Faculty Profiles - IKEDA Naoshi

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Relaxor-like behavior of λ-(BETS)_2FeCl_4

Komiyama S., Watanbe M., Kiyanagi R., Noda Y., Ikeda N., Negishi E., Toyota N.

Meeting abstracts of the Physical Society of Japan 58 ( 1 ) 797 - 797 2003.3

Low temperature structures in (TMTTF)_2X 3

Nogami Y., Kambe T., Nagao N., Fujiwara M., Oshima K., Nakamura T., Ikeda N.

Meeting abstracts of the Physical Society of Japan 58 ( 1 ) 790 - 790 2003.3

Powder diffraction of two dimensional hydrogen-bonded material Squaric-acid under high pressure

Naoshi Ikeda, H. Ohsumi, Yukio Noda, Hiroyuki Kimura, Masashi Watanabe, Z. L. Xian, Y. Kuroiwa

SPring-8 User Experiment Report 8 72 - 72 2002.4

Crystal structure analysis of the low-temperature phase of BaVS₃ using a vacuum camera

Toshiya Inami, Masashi Watanabe, Hiroyuki Kimura, Hiroyuki Nakamura, Kenji Ohwada, Yukio Noda, Naoshi Ikeda, Yoichi Murakami, Y. Ozawa, Koshiro Toriumi

SPring-8 User Experiment Report 8 18 - 18 2002

Instrumenttaional development of BL02B1

N. Ikeda, H. Ohsumi, Y. Noda, H. Kimura, M. Watanabe, Z. L. Xian, Y. Kuroiwa

SPring-8 User Experiment Report 8 21 - 21 2002

Structural phase transition of BaVS_3 at T_<MI>

Inami T., Kimura H., Nakamura H., Ohwada K., Noda Y., Yamasaki T., Shiga M., Ikeda N., Murakami Y.

Meeting abstracts of the Physical Society of Japan 56 ( 2 ) 358 - 358 2001.9

The construction and the present condition of BL46XU

Mizumaki Masaichiro, Ikeda Naoshi, Akao Takahiro, Ohsumi Hiroyuki, Suematsu Hiroyoshi

Meeting abstracts of the Physical Society of Japan 56 ( 2 ) 811 - 811 2001.9

Structure and Physical Properties in Low Temperature YFe_2O_4

Ikeda Naoshi, Mori Ryosuke, Kohn Kay, Takano Yoshiki

Meeting abstracts of the Physical Society of Japan 56 ( 2 ) 312 - 312 2001.9

XANES study of charge ordering on the spin-Peierls phase transition of α′-NaV2O5

Takahisa Shobu, Takahisa Shobu, Yukio Noda, Emi Ninomiya, Hiroshi Sawa, Shin Ichi Nagamatsu, Takashi Fujikawa, Yutaka Ueda, Masahiko Isobe, Naoshi Ikeda, Tomoya Uruga

Journal of Synchrotron Radiation 8 746 - 748 2001.3

α′-NaV2O5 transforms at TC = 34K, and the origin of the phase transition seems to be caused by the charge order and spin-Peierls mechanism. However the experiments which reveal the existence of charge order are very little. We measured XANES of V atoms which relates to the valence of V. It was found that the valences of V atoms in NaV2O5 were V4.5+ in the high temperature phase by comparing pre-edge and XANES of NaV2O5 with that of LiV2O5, CaV2O5 and V2O5. The analysis of EXAFS also shows the environment of the V4.5+ state.

DOI： 10.1107/S0909049500020872

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Devil's Flower Case of Isolated Hydrogen-Bonded Compound, d-BrHPLN, at High Pressure and Low Temperature?

R. Kiyanagi, H. Kimura, M. Watanabe, Y. Noda, T. Shobu, N. Ikeda, M. Mizumaki

SPring-8 User Experiment Report 7 229 - 229 2001

X-ray Diffraction Study on Metal-insulator Transition in BaVS₃

T. Inami, H. Kimura, H. Nakamura, K. Ohwada, Y. Noda, N. Ikeda, Y. Murakami

SPring-8 User Experiment Report 7 19 - 19 2001

Current Status of Single Crystal SR X-ray Structure Analysis at High Pressure at SPring-8

Yukio Noda, Takahisa Shobu, Naoshi Ikeda

The Review of High Pressure Science, Technology 11 ( 3 ) 211 - 219 2001

Language：Japanese Publisher：The Japan Society of High Pressure Science and Technology

In this article, we review recent activities at BL02B1 at SPring-8 in the field of single-crystal and high-pressure X-ray diffraction experiments. A comparison of experiments performed two decades ago with the new frontier experiments is also shown. Special attention is paid to the importance of the quantitative arguments. The chracteristics of the single-crystal and high-pressure experiments are also compared with the powder-sample and high-pressure experiments.

DOI： 10.4131/jshpreview.11.211

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Low Temperature Structure of SrV_6O_<11>

Ikeda N., Mizumaki M., Hata Y., Kita E., Nishibori E., Takata M., Kanke Y., Ikeda T.

Meeting abstracts of the Physical Society of Japan 55 ( 2 ) 343 - 343 2000.9

Examination on the structural change at the magnetic field-induced insulator-to-metal transition in Eu_<0.6>Sr_<0.4>MnO_3

Nakamura S., Shimomura S., Ikeda N., Suzuki M.

Meeting abstracts of the Physical Society of Japan 55 ( 2 ) 495 - 495 2000.9

"Devil's Staircase" Type Phase Trasition of NaV_2O_5 under High Pressure

Ohwada K., Nakao H., Katsuki Y., Takesue N., Fujii Y., Isobe M., Ueda Y., Itoh K., Amemiya Y., Wakabayashi Y., Murakami Y., Fujihisa Y., Aoki K., Shoubu T., Noda Y., Ikeda N.

Meeting abstracts of the Physical Society of Japan 55 ( 2 ) 536 - 536 2000.9

Magnetic Properties in the Ce(Fe_>1-x>Co_x)_2

Mizumaki Masaichiro, Kotiya Toshio, Ikeda Naoshi, Yoshii Kenji, Miyagawa Hayato, Nanao Susumu

Meeting abstracts of the Physical Society of Japan 55 ( 1 ) 398 - 398 2000.3

X-ray diffuse scattering study on charge-localized states of Pr_1-xCa_xMnO₃(x=0.35,0.4,0.5)

S. Shimomura, T. Tonegawa, K. Tajima, N. Wakabayashi, N. Ikeda, T. Shobu, Y. Noda, Y. Tomioka, Y. Tokura

Physical Review B 62 ( 6 ) 3875 - 3878 2000

24pPSB-65 Magnetic Properties of Diluted Triangular Magnet LuFeCuO_4

Ikeda N, Nakamura S, Tanaka M, Mizumaki M, Ohnishi N

Meeting abstracts of the Physical Society of Japan 54 ( 2 ) 377 - 377 1999.9

26pPSA-52 Magnetic structure of Er film

Tanaka Yoshikazu, Yamazaki Hiroki, Shimomura Susumu, Ikeda Naoshi

Meeting abstracts of the Physical Society of Japan 54 ( 2 ) 421 - 421 1999.9

Charge Ordering in La1-xSrxMnO3(x〜0.12) (Proceedings of the Second International Conference on SRMS(Synchrotron Radiation in Materials Science)(2))

Japanese Journal of Applied Physics Pt. 1 Regular Papers, Short Notes & Review Papers 38 ( 1 ) 212 - 214 1999.6

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