Search Results - "Watanuki, Tetsu"

Pressure–Volume Relationship of a Au–Al–Yb Intermediate Valence Quasicrystal and Its Crystalline Approximant by Watanuki, Tetsu, Machida, Akihiko, Ishimasa, Tsutomu

“…Synchrotron X-ray diffraction experiments of an icosahedral Au–Al–Yb quasicrystal and its 1/1 crystalline approximant were performed under quasi-hydrostatic…”
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Enhanced Negative Thermal Expansion Induced by Simultaneous Charge Transfer and Polar–Nonpolar Transitions by Nishikubo, Takumi, Sakai, Yuki, Oka, Kengo, Watanuki, Tetsu, Machida, Akihiko, Mizumaki, Masaichiro, Maebayashi, Koki, Imai, Takashi, Ogata, Takahiro, Yokoyama, Keisuke, Okimoto, Yoichi, Koshihara, Shin-ya, Hojo, Hajime, Mizokawa, Takashi, Azuma, Masaki

“…Negative thermal expansion (NTE) induced by simultaneous mechanisms, that is, charge transfer and polar–nonpolar transitions, was observed for the first time…”
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Effects of rolling and annealing on hydrogen permeability and crystal orientation in Nb-TiNi two-phase alloys by Ishikawa, Kazuhiro, Saeki, Yoshihide, Miyajima, Yoji, Watanuki, Tetsu, Machida, Akihiko

“…The Nb19Ti40Ni41 alloy has a lamellar structure with bcc-Nb and B2-TiNi phases. It is known that a granule Nb phase forms in the TiNi matrix after thermal…”
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Hydrogenation reaction of Co3Ti alloy under high pressure and high temperature by Saitoh, Hiroyuki, Morimoto, Masahiro, Watanuki, Tetsu, Sato, Toyoto, Takagi, Shigeyuki, Orimo, Shin-ichi

“…To synthesize a novel titanium-containing hydride, a Co3Ti alloy with a Cu3Au-type structure was hydrogenated at 9 GPa and 900 °C. Structural changes under…”
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Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer by Azuma, Masaki, Chen, Wei-tin, Seki, Hayato, Czapski, Michal, Olga, Smirnova, Oka, Kengo, Mizumaki, Masaichiro, Watanuki, Tetsu, Ishimatsu, Naoki, Kawamura, Naomi, Ishiwata, Shintaro, Tucker, Matthew G., Shimakawa, Yuichi, Attfield, J. Paul

“…The unusual property of negative thermal expansion is of fundamental interest and may be used to fabricate composites with zero or other controlled thermal…”
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Nanostructural Perspective for Destabilization of Mg Hydride Using the Immiscible Transition Metal Mn by Lu, Yanshan, Asano, Kohta, Schreuders, Herman, Kim, Hyunjeong, Sakaki, Kouji, Machida, Akihiko, Watanuki, Tetsu, Dam, Bernard

“…Phase segregation in hydride-forming alloys may persist under the action of multiple hydrogenation/dehydrogenation cycles. We use this effect to destabilize…”
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Direct observation of magnetic Friedel oscillation at Fe(001) surface by Mitsui, Takaya, Sakai, Seiji, Li, Songtian, Ueno, Tetsuro, Watanuki, Tetsu, Kobayashi, Yasuhiro, Masuda, Ryo, Seto, Makoto, Akai, Hisazumi

“…Surface magnetism of Fe (001) was investigated by the in situ iron-57 probe layer method with a synchrotron Mössbauer source. The observed layer-by-layer…”
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Temperature Dependence of Yb Valence in an Au–Al–Yb Intermediate-Valence Quasicrystal Investigated by Yb L3-Edge X-ray Absorption Near-Edge Structure Spectroscopy by Watanuki, Tetsu, Mizumaki, Masaichiro, Watanabe, Shinji, Kawamura, Naomi, Nitta, Kiyofumi, Machida, Akihiko, Ishimasa, Tsutomu

“…In this paper, we investigate the temperature dependence of Yb valence in an Au–Al–Yb intermediate-valence quasicrystal by Yb L3-edge synchrotron X-ray…”
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Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca2RuO4 by Hu, Lei, Zhu, Yingcai, Fang, Yue-Wen, Fukuda, Masayuki, Nishikubo, Takumi, Pan, Zhao, Sakai, Yuki, Kawaguchi, Shogo, Das, Hena, Machida, Akihiko, Watanuki, Tetsu, Mori, Shigeo, Takenaka, Koshi, Azuma, Masaki

“…Negative thermal expansion (NTE) is an intriguing physical phenomenon. Layered Ca2RuO4 exhibits giant NTE over a wide temperature range from 200 to 400 K,…”
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Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3 by Liu, Zhehong, Sakai, Yuki, Yang, Junye, Li, Wenmin, Liu, Ying, Ye, Xubin, Qin, Shijun, Chen, Jinming, Agrestini, Stefano, Chen, Kai, Liao, Sheng-Chieh, Haw, Shu-Chih, Baudelet, Francois, Ishii, Hirofumi, Nishikubo, Takumi, Ishizaki, Hayato, Yamamoto, Tatsuru, Pan, Zhao, Fukuda, Masayuki, Ohashi, Kotaro, Matsuno, Kana, Machida, Akihiko, Watanuki, Tetsu, Kawaguchi, Saori I, Arevalo-Lopez, Angel M, Jin, Changqing, Hu, Zhiwei, Attfield, J. Paul, Azuma, Masaki, Long, Youwen

“…Spin state transitions and intermetallic charge transfers can essentially change material structural and physical properties while excluding external chemical…”
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Unveiling Nanoscale Compositional and Structural Heterogeneities of Highly Textured Mg0.7Ti0.3Hy Thin Films by Kim, Hyunjeong, Schreuders, Herman, Sakaki, Kouji, Asano, Kohta, Nakamura, Yumiko, Maejima, Naoyuki, Machida, Akihiko, Watanuki, Tetsu, Dam, Bernard

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Bragg coherent diffraction imaging allowing simultaneous retrieval of three-dimensional shape and strain distribution for 40–500 nm particles by Oshime, Norihiro, Ohwada, Kenji, Sugawara, Kento, Abe, Tomohiro, Yamauchi, Reiji, Ueno, Tetsuro, Machida, Akihiko, Watanuki, Tetsu, Ueno, Shintaro, Fujii, Ichiro, Wada, Satoshi, Sato, Ryota, Teranishi, Toshiharu, Yamauchi, Miho, Ishii, Kenji, Toyokawa, Hidenori, Momma, Koichi, Kuroiwa, Yoshihiro

“…We report the improvement of an apparatus for Bragg coherent X-ray diffraction imaging (Bragg-CDI) at BL22XU in SPring-8 to expand the applicable particle size…”
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X-ray microscope for imaging topological charge and orbital angular momentum distribution formed by chirality by Kohmura, Yoshiki, Sawada, Kei, Mizumaki, Masaichiro, Ohwada, Kenji, Watanuki, Tetsu, Ishikawa, Tetsuya

“…The distribution of topological charges on X-ray vortices was measured by differential Fourier space filtering microscope, differential radial Hilbert…”
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Formation of an Intermediate Valence Icosahedral Quasicrystal in the Au–Sn–Yb System by Yamada, Tsunetomo, Nakamura, Yoko, Watanuki, Tetsu, Machida, Akihiko, Mizumaki, Masaichiro, Nitta, Kiyofumi, Sato, Akira, Matsushita, Yoshitaka, Tsai, An-Pang

“…We report on the formation of a new icosahedral quasicrystal (iQC) in the Au–Sn–Yb alloy system. This iQC has a primitive icosahedral lattice with a lattice…”
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Polarization- and Strain-Mediated Control of Negative Thermal Expansion and Ferroelasticity in BiInO3–BiZn1/2Ti1/2O3 by Nishikubo, Takumi, Ogata, Takahiro, Venkataraman, Lalitha Kodumudi, Isaia, Daniel, Pan, Zhao, Sakai, Yuki, Hu, Lei, Kawaguchi, Shogo, Machida, Akihiko, Watanuki, Tetsu, Yu, Hongwu, Okimoto, Yoichi, Koshihara, Shin-ya, Mori, Shigeo, Rödel, Jürgen, Azuma, Masaki

“…A solid solution between polar perovskite oxides BiInO3 and BiZn1/2Ti1/2O3 with the atomic displacement of Bi3+ and B-site (In and Zn1/2Ti1/2) as the origin of…”
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New PbTiO3‑Type Giant Tetragonal Compound Bi2ZnVO6 and Its Stability under Pressure by Yu, Runze, Hojo, Hajime, Oka, Kengo, Watanuki, Tetsu, Machida, Akihiko, Shimizu, Keisuke, Nakano, Kiho, Azuma, Masaki

“…A new PbTiO3-type compound, Bi2ZnVO6, with a giant tetragonal distortion of c/a = 1.26 (a = 3.7869(3) Å, c = 4.7660(7) Å) was synthesized under high…”
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Pressure-Induced Collapse of the Guest Eu Off-Centering in Type-I Clathrate Eu8Ga16Ge30 by Ishimatsu, Naoki, Yokoyama, Kei, Onimaru, Takahiro, Takabatake, Toshiro, Suekuni, Koichiro, Kawamura, Naomi, Tsutsui, Satoshi, Mizumaki, Masaichiro, Ina, Toshiaki, Watanuki, Tetsu, Cuartero, Vera, Mathon, Olivier, Pascarelli, Sakura, Nishibori, Eiji, Irifune, Tetsuo

“…We have revealed the pressure-induced collapse of the guest Eu off-centering in type-I clathrate Eu8Ga16Ge30 by the measurements of extended X-ray absorption…”
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Structural Variation of Self-Organized Mg Hydride Nanoclusters in Immiscible Ti Matrix by Hydrogenation by Asano, Kohta, Kim, Hyunjeong, Sakaki, Kouji, Jimura, Keiko, Hayashi, Shigenobu, Nakamura, Yumiko, Ikeda, Kazutaka, Otomo, Toshiya, Machida, Akihiko, Watanuki, Tetsu

“…Hydrogenation of nonequilibrium alloys may form nanometer-sized metal hydride clusters, depending on the alloy compositions and hydrogenation conditions. Here…”
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Metallurgical Synthesis of Mg2FexSi1-x Hydride: Destabilization of Mg2FeH6 Nanostructured in Templated Mg2Si by Asano, Kohta, Kim, Hyunjeong, Sakaki, Kouji, Nakamura, Yumiko, Wang, Yongming, Isobe, Shigehito, Doi, Masaaki, Fujita, Asaya, Maejima, Naoyuki, Machida, Akihiko, Watanuki, Tetsu, Westerwaal, Ruud J, Schreuders, Herman, Dam, Bernard

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The ferroelectric phase transition in a 500 nm sized single particle of BaTiO3 tracked by coherent X-ray diffraction by Oshime, Norihiro, Ohwada, Kenji, Machida, Akihiko, Fukushima, Nagise, Ueno, Shintaro, Fujii, Ichiro, Wada, Satoshi, Sugawara, Kento, Shimada, Ayumu, Ueno, Tetsuro, Watanuki, Tetsu, Ishii, Kenji, Toyokawa, Hidenori, Momma, Koichi, Kim, Sangwook, Tsukada, Shinya, Kuroiwa, Yoshihiro

“…The shapes and sizes of grains influence the anisotropy of crystal structures and the configuration of ferroelectric domains. In order to better understand…”
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