Tokyo Institute of Technology   Institute of Innovative Research

2016.12 - 2023.3

Okayama University   The Graduate School of Natural Science and Technology, (Doctor Course) Division of Industrial Innovation Sciences   Professor

2012.10 - 2023.3

Universiti Teknologi MARA (UiTM)   Visiting Professor

2012.1 - 2012.9

Nagoya Institute of Technology   Graduate School of Engineering   Associate Professor

2008.4 - 2012.9

Nagoya Institute of Technology   Graduate School of Engineering, Environmental Technology & Urban Planning   Associate Professor

2007.4 - 2008.3

Nagoya Institute of Technology   Graduate School of Engineering, Environmental Technology & Urban Planning   Research Assistant

1999.4 - 2007.3

市邨学園短期大学（現名古屋経済大学短期大学部）   非常勤講師

1998.4 - 1999.3

日本モトローラ株式会社 -

1992.4 - 1996.2

独立行政法人 情報通信機構   研究評価委員会委員  

2007.4 - 2011.3   

電子情報通信学会   基礎境界ソサイエティー 第3種研究会 幹事  

2001.4 - 2003.3   

財団法人 ファインセラミックスセンター   研究開発推進委員会委員  

2000.4 - 2001.3   

Optical bandgap tuning in SnO2–MoS2 nanocomposites: manipulating the mass of SnO2 and MoS2 using sonochemical solution mixing Reviewed

Chinkhai Ong, Weng Nam Lee, Yee Seng Tan, Patrik Ohberg, Yasuhiko Hayashi, Takeshi Nishikawa, Yuenkiat Yap

Journal of Materials Science: Materials in Electronics   36 ( 1 )   2024.12

Enhanced piezo-response of mixed-cation copper perovskites with Cl/Br halide engineering Reviewed

Amr Elattar, Christopher Munoz, Libor Kobera, Andrii Mahun, Jiri Brus, Mohammed Jasim Uddin, Yasuhiko Hayashi, Okenwa Okoli, Tarik Dickens

Materials Advances   5 ( 22 )   8953 - 8960   2024.10

Photoinduced dynamics during electronic transfer from narrow to wide bandgap layers in one-dimensional heterostructured materials Reviewed

Yuri Saida, Thomas Gauthier, Hiroo Suzuki, Satoshi Ohmura, Ryo Shikata, Yui Iwasaki, Godai Noyama, Misaki Kishibuchi, Yuichiro Tanaka, Wataru Yajima, Nicolas Godin, Gaël Privault, Tomoharu Tokunaga, Shota Ono, Shin-ya Koshihara, Kenji Tsuruta, Yasuhiko Hayashi, Roman Bertoni, Masaki Hada

Nature Communications   15 ( 1 )   2024.5

Phenolphthalein: A Potent Small-Molecule Additive for High-Performance and Ambient-Air-Stable FAPbI₃ Perovskite Solar Cells Reviewed

Hytham Elbohy, Hiroo Suzuki, Takeshi Nishikawa, Aung Ko Ko Kyaw, Yasuhiko Hayashi

ACS Applied Energy Materials   2024.3

N‐DMBI Doping of Carbon Nanotube Yarns for Achieving High n‐Type Thermoelectric Power Factor and Figure of Merit Reviewed

Hiroo Suzuki, Jun Kametaka, Shinya Nakahori, Yuichiro Tanaka, Mizuki Iwahara, Haolu Lin, Sergei Manzhos, Aung Ko Ko Kyaw, Takeshi Nishikawa, Yasuhiko Hayashi

Small Methods   8   2301387   2024.3

Influence of Dilution Upon the Ultraviolet-Visible Peak Absorbance and Optical Bandgap Estimation of Tin(IV) Oxide and Tin(IV) Oxide-Molybdenum(IV) Sulfide Solutions Reviewed

Chin Khai Ong, Weng Nam Lee, Mohammad Khalid, Muhammad Amirul Aizat Mohd Abdah, Patrik Ohberg, Ling Hong Lim, Yasuhiko Hayashi, Takeshi Nishikawa, Yuenkiat Yap

Analytical Letters   58 ( 2 )   196 - 212   2024.2

Lead-free iron-doped Cs₃Bi₂Br₉ perovskite with tunable properties Reviewed

Thiri Htun, Amr Elattar, Hytham Elbohy, Kosei Tsutsumi, Kazumasa Horigane, Chiyu Nakano, Xiaoyu Gu, Hiroo Suzuki, Takeshi Nishikawa, Aung Ko Ko Kyaw, Yasuhiko Hayashi

RSC Advances   14 ( 32 )   23177 - 23183   2024

Benzophenone: A Small Molecule Additive for Enhanced Performance and Stability of Inverted Perovskite Solar Cells. Reviewed International journal

Hytham Elbohy, Hiroo Suzuki, Takeshi Nishikawa, Thiri Htun, Kosei Tsutsumi, Chiyu Nakano, Aung Ko Ko Kyaw, Yasuhiko Hayashi

ACS applied materials & interfaces   15 ( 38 )   45177 - 45189   2023.9

Intermediate State between MoSe₂ and Janus MoSeS during Atomic Substitution Process Reviewed

Hiroo Suzuki, Yijun Liu, Masaaki Misawa, Chiyu Nakano, Yingzhe Wang, Ryo Nakano, Kentaro Ishimura, Kenji Tsuruta, Yasuhiko Hayashi

Nano Letters   23 ( 10 )   4533 - 4540   2023.5

Self-Limiting Growth of Monolayer Tungsten Disulfide Nanoribbons on Tungsten Oxide Nanowires Reviewed

Hiroo Suzuki, Misaki Kishibuchi, Masaaki Misawa, Kazuma Shimogami, Soya Ochiai, Takahiro Kokura, Yijun Liu, Ryoki Hashimoto, Zheng Liu, Kenji Tsuruta, Yasumitsu Miyata, Yasuhiko Hayashi

ACS Nano   17 ( 10 )   9455 - 9467   2023.5

Integration of Wireless Power Transfer Technology With Hierarchical Multiwalled Carbon Nanotubes-Polydimethylsiloxane Piezo-Responsive Pressure Sensor for Remote Force Measurement Reviewed

Saman Azhari, Kouki Kimizuka, Gábor Méhes, Yuki Usami, Yasuhiko Hayashi, Hirofumi Tanaka, Takeo Miyake

IEEE Sensors Journal   23 ( 7 )   7902 - 7909   2023.4

Dispersion stability of tin(IV) oxide nanoparticles in polar solvents and water aided by ultrasonication Reviewed

Chinkhai Ong, Wengnam Lee, Linghong Lim, Wuyi Chong, Jingwen Chew, Yasuhiko Hayashi, Takeshi Nishikawa, Patrik Öhberg, Harith Ahmad, Yuenkiat Yap

Japanese Journal of Applied Physics   62 ( 3 )   035002 - 035002   2023.3

Zinc‐Based Metal–Organic Frameworks for High‐Performance Supercapacitor Electrodes: Mechanism Underlying Pore Generation Reviewed

Shigeyuki Umezawa, Takashi Douura, Koji Yoshikawa, Daisuke Tanaka, Vlad Stolojan, S. Ravi P. Silva, Mika Yoneda, Kazuma Gotoh, Yasuhiko Hayashi

ENERGY & ENVIRONMENTAL MATERIALS   2023.3

Tin(IV) Oxide as a Saturable Absorber for Mode-Locking of Fiber Laser Reviewed

C. Ong, Y. Yap, W. Chong, J. Chew, W. Lee, L. Lim, Y. Hayashi, T. Nishikawa, P. Ohberg, H. Ahmad

Optica Advanced Photonics Congress 2022   2022.12

Mixed-halide copper-based perovskite R2Cu(Cl/Br)(4) with different organic cations for reversible thermochromism Reviewed

Amr Elattar, Kosei Tsutsumi, Hiroo Suzuki, Takeshi Nishikawa, Aung Ko Ko Kyaw, Yasuhiko Hayashi

NEW JOURNAL OF CHEMISTRY   46 ( 45 )   21737 - 21745   2022.11

Characteristics of Vertical Ga2O3 Schottky Junctions with the Interfacial Hexagonal Boron Nitride Film Reviewed

Venkata Krishna Rao Rama, Ajinkya K. Ranade, Pradeep Desai, Bhagyashri Todankar, Golap Kalita, Hiroo Suzuki, Masaki Tanemura, Yasuhiko Hayashi

ACS Omega   7 ( 30 )   26021 - 26028   2022.8

Structure modulation for bandgap engineered vacancy-ordered Cs3Bi2Br9 perovskite structures through copper alloying Reviewed

Amr Elattar, Libor Kobera, Jiban Kangsabanik, Hiroo Suzuki, Sabina Abbrent, Takeshi Nishikawa, Kristian S. Thygesen, Jiri Brus, Yasuhiko Hayashi

Journal of Materials Chemistry C   10 ( 35 )   12863 - 12872   2022.8

Copper-incorporation for polytypism and bandgap engineering of MAPbBr3 perovskite thin films with enhanced near-Infrared photocurrent-response Reviewed

Amr Elattar, Jiban Kangsabanik, Kodai Nakao, Kosei Tsutsumi, Hiroo Suzuki, Takeshi Nishikawa, Kristian S. Thygesen, Yasuhiko Hayashi

Materials Chemistry Frontiers   6 ( 18 )   2690 - 2702   2022.8

Surface Diffusion-Limited Growth of Large and High-Quality Monolayer Transition Metal Dichalcogenides in Confined Space of Microreactor. Reviewed International journal

Hiroo Suzuki, Ryoki Hashimoto, Masaaki Misawa, Yijun Liu, Misaki Kishibuchi, Kentaro Ishimura, Kenji Tsuruta, Yasumitsu Miyata, Yasuhiko Hayashi

ACS nano   2022.7

Enhancement of the mechanical and thermal transport properties of carbon nanotube yarns by boundary structure modulation Reviewed

Ryo Shikata, Hiroo Suzuki, Yuta Hayashi, Taisuke Hasegawa, Yuho Shigeeda, Hirotaka Inoue, Wataru Yajima, Jun Kametaka, Mitsuaki Maetani, Yuichiro Tanaka, Takeshi Nishikawa, Satoshi Maeda, Yasuhiko Hayashi, Masaki Hada

NANOTECHNOLOGY   33 ( 23 )   2022.6

Generation of sub-100 fs electron pulses for time-resolved electron diffraction using a direct synchronization method Reviewed

Kou Takubo, Samiran Banu, Sichen Jin, Misaki Kaneko, Wataru Yajima, Makoto Kuwahara, Yasuhiko Hayashi, Tadahiko Ishikawa, Yoichi Okimoto, Masaki Hada, Shinya Koshihara

Review of Scientific Instruments   93 ( 5 )   053005 - 053005   2022.5

Single Crystals of Mixed-Cation Copper-Based Perovskite with Trimodal Bandgap Behavior Reviewed

Amr Elattar, Wenhui Li, Hiroo Suzuki, Takashi Kambe, Takeshi Nishikawa, Aung Ko Ko Kyaw, Yasuhiko Hayashi

CHEMISTRY-A EUROPEAN JOURNAL   28 ( 26 )   2022.5

Highly Oriented Carbon Nanotube Supercapacitors Reviewed

Kohei Komatsubara, Hiroo Suzuki, Hirotaka Inoue, Misaki Kishibuchi, Shona Takahashi, Tatsuki Marui, Shigeyuki Umezawa, Tomohiro Nakagawa, Kyohei Nasu, Mitsuaki Maetani, Yuichiro Tanaka, Miyato Yamada, Takeshi Nishikawa, Yoshifumi Yamashita, Masaki Hada, Yasuhiko Hayashi

ACS Applied Nano Materials   2022.1

Temperature-dependent device properties of γ-CuI and β-Ga2O3 heterojunctions Reviewed

Rama Venkata Krishna Rao, Ajinkya K. Ranade, Pradeep Desai, Golap Kalita, Hiroo Suzuki, Yasuhiko Hayashi

SN Applied Sciences   3 ( 10 )   2021.10

Supercapacitor electrode with high charge density based on boron-doped porous carbon derived from covalent organic frameworks Reviewed

Shigeyuki Umezawa, Takashi Douura, Koji Yoshikawa, Yohei Takashima, Mika Yoneda, Kazuma Gotoh, Vlad Stolojan, S. Ravi P. Silva, Yasuhiko Hayashi, Daisuke Tanaka

Carbon   184   418 - 425   2021.10

Challenges for developing photo-induced phase transition (PIPT) systems: From classical (incoherent) to quantum (coherent) control of PIPT dynamics Invited Reviewed

Shinya Koshihara, Tadahiko Ishikawa, Yoichi Okimoto, Ken Onda, Ryo Fukaya, Masaki Hada, Yasuhiko Hayashi, Sumio Ishihara, Tadeusz Luty

Physics Reports   2021.10

Photoinduced oxygen transport in cobalt double-perovskite crystal EuBaCo2O5.39 Reviewed

Masaki Hada, Satoshi Ohmura, Tadahiko Ishikawa, Masaki Saigo, Naoya Keio, Wataru Yajima, Tatsuya Suzuki, Daisuke Urushihara, Kou Takubo, Yusuke Masaki, Makoto Kuwahara, Kenji Tsuruta, Yasuhiko Hayashi, Jiro Matsuo, Takayoshi Yokoya, Ken Onda, Fuyuki Shimojo, Muneaki Hase, Sumio Ishihara, Toru Asaka, Nobuyuki Abe, Taka-hisa Arima, Shin-ya Koshihara, Yoichi Okimoto

Applied Materials Today   24   101167 - 101167   2021.9

Memristive Behavior in One-Dimensional Hexagonal Boron Nitride/Carbon Nanotube Heterostructure Assemblies Reviewed

Hiroo Suzuki, Misaki Kishibuchi, Kazuma Shimogami, Mitsuaki Maetani, Kyohei Nasu, Tomohiro Nakagawa, Yuichiro Tanaka, Hirotaka Inoue, Yasuhiko Hayashi

ACS Applied Electronic Materials   3 ( 8 )   3555 - 3566   2021.8

Improved room-temperature thermoelectric characteristics in F4TCNQ-doped CNT yarn/P3HT composite by controlled doping Reviewed

May Thu Zar Myint, Takeshi Nishikawa, Hirotaka Inoue, Kazuki Omoto, Aung Ko Ko Kyaw, Yasuhiko Hayashi

Organic Electronics   90   106056 - 106056   2021.3

Single crystal of two-dimensional mixed-halide copper-based perovskites with reversible thermochromism Reviewed

Amr Elattar, Hiroo Suzuki, Ryuji Mishima, Kodai Nakao, Hiromi Ota, Takeshi Nishikawa, Hirotaka Inoue, Aung Ko Ko Kyaw, Yasuhiko Hayashi

Journal of Materials Chemistry C   9 ( 9 )   3264 - 3270   2021.2

Nanostructural characterization of carbon nanotube yarn high-strengthened by joule heating Reviewed

Takaya Tezuka, Norio Mori, Takuya Murayama, Takuma Sano, Tomohiro Nakagawa, Hirotaka Inoue, Yasuhiko Hayashi, Toru Kuzumaki

Carbon   171   437 - 443   2021.1

A mechanistic investigation of moisture-induced degradation of methylammonium lead iodide Reviewed

Masaki Hada, Md. Abdullah Al Asad, Masaaki Misawa, Yoichi Hasegawa, Ryota Nagaoka, Hiroo Suzuki, Ryuji Mishima, Hiromi Ota, Takeshi Nishikawa, Yoshifumi Yamashita, Yasuhiko Hayashi, Kenji Tsuruta

Applied Physics Letters   117 ( 25 )   253304 - 253304   2020.12

Phonon transport probed at carbon nanotube yarn/sheet boundaries by ultrafast structural dynamics Reviewed

Masaki Hada, Kotaro Makino, Hirotaka Inoue, Taisuke Hasegawa, Hideki Masuda, Hiroo Suzuki, Keiichi Shirasu, Tomohiro Nakagawa, Toshio Seki, Jiro Matsuo, Takeshi Nishikawa, Yoshifumi Yamashita, Shin-ya Koshihara, Vlad Stolojan, S. Ravi P. Silva, Jun-ichi Fujita, Yasuhiko Hayashi, Satoshi Maeda, Muneaki Hase

Carbon   170   165 - 173   2020.12

Super-chiral vibrational spectroscopy with metasurfaces for high-sensitive identification of alanine enantiomers Reviewed

Takumi Iida, Atsushi Ishikawa, Takuo Tanaka, Atsuya Muranaka, Masanobu Uchiyama, Yasuhiko Hayashi, Kenji Tsuruta

Applied Physics Letters   117 ( 10 )   101103 - 101103   2020.9

Synthesis of solvent-free conductive and flexible cellulose–carbon nanohorn sheets and their application as a water vapor sensor Reviewed

Karthik Paneer selvam, Tomohiro Nakagawa, Tatsuki Marui, Hirotaka Inoue, Takeshi Nishikawa, Yasuhiko Hayashi

Materials Research Express   7 ( 5 )   056402   2020.5

Controlling Electronic States of Few-walled Carbon Nanotube Yarn via Joule-annealing and p-type Doping Towards Large Thermoelectric Power Factor. Reviewed International journal

May Thu Zar Myint, Takeshi Nishikawa, Kazuki Omoto, Hirotaka Inoue, Yoshifumi Yamashita, Aung Ko Ko Kyaw, Yasuhiko Hayashi

Scientific reports   10 ( 1 )   7307 - 7307   2020.4

Whitish daytime radiative cooling using diffuse reflection of non-resonant silica nanoshells Reviewed

Takahiro Suichi, Atsushi Ishikawa, Takuo Tanaka, Yasuhiko Hayashi, Kenji Tsuruta

Scientific Reports   10   6486   2020.4

Systematic Investigations of Annealing and Functionalization of Carbon Nanotube Yarns Reviewed

Maik Scholz, Yasuhiko Hayashi, Victoria Eckert, Vyacheslav Khavrus, Albrecht Leonhardt, Bernd Büchner, Michael Mertig, Silke Hampel

Molecules   25 ( 5 )   1144 - 1144   2020.3

The critical role of the forest morphology for dry drawability of few-walled carbon nanotubes Reviewed

Hirotaka Inoue, Masaki Hada, Tomohiro Nakagawa, Tatsuki Marui, Takeshi Nishikawa, Yoshifumi Yamashita, Yoku Inoue, Kazuhiko Takahashi, Yasuhiko Hayashi

CARBON   158   662 - 671   2020.3

Liquid-like dielectric response is an origin of long polaron lifetime exceeding ten microseconds in lead bromide perovskites Invited Reviewed

Kiyoshi Miyata, Ryota Nagaoka, masaki hada, Takanori Tanaka, Ryuji Mishima, Taihei Kuroda, Sota Sueta, Takumi Iida, Yoshifumi Yamashita, Takeshi Nishikawa, Kenji Tsuruta, Yasuhiko Hayashi, Ken Onda, Toshihiko Kiwa, Takashi Teranishi

The Journal of Chemical Physics   152 ( 8 )   084704 - 084704   2020.2

A review of dry spun carbon nanotube yarns and their potential applications in energy and mechanical devices Invited Reviewed

Yasuhiko Hayashi, Yusuke Chiba, Hirotaka Inoue, Masaki Hada, Takeshi Nishikawa

Journal of Fiber Science and Technology   76 ( 2 )   72 - 78   2020

Reverse Engineering of Thin Films to Nanoparticles by Thermal Deposition for Large-Scale Production of Nanometals Reviewed

Karthik Paneer Selvam, Zaw Lin, Inoue Hirotaka, Marui Tatsuki, Takeshi Nishikawa, Yasuhiko Hayashi

JOURNAL OF NANO RESEARCH   61   42 - 50   2020

Synthesis and characterization of conductive flexible cellulose carbon nanohorn sheets for human tissue applications. International journal

Karthik Paneer Selvam, Taichi Nagahata, Kosuke Kato, Mayuko Koreishi, Toshiyuki Nakamura, Yoshimasa Nakamura, Takeshi Nishikawa, Ayano Satoh, Yasuhiko Hayashi

Biomaterials research   24   18 - 18   2020

One-Minute Joule Annealing Enhances the Thermoelectric Properties of Carbon Nanotube Yarns via the Formation of Graphene at the Interface Reviewed

Masaki Hada, Taisuke Hasegawa, Hirotaka Inoue, Makito Takagi, Kazuki Omoto, Daiki Chujo, Shogo Iemoto, Taihei Kuroda, Taiga Morimoto, Takuma Hayashi, Toru Iijima, Tomoharu Tokunaga, Naoshi Ikeda, Kazuhiro Fujimori, Chihiro Itoh, Takeshi Nishikawa, Yoshifumi Yamashita, Toshihiko Kiwa, Shin-ya Koshihara, Satoshi Maeda, Yasuhiko Hayashi

ACS APPLIED ENERGY MATERIALS   2 ( 10 )   7700 - 7708   2019.10

Selective Reduction Mechanism of Graphene Oxide Driven by the Photon Mode versus the Thermal Mode Reviewed

Masaki Hada, Kiyoshi Miyata, Satoshi Ohmura, Yusuke Arashida, Kohei Ichiyanagi, Ikufumi Katayama, Takayuki Suzuki, Wang Chen, Shota Mizote, Takayoshi Sawa, Takayoshi Yokoya, Toshio Seki, Jiro Matsuo, Tomoharu Tokunaga, Chihiro Itoh, Kenji Tsuruta, Ryo Fukaya, Shunsuke Nozawa, Shin-ichi Adachi, Jun Takeda, Ken Onda, Shin-ya Koshihara, Yasuhiko Hayashi, Yuta Nishina

ACS NANO   13 ( 9 )   10103 - 10112   2019.9

Ultrafast isomerization-induced cooperative motions to higher molecular orientation in smectic liquid-crystalline azobenzene molecules Reviewed

Masaki Hada, Daisuke Yamaguchi, Tadahiko Ishikawa, Takayoshi Sawa, Kenji Tsuruta, Ken Ishikawa, Shin Ya Koshihara, Yasuhiko Hayashi, Takashi Kato

Nature communications   10   4159   2019.9

Influence of pressure of nitrogen gas on structure and thermoelectric properties of acid-treated PEDOT:PSS films Reviewed

May Thu Zar Myint, Hirotaka Inoue, Susumu Ichimura, Takeshi Nishikawa, Yuta Nishina, Aung Ko Ko Kyaw, Yasuhiko Hayashi

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   30 ( 14 )   13534 - 13542   2019.7

Temperature dependence of pressure-driven water permeation through membranes consisting of vertically-aligned double-walled carbon nanotube arrays Reviewed

Shiho Shirahama, Shaoling Zhang, Motohiro Aiba, Hirotaka Inoue, Masaki Hada, Yasuhiko Hayashi, Kenjiro Hata, Shuji Tsuruoka, Hidetoshi Matsumoto

CARBON   146   785 - 788   2019.5

Transistor Application and Intercalation Chemistry of π-Conjugated Hydrocarbon Molecules

Yoshihiro Kubozono, Shino Hamao, Takahiro Mikami, Yuma Shimo, Yasuhiko Hayashi, Hideki Okamoto

Physics and Chemistry of Carbon-Based Materials   229 - 252   2019

Bond Dissociation Triggering Molecular Disorder in Amorphous H2O Reviewed

Masaki Hada, Yuho Shigeeda, Shin-ya Koshihara, Takeshi Nishikawa, Yoshifumi Yamashita, Yasuhiko Hayashi

The Journal of Physical Chemistry A   122 ( 49 )   9579 - 9584   2018.11

High-performance structure of a coil-shaped soft-actuator consisting of polymer threads and carbon nanotube yarns Reviewed

Hirotaka Inoue, Takayuki Yoshiyama, Masaki Hada, Daiki Chujo, Yoshitaka Saito, Takeshi Nishikawa, Yoshifumi Yamashita, Wataru Takarada, Hidetoshi Matsumoto, Yasuhiko Hayashi

AIP ADVANCES   8 ( 7 )   2018.7

Resistance-heating of carbon nanotube yarns in different atmospheres Reviewed

Maik Scholz, Yasuhiko Hayashi, Vyacheslav Khavrus, Daiki Chujo, Hirotaka Inoue, Masaki Hada, Albrecht Leonhardt, Bernd Buechner, Silke Hampel

CARBON   133   232 - 238   2018.7

Performance limit of daytime radiative cooling in warm humid environment Reviewed

Takahiro Suichi, Atsushi Ishikawa, Yasuhiko Hayashi, Kenji Tsuruta

AIP Advances   8 ( 5 )   2018.5

Expansion of Shockley stacking fault observed by scanning electron microscope and partial dislocation motion in 4H-SiC Reviewed

Yoshifumi Yamashita, Ryu Nakata, Takeshi Nishikawa, Masaki Hada, Yasuhiko Hayashi

JOURNAL OF APPLIED PHYSICS   123 ( 16 )   2018.4

In-situ X-ray diffraction reveals the degradation of crystalline CH3NH3PbI3 by water-molecule collisions at room temperature Reviewed

Masaki Hada, Yoichi Hasegawa, Ryota Nagaoka, Tomoya Miyake, Ulugbek Abdullaev, Hiromi Ota, Takeshi Nishikawa, Yoshifumi Yamashita, Yasuhiko Hayashi

Japanese Journal of Applied Physics   57 ( 2 )   028001-1 - 028001-3   2018.2

Rapid Growth of Dense and Long Carbon Nanotube Arrays and Its Application in Spinning Thread Reviewed

Yasuhiko Hayashi, Karthik Paneer Selvam, Maik Scholz

InTech open access publisher   2   2018

Simultaneous improvement in electrical conductivity and Seebeck coefficient of PEDOT:PSS by N-2 pressure-induced nitric acid treatment Reviewed

May Thu Zar Myint, Masaki Hada, Hirotaka Inoue, Tatsuki Marui, Takeshi Nishikawa, Yuta Nishina, Susumu Ichimura, Masayoshi Umeno, Aung Ko Ko Kyaw, Yasuhiko Hayashi

RSC ADVANCES   8 ( 64 )   36563 - 36570   2018

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals Reviewed

hayashi yasuhiko

Journal of Visualized Experiments   135 ( 135 )   e57612-1 - e57612-13   2018

Structural Monitoring of the Onset of Excited-State Aromaticity in a Liquid Crystal Phase Reviewed

Masaki Hada, Shohei Saito, Sei'ichi Tanaka, Ryuma Sato, Masahiko Yoshimura, Kazuhiro Mouri, Kyohei Matsuo, Shigehiro Yamaguchi, Mitsuo Hara, Yasuhiko Hayashi, Fynn Roehricht, Rainer Herges, Yasuteru Shigeta, Ken Onda, R. J. Dwayne Miller

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   139 ( 44 )   15792 - 15800   2017.11

Structural Monitoring of the Onset of Excited-State Aromaticity in a Liquid Crystal Phase Reviewed

Hada, Masaki, Saito, Shohei, Tanaka, Sei'ichi, Sato, Ryuma, Yoshimura, Masahiko, Mouri, Kazuhiro, Matsuo, Kyohei, Yamaguchi, Shigehiro, Hara, Mitsuo, Hayashi, Yasuhiko, Röhricht, Fynn, Herges, Rainer, Shigeta, Yasuteru, Onda, Ken, Miller, R J Dwayne

Journal of the American Chemical Society   139   15792 - 15800   2017.10

Time zero determination for FEL pump-probe studies based on ultrafast melting of bismuth Reviewed

S. W. Epp, M. Hada, Y. Zhong, Y. Kumagai, K. Motomura, S. Mizote, T. Ono, S. Owada, D. Axford, S. Bakhtiarzadeh, H. Fukuzawa, Y. Hayashi, T. Katayama, A. Marx, H. M. Mueller-Werkmeister, R. L. Owen, D. A. Sherrell, K. Tono, K. Ueda, F. Westermeier, R. J. D. Miller

STRUCTURAL DYNAMICS   4 ( 5 )   054308-1 - 054308-13   2017.9

Water transport phenomena through membranes consisting of vertically-aligned double-walled carbon nanotube array Reviewed

Hidetoshi Matsumoto, Shuji Tsuruoka, Yasuhiko Hayashi, Koji Abe, Kenjiro Hata, Shaoling Zhang, Yoshitaka Saito, Motohiro Aiba, Tomoharu Tokunaga, Toru Iijima, Takuma Hayashi, Hirotaka Inoue, Gehan A. J. Amaratunga

CARBON   120   358 - 365   2017.8

Cross-Polarized Surface-Enhanced Infrared Spectroscopy by Fano-Resonant Asymmetric Metamaterials Reviewed

Atsushi Ishikawa, Shuhei Hara, Takuo Tanaka, Yasuhiko Hayashi, Kenji Tsuruta

SCIENTIFIC REPORTS   7   2017.6

Simple Technique of Exfoliation and Dispersion of Multilayer Graphene from Natural Graphite by Ozone-Assisted Sonication Reviewed

Zaw Lin, Paneer Selvam Karthik, Masaki Hada, Takeshi Nishikawa, Yasuhiko Hayashi

NANOMATERIALS   7 ( 6 )   2017.6

Ultrasonic-assisted synthesis of ZnO nano particles decked with few layered graphene nanocomposite as photoanode in dye-sensitized solar cell Reviewed

Satish Bykkam, Venkateshwara Rao Kalagadda, Bikshalu Kalagadda, Karthik Paneer Selvam, Yasuhiko Hayashi

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS   28 ( 8 )   6217 - 6225   2017.4

Multilayer graphene/amorphous carbon hybrid films prepared by microwave surface-wave plasma CVD: synthesis and characterization Reviewed

Susumu Ichimura, Yasuhiko Hayashi, Masayoshi Umeno

SURFACE AND INTERFACE ANALYSIS   49 ( 4 )   291 - 296   2017.4

Surface modification of carbon nanohorns by helium plasma and ozone treatments Reviewed

Zaw Lin, Toru Iijima, Paneer Selvam Karthik, Mitsunobu Yoshida, Masaki Hada, Takeshi Nishikawa, Yasuhiko Hayashi

JAPANESE JOURNAL OF APPLIED PHYSICS   56 ( 1 )   2017.1

Structure optimization of metallodielectric multilayer for high-efficiency daytime radiative cooling Reviewed

Takahiro Suichi, Atsushi Ishikawa, Yasuhiko Hayashi, Kenji Tsuruta

Proceedings of SPIE - The International Society for Optical Engineering   10369   2017

Intentionally Encapsulated Metal Alloys within Vertically Aligned Multi-Walled Carbon Nanotube Array via Chemical Vapor Deposition Technique Reviewed

Yasuhiko Hayashi, Hirotaka Inoue, Takuma Hayashi, Masaki Hada, Takeshi Nishikawa, Tomoharu Tokunaga, G. A. J. Amaratunga

2017 IEEE INTERNATIONAL CONFERENCE ON MANIPULATION, MANUFACTURING AND MEASUREMENT ON THE NANOSCALE (3M-NANO)   357 - 361   2017

Synthesis of hybrid carbon nanoparticles using multi-walled carbon nanotubes and fullerene via self-assembly Reviewed

P. S. Karthik, Zaw Lin, Venkata Abhinav Korada, Masaki Hada, Takeshi Nishikawa, Yasuhiko Hayashi

Materials Science Forum   900   46 - 49   2017

Automated Design of Infrared Digital Metamaterials by Genetic Algorithm Reviewed

Yuya Sugino, Atsushi Ishikawa, Yasuhiko Hayashi, Kenji Tsuruta

METAMATERIALS, METADEVICES, AND METASYSTEMS 2017   10343   2017

Surface modification of carbon nanohorns by helium plasma and ozone treatments Reviewed International journal

Yasuhiko HAYASHI

2016.12

Single- and double-walled carbon nanotubes enhance atherosclerogenesis by promoting monocyte adhesion to endothelial cells and endothelial progenitor cell dysfunction. Reviewed International journal

Yuka Suzuki, Saeko Tada-Oikawa, Yasuhiko Hayashi, Kiyora Izuoka, Misa Kataoka, Shunsuke Ichikawa, Wenting Wu, Cai Zong, Gaku Ichihara, Sahoko Ichihara

Particle and fibre toxicology   13 ( 1 )   54 - 54   2016.10

DC Biasing Effects on Properties of Carbon Nanowalls by Microwave Surface-Wave Plasma Chemical Vapor Deposition and Towards Transparent Electrode Reviewed

Susumu Ichimura, Yasuhiko Hayashi, Masayoshi Umeno

Transactions of the Materials Research Society of Japan   41 ( 3 )   229 - 233   2016.9

Ultrafast snapshots of the molecules twisting in liquid crystal state Reviewed

Masaki Hada, Shohei Saito, Sei'ichi Tanaka, Ryuma Sato, Kyohei Matsuo, Mitsuo Hara, Yasuhiko Hayashi, Kazuhiro Mouri, Masahiko Yoshimura, Yasuteru Shigeta, Shigehiro Yamaguchi, Ken Onda, R.J. Dwayne Miller

Optics InfoBase Conference Papers   2016.7

Effect of ultraviolet light irradiation and ion collision on the quality of multilayer graphene prepared by microwave surface-wave plasma chemical vapor deposition Reviewed

Susumu Ichimura, Yasuhiko Hayashi, Masayoshi Umeno

DIAMOND AND RELATED MATERIALS   66   157 - 162   2016.6

Synthesis and transistor application of the extremely extended phenacene molecule, [9] phenacene Reviewed

Yuma Shimo, Takahiro Mikami, Shino Hamao, Hidenori Goto, Hideki Okamoto, Ritsuko Eguchi, Shin Gohda, Yasuhiko Hayashi, Yoshihiro Kubozono

SCIENTIFIC REPORTS   6   2016.2

Self-Assembled C-60 Fullerene Cylindrical Nanotubes by LLIP method Reviewed

Venkata Krishna R. Rao, P. S. Karthik, Venkata K. Abhinav, Zaw Lin, May Thu Zar Myint, Takeshi Nishikawa, Masaki Hada, Yoshifumi Yamashita, Yasuhiko Hayashi, Surya Prakash Singh

2016 IEEE 16TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO)   303 - 306   2016

Dispersion of relatively long multi-walled carbon nanotubes in water using ozone generated by dielectric barrier discharge Reviewed

Zaw Lin, Mitsunobu Yoshida, Yuki Uesugi, Karthik Paneer, Takeshi Nishikawa, Yasuhiko Hayashi

IEEJ Transactions on Fundamentals and Materials   136 ( 4 )   180 - 185   2016

Controlled Fano Resonances via Symmetry Breaking in Metamaterials for High-Sensitive Infrared Spectroscopy Reviewed

Shuhei Hara, Atsushi Ishikawa, Takuo Tanaka, Yasuhiko Hayashi, Kenji Tsuruta

METAMATERIALS, METADEVICES, AND METASYSTEMS 2016   9918   2016

Carbon nanostructures synthesized via self-assembly (LLIP) and its application in FET Reviewed

P. S. Karthik, Yuma Shimo, Zaw Lin, Venkata Krishna R. Rao, Xiao Gong, Mitsunobu Yoshida, Masaki Hada, Takeshi Nishikawa, Yasuhiko Hayashi, S. P. Singh

2016 IEEE 11TH ANNUAL INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS (NEMS)   468 - 472   2016

In situ observation of carbon nanotube yarn during voltage application Reviewed

Tomoharu Tokunaga, Yasuhiko Hayashi, Toru Iijima, Yuki Uesugi, Masaki Unten, Katsuhiro Sasaki, Takahisa Yamamoto

MICRON   74   30 - 34   2015.7

Synergistic Effect of Bolus Exposure to Zinc Oxide Nanoparticles on Bleomycin-Induced Secretion of Pro-Fibrotic Cytokines without Lasting Fibrotic Changes in Murine Lungs Reviewed International journal

Wenting Wu, Gaku Ichihara, Naozumi Hashimoto, Yoshinori Hasegawa, Yasuhiko Hayashi, Saeko Tada-Oikawa, Yuka Suzuki, Jie Chang, Masashi Kato, Corina N. D'Alessandro-Gabazza, Esteban C. Gabazza, Sahoko Ichihara

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES   16 ( 1 )   660 - 676   2015.1

Improved Properties of Carbon Nanotube Yarn Spun from Dense and Long Carbon Nanotube Forest Reviewed

Yasuhiko Hayashi, Toru Iijima, Daisuke Suzuki, Hiroshi Kinoshita, Hisayoshi Oshima, Tomoharu Tokunaga

2015 INTERNATIONAL CONFERENCE ON MANIPULATION, MANUFACTURING AND MEASUREMENT ON THE NANOSCALE (3M-NANO)   298 - 301   2015

Transistors fabricated using the single crystals of [8]phenacene Reviewed

Yuma Shimo, Takahiro Mikami, Hiroto T. Murakami, Shino Hamao, Hidenori Goto, Hideki Okamoto, Shin Gohda, Kaori Sato, Antonio Cassinese, Yasuhiko Hayashi, Yoshihiro Kubozono

JOURNAL OF MATERIALS CHEMISTRY C   3 ( 28 )   7370 - 7378   2015

21aCJ-9 Partial dislocation motion incidental to the shrinkage of stacking fault introduced by electron beam irradiation in 4H-SiC epi-film

Yamashita Y., Shimomura T., Nishikawa T., Hayashi Y.

Meeting Abstracts of the Physical Society of Japan   70   2683 - 2683   2015

Synthesis of graphene by microwave surface wave plasma CVD method

Ichimura Susumu, Hayashi Yasuhiko, Umeno Masayoshi

Abstract of annual meeting of the Surface Science of Japan   35   272 - 272   2015

Phenol resin carbonized films with anisotropic shrinkage driven ordered mesoporous structures Reviewed

Tatsuo Kimura, Ayhan M. Emre, Kazumi Kato, Yasuhiko Hayashi

Journal of Materials Chemistry A   1 ( 47 )   15135 - 15141   2013.12

Highly transparent and flexible field electron emitters based on hybrid carbon nanostructure Reviewed

Debasish Ghosh, Pradip Ghosh, Takuto Noda, Yasuhiko Hayashi, Masaki Tanemura

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS   7 ( 12 )   1080 - 1083   2013.12

Photovoltaic properties of an amorphous carbon/fullerene junction Reviewed

Tetsuo Soga, Takuya Kondoh, Naoki Kishi, Yasuhiko Hayashi

CARBON   60   1 - 4   2013.8

Study of intercalation compounds using ionic liquids into montmorillonite and their thermal stability Reviewed

Chisato Takahashi, Takashi Shirai, Yasuhiko Hayashi, Masayoshi Fuji

SOLID STATE IONICS   241   53 - 61   2013.6

Phthalocyanine with Trifluoroethoxy Substituents for Organic Solar Cells Reviewed

Ichiko Yamada, Norihito Iida, Yasuhiko Hayashi, Tetsuo Soga, Norio Shibata

JAPANESE JOURNAL OF APPLIED PHYSICS   52 ( 5 )   2013.5

Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating Reviewed

T. Tokunaga, T. Kanematsu, T. Ota, K. Sasaki, T. Yamamoto, Y. Hayashi

IEEE Nanotechnology Materials and Devices Conference, IEEE NMDC 2013   5 - 8   2013

Synthesis of continuous graphene on metal foil for flexible transparent electrode application Reviewed

Golap Kalita, Koichi Wakita, Masayoshi Umeno, Yasuhiko Hayashi, Masaki Tanemura

Proceedings - Winter Simulation Conference   281 - 284   2013

Influence of gas composition on the formation of graphene domain synthesized from camphor Reviewed

Subash Sharma, Golap Kalita, Ryo Hirano, Yasuhiko Hayashi, Masaki Tanemura

Materials Letters   93   258 - 262   2013

Synthesis of Continuous Graphene on Metal Foil for Flexible Transparent Electrode Application Reviewed

Golap Kalita, Koichi Wakita, Masayoshi Umeno, Yasuhiko Hayashi, Masaki Tanemura

PROCEEDINGS OF THE 2013 IEEE 5TH INTERNATIONAL NANOELECTRONICS CONFERENCE (INEC)   281 - 284   2013

A photoinduced charge transfer composite of graphene oxide and ferrocene Reviewed

Golap Kalita, Subash Sharma, Koichi Wakita, Masayoshi Umeno, Yasuhiko Hayashi, Masaki Tanemura

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   15 ( 4 )   1271 - 1274   2013

Synthesis of graphene by surface wave plasma chemical vapor deposition from camphor Reviewed

Golap Kalita, Subash Sharma, Koichi Wakita, Masayoshi Umeno, Yasuhiko Hayashi, Masaki Tanemura

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   209 ( 12 )   2510 - 2513   2012.12

Structural and Electrical Properties of Ozone Irradiated Carbon Nanotube Yarns and Sheets Reviewed

Toru Iijima, Yasuhiro Inagaki, Hisayoshi Oshima, Takuya Iwata, Ryota Sato, Golap Kalita, Toru Kuzumaki, Yasuhiko Hayashi, Masaki Tanemura

MATERIALS EXPRESS   2 ( 4 )   357 - 362   2012.12

Pre-treatment of multi-walled carbon nanotubes for polyetherimide mixed matrix hollow fiber membranes Reviewed

P. S. Goh, B. C. Ng, A. F. Ismail, M. Aziz, Y. Hayashi

JOURNAL OF COLLOID AND INTERFACE SCIENCE   386 ( 1 )   80 - 87   2012.11

In Situ TEM Observation of Fe-Included Carbon Nanofiber: Evolution of Structural and Electrical Properties in Field Emission Process Reviewed

Mohd Zamri Mohd Yusop, Pradip Ghosh, Yazid Yaakob, Golap Kalita, Masato Sasase, Yasuhiko Hayashi, Masaki Tanemura

ACS NANO   6 ( 11 )   9567 - 9573   2012.11

High temperature in-situ observations of multi-segmented metal nanowires encapsulated within carbon nanotubes by in-situ filling technique Reviewed

Yasuhiko Hayashi, Tomoharu Tokunaga, Toru Iijima, Takuya Iwata, Golap Kalita, Masaki Tanemura, Katsuhiro Sasaki, Kotaro Kuroda

NANOSCALE RESEARCH LETTERS   7   1 - 4   2012.8

Transparent and flexible field emission display device based on single-walled carbon nanotubes Reviewed

Debasish Ghosh, Pradip Ghosh, Mohd Zamri Yusop, Masaki Tanemura, Yasuhiko Hayashi, Tetsuo Tsuchiya, Tomohiko Nakajima

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS   6 ( 7 )   303 - 305   2012.7

Effect of defects in ferromagnetic C doped ZnO thin films Reviewed

Munisamy Subramanian, Yuhei Akaike, Yasuhiko Hayashi, Masaki Tanemura, Hiroshi Ebisu, Daniel Lau Shu Ping

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS   249 ( 6 )   1254 - 1257   2012.6

Characterization of carbon nanotube-silver composite yarn Reviewed

T. Iijima, Y. Inagaki, H. Oshima, T. Iwata, U. B. Suryavanshi, R. Sato, T. Kuzumaki, T. Tokunaga, Y. Hayashi, M. Tanemura

AMTC Letters   3   206 - 207   2012.5

Fundamental Study on Organic Solar Cells Based on Soluble Zinc Phthalocyanine Reviewed

Ichiko Yamada, Masashi Umeda, Yasuhiko Hayashi, Tetsuo Soga, Norio Shibata

JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 4 )   2012.4

In-situ observation of carbon nanotube fiber spinning from vertically aligned carbon nanotube forest Reviewed

Toru Iijima, Hisayoshi Oshima, Yasuhiko Hayashi, Ulka Bhimrao Suryavanshi, Akari Hayashi, Masaki Tanemura

DIAMOND AND RELATED MATERIALS   24   158 - 160   2012.4

Controllable fabrication and characterization of conical nanocarbon structures on polymer substrate for transparent and flexible field emission displays Reviewed

Pradip Ghosh, Shunsaku Satou, Takuma Tsuchiya, Yasuhiko Hayashi, Masaki Tanemura

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS   6 ( 4 )   184 - 186   2012.4

Growth and structure analysis of tungsten oxide nanorods using environmental TEM. Reviewed International journal

Tomoharu Tokunaga, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Yasuhiko Hayashi, Katsuhiro Sasaki, Kotaro Kuroda, Takahisa Yamamoto

Nanoscale research letters   7 ( 1 )   85 - 85   2012.1

Low-Temperature Fabrication of Germanium Nanostructures by Ion Irradiation: Effect of Supplied Particle Species Reviewed

Ako Miyawaki, Toshiaki Hayashi, Tomoharu Tokunaga, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JAPANESE JOURNAL OF APPLIED PHYSICS   51 ( 1 )   2012.1

Fabrication of ZnO nanoparticles confined in the channels of mesoporous carbon Reviewed

Ulka Suryavanshi, Toru Iijima, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

CHEMICAL ENGINEERING JOURNAL   179   388 - 393   2012.1

Synthesis of transfer-free graphene on an insulating substrate using a solid phase reaction Reviewed

Ryo Hirano, Ken Matsubara, Golap Kalita, Yasuhiko Hayashi, Masaki Tanemura

NANOSCALE   4 ( 24 )   7791 - 7796   2012

CARBON NANOTUBES BASED MIXED MATRIX MEMBRANE FOR GAS SEPARATION Reviewed

S. M. Sanip, A. F. Ismail, P. S. Goh, M. N. A. Norrdin, T. Soga, M. Tanemura, H. Yasuhiko

NANOMATERIALS: SYNTHESIS AND CHARACTERIZATION   364   272 - +   2012

Large-Area CVD Graphene as Transparent Electrode for Efficient Organic Solar Cells Reviewed

Golap Kalita, Koichi Wakita, Masayoshi Umeno, Yasuhiko Hayashi, Masaki Tanemura

2012 38TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC)   3137 - 3141   2012

Direct Growth of Horizontally Aligned Carbon Nanotubes between Electrodes and Its Application to Field-Effect Transistors Reviewed

Yasuhiko Hayashi, B. Jang, T. Iijima, T. Tokunaga, A. Hayashi, M. Tanemura, G. A. J. Amaratunga

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   11 ( 12 )   11011 - 11014   2011.12

POLY(3, 4-ETHYLENEDIOXYTHIOPHENE): POLY(STYRENESULFONATE)/SINGLE-WALL CARBON NANOTUBE COMPOSITE FILM FOR THE HOLE TRANSPORT LAYER IN POLYMER SOLAR CELLS Reviewed

Naoki Kishi, Shinya Kato, Takeshi Saito, Junki Hayashi, Daiki Ito, Yasuhiko Hayashi, Tetsuo Soga, Takashi Jimbo

NANO   6 ( 6 )   583 - 588   2011.12

Fabrication of Ion-Induced Carbon-Cobalt Nanocomposite Fibers: Effect of Cobalt Supply Rate Reviewed

Zhipeng Wang, Mohd Zamri Mohd Yusop, Takehiko Hihara, Pradip Ghosh, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   11 ( 12 )   10677 - 10681   2011.12

In Vitro Evaluation of Cytotoxicity and Oxidative Stress Induced by Multiwalled Carbon Nanotubes in Murine RAW 264.7 Macrophages and Human A549 Lung Cells Reviewed

Chen Bo, Liu Ying, Song Wei Ming, Yasuhiko Hayashi, Ding Xun Cheng, Li Wei Hua

BIOMEDICAL AND ENVIRONMENTAL SCIENCES   24 ( 6 )   593 - 601   2011.12

Determination of Young's modulus of carbon nanofiber probes fabricated by the argon ion bombardment of carbon coated silicon cantilever Reviewed

Kazuhisa Inaba, Kouji Saida, Pradip Ghosh, Ken Matsubara, Munisamy Subramanian, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura, Masashi Kitazawa, Ryo Ohta

CARBON   49 ( 13 )   4191 - 4196   2011.11

Fabrication of Ge nanoneedles by ion-irradiation method Reviewed

Ako Miyawaki, M. Zamri, T. Hayashi, Y. Hayashi, M. Tanemura, T. Tokunaga

SURFACE & COATINGS TECHNOLOGY   206 ( 5 )   812 - 815   2011.11

Morphology control of a rapidly grown vertically aligned carbon-nanotube forest for fiber spinning Reviewed

T. Iijima, H. Oshima, Y. Hayashi, U. B. Suryavanshi, A. Hayashi, M. Tanemura

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE   208 ( 10 )   2332 - 2334   2011.10

High-resolution imaging of plasmid DNA in liquids in dynamic mode atomic force microscopy using a carbon nanofiber tip Reviewed

Masashi Kitazawa, Shuichi Ito, Akira Yagi, Nobuaki Sakai, Yoshitugu Uekusa, Ryo Ohta, Kazuhisa Inaba, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

Japanese Journal of Applied Physics   50 ( 8 )   08LB14   2011.8

High-Resolution Imaging of Plasmid DNA in Liquids in Dynamic Mode Atomic Force Microscopy Using a Carbon Nanofiber Tip Reviewed

Masashi Kitazawa, Shuichi Ito, Akira Yagi, Nobuaki Sakai, Yoshitugu Uekusa, Ryo Ohta, Kazuhisa Inaba, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 8 )   2011.8

Structural change of ion-induced carbon nanofibers by electron current flow Reviewed

Mohd Zamri, Pradip Ghosh, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura, Masato Sasase

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   29 ( 4 )   2011.7

Growth evolution of rapid grown aligned carbon nanotube forests without water vapor on Fe/Al2O3/SiO2/Si substrate Reviewed

Yasuhiko Hayashi, Toru Iijima, M. Miyake, M. Satoh, N. L. Rupesinghe, K. B. K. Teo, M. Tanmemura

DIAMOND AND RELATED MATERIALS   20 ( 7 )   859 - 862   2011.7

Gas separation properties of functionalized carbon nanotubes mixed matrix membranes Reviewed

S. M. Sanip, A. F. Ismail, P. S. Goh, T. Soga, M. Tanemura, H. Yasuhiko

SEPARATION AND PURIFICATION TECHNOLOGY   78 ( 2 )   208 - 213   2011.4

Azidation of polyesters having pendent functionalities by using NaN3 or DPPA-DBU and photo-crosslinking of the azidopolyesters Reviewed

Yosuke Shibata, Hiroki Tanaka, Akinori Takasu, Yasuhiko Hayashi

POLYMER JOURNAL   43 ( 3 )   272 - 278   2011.3

Formation of carbon nanostructures containing single-crystalline cobalt carbides by ion irradiation method Reviewed

Zhipeng Wang, Zamri Yusop, Pradip Ghosh, Yasuhiko Hayashi, Masaki Tanemura

APPLIED SURFACE SCIENCE   257 ( 8 )   3168 - 3173   2011.2

In-situ TEM observation of internal metal inside metal filled carbon fiber Reviewed

Tomoharu Tokunaga, Yoshiro Horita, Takumi Kanematsu, Ikuo Nomura, Toru Iijima, Yasuhiko Hayashi, Kotaro Kuroda

DIAMOND AND RELATED MATERIALS   20 ( 2 )   210 - 212   2011.2

Morphology and Size of Ion Induced Carbon Nanofibers: Effect of Ion Incidence Angle, Sputtering Rate, and Temperature Reviewed

Mohd Zamri Yusop, Kohei Yamaguchi, Takahito Suzuki, Pradip Ghosh, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JAPANESE JOURNAL OF APPLIED PHYSICS   50 ( 1 )   2011.1

The growth and characterization of Zn nanowires covered with ZnO using plasma-assisted molecular beam irradiation Reviewed

T. Tokunaga, K. Sasaki, K. Kuroda, T. Iijima, B. Jang, Y. Hayashi, R. A. Afre, M. Tanemura

Proceedings - International NanoElectronics Conference, INEC   2011

Growth and structure analysis of tungsten oxide nanorods using environmental transmission electron microscopy Reviewed

Tomoharu Tokunaga, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Katsuhiro Sasaki, Kotaro Kuroda, Yasuhiko Hayashi

Proceedings - International NanoElectronics Conference, INEC   2011

Highly transparent and flexible field emission devices based on single-walled carbon nanotube films Reviewed

Debasish Ghosh, Pradip Ghosh, Masaki Tanemura, Akari Haysahi, Yasuhiko Hayashi, Kawasaki Shinji, Noboru Miura, Mohd Zamri Yusop, Toru Asaka

CHEMICAL COMMUNICATIONS   47 ( 17 )   4980 - 4982   2011

Direct fabrication of aligned metal composite carbon nanofibers on copper substrate at room temperature and their field emission property Reviewed

Pradip Ghosh, M. Zamri Yusop, Debasish Ghosh, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

CHEMICAL COMMUNICATIONS   47 ( 16 )   4820 - 4822   2011

Electrical property of carbon nanotube Fiber spun from vertically aligned carbon nanotube forest Reviewed

T. Iijima, Y. Hayashi, U. B. Suryavanshi, A. Hayashi, M. Tanemura, H. Oshima

Proceedings - International NanoElectronics Conference, INEC   2011

Simple methods for tuning the pore diameter of mesoporous carbon Reviewed

Ulka B. Suryavanshi, Toru Ijima, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

CHEMICAL COMMUNICATIONS   47 ( 38 )   10758 - 10760   2011

Influence of new fullerene derivatives with fluorocarbon substituent on performance of polymer solar cells Reviewed

Ichiko Yamada, Manoj Pandey, Yasuhiko Hayashi, Norio Shibata, Tesuo Soga, Takeshi Toru

9TH INTERNATIONAL CONFERENCE ON NANO-MOLECULAR ELECTRONICS   14   192 - 197   2011

Poly[(3-hexylthiophene)-block-(3-semifluoroalkylthiophene)] for Polymer Solar Cells Reviewed

Ichiko Yamada, Koji Takagi, Yasuhiko Hayashi, Tetsuo Soga, Norio Shibata, Takeshi Toru

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES   11 ( 12 )   5028 - 5040   2010.12

Synthesis and magnetic property of Fe-incorporated carbon nanofibers by ion-irradiation method Reviewed

Z. P. Wang, M. Zamri, T. Hihara, Y. Hayashi, M. Tanemura

Transactions of the Materials Research Society of Japan   35 ( 4 )   755 - 758   2010.12

Fabrication and Morphological Control of Ion-Induced Zinc Nanostructures Reviewed

Pradip Ghosh, Masaki Kutsuna, Masato Kudo, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY   10 ( 10 )   6677 - 6682   2010.10

Template-free electrochemical nanofabrication of polyaniline nanobrush and hybrid polyaniline with carbon nanohorns for supercapacitors Reviewed

Di Wei, Haolan Wang, Pritesh Hiralal, Piers Andrew, Tapani Ryhaenen, Yasuhiko Hayashi, Gehan A. J. Amaratunga

NANOTECHNOLOGY   21 ( 43 )   2010.10

Electron spin resonance (ESR) analysis of Cu-doped ZnO and AlN films Reviewed

Fan-Yong Ran, M. Subramanian, Masaki Tanemura, Yasuhiko Hayashi, Takehiko Hihara

PHYSICA B-CONDENSED MATTER   405 ( 18 )   3952 - 3954   2010.9

New approach to breast tumor detection based on fluorescence x-ray analysis Reviewed

Yasuhiko Hayashi, Fumio Okuyama

GMS German Medical Science   8   2010.8

Formation and growth mechanisms of ion-induced iron-carbon nanocomposites at room temperature Reviewed

Zhipeng Wang, Mohd Zamri Mohd Yusop, Takehiko Hihara, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

APPLIED SURFACE SCIENCE   256 ( 21 )   6371 - 6374   2010.8

PREPARATION AND CHARACTERISTICS OF FUNCTIONALIZED MULTIWALLED CARBON NANOTUBES IN POLYIMIDE MIXED MATRIX MEMBRANE Reviewed

S. M. Sanip, A. F. Ismail, P. S. Goh, B. C. Ng, M. S. Abdullah, T. Soga, M. Tanemura, H. Yasuhiko

NANO   5 ( 4 )   195 - 202   2010.8

Size Control of Carbon Nanofiber Probes Fabricated by Ion Irradiation Reviewed

Kazuhisa Inaba, Yoshitaka Sugita, Takahito Suzuki, Masaki Tanemura, Akari Hayashi, Yasuhiko Hayashi, Masashi Kitazawa, Ryo Ohta

JAPANESE JOURNAL OF APPLIED PHYSICS   49 ( 8 )   2010.8

Crystallinity-controlled iron-carbon composite nanofibers-Synthesis and characteristic properties Reviewed

Zhipeng Wang, Mohd Zamri Mohd Yusop, Takehiko Hihara, Yasuhiko Hayashi, Masaki Tanemura

JOURNAL OF CRYSTAL GROWTH   312 ( 12-13 )   1935 - 1939   2010.6

Improved open circuit voltage of the photovoltaic device using ferrocene as a donor material Reviewed

Rakesh A. Afre, Yasuhiko Hayashi, Tetsuo Soga

SYNTHETIC METALS   160 ( 7-8 )   779 - 782   2010.4

Direct growth of carbon nanofibers on metal mesh substrates by ion irradiation method Reviewed

M. Zamri, Pradip Ghosh, Z. P. Wang, M. Kawagishi, A. Hayashi, Y. Hayashi, M. Tanemura

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   28 ( 2 )   C2C9 - C2C12   2010.3

Transparent and Flexible Field Electron Emitters Based on the Conical Nanocarbon Structures Reviewed

Pradip Ghosh, M. Zamri Yusop, Syunsaku Satoh, Munisamy Subramanian, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   132 ( 12 )   4034 - +   2010.3

Structural change of ion-induced carbon nanofibers by electron current flow Reviewed

M. Zamri Yusop, Pradip Ghosh, Masato Sasase, Akari Hayashi, Yasuhiko Hayashi, Masaki Tanemura

Proceedings - 2010 8th International Vacuum Electron Sources Conference and Nanocarbon, IVESC 2010 and NANOcarbon 2010   43 - 44   2010

Formation and characterization of C<inf>60</inf>- and perylene-based bulk heterojunction solar cells Reviewed

Oku, T., Suzuki, A., Kikuchi, K., Kakuta, N., Motoyoshi, R., Nomura, K., Kawashima, A., Hayashi, Y., Soga, T.

Thin-Film Solar Cells   179 - 192   2010

Growth and structure analysis of tungsten oxide nanorods using environmental TEM Reviewed

Tomoharu Tokunaga, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Yasuhiko Hayashi, Katsuhiro Sasaki, Kotaro Kuroda

Proceedings - 2010 8th International Vacuum Electron Sources Conference and Nanocarbon, IVESC 2010 and NANOcarbon 2010   278 - 279   2010

Fabrication of Ion-Induced Carbon-Cobalt Nanocomposite Fibers: Effect of Cobalt Supply Rate Reviewed

Zhipeng Wang, Mohd Zamri Mohd Yusop, Takehiko Hihara, Yasuhiko Hayashi, Masaki Tanemura

INEC: 2010 3RD INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1 AND 2   77 - 78   2010

Fabrication of well ordered Zn nanorod arrays by ion irradiation method at room temperature and effect on crystal orientations Reviewed

Masaki Kutsuna, Pradip Ghosh, Masato Kudo, Masaki Tanemura, Yasuhiko Hayashi

INEC: 2010 3RD INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1 AND 2   436 - 437   2010

New approach to breast tumor detection based on fluorescence x-ray analysis. Reviewed

Hayashi, Y., Okuyama, F.

German medical science : GMS e-journal   8   2010

Direct Growth of Horizontally Aligned Carbon Nanotubes between Electrodes and Its Application to Field-Effect Transistors Reviewed

Yasuhiko Hayashi, B. Jang, T. Iijima, T. Tokunaga, R. A. Afre, M. Tanemura, G. A. J. Amaratunga

INEC: 2010 3RD INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1 AND 2   215 - +   2010

Morphology control of rapid grown vertically aligned carbon nanotube forest for fiber spinning Reviewed

T. Iijima, H. Oshima, Y. Hayashi, U. B. Suryavanshi, A. Hayashi, M. Tanemura

Proceedings - 2010 8th International Vacuum Electron Sources Conference and Nanocarbon, IVESC 2010 and NANOcarbon 2010   404 - 405   2010

Low-Temperature Fabrication and Characterization of Ion-Induced Ge Nanostructures Reviewed

A. Miyawaki, T. Hayashi, P. Ghosh, M. Tanemura, Y. Hayashi, T. Tokunaga

INEC: 2010 3RD INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1 AND 2   398 - +   2010

Fabrication of well ordered Zn nanorod arrays by ion irradiation method at room temperature and effect on crystal orientations Reviewed

Masaki Kutsuna, Pradip Ghosh, Masato Kudo, Masaki Tanemura, Yasuhiko Hayashi

APPLIED SURFACE SCIENCE   256 ( 5 )   1481 - 1485   2009.12

Low-Temperature Fabrication of Ion-Induced Ge Nanostructures: Effect of Simultaneous Al Supply Reviewed

Ako Miyawaki, Toshiaki Hayashi, Masaki Tanemura, Yasuhiko Hayashi, Tomoharu Tokunaga, Tetsuo Soga

IEICE TRANSACTIONS ON ELECTRONICS   E92C ( 12 )   1417 - 1420   2009.12

Morphological Control of Ion-Induced Carbon Nanofibers and Their Field Emission Properties Reviewed

Mohd Zamri Bin Mohd Yusop, Pradip Ghosh, Zhipeng Wang, Masaki Tanemura, Yasuhiko Hayashi, Tetsuo Soga

IEICE TRANSACTIONS ON ELECTRONICS   E92C ( 12 )   1449 - 1453   2009.12

Ferromagnetic and Optical Properties of Partially Cu-Doped ZnO Films Reviewed

Fan-Yong Ran, Masaki Tanemura, Yasuhiko Hayashi, Norihiro Ide, Masao Imaoka, Tun-Seng Herng, Shu-Ping Lau

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES   64 ( 11 )   765 - 768   2009.11

Effect of liquid nitrogen treatment on the structural, electrical and optical properties of indium tin oxide coated glass substrate Reviewed

Rakesh A. Afre, Yasuhiko Hayashi, Tetsuo Soga, Golap Kalita, Masayoshi Umeno

CHEMICAL PHYSICS LETTERS   481 ( 1-3 )   68 - 72   2009.10

Ferromagnetism in Cu-doped AlN films Reviewed

Fan-Yong Ran, M. Subramanian, Masaki Tanemura, Yasuhiko Hayashi, Takehiko Hihara

APPLIED PHYSICS LETTERS   95 ( 11 )   2009.9

Effect of substrate temperature on the room-temperature ferromagnetism of Cu-doped ZnO films Reviewed

Fan-Yong Ran, Masaki Tanemura, Yasuhiko Hayashi, Takehiko Hihara

JOURNAL OF CRYSTAL GROWTH   311 ( 17 )   4270 - 4274   2009.8

Growth and Nanoscale Magnetic Properties of Ferromagnetic Nanowire Encapsulated Inside Carbon Nanotubes Reviewed

Yasuhiko Hayashi, T. Fujita, T. Toicunaga, B. Jang, M. Tanemura, G. A. J. Amaratunga

IEEE TRANSACTIONS ON MAGNETICS   45 ( 6 )   2488 - 2491   2009.6

Room-temperature ferromagnetism of Cu-doped ZnO films deposited by helicon magnetron sputtering Reviewed

Fan-Yong Ran, Masao Imaoka, Masaki Tanemura, Yasuhiko Hayashi, Tun-Seng Herng, Shu-Ping La

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS   246 ( 6 )   1243 - 1247   2009.6

Synthesis of Covalently Linked Phthalocyanine-C60 Dyad via a Flexible Carbon Linker Reviewed

Daisuke Sukeguchi, Hideyuki Yoshiyama, Surya, Prakash Singh, Norio Shibata, Shuichi Nakamura, Takeshi Toru, Yasuhiko Hayashi, Tetsuo Soga

Heterocycl. Commun. Freund Publishing House   3 ( 15 )   195 - 202   2009.6

Synthesis and spectroscopic investigation of trifluoroethoxy-coated phthalocyanine linked with fullerene Reviewed

Daisuke Sukeguchi, Hideyuki Yoshiyama, Norio Shibata, Shuichi Nakamura, Takeshi toru, Yasuhiko Hayashi, Tetsuo Soga

JOURNAL OF FLUORINE CHEMISTRY   130 ( 3 )   361 - 364   2009.3

Application of ion-induced carbon nanocomposite fibers to magnetic force microscope probes Reviewed

Yoshitaka Sugita, Masashi Kitazawa, M. Zamri M. Yusop, Masaki Tanemura, Yasuhiko Hayashi, Ryo Ohta

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B   27 ( 2 )   980 - 983   2009.3

New diarylmethanofullerene derivatives and their properties for organic thin-film solar cells Reviewed

Daisuke Sukeguchi, Surya Prakash Singh, Mamidi Ramesh Reddy, Hideyuki Yoshiyama, Rakesh A. Afre, Yasuhiko Hayashi, Hiroki Inukai, Tetsuo Soga, Shuichi Nakamura, Norio Shibata, Takeshi Toru

BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY   5   2009.2

Synthesis and characterization of carbon nanotube grown on flexible and conducting carbon fiber sheet for field emitter Reviewed

Yasuhiko Hayashi, K. Suzuki, B. Jang, T. Tokunaga, H. Matsumoto, M. Tanemura, A. Tanioka, G. A. J. Amaratunga

DIAMOND AND RELATED MATERIALS   18 ( 2-3 )   341 - 344   2009.2

Enhanced photovoltaic device performance upon modification of indium tin oxide coated glass by liquid nitrogen treatment Reviewed

Rakesh A. Afre, Yasuhiko Hayashi, Tetsuo Soga

JOURNAL OF PHYSICS D-APPLIED PHYSICS   42 ( 4 )   2009.2

Room-temperature synthesis and characterisation of ion-induced iron-carbon nanocomposite fibres Reviewed

Zhipeng Wang, Kohei Yamaguchi, Daiki Takeuchi, Yasuhiko Hayashi, Masaki Tanemura

INTERNATIONAL JOURNAL OF NANOTECHNOLOGY   6 ( 7-8 )   753 - 761   2009

SYNTHESIS AND SPECTRAL INVESTIGATIONS OF COVALENTLY LINKED PHTHALOCYANINE-C-60 DYAD VIA FLEXIBLE CARBON LINKER Reviewed

Daisuke Sukeguchi, Hideyuki Yoshiyama, Surya Prakash Singh, Norio Shibata, Shuichi Nakamura, Takeshi Toru, Yasuhiko Hayashi, Tetsuo Soga

HETEROCYCLIC COMMUNICATIONS   15 ( 4 )   263 - 272   2009

Efficient carbon nanotube field emitter using electrospun carbon nanofibers as a flexible electrode Reviewed

Matsumoto H, Suzuki K, Tsuboi K, Minagawa M, Tanioka A, Hayashi Y, Fukuzono K, Amaratunga G.A.J

Materials Research Society Symposium Proceedings   1173   7 - 12   2009

Direct growth of carbon nanofibers on metal mesh substrates by ion irradiation method Reviewed

M. Zamri, Pradip Ghosh, Wang Zhipeng, Y. Hayashi, M. Tanemura

Technical Digest - 2009 22nd International Vacuum Nanoelectronics Conference, IVNC 2009   43 - 44   2009

Formation and characterization of MEH-PPV/PCBM-based bulk heterojunction solar cells Reviewed

Takeo Oku, Syuichi Nagaoka, Atsushi Suzuki, Kenji Kikuchi, Yasuhiko Hayashi, Hayato Sakuragi, Tetsuo Soga

JOURNAL OF CERAMIC PROCESSING RESEARCH   9 ( 6 )   549 - 552   2008.12

MOCVD growth of GaN on porous silicon substrates Reviewed

Hiroyasu Ishikawa, Keita Shimanaka, Fumiyuki Tokura, Yasuhiko Hayashi, Yosuke Hara, Masami Nakanishi

JOURNAL OF CRYSTAL GROWTH   310 ( 23 )   4900 - 4903   2008.11

ZnO Nanowire and WS2 Nanotube Electronics Reviewed

Husnu Emrah Unalan, Yang Yang, Yan Zhang, Pritesh Hiralal, Daniel Kuo, Sharvari Dalal, Tim Butler, Seung Nam Cha, Jae Eun Jang, Konstantina Chremmou, Georgios Lentaris, Di Wei, Rital Rosentsveig, Kenichi Suzuki, Hidetoshi Matsumoto, Mie Minagawa, Yasuhiko Hayashi, Manish Chhowalla, Akihiko Tanioka, William I. Milne, Reshef Tenne, Gehan A. J. Amaratunga

IEEE TRANSACTIONS ON ELECTRON DEVICES   55 ( 11 )   2988 - 3000   2008.11

Carbon nanotubes on carbon fabrics for flexible field emitter arrays Reviewed

Kenichi Suzuki, Hidetoshi Matsumoto, Mie Minagawa, Akihiko Tanioka, Yasuhiko Hayashi, Kazuyuki Fukuzono, Gehan A. J. Amaratunga

APPLIED PHYSICS LETTERS   93 ( 5 )   2008.8

Microstructure and local magnetic induction of segmented and alloyed Pd/Co nanocomposites encapsulated inside vertically aligned multiwalled carbon nanotubes Reviewed

Yasuhiko Hayashi, T. Fujita, T. Tokunaga, K. Kaneko, M. Tanemura, T. Butler, N. Rupesinghe, J. D. Carey, S. R. P. Silva, K. B. K. Teo, G. A. J. Amaratunga

DIAMOND AND RELATED MATERIALS   17 ( 7-10 )   1525 - 1528   2008.7

Formation and characterization of polymer/fullerene bulk heterojunction solar cells Reviewed

Takeo Oku, Syuichi Nagaoka, Atsushi Suzuki, Kenji Kikuchi, Yasuhiko Hayashi, Hironori Inukai, Hayato Sakuragi, Tetsuo Soga

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   69 ( 5-6 )   1276 - 1279   2008.5

Room-temperature synthesis and characterization of Ni-doped carbon nanofibers Reviewed

Z. P. Wang, D. Takeuchi, K. Yamaguchi, Y. Hayashi, M. Tanemura

Transactions of the Materials Research Society of Japan   33 ( 4 )   1023 - 1026   2008.4

Room-temperature growth of ion-induced carbon nanofibers: Effects of ion species Reviewed

K. Yamaguchi, M. Kitazawa, Z. P. Wang, Y. Sugita, J. Tanaka, M. Tanemura, Y. Hayashi

DIAMOND AND RELATED MATERIALS   17 ( 4-5 )   525 - 528   2008.4

Room-temperature synthesis and characterization of cobalt-doped carbon nanofibers Reviewed

D. Takeuchi, Z. P. Wang, A. Miyawaki, K. Yamaguchi, Y. Suzuki, M. Tanemura, Y. Hayashi, P. R. Somani

DIAMOND AND RELATED MATERIALS   17 ( 4-5 )   581 - 584   2008.4

Low-temperature fabrication of Ge nanostructures by ion irradiation Reviewed

A. Miyawaki, Y. Sugita, K. Yamaguchi, T. Hayashi, Y. Hayashi, T. Tokunaga, M. Tanemura

Transactions of the Materials Research Society of Japan   33 ( 4 )   1015 - 1018   2008.4

Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative Reviewed

Yasuhiko Hayashi, H. Sakuragi, I. Soga, I. Alexandrou, G. A. J. Amaratunga

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   313   422 - 425   2008.2

The inner shell influence on the electronic structure of double-walled carbon nanotubes Reviewed

Yann Tison, Cristina E. Giusca, Vlad Stolojan, Yasuhiko Hayashi, S. Ravi P. Silva

ADVANCED MATERIALS   20 ( 1 )   189 - +   2008.1

Room-temperature growth and characterization of iron-carbon nanocomposite fibers Reviewed

Z. P. Wang, K. Yamaguchi, D. Takeuchi, Y. Hayashi, M. Tanemura

2008 2ND IEEE INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1-3   154 - 157   2008

Morphological and structural characterization of metal-doped carbon nanofibers synthesized at room temperature Reviewed

D. Takeuchi, Z. P. Wang, K. Yamaguchi, M. Kitazawa, Y. Hayashi, M. Tanemura

PROCEEDINGS OF THE 17TH INTERNATIONAL VACUUM CONGRESS/13TH INTERNATIONAL CONFERENCE ON SURFACE SCIENCE/INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY   100 ( 1 )   2008

Growth and Magnetic Properties of Ferromagnetic Co Nanorods Filled inside Carbon Nanotubes towards Nanoscale Spintronics Reviewed

Yasuhiko Hayashi, T. Fujita, T. Tokunaga, N. L. Rupesinghe, K. B. K. Teo, G. A. J. Amaratunga, M. Tanemura

2008 2ND IEEE INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1-3   1051 - +   2008

Optical properties of conjugated poly(3-hexylthiophene)/[6,6]-phenylC(61)-butyric acid methyl ester composites Reviewed

Emmanouil Lioudakis, Andreas Othonos, Ioannis Alexandrou, Yasuhiko Hayashi

JOURNAL OF APPLIED PHYSICS   102 ( 8 )   2007.10

Synthesis, microstructure and photoluminescence of well-aligned ZnO nanorods on Si substrate Reviewed

L. Miao, Y. Ieda, S. Tanemura, Y. G. Cao, M. Tanemura, Y. Hayashi, S. Toh, K. Kaneko

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   8 ( 6 )   443 - 447   2007.9

Ultrafast carrier dynamics on conjugated poly(3-hexylthiophene)/[6,6]-phenylC(61)-butyric acid methyl ester composites Reviewed

Emmanouil Lioudakis, Andreas Othonos, Ioannis Alexandrou, Yasuhiko Hayashi

APPLIED PHYSICS LETTERS   91 ( 11 )   2007.9

Facile fabrication and structural studies of filtered Ge nanowires from aged Al-Ge alloy Reviewed

Keisuke Sato, Kenji Kaneko, Tomoharu Tokunaga, Yasuhiko Hayashi, Zenji Horita

SCRIPTA MATERIALIA   57 ( 3 )   281 - 284   2007.8

Synthesis, morphology and random laser action of ZnO nanostructures Reviewed

L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, Y. G. Cao

SURFACE SCIENCE   601 ( 13 )   2660 - 2663   2007.7

Encapsluation of Co and Pd multi-metal nanowires inside multiwalled carbon nanotubes by microwave plasma chemical vapor deposition Reviewed

Yasuhiko Hayashi, T. Fujita, T. Tokunaga, K. Kaneko, T. Butler, N. Rupesinghe, J. D. Carey, S. R. P. Silva, G. A. J. Amaratunga

DIAMOND AND RELATED MATERIALS   16 ( 4-7 )   1200 - 1203   2007.4

Encapsulation of segmented Pd-Co nanocomposites into vertically aligned carbon nanotubes by plasma-hydrogen-induced demixing Reviewed

Takeshi Fujita, Yasuhiko Hayashi, Tomoharu Tokunaga, T. Butler, N. L. Rupesinghe, K. B. K. Teo, G. A. J. Amaratunga

APPLIED PHYSICS LETTERS   90 ( 13 )   2007.3

Morphological and optical characterization of post-annealed ZnO films prepared by sol-gel method Reviewed

F. Y. Ran, L. Miao, S. Tanemura, M. Tanemura, Y. G. Cao, Y. Kuno, Y. Hayashi, Y. Mori

TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 32, NO 4   32 ( 4 )   1247 - 1250   2007

Microstructure analyses of metal-filled carbon nanotubes synthesized by microwave plasma-enhanced chemical vapor deposition Reviewed

Yasuhiko Hayashi, Tomoharu Tokunaga, Kenji Kaneko, Simon J. Henley, Vlad Stolojan, J. David Carey, S. R. P. Silva

IEEE TRANSACTIONS ON NANOTECHNOLOGY   5 ( 5 )   485 - 490   2006.9

Demixing of solid-soluted Co-Pd binary alloy induced by microwave plasma hydrogen irradiation technique Reviewed

Tomoharu Tokunaga, Yasuhiko Hayashi, Takeshi Fujita, S. R. P. Silva, G. A. J. Amaratunga

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS   45 ( 29-32 )   L860 - L863   2006.8

Low resistivity p-ZnO films fabricated by sol-gel spin coating Reviewed

Yongge Cao, Lei Miao, Sakae Tanemura, Masaki Tanemura, Yohei Kuno, Yasuhiko Hayashi

APPLIED PHYSICS LETTERS   88 ( 25 )   2006.6

Cobalt nanorods fully encapsulated in carbon nanotube and magnetization measurements by off-axis electron holography Reviewed

T Fujita, Y Hayashi, T Tokunaga, K Yamamoto

APPLIED PHYSICS LETTERS   88 ( 24 )   2006.6

Characterization of transport properties of multiwalled carbon nanotube networks by microwave plasma chemical vapor deposition Reviewed

Yasuhiko Hayashi, T. Tokunaga, K. Kaneko, Z. Horita

DIAMOND AND RELATED MATERIALS   15 ( 4-8 )   1138 - 1142   2006.4

Characterization of amorphous carbon nitride by bottom-gated thin-film structure Reviewed

Yasuhiko Hayashi, N. Kamada, T. Soga, T. Jimbo

DIAMOND AND RELATED MATERIALS   15 ( 4-8 )   1015 - 1018   2006.4

Optical properties of indium-doped ZnO films Reviewed

YG Cao, L Miao, S Tanemura, M Tanemura, Y Kuno, Y Hayashi, Y Mori

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   45 ( 3A )   1623 - 1628   2006.3

Microstructure analyses of metal-filled carbon nanotubes synthesized by microwave plasma-enhanced chemical vapour deposition Reviewed

Y. Hayashi, T. Tokunaga, K. Kaneko, S. J. Henley, V. Stolojan, J. D. Carey, S. R. P. Silva

2006 IEEE CONFERENCE ON EMERGING TECHNOLOGIES - NANOELECTRONICS   5 ( 5 )   93 - +   2006

Investigation of PCBM concentration on photovoltaic characteristics of polymer solar cells with blends of P3HT and PCBM Reviewed

Yasuhiko Hayashi, K. Hamada, K. Takagi, A. Takasu, S. Takagi, T. Soga

CONFERENCE RECORD OF THE 2006 IEEE 4TH WORLD CONFERENCE ON PHOTOVOLTAIC ENERGY CONVERSION, VOLS 1 AND 2   1   271 - 274   2006

Microstructure analyses of metal-filled carbon nanotubes synthesized by microwave plasma-enhanced chemical vapour deposition Reviewed

Y. Hayashi, T. Tokunaga, K. Kaneko, S. J. Henley, V. Stolojan, J. D. Carey, S. R. P. Silva

2006 IEEE CONFERENCE ON EMERGING TECHNOLOGIES - NANOELECTRONICS   2006   93 - +   2006

A study on visually disabled person support system utilizing led traffic light with visible light communication technology Reviewed

Suzuki K, Fujita M, Fukuzono K, Mizuno H, Hayashi Y

13th World Congress on Intelligent Transport Systems and Services   2006

Effects of indium incorporation on the optical properties of ZnO films Reviewed

Cao, Y., Miao, L., Tanemura, S., Hayashi, Y., Tanemura, M.

Advanced Materials Research   11-12   159 - 162   2006

Structural and optical characterization of ZnO single crystalline nanobamboos Reviewed

L Miao, S Tanemura, Y Hayashi, M Tanemura, RP Wang, S Toh, K Kaneko

INTERNATIONAL JOURNAL OF MODERN PHYSICS B   19 ( 15-17 )   2804 - 2810   2005.7

Formation of wedge-shaped carbon film by chemical vapor deposition method and observation using transmission electron microscopy Reviewed

K Kaneko, R Nagayama, K Inoke, WJ Moon, Z Horita, Y Hayashi, T Tokunaga

SCRIPTA MATERIALIA   52 ( 12 )   1205 - 1209   2005.6

Effect of rf power on the photovoltaic properties of boron-doped amorphous carbon/n-type silicon junction fabricated by plasma enhanced chemical vapor deposition Reviewed

T Soga, T Kokubu, Y Hayashi, T Jimbo

THIN SOLID FILMS   482 ( 1-2 )   86 - 89   2005.6

Influence of structure and C-60 composition on properties of blends and bilayers of organic donor-acceptor polymer/C-60 photovoltaic devices Reviewed

Y Hayashi, Yamada, I, S Takagi, A Takasu, T Soga, T Jimbo

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS   44 ( 3 )   1296 - 1300   2005.3

Synthesis and characterization of metal-filled carbon nanotubes by microwave plasma chemical vapor deposition Reviewed

Y Hayashi, T Tokunaga, S Toh, WJ Moon, K Kaneko

DIAMOND AND RELATED MATERIALS   14 ( 3-7 )   790 - 793   2005.3

Efficient nitrogen incorporation into amorphous carbon films by double beam method Reviewed

Y Hayashi, T Kamio, T Soga, K Kaneko, T Jimbo

DIAMOND AND RELATED MATERIALS   14 ( 3-7 )   970 - 974   2005.3

Facile fabrication method for p/n-type and ambipolar transport polyphenylenevinylene-based thin-film field-effect transistors by blending C-60 fullerene Reviewed

Y Hayashi, H Kanamori, Yamada, I, A Takasu, S Takagi, K Kaneko

APPLIED PHYSICS LETTERS   86 ( 5 )   1 - 3   2005.1

Development of new materials for solar cells in Nagoya Institute of Technology Reviewed

T Jimbo, T Soga, Y Hayashi

SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS   6 ( 1 )   27 - 33   2005.1

LPE法によるInGaP結晶成長のシミューション

諏澤 寛源, 平松 和政, 神保 孝志, 曽我 哲夫, 林 靖彦

化学工学会 研究発表講演要旨集   2005   606 - 606   2005