Updated on 2025/09/30

写真a

 
KAMESHIMA Yoshikazu
 
Organization
Faculty of Environmental, Life, Natural Science and Technology Professor
Position
Professor
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Degree

  • 博士(工学) ( 東京工業大学 )

Research Areas

  • Environmental Science/Agriculture Science / Environmental materials and recycle technology

  • Nanotechnology/Materials / Inorganic materials and properties

  • Nanotechnology/Materials / Inorganic compounds and inorganic materials chemistry

  • Environmental Science/Agriculture Science / Environmental load reduction and remediation

Education

  • Tokyo Institute of Technology    

    - 1993

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  • Tokyo Institute of Technology   理工学研究科   無機材料工学専攻

    - 1993

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    Country: Japan

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  • Tokyo Institute of Technology   工学部   無機材料工学科

    - 1992

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    Country: Japan

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  • Tokyo Institute of Technology    

    - 1992

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Professional Memberships

Committee Memberships

  • 2024年日本化学会中国四国支部大会(岡山大会)実行委員会   実行委員  

    2024.4 - 2025.1   

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    Committee type:Academic society

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  • 無機マテリアル学会   常任理事(西部支部長)  

    2023.6   

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  • 日本化学会中国四国支部   会計監査  

    2023.4   

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  • 日本粘土学会   常務委員(渉外)  

    2022.9   

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  • 日本セラミックス協会中国四国支部   理事  

    2015.4   

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Papers

  • Adaptation of Ni0.6Cu0.4Ce0.9Gd0.1O1.95 cermet anodes for intermediate temperature solid oxide fuel cells to actual biogas fuel containing trace amounts of H2S Effects of catalyst amount and fuel supply rate Reviewed

    Ryouma Suzuki, Taisei Sakai, Shunsuke Nishimoto, Michihiro Miyake, Yoshikazu Kameshima, Tamano Yonezawa, Makoto Shiraishi, Anna Nagai, Motohide Matsuda

    Journal of the Ceramic Society of Japan   132 ( 6 )   280 - 285   2024.6

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Ceramic Society of Japan  

    DOI: 10.2109/jcersj2.23193

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  • Fabrication of high performance Pr4Ni3O10 cathode based upon magnetic orientation behavior for intermediate-temperature solid oxide fuel cell Reviewed

    Yuta Miyamoto, Anna Nagai, Shunsuke Nishimoto, Michihiro Miyake, Yoshikazu Kameshima, Motohide Matsuda

    Materials Letters   349   134731 - 134731   2023.10

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    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.matlet.2023.134731

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  • Ni1-xCux/Ce0.9Gd0.1O1.95 cermet anodes for intermediate-temperature solid oxide fuel cells fueled with simulated biogas; their electrochemical performance and ability to inhibit carbon deposition Reviewed

    Ryouma Suzuki, Shunsuke Nishimoto, Michihiro Miyake, Yoshikazu Kameshima, Anna Nagai, Motohide Matsuda

    Journal of the Ceramic Society of Japan   131 ( 7 )   324 - 329   2023.7

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    DOI: 10.2109/jcersj2.23058

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  • Underwater superoleophobicity of Nb2O5 photocatalyst surface Reviewed

    Shunsuke Nishimoto, Takahiro Takiguchi, Yoshikazu Kameshima, Michihiro Miyake

    CHEMICAL PHYSICS LETTERS   726   34 - 38   2019.4

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    DOI: 10.1016/j.cplett.2019.04.031

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  • Underwater wettability of oleic acid on TiO2 photocatalyst surface Reviewed

    Daisuke Yabumoto, Misaki Ota, Yusuke Sawai, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake, Eiji Fujii, Ken-ichi Katsumata

    Colloids and Surfaces A: Physicochemical and Engineering Aspects   548   32 - 36   2018.7

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    DOI: 10.1016/j.colsurfa.2018.03.061

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  • Electrochemical performance of Ni0.8Cu0.2/Ce0.8Gd0.2O1.9 cermet anodes with functionally graded structures for intermediate-temperature solid oxide fuel cell fueled with syngas Reviewed

    Michihiro Miyake, Makoto Iwami, Mizue Takeuchi, Shunsuke Nishimoto, Yoshikazu Kameshima

    Journal of Power Sources   390   181 - 185   2018.6

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    DOI: 10.1016/j.jpowsour.2018.04.051

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  • Preparation of carbon-modified NTiO2/ montmorillonite composite with high photocatalytic activity under visible light radiation Reviewed

    Jiannan Hsing, Yoshikazu Kameshima, Shunsuke Nishimoto, Michihiro Miyake

    Journal of the Ceramic Society of Japan   126 ( 4 )   230 - 235   2018.4

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:Ceramic Society of Japan  

    DOI: 10.2109/jcersj2.17235

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  • Performance of Ni0.8-xCu0.2Mx (M = Fe and Co) alloy-based cermet anodes for intermediate-temperature solid oxide fuel cells fueled with syngas Reviewed

    Michihiro Miyake, Sadaki Matsumoto, Shunsuke Nishimoto, Yoshikazu Kameshima

    Journal of the Ceramic Society of Japan   125 ( 11 )   833 - 836   2017.11

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    DOI: 10.2109/jcersj2.17110

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  • Intermediate-temperature solid oxide fuel cell employing reformed effective biogas: Power generation and inhibition of carbon deposition Reviewed

    Michihiro Miyake, Makoto Iwami, Kenta Goto, Kazuhito Iwamoto, Koki Morimoto, Makoto Shiraishi, Kenji Takatori, Mizue Takeuchi, Shunsuke Nishimoto, Yoshikazu Kameshima

    JOURNAL OF POWER SOURCES   340   319 - 324   2017.2

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.jpowsour.2016.11.080

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  • Electrochemical performances of Ni1-xCux/SDC cermet anodes for intermediate-temperature SOFCs using syngas fuel Reviewed

    Michihiro Miyake, Sadaki Matsumoto, Makoto Iwami, Shunsuke Nishimoto, Yoshikazu Kameshima

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   41 ( 31 )   13625 - 13631   2016.8

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    DOI: 10.1016/j.ijhydene.2016.05.070

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  • Hydrothermal Synthesis and Crystal Structure of Two New Cadmium Bismuthates, CdBi2O6 and Cd0.37Bi0.63O1.79 Reviewed

    N. Kumada, A. Miura, T. Takei, S. Nishimoto, Y. Kameshima, M. Miyake, Y. Kuroiwa, C. Moriyoshi

    J. Asian Ceram. Soc.   3   251 - 254   2015.9

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    DOI: 10.1016/j.jascer.2015.04.003

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  • Biogas reforming over BaTi(1-x)Sn(x)03-supported Ni-based catalysts recovered from spent Ni-metal-hydride batteries Reviewed

    Miyake Michihiro, Tomiyama Natsumi, Iwamoto Kazuhito, Nagase Kentaro, Nishimoto Shunsuke, Kameshima Yoshikazu

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   40 ( 26 )   8341 - 8346   2015.7

  • Separation of alcohol/water mixtures by ZSM-5 bulk bodies prepared with a one-pot hydrothermal method Reviewed

    Igi Eisaku, Kameshima Yoshikazu, Nishimoto Shunsuke, Miyake Michihiro

    MICROPOROUS AND MESOPOROUS MATERIALS   208   160 - 164   2015.5

  • Water treatment efficacy of various metal oxide semiconductors for photocatalytic ozonation under UV and visible light irradiation Reviewed

    Mano Takayuki, Nishimoto Shunsuke, Kameshima Yoshikazu, Miyake Michihiro

    CHEMICAL ENGINEERING JOURNAL   264   221 - 229   2015.3

  • Reversible Control of Underwater Oil Wettability of a Titanium Dioxide Surface through Ultraviolet and Ultrasonic Irradiation Reviewed

    Nishimoto Shunsuke, Mori Yuichi, Kameshima Yoshikazu, Miyake Michihiro

    CHEMISTRY LETTERS   44 ( 3 )   262 - 264   2015.3

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  • Underwater superoleophobicity of a robust rough titanium dioxide surface formed on titanium substrate by acid treatment Reviewed

    Nishimoto Shunsuke, Ota Misaki, Kameshima Yoshikazu, Miyake Michihiro

    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   464   33 - 40   2015.1

  • Hydroxyapatite prepared from cattle bones reduces availability of heavy metals in soil and uptake by komatsuna

    MISE Chiaki, KATAGIRI Tomoharu, NISHIMOTO Shunsuke, KAMESHIMA Yoshikazu, MIYAKE Michihiro

    Japanese Journal of Soil Science and Plant Nutrition   86 ( 1 )   1 - 7   2015

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    Language:Japanese   Publisher:Japanese Society of Soil Science and Plant Nutrition  

    Hydroxyapatite can immobilize heavy metals in soil and thereby prevent plant uptake. We investigated the effect of hydroxyapatite prepared from cattle bones on copper, zinc, cadmium, and lead in soil and concentrations in komatsuna (Brassica rapa L. var. peruviridis). It greatly decreased the concentrations of exchangeable forms of these metals in the soil and contents in the edible parts of komatsuna. Thus, cattle-derived hydroxyapatite can reduce the availability of heavy metals in soil.

    DOI: 10.20710/dojo.86.1_1

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    Other Link: http://agriknowledge.affrc.go.jp/RN/2010890970

  • 酸化物とシュウ酸を組み合わせた水中有機物の光分解 Reviewed

    Sayaka Yanagida, Yoshikazu Kameshima, Tomohiro Isobe, Akira Nakajima, Kiyoshi Okada

    Ceramics   49 ( 6 )   469 - 472   2014.6

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  • Self-cleaning efficiency of titanium dioxide surface under simultaneous UV irradiation of various intensities and water flow Reviewed

    Shunsuke Nishimoto, Sana Tomoishi, Yoshikazu Kameshima, Eiji Fujii, Michihiro Miyake

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   122 ( 1426 )   513 - 516   2014.6

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    DOI: 10.2109/jcersj2.122.513

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  • TiO2-based superhydrophobic-superhydrophilic pattern with an extremely high wettability contrast Reviewed

    Shunsuke Nishimoto, Michiaki Becchaku, Yoshikazu Kameshima, Yuki Shirosaki, Satoshi Hayakawa, Akiyoshi Osaka, Michihiro Miyake

    THIN SOLID FILMS   558   221 - 226   2014.5

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    DOI: 10.1016/j.tsf.2014.02.060

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  • Underwater Superoleophobicity of TiO2 Nanotube Arrays Reviewed

    Shunsuke Nishimoto, Yusuke Sawai, Yoshikazu Kameshima, Michihiro Miyake

    CHEMISTRY LETTERS   43 ( 4 )   518 - 520   2014.4

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    DOI: 10.1246/cl.131155

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  • Hydrothermal preparation of tobermorite from blast furnace slag for Cs+ and Sr2+ sorption Reviewed

    Takuma Tsutsumi, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    JOURNAL OF HAZARDOUS MATERIALS   266   174 - 181   2014.2

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    DOI: 10.1016/j.jhazmat.2013.12.024

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  • Preparation and catalytic property of zirconia-system composites consist of Zr-O material derived from zirconium oxy-acid salts Reviewed

    Yoshikazu Kameshima, Daichi Nanba, Shunsuke Nishimoto, Michihiro Miyake

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   122 ( 1421 )   44 - 48   2014.1

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    DOI: 10.2109/jcersj2.122.44

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  • INTERCALATION BEHAVIOR OF ACETYL-SALICYLIC ACID TO INTERLAYER OF HYDROTALCITE IN VARIOUS ORGANIC SOLVENTS Reviewed

    KAMESHIMA YOSHIKAZU, SHIMIZU TAKASHI, NISHIMOTO SHUNSUKE, MIYAKE MICHIHIRO

    Clay science   18 ( 3 )   63 - 70   2014

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    Language:English   Publisher:The Clay Science Society of Japan  

    Intercalation behavior of acetylsalicylic acid (ASA) to interlayer of hydrotalcite (HT) was investigated in various organic solvents to synthesize ASA/HT composite. ASA intercalation to the interlayer of HT did not occur in an aprotic solvent like acetone but occurred in a protic solvent like alcohols. In the case of alcohols used for solvent, the intercalation behavior was revealed to depend on the alcohol's type. In the primary alcohol (methanol, ethanol, 1-propanol, 1-butanol, and i-butanol), the acetylsalicylate ions were not intercalated, but the salicylate ions were intercalated into the interlayer of HT because of the complete decomposition of ASA in the solution. Since ASA decomposed partially in the secondary alcohol (2-propanol and 2-butanol), the both acetylsalicylate and salicylate ions were intercalated into the interlayer of HT. On the other hand, the decomposition of ASA was substantially restricted in the tertiary alcohol (tert-butanol) because of the stability of the tertiary alcohol. As a result, the acetylsalicylate ions were found to intercalate into the interlayer of HT over 80 mol% and ASA/HT composite was successfully obtained using tert-butanol as solvent.

    DOI: 10.11362/jcssjclayscience.18.3_63

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  • A5 銅ドープ酸化チタンゾル/粘土複合体による有害有機物分解挙動(口頭発表,一般講演)

    亀島 欣一, 〓 剣南, 西本 俊介, 三宅 通博

    粘土科学討論会発表論文抄録   58   38 - 39   2014

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    DOI: 10.11362/cssj2.58.0_38

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  • Hydrogen production by mechano-chemical reaction of Ti2O3 in water

    Miyuki Uno, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   38 ( 35 )   15049 - 15054   2013.11

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    DOI: 10.1016/j.ijhydene.2013.09.118

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  • Photoinduced Underwater Superoleophobicity of TiO2 Thin Films

    Yusuke Sawai, Shunsuke Nishimoto, Yoshikazu Kameshima, Eiji Fujii, Michihiro Miyake

    LANGMUIR   29 ( 23 )   6784 - 6789   2013.6

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    DOI: 10.1021/la401382g

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  • The effect of UV radiation on cinnamate/layered double hydroxide (LDH) composites

    Yoshikazu Kameshima, Aya Nakada, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   121 ( 1411 )   303 - 307   2013.3

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    DOI: 10.2109/jcersj2.121.303

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  • Preparation and solid acidity of zirconia-cluster/saponite composites Reviewed

    Yoshikazu Kameshima, Koji Kageyama, Yuuki Mizunuma, Takayuki Komatsu, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   121 ( 1409 )   49 - 53   2013.1

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    DOI: 10.2109/jcersj2.121.49

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  • 畜獣骨残さから分離した水酸アパタイトによる土壌中のカドミウムの形態変化

    三瀬千暁, 片桐伴治, 西本俊介, 亀島欣一, 三宅通博

    無機マテリアル学会誌   20   96 - 100   2013

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  • Synthesis of nickel nanoparticles with excellent thermal stability in micropores of zeolite

    Inokawa, Hitoshi, Maeda, Makoto, Nishimoto, Shunsuke, Kameshima, Yoshikazu, Miyake, Michihiro, Ichikawa, Takayuki, Kojima, Yoshitsugu, Miyaoka, Hiroki

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   38 ( 31 )   13579 - 13586   2013

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    DOI: 10.1016/j.ijhydene.2013.08.027

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  • B18 塩化金属塩/層状複水酸化物を利用したエタノール改質触媒(口頭発表,一般講演)

    亀島 欣一, 小橋 壮亮, 西本 俊介, 三宅 通博

    粘土科学討論会発表論文抄録   57   114 - 115   2013

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    DOI: 10.11362/cssj2.57.0_114

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  • Electrode properties of doped Pr2NiO4-based oxide cathode for intermediate-temperature SOFCs

    Takeshi Nomura, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   120 ( 1407 )   534 - 538   2012.11

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    DOI: 10.2109/jcersj2.120.534

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  • Fabrication of Large Porous ZSM-5 Bulk Bodies by a One-pot Hydrothermal Method

    Eisaku Igi, Yoshikazu Kameshima, Shunsuke Nishimoto, Michihiro Miyake

    CHEMISTRY LETTERS   41 ( 11 )   1414 - 1416   2012.11

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    DOI: 10.1246/cl.2012.1414

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  • Determination of carbonate ion contents in layered double hydroxides by FTIR spectrometry

    Toshiyuki Tanaka, Yoshikazu Kameshima, Shunsuke Nishimoto, Michihiro Miyake

    ANALYTICAL METHODS   4 ( 12 )   3925 - 3927   2012

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    DOI: 10.1039/c2ay25850a

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  • Porous ceramics mimicking nature-preparation and properties of microstructures with unidirectionally oriented pores

    Kiyoshi Okada, Toshihiro Isobe, Ken-ichi Katsumata, Yoshikazu Kameshima, Akira Nakajima, Kenneth J. D. MacKenzie

    SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   12 ( 6 )   2011.12

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  • Investigation of photocatalytic ozonation treatment of water over WO3 under visible light irradiation

    Takayuki Mano, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   119 ( 1395 )   822 - 827   2011.11

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    DOI: 10.2109/jcersj2.119.822

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  • Promotion of H-2 production from ethanol steam reforming by zeolite basicity

    Hitoshi Inokawa, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   36 ( 23 )   15195 - 15202   2011.11

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    DOI: 10.1016/j.ijhydene.2011.08.099

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  • Fabrication of layered double hydroxide/photoresponsive dendron nanocomposite multilayer film by electrostatic layer-by-layer assembly

    Toshiyuki Tanaka, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    MATERIALS LETTERS   65 ( 15-16 )   2315 - 2318   2011.8

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    DOI: 10.1016/j.matlet.2011.05.004

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  • Photocatalytic activities of various pentavalent bismuthates under visible light irradiation

    Takahiro Takei, Rie Haramoto, Qiang Dong, Nobuhiro Kumada, Yoshinori Yonesaki, Nobukazu Kinomura, Takayuki Mano, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake

    JOURNAL OF SOLID STATE CHEMISTRY   184 ( 8 )   2017 - 2022   2011.8

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    DOI: 10.1016/j.jssc.2011.06.004

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  • Removal Characteristics of Acid Clay and Na^+-exchanged Acid Clay for Ni^<2+>, Zn^<2+>, Cd^<2+>, Pb^<2+>

    JIN Sharula, KAMESHIMA Yoshikazu, NISHIMOTO Shunsuke, MIYAKE Michihiro

    Journal of the Society of Inorganic Materials,Japan   18 ( 353 )   196 - 200   2011.7

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  • Preparation and crystal structure of a new bismuth vanadate, Bi-3.33(VO4)(2)O-2

    N. Kumada, T. Takei, R. Haramoto, Y. Yonesaki, Q. Dong, N. Kinomura, S. Nishimoto, Y. Kameshima, M. Miyake

    MATERIALS RESEARCH BULLETIN   46 ( 6 )   962 - 965   2011.6

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    DOI: 10.1016/j.materresbull.2011.02.009

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  • Adsorption and photocatalytic properties of TiO2/mesoporous silica composites from two silica sources (acid-leached kaolinite and Si-alkoxide)

    K. Okada, A. Yoshizawa, Y. Kameshima, T. Isobe, A. Nakajima, K. J. D. Mackenzie

    JOURNAL OF POROUS MATERIALS   18 ( 3 )   345 - 354   2011.6

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    DOI: 10.1007/s10934-010-9384-2

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  • Temperature dependence of hydrogen adsorption properties of nickel-doped mesoporous silica

    Yoshifumi Yamamoto, Nozomi Nawa, Shunsuke Nishimoto, Yoshikazu Kameshima, Motohide Matsuda, Michihiro Miyake

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   36 ( 9 )   5739 - 5743   2011.5

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    DOI: 10.1016/j.ijhydene.2011.02.010

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  • Properties of La2-xPrxNiO4 cathode for intermediate-temperature solid oxide fuel cells

    Shunsuke Nishimoto, Sugurn Takahashi, Yoshikazu Kameshima, Motohide Matsuda, Michihiro Miyake

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   119 ( 1387 )   246 - 250   2011.3

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    DOI: 10.2109/jcersj2.119.246

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  • Ni2+ and H2PO4- uptake properties of compounds in the CaTiO3-CaFeO2.5 system

    Catalin Popa, Yoshikazu Kameshima, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    JOURNAL OF HAZARDOUS MATERIALS   185 ( 2-3 )   1390 - 1397   2011.1

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    DOI: 10.1016/j.jhazmat.2010.10.060

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  • Preparation and Delamination Behavior of Lactate/Layered Double Hydroxide (LDH) Composites Using Reconstruction Method

    K. Okudaira, Y. Kameshima, T. Isobe, A. Nakajima, K. Okada

    J. Jpn. Soc. Colour Mater.   84 ( 1 )   2 - 6   2011

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    The delamination behavior of a lactate/LDH composite prepared using the reconstruction method with a sodium lactate solution was investigated. The obtained composite showed that a strong peak around 2θ=11° that had been assigned as a basal reflection shifted slightly to lower angles: from 0.77 nm in starting LDH to 0.80 nm. This peak is assigned as a basal reflection of lactate-intercalated LDH (lactate/LDH). The interlayer distances of these diffractions were estimated about 0.32 nm, corresponding with the planate monomolecular state of lactate. Lactate contents of the obtained composites were 50–80 % against the anion exchange capacity of starting LDH, corresponding to increased concentrations of the reacted solutions. The XRD patterns of the gelated samples revealed no diffraction peak, but the XRD patterns of the casting sample after 80 °C drying exhibited diffraction peaks just as the as-received lactate/LDH composite did. The obtained lactate/LDH composite has new function of delamination and restacking. The obtained composite's delaminated size was 4–8 nm thick and 50–150 nm wide. Finally, the obtained lactate/LDH composite showed reversible delamination and smectite-like restacking functions.

    DOI: 10.4011/shikizai.84.2

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  • B1 種々の溶媒下でのアセチルサリチル酸のハイドロタルサイトへの層間導入(口頭発表,一般講演)

    亀島 欣一, 清水 貴史, 西本 俊介, 三宅 通博

    粘土科学討論会発表論文抄録   55   84 - 85   2011

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    DOI: 10.11362/cssj2.55.0_84

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  • P54 ハイドロタルサイトへの金属塩化物の導入と触媒前駆体への展開(ポスター発表,一般講演)

    神崎 拓也, 亀島 欣一, 西本 俊介, 三宅 通博

    粘土科学討論会発表論文抄録   55   260 - 261   2011

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    DOI: 10.11362/cssj2.55.0_260

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  • Sliding Behavior of Water Droplets on Smooth Hydrophobic Fluoroalkylsilane Coatings with Different Surface Coverage Ratio

    SUZUKI Shunsuke, SAKAI Munetoshi, YOSHIDA Naoya, HASHIMOTO Ayako, KAMESHIMA Yoshikazu, OKADA Kiyoshi, NAKAJIMA Akira

    The Pigments,Paints and Printing Inks   83 ( 12 )   499 - 504   2010.12

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    Smooth fluoroalkylsilane (FAS17) coatings (Ra<0.2 nm) with different surface coverage ratios were prepared on a Si substrate by changing the deposition time. Then the internal fluidity of water droplets sliding on the coatings was evaluated using particle image velocimetry (PIV). The water droplets slid downward with acceleration by a caterpillar-like rotation with slippage on the solid-liquid interface. The sliding acceleration of the advancing contact line decreased concomitantly with the decreasing surface coverage ratio. However, the slipping/rolling ratio to the overall sliding acceleration was almost constant against surface coverage ratio. This result suggests that physical roughness and chemical composition contributed differently to slipping and rolling motions of the droplets.

    DOI: 10.4011/shikizai.83.499

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  • Photocatalytic water treatment over WO3 under visible light irradiation combined with ozonation Reviewed

    Nishimoto Shunsuke, Mano Takayuki, Kameshima Yoshikazu, Miyake Michihiro

    CHEMICAL PHYSICS LETTERS   500 ( 1-3 )   86 - 89   2010.11

  • Difference in the catalytic activity of transition metals and their cations loaded in zeolite Y for ethanol steam reforming Reviewed

    Inokawa Hitoshi, Nishimoto Shunsuke, Kameshima Yoshikazu, Miyake Michihiro

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   35 ( 21 )   11719 - 11724   2010.11

  • Characterization of Silicon Oxide Nanowires Prepared by Hydrothermal Treatment Using Slow Dissolution of Bulk Glass Source Materials Reviewed

    Kita Tomoyuki, Nishimoto Shunsuke, Kameshima Yoshikazu, Miyake Michihiro

    JOURNAL OF THE AMERICAN CERAMIC SOCIETY   93 ( 9 )   2427 - 2429   2010.9

  • Preparation and photocatalytic activity of [PWxMo12-xO40]3-/TiO2 hybrid film composites Reviewed

    Akira Nakajima, Tomohisa Koike, Sayaka Yanagida, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    Applied Catalysis A-GENERAL   385   130 - 135   2010.7

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  • Oleate-LDH Hybrids by the Successive Use of the Clay Structural "Memory Effect" Reviewed

    Gabriela Carja, Yoshikazu Kameshima, Gabriela Ciobanu, Kiyoshi Okada

    JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   10 ( 4 )   2880 - 2884   2010.4

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  • Preparation of heteropolyacid-intercalated layered double hydroxide Reviewed

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    Jounal of Ion Exchange   18 ( 4 )   270 - 275   2010.3

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  • Porous properties of mesoporous silicas from two silica sources (acid-leached kaolinite and Si-alkoxide) Reviewed

    K. Okada, H. Yoshizaki, Y. Kameshima, A. Nakajima, K. J. D. Mackenzie

    JOURNAL OF POROUS MATERIALS   17 ( 1 )   19 - 25   2010.2

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  • Various factors affecting photodecomposition of methylene blue by iron-oxides in an oxalate solution Reviewed

    Fahmida Gulshan, Sayaka Yanagida, Yoshikazu Kameshima, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    Water Research   44   2876 - 2884   2010.1

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  • AFM Interaction Study of Poly(ammomum acrylate) Adsorbed on a Si Surface in Aqueous KCl Solution Reviewed

    Isobe Toshihiro, Nakano Yosuke, Kameshima Yoshikazu, Okada Kiyoshi, Nakajima Akira

    Chemistry Letters   39 ( 12 )   1275 - 1276   2010

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    Interaction force between solid surfaces in aqueous solvent was investigated using scanning probe microscopy. Only short-range repulsive forces were observed in a poly(ammonium acrylate) (PAA) solution. Their range increased concomitantly with increase of the molecular weight of the PAA. In a PAA solution with 0.1–1 mM KCl, the PAA adsorbed onto the Si substrate. Furthermore, the interaction force was described by DLVO theory, and repulsive force is thought to originate from the steric hindrance of the PAA.

    DOI: 10.1246/cl.2010.1275

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  • Water vapor adsorption of CaCl2-impregnated activated carbon Reviewed

    Okada Kiyoshi, Nakanome Mad, Kameshima Yoshikazu, Isobe Toshihiro, Nakajima Akira

    Materials Research Bulletin   45 ( 11 )   1549 - 1553   2010

  • A novel nanocomposite material prepared by intercalating photoresponsive dendrimers into a layered double hydroxide Reviewed

    Tanaka Toshiyuki, Nishimoto Shunsuke, Kameshima Yoshikazu, Matsukawa Junpei, Fujita Yasuhiko, Takaguchi Yutaka, Matsuda Motohide, Miyake Michihiro

    Journal of Solid State Chemistry   183 ( 2 )   479 - 484   2010

  • Instrument for ceramic particle dispersion

    Toshihiro Isobe, Asami Ooyama, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    Powder Technology   200 ( 1-2 )   25 - 29   2010

  • Characteristics of microbubbles Generated by Porous Mullite Ceramics Prepared by an Extrusion Method Using Orgtanic Fibers as the Pore Former

    Koyoshi OKADA, Mai Shimizu, Toshihiro ISOBE, Yoshikazu KAMESHIMA, Munetoshi SAKAI, Akira NAKAJIMA, Taisuke KURATA

    J. Eur. Ceram. Soc.   30 ( 6 )   1245 - 1251   2010

  • Preparation and properties of negative thermal expansion Zr2WP2O12 ceramics

    Toshihiro Isobe, Takuya Umezome, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    MATERIALS RESEARCH BULLETIN   44 ( 11 )   2045 - 2049   2009.11

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  • Preparation of barium titanate nanocube particles by solvothermal method and their characterization

    Satoshi Wada, A. Nozawa, M. Ohno, H. Kakemoto, T. Tsurumi, Y. Kameshima, Y. Ohba

    JOURNAL OF MATERIALS SCIENCE   44 ( 19 )   5161 - 5166   2009.10

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  • Synthesis of composites of sodium oleate/Mg-Al-ascorbic acid-layered double hydroxides for drug delivery applications

    Yoshikazu Kameshima, Hirokazu Sasaki, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    INTERNATIONAL JOURNAL OF PHARMACEUTICS   381 ( 1 )   34 - 39   2009.10

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  • Preparation of alumina-iron oxide compounds by gel evaporation method and its simultaneous uptake properties for Ni2+, NH4+ and H2PO4-

    Fahmida Gulshan, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    JOURNAL OF HAZARDOUS MATERIALS   169 ( 1-3 )   697 - 702   2009.9

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  • Capillary rise properties of porous mullite ceramics prepared by an extrusion method using organic fibers as the pore former

    Kiyoshi Okada, Shuhei Uchiyama, Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima, Taisuke Kurata

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   29 ( 12 )   2491 - 2497   2009.9

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  • Effect of the SiO2/TiO2 ratio on the solid acidity of SiO2-TiO2/montmorillonite composites

    Yoshikazu Kameshima, Tomohisa Koike, Toshihiro Isobe, Akira Nakajima, Kiyoshi Okada

    MATERIALS RESEARCH BULLETIN   44 ( 9 )   1906 - 1909   2009.9

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  • Preparation and properties of Cu-grafted transparent TiO2-nanosheet thin films

    Akira Nakajima, Yoshinori Akiyama, Sayaka Yanagida, Tomohisa Koike, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    MATERIALS LETTERS   63 ( 20 )   1699 - 1701   2009.8

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  • Nanostructured assemblies of mesoporous matrices of layered double hydroxides - nanoparticles of iron oxides

    Gabriela Carja, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    Mesoporous Materials: Properties, Preparation and Applications   191 - 201   2009.1

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  • New hybrid nanostructures based on oxacillin-hydrotalcite-like anionic clays and their textural properties

    Gabriela Carja, Yoshizaku Kameshima, Gabriela Ciobanu, Horia Chiriac, Kiyoshi Okada

    MICRON   40 ( 1 )   147 - 150   2009.1

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  • Preparation and Abrasion Resistance of Transparent Super-hydrophobic Coating by Combining Crater-like Silica Films with Acicular Boehmite Powder

    Tomoki YANAGISAWA, Akira NAKAJIMA, Munetoshi SAKAI, Yoshikazu KAMESHIMA, Kiyoshi OKADA

    Catal. Commun.   10   1670 - 1673   2009

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  • Intercalation Behavior of Various Fatty Acids into Mg-Al-Layered Double Hydroxide

    Y. Kameshima, H. Sasaki, T. Isobe, A. Nakajima, K. Okada

    Clay Sci.   14 ( 2 )   87 - 94   2009

  • Mass Dependence of Rolling/Slipping Ratio in Sliding Acceleration of Water Droplets on a Smooth Fluoroalkylsilane Coating

    SUZUKI Shunsuke, NAKAJIMA Akira, SAKURADA Yuu, SAKAI Munetoshi, YOSHIDA Naoya, HASHIMOTO Ayako, KAMESHIMA Yoshikazu, OKADA Kiyoshi

    82 ( 1 )   3 - 8   2009

  • Size dependence of THz region dielectric properties for barium titanate fine particles

    Satoshi Wada, Hiroaki Yasuno, Takuya Hoshina, Hirofumi Kakemoto, Yoshikazu Kameshima, Takaaki Tsurumi

    JOURNAL OF ELECTROCERAMICS   21 ( 1-4 )   198 - 201   2008.12

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  • Rolling and slipping motion of a water droplet sandwiched between two parallel plates coated with fluoroalkylsilanes

    Shunsuke Suzuki, Akira Nakajima, Munetoshi Sakai, Ayako Hashimoto, Naoya Yoshida, Yoshikazu Kameshima, Kiyoshi Okada

    APPLIED SURFACE SCIENCE   255 ( 5 )   3414 - 3420   2008.12

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    DOI: 10.1016/j.apsusc.2008.09.059

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  • Nanoparticles of iron and vanadium oxides supported on iron substituted LDHs: Synthesis, textural characterization and their catalytic behavior in ethylbenzene dehydrogenation

    Gabriela Carja, Yoshikazu Kameshima, Kiyoshi Okada

    MICROPOROUS AND MESOPOROUS MATERIALS   115 ( 3 )   541 - 547   2008.11

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    DOI: 10.1016/j.micromeso.2008.02.032

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  • LDH-maleic anhydride copolymers as new hybrid materials and their textural organisation

    Gabriela Carja, Gabrielle Charlote Chitanu, Yoshikazu Kameshima, Horia Chiriac, Kiyoshi Okada

    APPLIED CLAY SCIENCE   41 ( 3-4 )   107 - 112   2008.10

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    DOI: 10.1016/j.clay.2007.10.002

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  • Image analysis system for evaluating sliding behavior of a liquid droplet on a hydrophobic surface

    Munetoshi Sakai, Ayako Hashimoto, Naoya Yoshida, Shunsuke Suzuki, Yoshikazu Kameshima, Akira Nakajima

    REVIEW OF SCIENTIFIC INSTRUMENTS   78 ( 4 )   045103   2007.4

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    DOI: 10.1063/1.2716005

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  • Simultaneous uptake of ammonium and phosphate ions by compounds prepared from paper sludge ash

    Kiyoshi Okada, Yosuke Ono, Yoshikazu Kameshima, Akira Nakajima, Kenneth J. D. MacKenzie

    JOURNAL OF HAZARDOUS MATERIALS   141 ( 3 )   622 - 629   2007.3

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  • Effect of TiO(0)2 powder addition on sonochemical destruction of 1,4-dioxane in aqueous systems

    Akira Nakajima, Hirokazu Sasaki, Yoshikazu Kameshima, Kiyoshi Okada, Hisashi Harada

    ULTRASONICS SONOCHEMISTRY   14 ( 2 )   197 - 200   2007.2

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    DOI: 10.1016/j.ultsonch.2006.06.001

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  • The textural properties of iron substituted hydrotalcites obtained in a tailored aqueous-organic synthesis medium

    Gabriela Carja, Hiromi Obata, Yoshikazu Kameshima, Kiyoshi Okada

    MICROPOROUS AND MESOPOROUS MATERIALS   98 ( 1-3 )   150 - 155   2007.1

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  • Simultaneous uptake of Ni2+, NH4+ and PO43- by amorphous CaO-Al2O3-SiO2 compounds

    Kiyoshi Okada, Megumi Shimazu, Yoshikazu Kameshima, Akira Nakajima, Kenneth J. D. MacKenzie

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   305 ( 2 )   229 - 238   2007.1

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  • Effects of vacuum ultraviolet light illumination on the residual stress in sol-gel-derived titanium dioxide films

    Naoki Arimitsu, Akira Nakajima, Keisuke Saito, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMISTRY LETTERS   36 ( 1 )   106 - 107   2007.1

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    DOI: 10.1246/cl.2007.106

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  • Deformation and motion by gravity and magnetic field of a droplet of water-based magnetic fluid on a hydrophobic surface

    Hiroko Asakura, Akira Nakajima, Munetoshi Sakai, Shunsuke Suzuki, Yoshikazu Kameshima, Kiyoshi Okada

    APPLIED SURFACE SCIENCE   253 ( 6 )   3098 - 3102   2007.1

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    DOI: 10.1016/j.apsusc.2006.06.062

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  • Preparation and properties of porous alumina ceramics with uni-directionally oriented pores by extrusion method using a plastic substance as a pore former

    Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    Journal of the European Ceramic Society   27 ( 1 )   61 - 66   2007

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    DOI: 10.1016/j.jeurceramsoc.2006.05.079

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  • 高揚水レンコン型多孔質セラミックス材料の作製とその蒸発冷却効果

    岡田 清, 亀島欣一, 中島 章, chengala D. MADHUSOODANA

    日本ヒートアイランド学会論文集   2 ( 2 )   1 - 5   2007

  • Preparation of barium titanate nanocube particles by solvothermal method and their characterization Reviewed

    S. Wada, M. Ohno, T. Hoshina, Y. Kameshima, Y. Ohba, H. Kakemoto, T. Tsurumi

    2007 SIXTEENTH IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS, VOLS 1 AND 2   528 - +   2007

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    DOI: 10.1109/ISAF.2007.4393320

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  • Processing of W-based Heteropolyacid-LDH Composites

    S. Yanagida, A. Nakajima, Y. Kameshima, K. Okada

    J. Ion Exchange   18 ( 4 )   270 - 275   2007

  • Preparation of Lotus-type Porous Ceramics with High Water Pump-up Ability and Its Cooling Effect by Water Vapor Evaporation

    K. Okada, Y. Kameshima, A. Nakajima, C. D. Madhusoodana

    J. Heat Island Inst. Int.   2   1 - 5   2007

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  • Glass-ceramics prepared from sludge generated by a water purification plant

    Tomohiro Toya, Aiko Nakamura, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    CERAMICS INTERNATIONAL   33 ( 4 )   573 - 577   2007

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    DOI: 10.1016/j.ceramint.2005.11.009

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  • Gas permeability and mechanical properties of porous alumina ceramics with unidirectionally aligned pores

    Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada, Yuji Hotta

    Journal of the European Ceramic Society   27 ( 1 )   53 - 59   2007

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    DOI: 10.1016/j.jeurceramsoc.2006.02.030

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  • Sliding behavior of water droplets sandwiched between hydrophobic surfaces

    Shunsuke Suzuki, Akira Nakajima, Munetoshi Sakai, Ayako Hashimoto, Naoya Yoshida, Yoshikazu Kameshima, Kiyoshi Okada

    Proceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007   1637 - 1639   2007

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  • Effect of applying voltage on photocatalytic destruction of 1.4-dioxane in aqueous system

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    CATALYSIS COMMUNICATIONS   7 ( 12 )   1042 - 1046   2006.12

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    DOI: 10.1016/j.catcom.2006.05.016

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  • Effects of vacuum ultraviolet light illumination and seeding on crystallization of sol-gel-derived titanium dioxide precursor films using plasma treatment

    Naoki Arimitsu, Akira Nakajima, Yoshikazu Kameshima, Yuko Shibayama, Hisashi Ohsaki, Kiyoshi Okada

    SURFACE & COATINGS TECHNOLOGY   201 ( 6 )   3038 - 3043   2006.12

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    DOI: 10.1016/j.surfcoat.2006.06.014

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  • Effect of dispersant on paste rheology in preparation of porous alumina with oriented pores by extrusion method

    Toshihiro Isobe, Yoshikazu Karneshima, Akira Nakajima, Kiyoshi Okada, Yuji Hotta

    JOURNAL OF POROUS MATERIALS   13 ( 3-4 )   269 - 273   2006.10

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    DOI: 10.1007/s10934-006-8015-4

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  • Preparation and sorption properties of porous materials from refuse paper and plastic fuel (RPF)

    Z. Kadirova, Y. Kameshima, A. Nakajima, K. Okada

    JOURNAL OF HAZARDOUS MATERIALS   137 ( 1 )   352 - 358   2006.9

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    DOI: 10.1016/j.jhazmat.2006.02.008

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  • Effect of grinding and heating on Ni2+ uptake properties of waste paper sludge

    Vinay Kumar Jha, Yoshikazu Kameshima, Akira Nakajima, Kivoshi Okada, Kenneth J. D. MacKenzie

    JOURNAL OF ENVIRONMENTAL MANAGEMENT   80 ( 4 )   363 - 371   2006.9

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    DOI: 10.1016/j.jenvman.2005.09.014

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  • Zeolite coating on foamed stainless steel by in-situ crystallization method

    H. Asakura, C. D. Madhusoodana, Y. Kameshima, A. Nakajima, K. Okada

    JOURNAL OF ELECTROCERAMICS   17 ( 1 )   31 - 36   2006.9

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  • Relationship between sliding acceleration of water droplets and dynamic contact angles on hydrophobic surfaces

    Munetoshi Sakai, Jeong-Hwan Song, Naoya Yoshida, Shunsuke Suzuki, Yoshikazu Kameshima, Akira Nakajima

    SURFACE SCIENCE   600 ( 16 )   L204 - L208   2006.8

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    DOI: 10.1016/j.susc.2006.06.039

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  • Dynamic hydrophobicity of water droplets on the line-patterned hydrophobic surfaces

    J. -H. Song, M. Sakai, N. Yoshida, S. Suzuki, Y. Kameshima, A. Nakajima

    SURFACE SCIENCE   600 ( 13 )   2711 - 2717   2006.7

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    DOI: 10.1016/j.susc.2006.04.044

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  • Preparation of sodium oleate/layered double hydroxide composites with acid-resistant properties

    Y Kameshima, H Yoshizaki, A Nakajima, K Okada

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   298 ( 2 )   624 - 628   2006.6

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    DOI: 10.1016/j.jcis.2006.01.033

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  • Photoinduced surface roughness variation in polycrystalline TiO2 thin films

    Ken-ichi Katsumata, Akira Nakajima, Tadashi Shiota, Naoya Yoshida, Toshiya Watanabe, Yoshikazu Kameshima, Kiyoshi Okada

    Journal of Photochemistry and Photobiology A: Chemistry   180 ( 1-2 )   75 - 79   2006.5

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    DOI: 10.1016/j.jphotochem.2005.09.023

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  • Sliding acceleration of water droplets on a surface coated with fluoroalkylsilane and octadecyltrimethoxysilane

    S Suzuki, A Nakajima, M Sakai, JH Song, N Yoshida, Y Kameshima, K Okada

    SURFACE SCIENCE   600 ( 10 )   2214 - 2219   2006.5

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    DOI: 10.1016/j.susc.2006.03.015

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  • Direct observation of internal fluidity in a water droplet during sliding on hydrophobic surfaces

    M Sakai, JH Song, N Yoshida, S Suzuki, Y Kameshima, A Nakajima

    LANGMUIR   22 ( 11 )   4906 - 4909   2006.5

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    DOI: 10.1021/la060323u

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  • Synthesis of high surface area Al-containing mesoporous silica from calcined and acid leached kaolinites as the precursors

    Chengala D. Madhusoodana, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada, Toshihiro Kogure, Kenneth J. D. MacKenzie

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   297 ( 2 )   724 - 731   2006.5

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  • Solid acidity of 2 : 1 type clay minerals activated by selective leaching

    K Okada, N Arimitsu, Y Karneshima, A Nakajima, KJD MacKenzie

    APPLIED CLAY SCIENCE   31 ( 3-4 )   185 - 193   2006.3

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    DOI: 10.1016/j.clay.2005.10.014

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  • Microwave-assisted hydrothermal synthesis of zeolite films on ceramic supports

    CD Madhusoodana, RN Das, Y Kameshima, K Okada

    JOURNAL OF MATERIALS SCIENCE   41 ( 5 )   1481 - 1487   2006.3

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    DOI: 10.1007/s10853-006-7490-y

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  • Preparation and properties of titania-apatite hybrid films

    A Nakajima, K Takakuwa, Y Kameshima, M Hagiwara, S Sato, Y Yamamoto, N Yoshida, T Watanabe, K Okada

    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY   177 ( 1 )   94 - 99   2006.1

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    DOI: 10.1016/j.jphotochem.2005.05.019

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  • A9 Effect of TiO_2 Powder Addition on Sonochemical Destruction of 1,4-dioxane in Aqueous Systems

    Sasaki H., Nakajima A., Kameshima Y., Okada K.

    Proceedings of the Annual Meeting of the Japan Society of Sonochemistry   15   19 - 20   2006

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    Effects of TiO_2 powder addition on sonochemical destruction of 1,4-dioxane in water were investigated through comparison of SiO_2 powders with similar specific surface area. Addition of TiO_2 is more effective for decomposition of 1,4-dioxane in water than is SiO_2. Contribution of photocatalytic destruction through sonoluminescence is not a dominant mechanism to for the acceleration of sonochemical reactions by adding TiO_2. Regarding sonication of TiO_2-added water in the current case, thermally excited holes will be generated. Intrinsic oxygen vacancies in TiO_2 surface will also play an important role for high decomposition efficiency by producing cavitations. Both ultrasonication energy consumed in water and destruction efficiency of 1,4-dioxane were increased by the addition of reduced TiO_2 powder.

    DOI: 10.20577/pamjss.15.0_19

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  • Extrusion method using nylon 66 fibers for the preparation of porous alumina ceramics with oriented pores

    T Isobe, Y Kameshima, A Nakajima, K Okada, Y Hotta

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   26 ( 12 )   2213 - 2217   2006

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    DOI: 10.1016/j.jeuceramsoc.2005.04.014

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  • THz region dielectric properties of barium titanate fine particles using infrared reflection method

    S Wada, H Yasuno, T Hoshina, H Kakemoto, Y Kameshima, T Tsurumi, T Shimada

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   26 ( 10-11 )   1807 - 1810   2006

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    DOI: 10.1016/j.jeurceramsoc.2005.09.091

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  • Biocompatibility of CaSiO3/high-density polyethylene composites prepared by hot-pressing

    M Tanuma, Y Kameshima, A Nakajima, K Okada, S Asai, M Sumita

    BIOCERAMICS 18, PTS 1 AND 2   309-311   1161 - 1164   2006

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  • Preparation and Properties of Porous Alumina Ceramics with Oriented Pores

    T. Isobe, Y. Kameshima, A. Nakajima, K. Okada

    Key Eng. Mater.   2006

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  • Preparation of ceramic honeycomb filter supported zeolite membrane modules by microwave-assisted in-situ crystallization

    C. D. Madhusoodana, R. N. Das, Y. Kameshima, K. Okada

    SCIENCE OF ENGINEERING CERAMICS III   317-318   697 - 700   2006

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  • Preparation and properties of porous alumina ceramics with oriented cylindrical pores produced by an extrusion method

    T Isobe, T Tomita, Y Kameshima, A Nakajima, K Okada

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   26 ( 6 )   957 - 960   2006

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    DOI: 10.1016/j.jeurceramsoc.2004.11.015

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  • Preparation and properties of glass-ceramics from kaolin clay refining waste (Kira) and paper sludge ash

    Tomohiro Toya, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    CERAMICS INTERNATIONAL   32 ( 7 )   789 - 796   2006

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    DOI: 10.1016/j.ceramint.2005.06.008

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  • Multi functional uptake behaviour of materials prepared by calcining waste paper sludge

    VK Jha, Y Kameshima, A Nakajima, K Okada, KJD MacKenzie

    JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING   41 ( 4 )   703 - 719   2006

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    DOI: 10.1080/10934520600575101

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  • Preparation of ZSM-5 zeolite honeycomb monoliths using microporous silica obtained from metakaolinite Reviewed

    CD Madhusoodana, RN Das, Y Kameshima, K Okada

    JOURNAL OF POROUS MATERIALS   12 ( 4 )   273 - 280   2005.10

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    DOI: 10.1007/s10934-005-3125-y

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  • Preparation of a crack-free rough titania coating on stainless steel mesh by electrophoretic deposition Reviewed

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    Materials Research Bulletin   40   1135 - 1344   2005.4

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  • Effect of vacuum ultraviolet light illumination on the crystallization of sol-gel-derived titanium dioxide precursor films Reviewed

    A Nakajima, N Hayashi, Y Taniguchi, Y Kameshima, K Okada

    SURFACE & COATINGS TECHNOLOGY   192 ( 1 )   112 - 116   2005.3

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    DOI: 10.1016/j.surfcoat.2004.04.034

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  • Comparative study of apatite formation on CaSiO3 ceramics in simulated body fluids with different carbonate concentrations Reviewed

    Y Iimori, Y Kameshima, K Okada, S Hayashi

    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE   16 ( 1 )   73 - 79   2005.1

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  • Effect of Roughness on Lipophobicity of a Surface Prepared Using Boehmite Nanoparticles and Fluoroalkylsilane

    NAKAJIMA Akira, HOSHINO Mitsuhiro, SONG Jeong-Hwan, KAMESHIMA Yoshikazu, OKADA Kiyoshi

    Chem. Lett.   34 ( 7 )   908 - 909   2005

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  • Reaction of Phosphate Compounds with A High-Silica Allophane

    K. Okada, K. Nishimuta, Y. Kameshima, A. Nakajima, K. J, D. MacKenzie

    Clays and Clay Minerals.   53 ( 4 )   372 - 379   2005

  • Effect on uptake heavy metal ions by phosphate grafting of allophone

    OKADA K.

    Journal of Colloid and Interface Science   286 ( 2 )   447 - 454   2005

  • Preparation and Properties of Carbon/Zeolite Composites with Corrugated Structure

    K. Okada, Y. Shimizu, Y. Kameshima, A. Nakajima

    J. Porus Mat.   12 ( 4 )   281 - 291   2005

  • Uptake properties of Ni2+ by nCaOAl2O32SiO2 (n=1-4) prepared from solid-state reaction of kaolinite and calcite

    V. K. Jha, Y. Kameshima, A. Nakajima, K. Okada, K. J, D. MacKenzie

    Journal of Hazardous Materials   123 ( 1-3 )   281 - 287   2005

  • Photocatalytic Destruction of Gaseous Toluene by Sulfated TiO_2 Powder

    NAKAJIMA A.

    Catal. Commun.   6 ( 11 )   716 - 720   2005

  • Preparation of Porous Silica from Chlorite by Selective Leaching

    K. OKADA, N. ARIMITSU, Y. KAMESHIMA, A. NAKAJIMA, K. J, D. MACKENZIE

    Applied clay science   30 ( 2 )   116 - 124   2005

  • Preparation and Characterization of TiO2 Thin Films Using Vacuum Ultraviolet Light in a Sol-Gel Process

    Ken-ichi Katsumata, Akira Nakajima, Naoya Yoshida, Toshiya Watanabe, Yoshikazu Kameshima, Kiyoshi Okada

    Surface Science   596 ( 1-3 )   197 - 205   2005

  • Effect of Microstructure on Photoinduced Hydrophilicity of Transparent Anatase Thin Films

    Ken-ichi Katsumata, Akira Nakajima, Hidemi Yoshikawa, Tadashi Shiota, Naoya Yoshida, Toshiya Watanabe, Yoshikazu Kameshima, Kiyoshi Okada

    Surface Science   579 ( 2/3 )   123 - 130   2005

  • Ni(2+) uptake by amorphous and crystalline Ca(2)Al(2)SiO(7) synthesized by solid-state reaction of kaolinite Reviewed

    VK Jha, Y Kameshima, K Okada, KJD Mackenzie

    SEPARATION AND PURIFICATION TECHNOLOGY   40 ( 2 )   209 - 215   2004.12

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    DOI: 10.1016/j.seppur.2004.02.010

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  • Low temperature synthesis of AlN by addition of various Li-salts Reviewed

    Y Kameshima, M Irie, A Yasumori, K Okada

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   24 ( 15-16 )   3801 - 3806   2004.12

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    DOI: 10.1016/j.jeurceramsoc.2003.12.028

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  • Effect of Solid/Solution Ratio on Apatite Formation from CaSiO3 Ceramics in Simulated Body Fluid Reviewed

    Yusuke Iimori, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    J. MATERIALS SCIENCE-MATERIALS IN MEDICINE   15 ( 11 )   1247 - 1253   2004.11

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  • Crystallization Behavior of CaO-Al2O3-SiO2 Glass-Ceramics Prepared from Wastes of Glass and Clay Raw Materials(Kira) Reviewed

    Tomohiko Toya, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    KEY ENGINEERING MATERIALS   264-268   1843 - 1846   2004.8

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  • Comparative Study of Apatite Formation on CaSiO3 Ceramics Prepared by Glass Crystallizatio and Sintering Methods in Simulate Body Fluid Reviewed

    Yusuke Iimori, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    KEY ENGINEERING MATERIALS   264-268   1965 - 1968   2004.8

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  • Mechanochemical effect on low temperature synthesis of AlN by direct nitridation method Reviewed

    Y Kameshima, M Irie, A Yasumori, K Okada

    SOLID STATE IONICS   172 ( 1-4 )   185 - 190   2004.8

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    DOI: 10.1016/j.ssi.2004.05.015

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  • Preparation of zeolite-coated cordierite honeycombs prepared by an in situ crystallization method Reviewed

    K Okada, Y Kameshima, CD Madhusoodana, RN Das

    SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   5 ( 4 )   479 - 484   2004.7

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    DOI: 10.1016/j.stam.2004.03.001

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  • Preparation and Properties of Glass-Ceramics from Wastes (Kira) of Silica Sand and Kaolin Clay Refining Reviewed

    Tomohiko Toya, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   24 ( 8 )   2367 - 2372   2004.7

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  • Preparation of Phase-Separated Textures and Crystalline Phases from Two-Liquid Immiscible Melts in the Ti02-Si02 System Reviewed

    Ken-ichi Katsumata, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    MATERIALS RESEARCH BULLETIN   39 ( 7-8 )   1131 - 1139   2004.6

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  • Preparation and properties of CaO-MgO-Al2O3-SiO2 glass-ceramics from kaolin clay refining waste (Kira) and dolomite Reviewed

    T Toya, Y Tamura, Y Kameshima, K Okada

    CERAMICS INTERNATIONAL   30 ( 6 )   983 - 989   2004

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    DOI: 10.1016/j.ceramint.2003.11.005

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  • Sorption properties of activated carbon derived from used paper and of amorphous 2CaO Al(2)O(3)2SiO(2) from paper sludge ash Reviewed

    K Okada, VK Jha, Y Kameshima, A Nakajima, KJD MacKenzie

    WASTE MANAGEMENT IN JAPAN   51 - 60   2004

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  • Properties of glass-ceramics prepared from Kira (waste by-products of silica sand and kaolin clay refining) and various additives Reviewed

    K Okada, T Toya, Y Kameshima, A Nakajima

    WASTE MANAGEMENT IN JAPAN   11 - 19   2004

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  • Sonophotocatalytic Destruction of 1,4-Dioxane in Aqueous Systems by HF-treated TiO2 powder

    A. Nakajima, M. Tanaka, Y. Kameshima, K. Okada

    J. Photochem. Photobiol. A   167 ( 2/3 )   75 - 79   2004

  • Alumina Coating on Stainless Steel Wire Net by Electrophoretic Deposition and its Oxidation Resistance

    F. Hasegawa, Y. Kameshima, A. Nakajima, K. Okada

    Trans. Mater. Res. Soc. Jpn.   29 ( 5 )   2265 - 2268   2004

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  • Elongation and Contraction of Water Droplet during Sliding on the Silicon Surface Treated by Fluoroalkylsilane

    S. Suzuki, Y. Kameshima, A. Nakajima, K. Okada

    Surf. Sci.   557 ( 1/3 )   L163 - L168   2004

  • Hazardous ions uptake behavior of thermally activated steel-making slag

    JHA V. K.

    J. Hazard. Mater.   114 ( 1-3 )   139 - 144   2004

  • Effects of grinding and firing conditions on CaAl(2)Si(2)O(8) phase formation by solid-state reaction of kaolinite with CaCO(3) Reviewed

    K Okada, N Watanabe, KV Jha, Y Kameshima, A Yasumori, KJD MacKenzie

    APPLIED CLAY SCIENCE   23 ( 5-6 )   329 - 336   2003.10

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    DOI: 10.1016/S0169-1317(03)00132-7

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  • Uptake of Various Cations by Amorphous BaAl2Si2Oδ Prepared by Solid-State Reaction of Kaolin with BaCO3 Reviewed

    Kiyoshi Okada, Hiroyuki Arai, Yoshikazu Kameshima, Atsuo Yasumori, Kenneth, J.D Mackenzie

    MATERIALS LETTERS   57   3554 - 3559   2003.7

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  • Crystallization Kinetics of Mullite from Polymeric Al2O3–SiO2 Xerogels Reviewed

    K. Okada, J. Kaneda, Y. Kameshima, A. Yasumori, T. Takei

    Mater. Lett.   57   3155 - 3159   2003.6

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  • Porous properties of activated carbons from waste newspaper prepared by chemical and physical activation Reviewed

    K Okada, N Yamamoto, Y Kameshima, A Yasumori

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   262 ( 1 )   179 - 193   2003.6

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    DOI: 10.1016/S0021-9797(03)00107-3

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  • Mechanochemical processing of sialon compositions Reviewed

    KJD MacKenzie, J Temuujin, ME Smith, K Okada, Y Kameshima

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   23 ( 7 )   1069 - 1082   2003.6

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  • Simultaneous uptake of ammonium and phosphate ions by composites of gamma-alumina/potassium aluminosilicate gel Reviewed

    K Okada, J Temuujin, Y Kameshima, KJD MacKenzie

    MATERIALS RESEARCH BULLETIN   38 ( 5 )   749 - 756   2003.4

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    DOI: 10.1016/S0025-5408(03)00064-3

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  • Preparation of Fiber-reinforced Binderless Zeolite Disks in Solid State Reviewed

    C. D. Madhusoodana, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi,Okada

    JOURNAL OF MATERIALS SCIENCE LETTERS   22   553 - 556   2003.4

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  • Uptake of various cations by amorphous CaAl2Si2O8 Prepared by solid - state reaction of kaolinite with CaCO3 Reviewed

    Nagisa Watanabe, Vinay K.Jha, Yoshikazu Kameshima, Atsuo Yasumori, Kemeth J.D Mackenzie

    JOURNAL OF MATERIALS CHEMISTRY   13 ( 3 )   550 - 556   2003.3

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  • Adsorption Properties of Activated Carbon from Waste Newspaper Prepared by Chemical and Physical Activation Reviewed

    Kiyoshi Okada, Nobuo Yamamoto, Yoshikazu Kameshima, Atsuo Yasumori

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   262   194 - 199   2003.1

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  • Electrophoretic Deposition of Alumina on Stainless Steel Wire Net Reviewed

    Kiyoshi Okada, Fumikazu Hasegawa, Yoshikazu Kameshima, Atsuo Yasumori, Kiyoshi Okada

    Trans. Mat. Res. Soc. Jpn.   28 ( 2 )   361 - 364   2003

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  • Effect of Crystallite Size of Boehmite on Sinterability of Alumina Ceramics Reviewed

    Kiyoshi Okada, Toru Nagashima, Yoshikazu Kameshima, Atsuo Yasumori

    CERAMICS INTERNATIONAL   29   533 - 537   2003

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  • Sliding Mode Transition of Water Droplet on the Silicon Surface Coated with Octadecyltrichlorosilane

    NAKAJIMA Akira, SUZUKI Shunsuke, KAMESHIMA Yoshikazu, YOSHIDA Naoya, WATANABE Toshiya, OKADA Kiyoshi

    Chem. Lett.   32 ( 12 )   1148 - 1149   2003

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  • Relationships between Formation Conditions , Properties and Crystallite Sizes of Boehmite Reviewed

    Kiyoshi Okada, Toru Nagashima, Yoshikazu Kameshima, Atsuo Yasumori, Takayuki Tsukada

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   253 ( 2 )   308 - 314   2002.9

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  • Effect of Germanium Oxide(GeO2)Additive on the Anataseto-Rutile Phase Transition Reviewed

    Kiyoshi Okada, Ken-ichi Katsumata, Yoshikazu Kameshima, Atsuo Yasumori

    JOURNAL OF THE AMERICAN CERAMIC SOCIETY   85 ( 8 )   2078 - 2082   2002.8

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  • Preparation and Porous Properties of Materials Prepared by Selective Leaching of Phlogopite Reviewed

    Kiyoshi Okada, Noriyuki Nakazawa, Yoshikazu Kameshima, Atsuo Yasumori, Jadambaa Temmujin, Kenneth, J.D.Mackenzie

    CLAYS AND CLAY MINERALS   50 ( 5 )   624 - 632   2002.5

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  • Formation of hydroxyapatite on CaSiO3 powders in simulated body fluid Reviewed

    P Siriphannon, Y Kameshima, A Yasumori, K Okada, S Hayashi

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   22 ( 4 )   511 - 520   2002.4

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  • Acidic and Basic Gas Adsorption Properties in Composites of Layered Double Hydroxide/Aluminosilicate Xerogels Reviewed

    Kiyoshi Okada, Atsushi Kaneda, Yoshikazu Kameshima, Atsuo Yasumori

    Mat. Res. Bull.   37   209 - 219   2002.2

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  • Effect of Crystallite Size on the Thermal Phase Change and Porous Properties of Boehmite Reviewed

    Kiyoshi OKADA, Toru NAGASHIMA, Yoshikazu KAMESHIMA, Atsuo YASUMORI

    J. COLLOID INTERFACE Sci.   248   111 - 115   2002.2

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  • Magnetic Anisotropy of Phase-Separated CaO-Fe3O4-SiO2 Glasses Prepared from a Two-Liquids Immiscible Melt Reviewed

    Atsuo YASUMORI, Akio KOIKE, Yoshikazu KAMESHIMA, Kiyoshi OKADA, Hiroaki NISHIO

    J. NON-CRYSTALLINE SOLIDS   297   239 - 246   2002

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  • Porous properties of polymeric Al2O3-SiO2 xerogels Reviewed

    K Okada, J Kaneda, Y Kameshima, A Yasumori, KJD MacKenzie

    EURO CERAMICS VII, PT 1-3   206-2   1945 - 1948   2002

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  • Crystallization Kinetics of Mullite from Al2O3-SiO2 Glasses under Non-Isothermal Conditions Reviewed

    T. Takei, Y. Kameshima, A. Yasumori, K. Okada

    J. European Ceram. Soc.   21 ( 14 )   2487 - 2493   2001.11

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    DOI: 10.1016/S0955-2219(01)00266-7

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  • Effect of SiO2 Addition on the Anatase-to-Rutile Phase Transition Reviewed

    Kiyoshi OKADA, Nobuo YAMAMOTO, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kenneth J.D.MACKENZIE

    J. Am. Ceram. Soc.   84 ( 7 )   1591 - 1596   2001.7

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  • SAXS Analysis of Textures Formed by Phase Separation and Crystallization of Al2O3-SiO2 Glasses Reviewed

    T. Takei, Y. Kameshima, A. Yasumori, K. Okada, N. Kumada, N. Kinomura

    J. Non-Crystalline Solids   282/3   265 - 267   2001.2

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  • Preparation of ZSM-5 Thim Film on Cordierite Honeycomb by Solid State In-Situ Crystallization Reviewed

    Chengala. D. MADHUSOODANA, Rathindra N.DAS, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kiyoshi OKADA

    Microporous Mesoporous Mater.   46   249 - 255   2001

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  • Photocatalytic and Photoelectrochemical Properties of TiO2-based Multiple Layer Thin Film Prepared by Sol-Gel and Reactive-Sputtering Methods Reviewed

    Atsuo YASUMORI, Hiroyuki SHINODA, Yoshikazu KAMESHIMA, Shigeo HAYASHI, Kiyoshi OKADA

    J. Mat. Chem.   11   1253 - 1257   2001

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  • Fast Formation of ZSM-5 Zeolite using Microporous Silica Obtained from Selective Leaching of Metakaolinite Reviewed

    C.D.MADHUSOODANA, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kiyoshi OKADA

    Clay Science   11 ( 4 )   369 - 380   2001

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    High silica ZSM-5 zeolites were synthesized by using microporous silica derived from kaolin and were characterized by XRD, FTIR, SEM and N_2 adsorption. The microporous silicas were prepared by calcining kaolinite at 600℃ and selectively leaching with H_2SO_4 solution for different times. Microporous silicas with SiO_2/Al_2O_3 ratios of 70 and 710 were used as the starting materials. These powders were then converted into ZSM-5 by hydrothermal treatment at 150℃ in the presence of the templating agent tetrapropylammonium hydroxide. ZSM-5 zeolite formation was observed as early as 3 h in the both samples. The growth rates of the crystals were found to depend on the SiO_2/Al_2O_3 ratios of the starting materials. A high SiO_2/Al_2O_3 ratio resulted in more uniform and well-crystallized ZSM-5 zeolite. The change of crystal morphology was examined as a function of hydrothermal treatment using XRD and SEM, showing that the preferential growth of (020) plane resulted in thick platy ZSM-5 crystals in the high silica batch. The specific surface areas obtained were 300-340 m^2/g and the pore size distributions showed a considerable change due to differences in the size and morphology of the ZSM-5 crystals.

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  • Characterization and adsorption behavior of ZSM-5 zeolite film on cordierite honeycombs prepared by a novel in situ crystallization method Reviewed

    CD Madhusoodana, RN Das, Y Kameshima, A Yasumori, K Okada

    JOURNAL OF POROUS MATERIALS   8 ( 4 )   265 - 271   2001

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  • Hydroxyapatite formation on CaSiO3 ceramics in protein containing system

    Kiyoshi Okada, Punnama Siriphannon, Yoshikazu Kameshima, Atsuo Yasumori, Shigeo Hayashi

    Key Engineering Materials   ( 213 )   1551 - 1554   2001

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  • Characterization of the State of Ni^<2+> in Ni-Exchanged KAISiO_4 by XPS, XRF, XRD, EXAFS and NMR

    OKADA Kiyoshi, NEMOTO Masaaki, KAMESHIMA Yoshikazu, MATSUSHIMA Yuta, MACKENZIE Kenneth J.D.

    Journal of the Ceramic Society of Japan   108 ( 1263 )   989 - 992   2000.11

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    Imperfectly ordered KAlSiO_4 shows a greatly increased uptake of Ni^<2+> from solution which motivated this study of the state of Ni^<2+> in Ni-exchanged KAlSiO_4 using X-ray photo-electron spectroscopy (XPS), X-ray fluorescence (XRF), powder X-ray diffraction (XRD), extended X-ray absorption fine structure (EXAFS) and solid state nuclear magnetic resonance spectroscopy (NMR). The imperfectly ordered KAlSiO_4 was synthesized by solid-state reaction of kaolinite with K_2CO_3 at 550℃ for 24 h. The Ni-exchanged KAlSiO_4 samples were obtained by treatment in a solution containing 10^<-3>-10^<-1>M NiCl_2 buffered with 0.5 M NaCl at 60℃. Comparison of the surface and bulk chemical compositions analyzed by XPS and XRF indicated that the Ni^<2+> sorbed on the KAlSiO_4 is largely concentrated at the surface. The XRD pattern of the Ni-exchanged KAlSiO_4 showed weak broad peaks corresponding to a phase with a layered structure and a change in the halo pattern of the KAlSiO_4. EXAFS analysis confirmed the presence of a Ni-containing layered double hydroxide (LDH; Ni_<1-y>Al_y(OH)_2X_y・nH_2O) as indicated by the interatomic Ni-Ni distance and Ni coordination number. The ^<29>Si MAS NMR showed shift and peak splitting corresponding to an increase in the degree of polymerization of the SiO_4 tetrahedra forming the framework of the tridymite-type structure and the ^<27>Al MAS NMR showed an increase of six coordinated Al in the Ni-exchanged KAlSiO_4. It is concluded, from all these results, that the Ni^<2+> in Ni-exchanged KAlSiO_4 forms a Ni-Al LDH-like phase on the surface of the KAlSiO_4. This is considered to be the main reason for the higher Ni^<2+> uptake compared with various other cations adsorbed on imperfectly ordered KAlSiO_4.

    DOI: 10.2109/jcersj.108.1263_989

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  • Characterization of the state of Ni2+ in Ni-exchanged KAlSiO4 by XPS, XRF, XRD, EXAFS and NMR Reviewed

    K Okada, M Nemoto, Y Kameshima, Y Matsushima, KJD Mackenzie

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   108 ( 11 )   989 - 992   2000.11

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    DOI: 10.2109/jcersj.108.1263_989

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  • Uptake of Various Cations by Imperfectly Ordered KAISiO_4 Prepared by Solid-State Reaction of Kaolinite with K_2CO_3

    OKADA Kiyoshi, NEMOTO Masaaki, KAMESHIMA Yoshikazu, YASUMORI Atsuo

    Journal of the Ceramic Society of Japan   108 ( 1262 )   898 - 903   2000.10

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    The uptake of various cations by imperfectly ordered KAISiO_4 was investigated. The KAISiO_4 was prepared by solid-state reaction of kaolinite with K_2CO_3 at 550℃ for 24h. Uptake experiments were performed at 60℃ using 0.5g of the KAISiO_4 and 50 ml of solution containing 10^<-3>-10^<-1> M of each cation, with and without 0.5 M NaCl buffer. The cations were alkali 8Li^+ and Na^+), alkaline earth (Mg^<2+> Ca^<2+> Sr^<2+> and Ba^<2+>) and transition metal cations (Ni^<2+> Co^<2+> Cu^<2+> and Zn^<2+>). From the comparison of uptakes of various cations by KAISiO_4 and zeolite Na-A, it was found that the ratio of uptake by both exchange materials increased with decreasing ionic radius of the exchanging cations, the KAISiO_4 showing higher uptake of Ni^<2+> than zeolite Na_A. This trend became more distinct for the uptake of Ni^<2+> in simulated acid waste solution and ground-water because of the suppressing effects by co-existing alkali and alkaline earth cations especially for zeolite Na-A.

    DOI: 10.2109/jcersj.108.1262_898

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  • Influence of preparation conditions on the microstructure and bioactivity of alpha-CaSiO3 ceramics: Formation of hydroxyapatite in simulated body fluid Reviewed

    P Siriphannon, Y Kameshima, A Yasumori, K Okada, S Hayashi

    JOURNAL OF BIOMEDICAL MATERIALS RESEARCH   52 ( 1 )   30 - 39   2000.10

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  • Uptake of various cations by imperfectly ordered KAlSiO4 prepared by solid-state reaction of kaolinite with K2CO3 Reviewed

    K Okada, M Nemoto, Y Kameshima, A Yasumori

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   108 ( 10 )   898 - 903   2000.10

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  • Morphology Control of Phase-Separation Texture by Elongation of Two-Liquids Immiscible Melt in Fe_3O_4-SiO_2 System

    YASUMORI Atsuo, KOIKE Akio, KAMESHIMA Yoshikazu, OKADA Kiyoshi, INOUE Satoru

    Journal of the Ceramic Society of Japan   108 ( 1261 )   813 - 817   2000.9

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    The existence of a liquid-liquid miscibility gap in Fe_3O_4-SiO_2 system has been reported. In this study, phase-separated glasses of 5 Fe_3O_4・95SiO_2(mol%)were prepared by melting sintered rods of the same composition at 1800℃(in immiscible region)using an infrared imaging furnace and, subsequently, quenching with elongation of the melts at a constant rate. The glass quenched without elongation exhibited a binodal type phase separation texture consisting of discrete spherical Fe_3O_4-rich particles. On the contrary, in the sample quenched with elongation, Fe_3O_4-rich particles were stretched and oriented along the direction of elongation. The length of the stretched particles was proportional to the elongation distance and was not independent of the elongation rate within short elongation distance. However, the stretching of the particles was less pronounced for the long elongation ranges. This suggests that the spherical particles grown by phase separation in the binodal region, were stretched by viscous flow in the early stage of elongation and the stretching in the latter stage was reduced by restoration due to viscoelastic behavior and/or to a steep increase of viscosity. The deformation and orientation of phase separation texture could be achieved in this process, though this deformation proceeded under non-equilibrium conditions. Therefore, the operated elongation process of two-liquid immiscible melts may enable one to fabricate high-functional composite materials owing to morphology control of phase separation texture.

    DOI: 10.2109/jcersj.108.1261_813

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  • Morphology control of phase-separation texture by elongation of two-liquids immiscible melt in Fe3O4-SiO2 system Reviewed

    A Yasumori, A Koike, Y Kameshima, K Okada, S Inoue

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   108 ( 9 )   813 - 817   2000.9

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    DOI: 10.2109/jcersj.108.1261_813

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  • XPS and X-ray AES (XAES)Study of Various Aluminate Compounds Reviewed

    Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kiyoshi OKADA

    J. Surf. Sci. Soc. Jpn.   21 ( 8 )   481 - 487   2000.8

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    X-ray photoelectron (XPS) and X-ray Auger electron spectroscopy (XAES) were used for investigating the chemical and structural states of various aluminates. A clear chemical shift in Al modified Auger parameter (AP) for coordination state of Al atom was observed. For similar chemical composition, the AP of tetrahedral Al was higher than that of octahedral Al. In the same coordination state, the AP became larger by the following order; Al oxide ≈ Al double oxide < Al phosphate ≈ Al hydroxide < Al silicate. This order correlated with an electron affinity of secondary coordinated cations. On the other hand, the effective electrostatic force of Al-O calculated by bond strength showed a correlation with the AP of the samples except for several aluminosilicates. Since these aluminosilicates have solid acidity, the deviation from the correlation may be used as an index of solid acidity in Al sites.

    DOI: 10.1380/jsssj.21.481

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  • In-Situ Zeolite X Coating on Glass Fibers by Soft Solution-Process Reviewed

    K. Okada, K, Kuboyama, T. Takei, Y. Kameshima, A. Yasumori, M. Yoshimura

    Microporous and Mesoporous Mater.   37   99 - 105   2000.5

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  • Effect of monovalent cation additives on the gamma-Al2O3-to-alpha-Al2O3 phase transition Reviewed

    K Okada, A Hattori, Y Kameshima, A Yasumori, RN Das

    JOURNAL OF THE AMERICAN CERAMIC SOCIETY   83 ( 5 )   1233 - 1236   2000.5

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  • Thermal Stability of Coprecipitated Al_2O_3-SiO_2 Xerogels Prepared from Aluminium Nitrate Nonahydrate and Tetraethylorthosilicate

    OKADA Kiyoshi, TOMITA Takahiro, KAMESHIMA Yoshikazu, YASUMORI Atsuo

    Journal of the Ceramic Society of Japan   108 ( 1254 )   122 - 127   2000.2

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    Amorphous Al_2O_3-SiO_2 xerogels were prepared by coprecipitation and their thermal stability was investigated by powder X-ray diffraction, N_2 gas adsorption and transmission electron microscopy. Xerogels with chemical compositions of 4, 30, 60, 80 and 100 mol%Al_2O_3 were prepared by adding conc. NH_4OH to an ethanol solution of aluminium nitrate nonahydrate(ANN)and tetraethylorthosilicate(TEOS). Deionized water was added to the solution to adjust the molar ratio H_2O/TEOS&ge;18. The xerogels obtained by calcining at 300°C were heat-treated at 800-1500°C for 2 h at heating and cooling rates of 10°C/min. The specific surface area(S_A)of the xerogels heated at high temperatures showed large composition-dependent variations, the samples containing 60 and 80 mol%Al_2O_3 having much higher S_A values than the other xerogels. This is attributed to retarding effect of the SiO_2 component for transition into α-Al_2O_3 phase by avoiding direct contact of γ-Al_2O_3 particles. On the other hand, the S_A values of the SiO_2-rich and Al_2O_3 xerogels decreased markedly at about 1000-1100°C with increasing of pore radius(r_P). This steep decrease in S_A and increase of r_P are attributed mainly to densification by a viscous flow mechanism accompanied by abrupt particle growth in the SiO_2-rich xerogels and by a particle growth mechanism accompanied by the γ-to-α-Al_2O_3 phase transition in the A_2O_3 xerogel. The thermal stability of the xerogels is compared with those of other previously reported porous ceramics.

    DOI: 10.2109/jcersj.108.1254_122

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  • Thermal stability of coprecipitated Al2O3-SiO2 xerogels prepared from aluminium nitrate nonahydrate and tetraethylorthosilicate Reviewed

    K Okada, T Tomita, Y Kameshima, A Yasumori

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   108 ( 2 )   122 - 127   2000.2

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  • Calculation of Metastable Immiscibility Region in the Al2O3-SiO2 System Using Molecular Dynamics Simulation Reviewed

    T. Takei, Y. Kameshima, A. Yasumori, K. Okada

    J. Mater. Res.   15 ( 1 )   186 - 193   2000.1

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    DOI: 10.1557/JMR.2000.0030

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  • Concentration effect of Cs+ additive on the gamma-Al2O3-to-alpha-Al2O3 phase transition Reviewed

    K Okada, A Hattori, Y Kameshima, A Yasumori

    MATERIALS LETTERS   42 ( 3 )   175 - 178   2000.1

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  • Magnetooptical Property of Sodium Borosilicate Gel-Glass Containing Bi-YIG Fine Particles Reviewed

    Atsuo YASUMORI, Tomokazu KATSUYAMA, Yoshikazu KAMESHIMA, Kiyoshi OKADA

    J. Sol-Gel Sci. Tech.   19   813 - 817   2000

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  • Effect of Preparation Conditions on Porous Properties of Coprecipitated A12O3-SiO2 Xerogels Prepared from Aluminium Nitrate Nonahydrate and Tetraethylorthosilicate Reviewed

    Kiyoshi OKADA, Takahiro TOMITA, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kenneth J, D. MACKENZIE

    Microporous Mesoporous Mater.   37   355 - 364   2000

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  • Sol-gel synthesis of YAC/Al2O3 long fibres from water solvent systems Reviewed

    K Okada, T Motohashi, Y Kameshima, A Yasumori

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   20 ( 5 )   561 - 567   2000

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  • B12 金雲母の選択溶解による多孔体の作製(その2)

    岡田 清, 中澤 範行, Jadambaa Temuujin, 亀島 欣一, 安盛 敦雄

    粘土科学討論会発表論文抄録   44   114 - 115   2000

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    DOI: 10.11362/cssj2.44.0_114

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  • Nitridation of silicon powder studied by XRD, (29)Si MAS NMR and surface analysis techniques Reviewed

    KJD MacKenzie, CM Sheppard, K Okada, Y Kameshima

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   19 ( 16 )   2731 - 2737   1999.12

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  • Crystallization Kinetics of Mullite in Al2O3-SiO2 Glass Fibers Reviewed

    T. Takei, Y. Kameshima, A. Yasumori, K. Okada

    J. Am. Ceram. Soc.   82 ( 10 )   2876 - 2880   1999.10

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    DOI: 10.1111/j.1151-2916.1999.tb02171.x

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  • In situ temperature measurement of oxide melt in an are imaging furnace by a monochromatic radiation pyrometer Reviewed

    A Yasumori, J Hama, T Yang, S Shibata, M Yamane, S Inoue, N Nakazawa, Y Kameshima, K Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   107 ( 10 )   986 - 989   1999.10

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    DOI: 10.2109/jcersj.107.986

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  • Surface Acidity and Hydrophilicity of Coprecipitated A12O3-SiO2 Werogels Prepared from Aluminium Nitrate Nonahydrate and Teraethylorthosilicate Reviewed

    Kiyoshi OKADA, Takahiro TOMITA, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kenneth J, D. MACKENZIE

    J.Colloid Interface. Sci.   219   195 - 200   1999

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  • Porous Properties of Co-precipitated A12O3-SiO2 Xerogels Prepared from Aluminium Nitrete Nonahydrate and Tetraethylorthosilicate Reviewed

    Kiyoshi OKADA, Takahiro TOMITA, Yoshikazu KAMESHIMA, Atsuo YASUMORI, Kenneth J, D. MACKENZIE

    J.Mater.Chem.   9 ( 6 )   1307 - 1312   1999

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  • Analysis of surface state and stability during storage of AIN powders by X-ray photoelectron spectroscopy Reviewed

    Y Kameshima, S Kuramochi, A Yasumori, K Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   106 ( 8 )   749 - 753   1998.8

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    DOI: 10.2109/jcersj.106.749

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  • Chemical shifts of silicon X-ray photoelectron spectra by polymerization structures of silicates Reviewed

    K Okada, Y Kameshima, A Yasumori

    JOURNAL OF THE AMERICAN CERAMIC SOCIETY   81 ( 7 )   1970 - 1972   1998.7

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  • CHARACTERIZATION OF MICROPOROUS SILICA PREPARED BY SELECTIVE LEACHING OF CALCINED KAOLINITE : EFFECT OF CALCINING TEMPERATURE

    OKADA Kiyoshi, SHIMAI Akira, KAMESHIMA Yoshikazu, YASUMORI Atsuo

    Clay Sci.   10 ( 4 )   337 - 348   1998.6

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    Microporous silica was prepared by selective leaching of the Al_2O_3 component from calcined kaolinite.The kaolinite was calcined at various temperatures from 400 to 1000℃ for 24h.It was then chemically treated with a 20 mass% H_2SO_4 solution at 90℃ for 2h and the effect of the calcining temperature was studied.The chemical composition of the acid leached product changed largely by elevating the calcining temperatures from 425 to 475℃ owing to selective leaching of Al_2O_3 from metakaolinite and became almost SiO_2 composition above this calcining temperatures.With decreasing of Al_2O_3 content in the products, the specific surface area increased and became higher than 300m^2g^-1.It further increased gradually with higher calcining temperature up to 700℃ because of the increase of efficiency of selective leaching.The pore size distribution was calculated by the Horvath-Kawazoe method based on Ar gas isotherms and the slit-shaped pore size was about 0.6nm in width for all the products with irrespective to the calcining temperatures.Since the particle shape was preserved after the leaching treatment, those pores are considered to be formed in the interlayers of the SiO_4 tetrahedral layers largely preserving the original metakaolinite structure.

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  • Liquid-liquid phase separation of melts and glasses in ferric ferrous oxide-silica system Reviewed

    A Yasumori, A Koike, Y Kameshima, K Okada, T Yano, M Yamane, S Inoue

    STRUCTURE AND DYNAMICS OF GLASSES AND GLASS FORMERS   455   459 - 464   1997

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  • Liquid-liquid phase separation of melts and glasses in ferric ferrous oxide-silica system

    A. Yasumori, A. Koike, Y. Kameshima, K. Okada, T. Yano, M. Yamane, S. Inoue

    Materials Research Society Symposium - Proceedings   455   459 - 464   1997

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  • Thermal resistance of porous alumina ceramics prepared from the spray pyrolyzed powders

    Kiyoshi Okada, Hiroshi Ishino, Yoshikazu Kameshima, Shigeo Hayashi, Atsuo Yasumori

    Key Engineering Materials   132-136   384 - 387   1997

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  • CHARACTERIZATION OF SURFACE-OXIDIZED PHASE IN SILICON-NITRIDE AND SILICON OXYNITRIDE POWDERS BY X-RAY PHOTOELECTRON-SPECTROSCOPY Reviewed

    K OKADA, K FUKUYAMA, Y KAMESHIMA

    JOURNAL OF THE AMERICAN CERAMIC SOCIETY   78 ( 8 )   2021 - 2026   1995.8

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  • カオリンからのミクロポア多孔体の作製

    岡田 清, 川島 洋志, 亀島 欣一, 林 滋生, 安盛 敦雄

    粘土科学   34 ( 3 )   188 - 188   1994.12

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  • PREPARATION OF Y-TZP/AL2O3 WHISKER PREFORM BY AN IN-SITU METHOD Reviewed

    K OKADA, Y KAMESHIMA, H MUTOH, S HAYASHI

    JOURNAL OF MATERIALS SCIENCE   29 ( 15 )   4081 - 4085   1994.8

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  • セラミックス機能化ハンドブック

    NTS  2011  ( ISBN:9784860433505

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  • エコマテリアルハンドブック

    丸善  2006 

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  • ポストコロナに教育現場で見られる変化 Invited

    亀島 欣一

    セラミックス   59 ( 8 )   518 - 519   2024.8

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  • 太陽光発電の現状と課題 〜リサイクルに向けた取り組みを中心に〜

    Journal of the Society of Inorganic Materials, Japan   30 ( 423 )   37 - 39   2023.3

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  • The Situation in the Field of Education under Corona Disaster Invited

    56 ( 4 )   283 - 285   2021.4

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  • 再利用できる酸化チタン系油水分離フィルター Reviewed

    西本俊介, 亀島欣一, 三宅通博

    加工技術   53   149 - 152   2018

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  • 層状複水酸化物ゲル体からの水浄化のための多孔体の作製

    亀島欣一, 渡辺駿一, 西本俊介, 三宅通博, 田中俊行

    日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM)   29th   2016

  • 層状複水酸化物を利用した新規水処理触媒の開発

    亀島欣一

    研究レポート集2014   ( 15 )   67 - 72   2014

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  • ハイドロタルサイトの組成分析に活用できる赤外吸収スペクトルのピーク分離法

    田中俊行, 玉井博康, 亀島欣一, 西本俊介, 三宅通博

    粘土科学討論会講演要旨集   58th   2014

  • 41 水酸アパタイトによる土壌中のカドミウムの形態変化(関西支部講演会,2012年度各支部会)

    三瀬 千暁, 西本 俊介, 亀島 欣一, 三宅 通博

    日本土壌肥料学会講演要旨集   ( 59 )   300 - 300   2013.9

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  • Development of cesium ion exchange materials from autoclaved lightweight concrete (ALC) materials

    KAMESHIMA Yoshikazu, TSUTSUMI Takuma, NISHIMOTO Shunsuke, MIYAKE Michihiro

    J. Ion Exch.   24 ( 2 )   46 - 51   2013

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    The material for removing, recovering and fixing of the cesium etc. which were emitted by the accident of the Fukushima Daiichi nuclear power plant into environment is needed. Authors' research group has developed a new cesium adsorption and fixation material based on an autoclaved lightweight concrete (ALC) that consists of tobermorite. High cesium removal performance is revealed by hydrothermal treatment of a tobermorite with sodium hydroxide. In this paper, cesium and strontium removal performance of the powder and the bulk of this NaOH treated ALC sample and the removal performance of cesium and strontium from the sea water by these samples are explained.<br>

    DOI: 10.5182/jaie.24.46

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  • 赤外吸収スペクトルのピーク分離による層状複水酸化物の層間イオンの定量法

    田中俊行, 亀島欣一, 西本俊介, 三宅通博

    日本化学会講演予稿集   93rd ( 2 )   2013

  • 赤外吸収スペクトルのピーク分離によるハイドロタルサイトの層間イオンの定量法

    田中俊行, 亀島欣一, 西本俊介, 三宅通博

    粘土科学討論会講演要旨集   57th   2013

  • Electrode Properties of Layered Perovskite Cathodes for Intermediate-Temperature Solid Oxide Fuel Cells

    13 ( 2 )   7 - 14   2013

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  • 炭酸型層状複水酸化物のモノカルボン酸非水溶液を用いた陰イオン交換における溶媒効果

    田中俊行, 亀島欣一, 西本俊介, 三宅通博

    日本化学会講演予稿集   93rd ( 2 )   2013

  • Environment and Ceramics : Ceramics Materials for Environmental Purification and Environmental Improvement

    KAMESHIMA Yoshikazu

    64 ( 5 )   198 - 204   2012.5

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  • 環境材料としてのゼオライト

    三宅 通博, 松田 元秀, 亀島 欣一, 西本 俊介

    セラミックス   47 ( 5 )   354 - 360   2012

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  • 炭酸型層状複水酸化物のカルボン酸/アルコール溶液を用いた陰イオン交換反応における溶媒効果

    田中俊行, 亀島欣一, 西本俊介, 三宅通博

    日本化学会講演予稿集   92nd ( 2 )   2012

  • Anion-exchange Reaction of Carbonate Layered Double Hydroxide in Carboxylic Acid/Alcohol Solution

    TANAKA T., KAMESHIMA Y., NISHIMOTO S., MIYAKE M.

    セラミックス基礎科学討論会講演要旨集   50th   2012

  • これだけは知っておきたい合成の基礎1:微粉末合成

    亀島欣一

    平成23年度セラミックス大学 ベーシックコーステキスト   49 - 63   2011

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  • レイヤーバイレイヤー法を用いた層状複水酸化物ナノシート/デンドリマー積層薄膜の作製

    田中俊行, 西本俊介, 亀島欣一, 高口豊, 三宅通博

    日本化学会講演予稿集   91st ( 2 )   2011

  • 未燃炭素含有石炭灰からの活性炭/ゼオライト複合体の合成と吸着特性

    田中俊行, 西本俊介, 亀島欣一, 三宅通博

    粘土科学討論会講演要旨集   55th   2011

  • Asian Clay報告

    亀島欣一, 川俣純, 高木慎介, 松枝直人, 福士圭介, 山田裕久

    粘土科学   49 ( 2 )   53 - 61   2010

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  • 光応答デンドリマー/層状複水酸化物複合体の合成と取込量に対するpHの影響

    田中俊行, 西本俊介, 亀島欣一, 高口豊, 三宅通博

    粘土科学討論会講演要旨集   54th   2010

  • LbL法を用いたLDH/機能性デンドリマーハイブリッド薄膜の作製

    田中俊行, 西本俊介, 亀島欣一, 高口豊, 三宅通博

    セラミックス基礎科学討論会講演要旨集   48th   2010

  • 層状複水酸化物のデンドリマーに対するイオン交換特性;pH応答性

    田中俊行, 西本俊介, 亀島欣一, 高口豊, 三宅通博

    日本化学会講演予稿集   90th ( 2 )   2010

  • Nanosized silver-anionic clay matrix as nanostructured ensembles with antimicrobial activity

    Gabriela Carja, Yoshikazu Kameshima, Akira Nakajima, Cristian Dranca, Kiyoshi Okada

    INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS   34 ( 6 )   534 - 539   2009.12

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  • Preparation of Pt particles dispersing nanocomposites by thermal treatment of tetrachloroplatinate/layered double hydroxide (LDH)

    Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada, Toyohiko Yano

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   117 ( 1371 )   1229 - 1232   2009.11

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  • Solid acidities of SiO2-TiO2/montmorillonite composites synthesized under different pH conditions

    Yoshikazu Kameshima, Akihiro Yoshizawa, Akira Nakajima, Kiyoshi Okada

    APPLIED CLAY SCIENCE   46 ( 2 )   181 - 184   2009.10

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  • Preparation and photocatalytic activity of Keggin-ion tungstate and TiO2 hybrid layer-by-layer film composites

    Sayaka Yanagida, Akira Nakajima, Takayoshi Sasaki, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    Applied Catalysis A: General   366 ( 1 )   148 - 153   2009.9

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  • P31 イブプロフェン/層状複水酸化物の作製とイブプロフェンの放出挙動の調査(ポスター発表,一般講演)

    桜田 雄, 亀島 欣一, 磯部 敏宏, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 53 )   196 - 197   2009.9

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  • B18 Gallate(没食子酸)/層状複水酸化物複合体の作製と評価(口頭発表,一般講演)

    亀島 欣一, 西本 俊介, 三宅 通博

    粘土科学討論会講演要旨集   ( 53 )   102 - 103   2009.9

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  • Measurement of non-DLVO force on a silicon substrate coated with ammonium poly(acrylic acid) using scanning probe microscopy

    Toshihiro Isobe, Yosuke Nakano, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    APPLIED SURFACE SCIENCE   255 ( 20 )   8710 - 8713   2009.7

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    DOI: 10.1016/j.apsusc.2009.06.050

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  • Water retention properties of porous geopolymers for use in cooling applications

    Kiyoshi Okada, Asami Ooyama, Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima, Kenneth J. D. MacKenzie

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   29 ( 10 )   1917 - 1923   2009.7

  • Preparation of solid acid carbon coating on the surface of TiO2 by photo-CVD of gaseous aromatic hydrocarbons

    Akira Nakajima, Katsuhiro Horie, Michikazu Hara, Masaaki Kitano, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    CATALYSIS COMMUNICATIONS   10 ( 13 )   1670 - 1673   2009.7

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  • Preparation and properties of TiO2/montmorillonite composites

    Yoshikazu Kameshima, Yoshihiro Tamura, Akira Nakajima, Kiyoshi Okada

    APPLIED CLAY SCIENCE   45 ( 1-2 )   20 - 23   2009.6

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  • Droplet Size Dependence of Line Tension for an Ionic Liquid on a Smooth Silane Coating

    Tsutomu Furuta, Akira Nakajima, Munetoshi Sakai, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMISTRY LETTERS   38 ( 6 )   580 - 581   2009.6

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  • Evaporation and Sliding of Water Droplets on Fluoroalkylsilane Coatings with Nanoscale Roughness

    Tsutomu Furuta, Akira Nakajima, Munetoshi Sakai, Toshihiro Isobe, Yoshikazu Kameshima, Kiyoshi Okada

    LANGMUIR   25 ( 10 )   5417 - 5420   2009.5

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  • Preparation and abrasion resistance of transparent super-hydrophobic coating by combining crater-like silica films with acicular boehmite powder

    Tomoki Yanagisawa, Akira Nakajima, Munetoshi Sakai, Yoshikazu Kameshima, Kiyoshi Okada

    MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS   161 ( 1-3 )   36 - 39   2009.4

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  • Dependence of photoinduced surface friction force variation on UV intensity and atmosphere in polycrystalline TiO2 thin films

    Naoki Arimitsu, Akira Nakajima, Toshiya Watanabe, Yoshikazu Kameshima, Kiyoshi Okada

    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY   203 ( 2-3 )   155 - 160   2009.4

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  • Low temperature preparation and machinability of porous ceramics from talc and foamed glass particles

    Kiyoshi Okada, Fumihiko Ikawa, Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima

    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY   29 ( 6 )   1047 - 1052   2009.4

  • Bioactivity and mechanical properties of CaSiO3/high-density polyethylene (HDPE) composites prepared by a new surface loading method of CaSiO3 powder

    Kiyoshi Okada, Miho Tanuma, Yoshikazu Kameshima, Akira Nakajima, Shigeo Asai, Masao Sumita

    MATERIALS RESEARCH BULLETIN   44 ( 2 )   298 - 305   2009.2

  • Effect of Surface Structure on the Sustainability of an Air Layer on Superhydrophobic Coatings in a Water-Ethanol Mixture

    Munetoshi Sakai, Tomoki Yanagisawa, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    LANGMUIR   25 ( 1 )   13 - 16   2009.1

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  • Preparation and properties of titania-Cs2.5H0.5PW12O40 hybrid films

    Akira Nakajima, Shunsuke Matsui, Sayaka Yanagida, Yoshikazu Kameshima, Kiyoshi Okada

    SURFACE & COATINGS TECHNOLOGY   203 ( 9 )   1133 - 1137   2009.1

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  • Preparation of Pt particles dispersing nanocomposites by thermal treatment of tetrachloroplatinate/layered double hydroxide

    Y. Kameshima, A. Nakajima, K. Okada, T. Yano

    J. Ceram. Soc. Jpn.   117 ( 1371 )   1229 - 1232   2009

  • Photocatalytic destruction of 1,4-dioxane in aqueous system by surface-roughened tio2 coating on stainless mesh

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    Key Engineering Materials   412   137 - 141   2009

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  • Photocatalytic destruction of 1,4-dioxane in aqueous system by surface-roughened TiO(2) coating on stainless mesh

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    ELECTROPHORETIC DEPOSITION: FUNDAMENTALS AND APPLICATIONS III   412   137 - 141   2009

  • Preparation and electrochemical property of manganese oxide/carbon composites

    Y. Kameshima, H. Wagata, A. Nakajima, K. Okada

    Journal of Physics: Conference Series   191   12015   2009

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    DOI: 10.1088/1742-6596/191/1/012015

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  • P57 多孔性を利用したメソポーラスシリカ/チタニア複合体の作製(ポスター討論)

    吉澤 章博, 磯部 敏宏, 亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 52 )   270 - 271   2008.9

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  • B17 タルクを用いたマシナブルセラミックスの作製(口頭発表,一般講演)

    岡田 清, 井川 史彦, 磯部 敏宏, 亀島 欣一, 中島 章

    粘土科学討論会講演要旨集   ( 52 )   118 - 119   2008.9

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  • P23 ケイ皮酸ナトリウム/層状複水酸化物複合体の作製と紫外線照射の影響(ポスター討論)

    中田 綾, 亀島 欣一, 磯部 敏宏, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 52 )   202 - 203   2008.9

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  • A13 テトラクロロ白金酸/層状複水酸化物複合体の作製と評価(口頭発表,一般講演)

    亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 52 )   56 - 57   2008.9

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  • P58 多孔性ジオポリマーの作製とその保水特性の評価(ポスター討論)

    大山 朝美, 磯部 敏宏, 亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 52 )   272 - 273   2008.9

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  • Preparation of barium titanate nanoparticle sphere arrays and their dielectric properties

    Satoshi Wada, Aki Yazawa, Takuya Hoshina, Yoshikazu Kameshima, Hirofumi Kakemoto, Takaaki Tsurumi, Yoshihiro Kuroiwa

    IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL   55 ( 9 )   1895 - 1899   2008.9

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  • Effect of the crystallinity of kaolinite precursors on the properties of mesoporous silicas

    Myoshi Okada, Hisako Yoshizaki, Yoshikazu Kameshima, Akira Nakajima

    APPLIED CLAY SCIENCE   41 ( 1-2 )   10 - 16   2008.9

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  • Utilization of steel-making slag for the uptake of ammonium and phosphate ions from aqueous solution

    Vinay Kumar Jha, Yoshikazu Kameshima, Akira Nakajima, Kiyoshi Okada

    JOURNAL OF HAZARDOUS MATERIALS   156 ( 1-3 )   156 - 162   2008.8

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  • Processing and properties of transparent sulfated TiO(2) thin films using sol-gel method

    Akira Nakajima, Aiko Nakamura, Naoki Arimitsu, Yoshikazu Kameshima, Kiyoshi Okada

    THIN SOLID FILMS   516 ( 18 )   6392 - 6397   2008.7

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  • Effect of liquid viscosity on the internal fluidity of a droplet sliding on a fluoroalkylsilane coating

    Yuu Sakurada, Shunsuke Suzuki, Munetoshi Sakai, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMISTRY LETTERS   37 ( 7 )   688 - 689   2008.7

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  • Processing and photocatalytic properties of transparent 12 tungsto(VI) phosphoric acid - TiO(2) hybrid films

    Sayaka Yanagida, Akira Nakajima, Takayoshi Sasaki, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMISTRY OF MATERIALS   20 ( 11 )   3757 - 3764   2008.6

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  • Effect of atmosphere on photo-induced friction force variation on (001) rutile

    Akira Nakajima, Aya Nakada, Naoki Arimitsu, Yoshikazu Kameshima, Kiyoshi Okada

    MATERIALS LETTERS   62 ( 8-9 )   1319 - 1321   2008.3

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  • Preparation and sorption properties of materials from paper sludge

    M. Hojamberdiev, Y. Kameshima, A. Nakajima, K. Okada, Z. Kadirova

    JOURNAL OF HAZARDOUS MATERIALS   151 ( 2-3 )   710 - 719   2008.3

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  • Water-retention properties of porous ceramics prepared from mixtures of allophane and vermiculite for materials to counteract heat island effects

    Kiyoshi Okada, Shunsuke Matsui, Toshihiro Isobe, Yoshikazu Kameshima, Akira Nakajima

    CERAMICS INTERNATIONAL   34 ( 2 )   345 - 350   2008.3

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  • Preparation and simultaneous ion uptake properties of CaO-Fe2O3-SiO2 compounds

    Atsushi Kobayashi, Fahmida Gulshan, Yoshikazu Kameshima, Akira Nnakajima, Kiyoshi Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   116 ( 1350 )   187 - 191   2008.2

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  • Voltage swing interval effects on photocatalytic decomposition of 1,4-dioxane in aqueous media using TiO2-coated stainless mesh

    Sayaka Yanagida, Akira Nakajima, Yoshikazu Kameshima, Kiyoshi Okada

    JOURNAL OF THE CERAMIC SOCIETY OF JAPAN   116 ( 1350 )   181 - 186   2008.2

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  • Sliding behavior of water droplets on line-patterned hydrophobic surfaces

    Shunsuke Suzuki, Akira Nakajima, Kouichi Tanaka, Munetoshi Sakai, Ayako Hashimoto, Naoya Yoshida, Yoshikazu Kameshima, Kiyoshi Okada

    APPLIED SURFACE SCIENCE   254 ( 6 )   1797 - 1805   2008.1

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  • Slipping and rolling ratio of sliding acceleration for a water droplet sliding on fluoroalkylsilane coatings of different roughness

    Shunsuke Suzuki, Akira Nakajima, Munetoshi Sakai, Yuu Sakurada, Naoya Yoshida, Ayako Hashimoto, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMISTRY LETTERS   37 ( 1 )   58 - 59   2008.1

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  • Direct Observation of Water Droplet Motion on a Hydrophobic Self-assembled Monolayer Surface under Airflow

    HASHIMOTO Ayako, SAKAI Munetoshi, SONG Jeong-Hwag, YOSHIDA Naoya, SUZUKI Shunsuke, KAMESHIMA Yoshikazu, NAKAJIMA Akira

    Journal of the Surface Finishing Society of Japan   59 ( 12 )   907 - 912   2008

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    A wind tunnel to produce a uniform air stream and a high-speed camera system assembled for this study enabled direct and simultaneous measurements of sliding droplets' shape and acceleration. Using this system, wind velocity dependence of deformation and the moving acceleration of a water droplet on an inclined octadecyltrimethoxysilane (ODS) coating were investigated. The motions of a water droplet in an air stream are classifiable into three : sliding, stopping, and climbing. In the sliding zone, the sliding acceleration decreases with increasing wind velocity. During stopping, the droplet shape changes from a forward-bent to backward-bent posture against the surface inclination. In the climbing zone under large wind velocity, water droplets have large climbing acceleration with large shape deformation.

    DOI: 10.4139/sfj.59.907

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  • Preparation of oxid sol/smectite composites with high solid acidity

    59 ( 5 )   337 - 342   2008

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  • Properties of TiO2 prepared by acid treatment of BaTiO3

    Kiyoshi Okada, Tomoki Yanagisawa, Yoshikazu Kameshima, Akira Nakajima

    MATERIALS RESEARCH BULLETIN   42 ( 11 )   1921 - 1929   2007.11

  • Synthesis and characterization of mesoporous silica from selectively acid-treated saponite as the precursors

    Kiyoshi Okada, Hisako Yoshizaki, Yoshikazu Kameshima, Akira Nakajima, Chengala D. Madhusoodana

    JOURNAL OF COLLOID AND INTERFACE SCIENCE   314 ( 1 )   176 - 183   2007.10

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  • A7 メソポーラスシリカの多孔体特性に与えるカオリナイトの結晶性の影響

    岡田 清, 吉崎 久子, 亀島 欣一, 中島 章

    粘土科学討論会講演要旨集   ( 51 )   44 - 45   2007.9

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  • B14 インドメタシン/層状複水酸化物複合体の作製とその放出挙動

    亀島 欣一, 小幡 宏美, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 51 )   116 - 117   2007.9

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  • P31 アスコルビン酸ナトリウム/層状複水酸化物複合体の作製とその評価

    佐々木 洋和, 亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 51 )   208 - 209   2007.9

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  • Freezing of water droplets on silicon surfaces coated with various silanes

    Shunsuke Suzuki, Akira Nakajima, Naoya Yoshida, Munetoshi Sakai, Ayako Hashimoto, Yoshikazu Kameshima, Kiyoshi Okada

    CHEMICAL PHYSICS LETTERS   445 ( 1-3 )   37 - 41   2007.9

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  • Effect of electrification conditions on the freezing of supercooled water droplets on a hydrophobic coating

    Akira Nakajima, Akihito Imase, Shunsuke Suzuki, Naoya Yoshida, Munetoshi Sakai, Ayako Hashimoto, Yoshikazu Kameshima, Hiroshi Toshiyoshi, Kiyoshi Okada

    CHEMISTRY LETTERS   36 ( 8 )   1020 - 1021   2007.8

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  • Hydrophobicity and freezing of a water droplet on fluoroalkylsilane coatings with different roughnesses

    Shunsuke Suzuki, Akira Nakajima, Naoya Yoshida, Munetoshi Sakai, Ayako Hashimoto, Yoshikazu Kameshima, Kiyoshi Okada

    LANGMUIR   23 ( 17 )   8674 - 8677   2007.8

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  • Bioactivity of CaSiO3/poly-lactic acid (PLA) composites prepared by various surface loading methods of CaSiO3 powder

    Kiyoshi Okada, Fumikazu Hasegawa, Yoshikazu Kameshima, Akira Nakajima

    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE   18 ( 8 )   1605 - 1612   2007.8

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  • Photoinduced surface roughness variation in polycrystalline TiO2 thin films under different atmospheres

    Naoki Arimitsu, Akira Nakajima, Ken-Ichi Katsumata, Tadashi Shiota, Toshiya Watanabe, Naoya Yoshida, Yoshikazu Karneshima, Kiyoshi Okada

    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY   190 ( 1 )   53 - 57   2007.7

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  • Bioactivity of CaSiO3/poly-lactic acid (PLA) composites prepared by various surface loading methods of CaSiO3 powder

    Kiyoshi Okada, Fumikazu Hasegawa, Yoshikazu Kameshima, Akira Nakajima

    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE   18 ( 5 )   899 - 907   2007.5

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  • Preparation of cobalt-titanium dioxide nanocomposite films by combining inverse micelle method and plasma treatment

    Naoki Arimitsu, Akira Nakajima, Yoshikazu Kameshima, Yuko Shibayama, Hisashi Ohsaki, Kiyoshi Okada

    MATERIALS LETTERS   61 ( 11-12 )   2173 - 2177   2007.5

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  • Mn-Ce/ZSM5 as a new superior catalyst for NO reduction with NH3

    Gabriela Carja, Yoshikazu Kameshima, Kiyoshi Okada, Changalla D. Madhusoodana

    APPLIED CATALYSIS B-ENVIRONMENTAL   73 ( 1-2 )   60 - 64   2007.4

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  • P22.チタニア/スメクタイト複合体の細孔制御とその吸着特性(ポスターセッション,第50回粘土科学討論会発表論文抄録)

    亀島 欣一, 井川 史彦, 中島 章, 岡田 清

    粘土科学   46 ( 1 )   86 - 86   2007.2

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  • B12.バーミキュライト/アロフェン混合系で作製した保水性材料(一般講演 口頭発表,第50回粘土科学討論会発表論文抄録)

    松井 俊介, 磯部 敏宏, 亀島 欣一, 中島 章, 岡田 清

    粘土科学   46 ( 1 )   79 - 79   2007.2

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  • P21.多孔性の異なる層状複水酸化物からの層状複水酸化物/オレイン酸複合体の作製と耐酸性挙動(ポスターセッション,第50回粘土科学討論会発表論文抄録)

    小幡 宏美, 亀島 欣一, 中島 章, 岡田 清

    粘土科学   46 ( 1 )   85 - 85   2007.2

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  • 層状ナノクリスタル酸化マンガンと炭素の複合化による高機能電極材料の作製

    亀島 欣一

    (財)村田学術振興財団年報   21   49 - 56   2007

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  • 水と撥水性固体表面との相互作用に対する計算化学的検討

    亀島欣一

    中島「ナノウェッティング」プロジェクト 研究概要集   31 - 40   2007

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  • 環境に優しい層状物質:層状複水酸化物

    亀島 欣一

    マテリアルインテグレーション   20 ( 7-8 )   101 - 103   2007

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  • Preparation and Porous Properties of Mesoporous Silica from Selectively Acid-treated Saponite

    Kiyoshi OKADA, Hisako YOSHIZAKI, Yoshikazu KAMESHIMA, Akira NAKAJIMA, Chengala D. MADHUSOODANA

    J. Colloid Interf. Sci.   314 ( 1 )   176   2007

  • B12 バーミキュライトとアロフェンを利用した保水性材料の作製と保水性評価

    松井 俊介, 磯部 敏宏, 亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 50 )   110 - 111   2006.9

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  • P22 チタニア/スメタタイト複合体の細孔制御とその吸着特性

    亀島 欣一, 井川 史彦, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 50 )   188 - 189   2006.9

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  • P21 多孔性の異なる層状複水酸化物からの層状複水酸化物/オレイン酸複合体の作製と耐酸性挙動

    小幡 宏美, 亀島 欣一, 中島 章, 岡田 清

    粘土科学討論会講演要旨集   ( 50 )   186 - 187   2006.9

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  • 分子軌道法による水-撥水表面の相互作用の解析

    亀島欣一

    (財)神奈川科学技術アカデミー(KAST) 平成17年度研究概要   87-90   2006

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  • 微粒子・粉体の表面分析

    亀島 欣一

    日本セラミックス協会 原料部会講演会 講演要旨集   , , 1-8   2006

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  • B27. スメクタイト : 層状複水酸化物複合体のキャラクタリゼーション(第48回粘土科学討論会発表論文抄録)

    亀島 欣一, 新井 裕之, 中島 章, 岡田 清

    粘土科学   44 ( 2 )   97 - 97   2004.12

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  • P12. モンモリロナイト-酸化チタン複合体の作製と細孔構造・光触媒活性の評価(第48回粘土科学討論会発表論文抄録)

    田村 佳洋, 亀島 欣一, 中島 章, 岡田 清

    粘土科学   44 ( 2 )   99 - 99   2004.12

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  • P3. リン酸修飾アロフェンの重金属イオン除去特性(第48回粘土科学討論会発表論文抄録)

    西牟田 浩司, 亀島 欣一, 中島 章, 岡田 清, Kenneth Mackenzie

    粘土科学   44 ( 2 )   98 - 98   2004.12

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  • B10. 種々の粘土鉱物の選択溶解による活性化とそれらの固体酸性(第48回粘土科学討論会発表論文抄録)

    有光 直樹, 亀島 欣一, 中島 章, 岡田 清, Kenneth Mackenzie

    粘土科学   44 ( 2 )   93 - 93   2004.12

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  • A19 カオリンと石灰石の固相反応により調製した nCaO-Al_2Si_2O_7 の Ni イオン除去能

    岡田 清, Jha Vinay Kumar, 亀島 欣一, 中島 章

    粘土科学討論会講演要旨集   ( 47 )   68 - 69   2003.9

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  • メカノケミカル反応を利用した粉体合成とXPSによる表面反応の解析 (特集 各産業に見る粉粒体処理技術)

    岡田 清, 亀島 欣一, Temuujin Yoshikazu Jadambaa

    化学装置   43 ( 5 )   84 - 91   2001.5

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Research Projects

  • 磁性化処理で発現するゼオライトの特異な低磁場配向性の挙動解明と材料設計への応用

    Grant number:24K01587  2024.04 - 2028.03

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    松田 元秀, 鈴木 達, 下條 冬樹, 亀島 欣一, 與儀 護

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    Grant amount:\18460000 ( Direct expense: \14200000 、 Indirect expense:\4260000 )

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  • Development of novel porous materials for direct separation from crude oil

    Grant number:22K04828  2022.04 - 2025.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    亀島 欣一, 西本 俊介

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    Grant amount:\4160000 ( Direct expense: \3200000 、 Indirect expense:\960000 )

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  • Preparation of highly functional porous material by geopolymers based on natural zeolite

    Grant number:16K06722  2016.04 - 2019.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    Kameshima Yoshikazu

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    Grant amount:\4680000 ( Direct expense: \3600000 、 Indirect expense:\1080000 )

    In this study, we aimed to preparation of a geopolymer with natural zeolite and improve its functionality. The zeolite was heat-treated at 900 ° C, and cured in wet air in an aqueous solution of NaOH as an activator, and then, a hardened product was obtained. Natural exfoliation during curing was an indicator of geopolymerisation. The obtained hardened product was a geopolymer, and its physical properties were similar with those of previously reported geopolymers. Although the porosity could not be controlled by various additives and degassing, geopolymer with porosity up to about 40% was obtained by controlling the batch composition. From the comparison with clay minerals and glass powder with high silica content like zeolite, the zeolite was found to be suitable for the geopolymer material.

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  • TiO2-based underwater oleophobic surface for oil-water separation

    Grant number:26410241  2014.04 - 2017.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    NISHIMOTO Shunsuke

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    Grant amount:\5070000 ( Direct expense: \3900000 、 Indirect expense:\1170000 )

    Titanium dioxide photocatalyst is a promising material for oil-water separation filter. This study was conducted for clarifying the origin of its underwater oleophobicity. It was revealed that underwater oleophobicity of titanium dioxide surface can be reversibly changed by ultrasonic irradiation and ultraviolet irradiation.

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  • Fast oxide-ion conductor-assisted novel catalytic function

    Grant number:25630284  2013.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Challenging Exploratory Research

    MIYAKE Michihiro, KAMESIMA Yoshikazu, NISHIMOTO Shunsuke

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    Grant amount:\4030000 ( Direct expense: \3100000 、 Indirect expense:\930000 )

    Reforming reactions of bioethanol and biogas to hydrogen and carbon monoxide are industrially important, using Ni catalyst. Side reactions, however, cause carbon deposition and inactivation of the catalyst. In the study, catalyst supports with fast oxide-ion conductivity, which were expected to have resistance to carbon deposition. According to the results, it was found that LaGaO3-, LaAlO3- and BaTiO3-based oxides functioned as inhibitors, depressing carbon deposition. The function was likely due to the mobile oxide ions in the catalyst supports.

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  • Development of multi functions environment purification materials based on titania/clay composites

    Grant number:23560837  2011 - 2013

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (C)

    KAMESHIMA Yoshikazu, MIYAKE Michihiro, NISHIMOTO Shunsuke

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    Grant amount:\5460000 ( Direct expense: \4200000 、 Indirect expense:\1260000 )

    It was found that nitrogen doped or copper doped titanium dioxide/ clay composites developed the photocatalytic activity under the visible light radiation. About both organic materials in the aqueous solution and the vapor phase, N doped TiO2/clay composite showed higher photocatalytic activity under visible light radiation than a commercial N doped TiO2. On the other hand, Cu doped TiO2/clay composite had low photocatalytic activity in the aqueous solution, but it had higher photocatalytic activity than N doped TiO2/clay composite in the vapor phase. It was suggested that both these composites were promising material as environmental purification materials.

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  • Clarification of Layer-Anion Interaction of Layered Double Hydroxide for Realizing Highly Selective Anion Exchange

    Grant number:22350090  2010 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    SASAI Ryo, MORIYOSHI Chikako, IYI Nobuo, KAMESHIMA Yoshikazu, NORIMATSU Wataru

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    Grant amount:\19240000 ( Direct expense: \14800000 、 Indirect expense:\4440000 )

    For applying layered double hydroxide (LDH) with anion-exchangeable ability to water purification process, both anion exchange reaction experiments and crystal structure analysis of LDH consisting of Mg and Al (Mg/Al = 2), and Ni and Al (Ni/Al =2, 3, 4)synthesized by hydrothermal method were investigated. It could be found that Ni/Al ratio had remarkable influence on nitrate selectivity of Ni/Al-LDH. Moreover, it could be found that his remarkable nitrate selectivity could be caused by the difference of movability of incorporated anions in interlayer spaece.

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  • Development of Surface Functional Materials based on the Flow Dynamics at Solid Liquid Interface

    Grant number:19350066  2007 - 2008

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    NAKAJIMA Akira, KAMESHIMA Yoshikazu

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    Grant amount:\19370000 ( Direct expense: \14900000 、 Indirect expense:\4470000 )

    固体表面へのシランの平滑コーティング技術、内部流動の可視化技術を駆使することにより、ナノレベルの表面粗さ、表面エネルギーの分布、シランの表面被覆率、液体の粘性等が液滴のの転落挙動に及ぼす影響を明らかにした。また風圧による水滴の移動に関する基本的知見を取得し、耐摩耗性に優れた透明超撥水膜を設計した。更にナノリッターレベルの微小液滴を用いた蒸発の特徴づけを行い、転落挙動と結びつけた。これらを通じて、高速液滴滑落表面の設計に関する基本的な知見を得た。

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  • Preparation of Photocatalyst in Iron Oxide-Titania Solid Solution and Silica System through Two-Liquid Phase Separation

    Grant number:12555176  2000 - 2001

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    YASUMORI Atsuo, TSUKADA Takayuki, KAMESHIMA Yoshikazu

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    Grant amount:\9200000 ( Direct expense: \9200000 )

    In this study, the composite materials comprising continuous iron oxide-titania solid solution (Fe_<2-x>Ti_xO_3) phase were prepared by melting and quenching of the fired body in Fe_2O_3-TiO_2-SiO_2 system in order to fabricate a visible-light active photocatalyst.
    The fired bodies in the FeO-Fe_2O_3-TiO_2 ternary system were synthesized by use of the solid reaction process, and their crystalline phases, electric conductivities and photo-electrochemical properties were examined in order to search the optimum composition of iron oxide-titania solid solution as photocatalyst. The crystalline phase changed from spinel-type solid solution to α-phase type, and further to pseudo-brookite type with the decrease of the firing temperature and the increase of the amount of Ti component. The sample which contained both spinel-type and α-phase type solid solution showed high photocurrent density. Their density once increased with the ratio of α-phase type, and steeply decreased over about 60 % of the ratio. The decrement of the sinter ability of the sample caused the increase of the grain boundaries and voids. As a result, the photo-excited electrons and holes easily were apt to recombine.
    On the base of above results, the preparation of the photocatalyst comprising iron oxide-titania solid solution was tried by quenching the melt in Fe_2O_3-TiO_2-SiO_2 ternary system. The obtained glass ceramics had the phase separation texture comprising SiO_2 rich and Fe_2O_3-TiO_2 rich phases The relation between crystalline phase and electric conductivity of the obtained glass ceramics was examined. The crystalline phase changed from α-phase type to α-phase + pseudo-brookite types, further to α-phase + spinel type solid solution with the increase of the amount of Fe component at the constant value of SiO_2, and the electric conductivity increased in the same order. These results were good agreement with those of the fired body in above FeO-Fe_2O_3-TiO_2 ternary system. However, it was hard to control the crystalline phase in the obtained glass ceramics because of their inhomogeneity of the compositions, and to leach the only SiO_2 rich phase from them, selectively.
    The next plan of the study is to investigate the relationship between crystalline phase and photo-current density in the homogeneous sample, more fully, and to achieve the visible light active photocatalyst by selecting the optimum conditions of the preparation process.

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  • Preparation of Transition Metal Doped Titania-Silica photocatalyst through Two-Liquids Phase Separation

    Grant number:11450332  1999 - 2000

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    YASUMORI Atsuo, KAMESHIMA Yoshikazu

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    Grant amount:\6500000 ( Direct expense: \6500000 )

    In the system which has a stable two-liquid immiscibility region above its liquidus temperature, the variations of the holding temperature and the time of its melt can control the size and the composition of the phase separated texture of the quenched material. In this study, a visible light active photocatalyst, which comprises oxide semiconductor fine particles and glass matrix, was prepared through the quenching of the phase separated melt in TiO_2-SiO_2 system containing transition metal and the subsequent heat treatment and selective leaching.
    The Fe, Cr, V, Nb ions of 0.1-1 mass% to Ti were added to the granular TiO_2 photocatalysts comprising anatase phase which were synthesized by rapid quenching of phase-separated 40TiO_2-60SiO_2 (mass%) melts and subsequent selective reaching. The phase of TiO_2 was examined by XRD. The photocatalytic activities of the samples were also evaluated from the hydrogen generation from 20 vol% ethanol aqueous solution under the illumination of the 500W high pressure mercury lamp.
    The anatase ratios to rutile in the transition metal doped samples were smaller than that in non-doped one, though the relation between the ratio and the amount of transition metal was not clear. The hydrogen generation did occur by illumination of not the visible light but UV one. The generation rates of the doped samples were one tenth to five hundredth less than that of the non-doped sample (ca. 1.5 mmol・g^<-1>・h^<-1>) , and the rate decreased with increase of the amount of transition metals. As the degre6 of phase transition from anatase to rutile was not so much in the doped samples, the degradation of photocatalytic activity is considered to occur due to the recombination of photo-excited electrons and holes at the sites of the transition metal ions in the sample.

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  • Preparation of Intelligent Water Vapor Control Material by Selective Leaching Method

    Grant number:09450240  1997 - 1998

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    OKADA Kiyoshi, KAMESHIMA Yoshikazu, HAYASHI Shigeo

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    Grant amount:\12400000 ( Direct expense: \12400000 )

    Preparation of high functional porous materials was investigated by heat treatment and chemical treatment of kaolinite to utilize the wasted kaolinite used abundantly in paper as coating and filler materials. The kaolinite was heat treated to convert into metakaolinite and composite in gamma-alumina and amorphous silica, respectively. They were chemically treated by KOH and H_2SO_4 solutions at various temperatures and times. As a result, porous gamma-alumina was obtained by selective leaching of amorphous silica using KOH solution while porous silica was obtained by selective leaching of alumina using H_2SO_4 solution. The porous properties of the gamma-alumina was as follows ; specific surface area about 300 m^2/g, total pore volume about 0.7 ml/g and pore size about 5-6 nm. The pore size distribution was very sharp. The porous properties of the silica was as follows ; specific surface area about 400 m^2/g, total pore volume about 0.3 ml/g and pore size about 0.6 nm. Since the water vapor adsorption of the gamma-alumina showed steep increase from about 70% of relative humidity and the maximum adsorption was about 600 ml/g, it is considered as a candidate of intelligent vapor control material. On the other hand, since that of the silica showed steep increase from very low relative humidity and the maximum amount of adsorption was 1/3 of that of the gamma-alumina, this porous silica is not suitable as a vapor control material. The important factors to further improve intelligence of vapor control function were discussed on the basis of physical factors of porous properties and also chemical properties by surface modification.

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  • 噴霧熱分解粉体からの超耐熱性触媒担体の作製

    Grant number:09218223  1997

    日本学術振興会  科学研究費助成事業  重点領域研究

    岡田 清, 亀島 欣一, 安盛 敦雄

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    Grant amount:\1600000 ( Direct expense: \1600000 )

    これまで,アルミナ多孔体の耐熱性を向上させる目的で噴霧熱分解法について検討してきた.今年度は、γアルミナ微粒子を分散したサスペンションにY_2O_3,La_2O_3,BaOまたはSiO_2を添加成分として溶解した母液を2流体ノズル方式の噴霧熱分解装置を用いて噴霧熱分解して中空球状のアルミナ質粉体を調製し,それらの耐熱性について調べた.噴霧熱分解の条件は;噴霧溶液濃度:0.20mol/l,溶液流量:16ml/min,気体流量:21.4l/min,噴霧温度:900℃,添加成分量:0.5〜10atom%である.得られた粉体はいずれも中空球状で,数μm程度の大きさであった.As-sprayed粉体の比表面積(BET)はいずれも約150m^2/gで,成分添加による比表面積への影響はほとんどなかった.
    噴霧熱分解粉体を一軸プレスして成形体とし,これを1000〜1500℃2時間処理し,焼成体の比表面積と細孔径分布を窒素ガスのBET方とBJH法により測定した.その結果,熱処理温度が1400℃までは添加物を加えた効果が明らかに認められた.その効果は,Y_2O_3<La_2O_3<BaO≦SiO_2の順に高く,添加成分がγアルミナ微粒子表面を被覆することによりγアルミナ微粒子同士の接触が妨げられ,αアルミナへの相転移が抑制されることにより耐熱性が向上することが明らかとなった.一方,1400℃以上の温度では添加効果は無くなり,かえって比表面積が低下する傾向が認められた.この理由として,表面に添加成分を偏析させたため,その濃度勾配により添加成分が拡散しやすくなり,焼結が促進されたことが考えられた.つまり,添加物の効果としては,プラスの面とマイナスの面があり,多孔体を使用する温度範囲を考慮する必要のあることが分かった.

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  • 噴霧熱分解法粉体からの超耐熱性触媒担体の作製

    Grant number:08232233  1996

    日本学術振興会  科学研究費助成事業  重点領域研究

    岡田 清, 亀島 欣一, 安盛 敦雄

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    高耐熱性のアルミナ多孔体を作製する目的で2流体ノズル方式の噴霧熱分解装置を用いて様々なアルミニウム塩水溶液を噴霧熱分解し,中空球状のアルミナ粉体を調製した.検討した調製条件は;噴霧溶液:塩化アルミニウム,硝酸アルミニウム,硫酸アルミニウム,アンモニウム明礬,蓚酸アルミニウムの水溶液,市販のγアルミナを分散したスラリー,噴霧溶液濃度:0.20mol/l,溶液流量:16ml/min,気体流量:21.4〜59l/min,噴霧温度:900℃.得られた粉体はいずれも中空球状で,塩化物と蓚酸塩では数μm,硝酸塩と硫酸塩では10μm程度の大きさであった.球殻の厚さは蓚酸塩が最も厚く,硝酸塩が最も薄かった.粉体の比表面積(BET)は数〜114m^2/gで,塩化物を噴霧した試料で最も大きくなった.
    噴霧熱分解した粉体を一軸プレスして成形体とし,これを1000〜1700℃に熱処理し,焼成体の比表面積と細孔径分布を水銀圧入法及びBET法により測定した.その結果,1500℃熱処理後の比表面積は塩化物試料で最も高く,約10m^2/gであった.この高い耐熱性は作製した中空粒子の充填状態によっても変化し,充填率が高くなるよう粒径に適度な分布をもたせた粉体の方が耐熱性が高くなることが明らかとなった.また,細孔径の大きさと中空粒子の大きさの関係から,試料中にできている細孔は中空粒子の殻を形成している一次粒子の粒子間隙に対応し,その大きさが小さいほど比表面積が大きくなる関係を示すことが分かった.これらの細孔は熱処理により徐々に大きくなったが,作製時に小さな細孔ができている試料ほど熱処理後の比表面積は大きかった.これらの結果から,多孔体の耐熱性を向上させるためには噴霧粉体にできる細孔を小さくすることが重要であることが明らかとなった.

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  • 分相現象を利用した異方性磁気・光学特性を発現する新ガラス材料の作製

    Grant number:08650778  1996

    日本学術振興会  科学研究費助成事業  基盤研究(C)

    安盛 敦雄, 亀島 欣一

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    Grant amount:\2100000 ( Direct expense: \2100000 )

    本研究では,液相線以上の温度での核生成-成長機構による分相現象を利用した高次構造の材料を作製するための基礎研究として,液相線以上で分相するFeO・Fe_2O_3--SiO_2系を選択し,酸液の分相状態を凍結したガラスを作製し,特に溶融条件と分相組織の関係を明らかにすることを目的とした.
    FeO・Fe_2O_3--SiO_2系ガラス(モル比3:97,5:95)の作製では,溶融過程での鉄イオンの価数変化による発泡現象などを防ぐため,湿式混合法(原料;マグネタイト,α-石英)で粉体の調製を行い,得られた粉体を静水圧プレス成形後に還元雰囲気下で焼結することにより2価の鉄イオンからなるフアイアライト(Fe_2SiO_4)を含む試料棒を作製し,試料棒をキセノンアーク赤外線集光加熱装置によりAr雰囲気下で溶融した.融液を所定時間保持した後,融液を急冷・ガラス化した.得られたガラスの結晶化,ガラス化の有無については粉末X線回折により,試料中の分相組織については走査型電子顕微鏡+画像処理を用いて評価を行った.
    ほとんどの試料の粉末X線回折パターンはハロ-のみを示し,試料がガラス化していることが確認された.安定不混和領域より高温と思われる2300℃で溶融・保持後急冷した試料には分相組織は見られなかったが,2300℃または2200℃保持後,安定不飽和領域内と思われる1800〜1700℃で融液を保持し分相させた後急冷した試料中には,核生成-成長機構により生じたと思われるFe-rich相からなる球状分相粒子が確認された.また分相処理時間が長くなるに連れて分相粒子が成長する様子が確認された.以上の結果より液-液分相現象を利用して,融液温度,分相処理時間を変化させることにより分相粒子の粒径や組成を制御し,ガラス中に高次構造が構築できる可能性が高いことが明らかになった.

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  • Preparation of New Molecular Sieve Material by Selective Leaching Method

    Grant number:07455263  1995 - 1996

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    OKADA Kiyoshi, KAMESHIMA Yoshikazu, HAYASHI Shigeo

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    Grant amount:\4900000 ( Direct expense: \4900000 )

    Mesoporous gamma-alumina was prepared by a new synthetic method, i.e. calcining kaolin minerals at around 1000゚C to form fine microtexture with dispersing very fine gamma-alumina grains in amorphous silica matrix and selectively leaching amorphous silica properly using KOH solution to evolve uniform mesopores within the pseudomorph particles of the starting materials. Pore structure with very sharp pore size distribution at several nm in size was obtained by this selective leaching method when it was synthesized using kaolinite from Georgia, U.S.A.as the starting material, calcining at 1000゚C and selective leaching at 90゚C for 1h by 4M KOH solution. The porous gamma-alumina had characteristic properties to show more uniform pore size and larger pore volume than those of various gamma-alumina reported so far. Therefore, the water vapor adsorption-desorption isotherms of the gamma-alumina at room temperature showed very steep increase of adsorption at around relative humidity (RH) of 80% by capillary condensation and reached maximum adsorption of ca.600ml (STP) /g at RH of 90%. On the other hand, desorption of condensed water from mesopores in the gamma-alumina occurred suddenly at RH of 70%. Since the very quick adsorption and desorption of water vapor in the gamma-alumina was understood due to capillary condensation and evaporation owing to the uniform mesopores, mesoporous gamma-alumina with molecular sieve properties was considered to be prepared by the present selective leaching method.

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  • 非対称多孔質基板上に担持したチタニア薄膜光触媒による水の完全光分解

    Grant number:07651012  1995

    日本学術振興会  科学研究費助成事業  一般研究(C)

    安盛 敦雄, 亀島 欣一

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    Grant amount:\2300000 ( Direct expense: \2300000 )

    本研究ではアルミナ質非対称多孔質基板上に白金薄膜及びTiO_2薄膜をスパッター法及びゾルゲル法を用いてコーティングすることにより多層構造を持つ光触媒を作製した。また種々の測定手段を用いて得られた試料のキャラクタリゼーションを行うとともに,光照射による水溶液中からの水素発生量を測定し試料の光触媒特性を評価した。
    まずXPS測定,FE-SEM観察などの結果より,TiO_2薄膜の厚さを約20〜350nmまで制御して作製できること,350℃以上での熱処理により触媒活性の高いAnatase相TiO_2が得られることが分かった。またエタノール水溶液中での光照射による水素発生実験を行った結果,TiO_2単位質量当たりの水素発生速度は最大0.20mol/hであった。この値を市販の一般的なPt担持TiO_2(Anatase)微粒子の測定値と比較した結果,水素発生速度が約8倍になっていることが分かった。一方,白金基板上に同様の方法でTiO_2薄膜を作製しKCl水溶液中でのポテンショスタットを用いた電気化学的電流-電位測定を行った結果,光電流値は照射光量に対する応答性を示し,フラットバンド電位は-0.5〜-0.7VvsSCEの値が得られ,TiO_2相の伝導帯下端の電位は水の還元電位(H^+/H_2)より負側にあることを確認した。さらにマグネトロンスパッター装置を用いてガラス基板にコートした金属Ti薄膜あるいは金属Ti基板上にTiO_2薄膜を形成した試料を作製し電気化学的電流-電位測定を行った結果,光電流値が白金基板上にコートした場合と比較して約20倍になっていることが分かった。
    以上の結果より非対称多孔質基板上に白金・TiO_2薄膜をヲコートした多層構造の光触媒が高い光触媒活性を持つことが明らかになった。今後は各薄膜をさらに高度に複合化することにより,より高活性の光触媒材料を得られるものと考えられる。

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  • 噴霧熱分解粉体からの超耐熱性触媒材料の作製

    Grant number:07242230  1995

    日本学術振興会  科学研究費助成事業  重点領域研究

    岡田 清, 亀島 欣一, 安盛 敦雄

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    Grant amount:\2000000 ( Direct expense: \2000000 )

    様々なアルミニウム塩水溶液を2流体ノズル方式の噴霧熱分解装置を用いて噴霧熱分解し,中空球状のアルミナ粉体を調製した.検討した調製条件は;噴霧溶液:塩化アルミニウム,硝酸アルミニウム,硫酸アルミニウム,アンモニウム明礬,蓚酸アルミニウムの水溶液,噴霧溶液濃度:0.2及び2.0mol/1,溶液流量:16ml/min,気体流量:21.41/min,噴霧温度:700〜100℃.得られた粉体はいずれも中空球状で,塩化物と蓚酸塩では数μm,硝酸塩と硫酸塩では10μソ程度の大きさであった.球殻の厚さは蓚酸塩が最も厚く,硝酸塩が最も薄かった.粉体の比表面積(BET)は数〜114m^2/gで,塩化物が最も大きかった.粉体の耐熱性を調べるため1400℃2時間熱処理したところ,中空状の形態を保ったまま非晶質またはアルミニウム塩→γアルミナ→αアルミナと相変化することが明らかとなった。
    噴霧熱分解粉体を一軸プレスまたは静水圧プレスして成形体とし、これを1000〜1700℃に熱処理し,焼成体の気孔率及び比表面積と気孔径分布を水銀圧入法及びBET法により測定した.その結果,気孔率は成形体で約80%で,1600℃で熱処理しても60%以上の気孔率が維持されており,その大部分は開気孔であることから,従来法と比べ優れた耐熱性を有していると判断された.1500℃熱処理後の比表面積は塩化物試料で最も高く,約10m^2/gであった.この値はαアルミナの比表面積としてはこれまでの報告値よりも高く,この粉体を用いて作製した多孔体は耐熱性に優れていると結論された.また,1600℃焼成試料の曲げ強度は最大で約30MPaであり,気化汽笛性質にも優れていることが明らかとなった.

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  • Internship in Environmental Chemistry B (2020academic year) special  - その他

  • Introduction to Environmental Chemistry and Materials (2020academic year) 1st and 2nd semester  - 金6

  • Introduction to Environmental Chemistry and Materials I (2020academic year) 1st semester  - 金6

  • Introduction to Environmental Chemistry and Materials II (2020academic year) Second semester  - 金6

  • Phase Equilibria (2020academic year) Fourth semester  - 火1,火2

  • Seminar on Laboratory Work (2020academic year) 1st-4th semester  - その他

  • Seminar on Laboratory Work (2020academic year) Other  - その他

  • Quantum Chemistry I (2020academic year) Second semester  - 火6,火7

  • Electrochemistry II (2020academic year) 1st semester  - 木2,木3

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