Search Results - "Machida, Akihiko"

Experimental elucidation of a cubane water cluster in the hydrophobic cavity of UiO-66 by Sonobe, Kazutaka, Tominaka, Satoshi, Machida, Akihiko

“…Nanoscale water plays a pivotal role in determining the properties and functionalities of materials, and the precise control of its quantity and atomic-scale…”
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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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Effect of magnesium silicate hydrate (M-S-H) formation on the local atomic arrangements and mechanical properties of calcium silicate hydrate (C-S-H): In situ X-ray scattering study by Kim, Gyeongryul, Im, Sumin, Jee, Hyeonseok, Suh, Heongwon, Cho, Seongmin, Kanematsu, Manabu, Morooka, Satoshi, Koyama, Taku, Nishio, Yuhei, Machida, Akihiko, Kim, Jihoon, Bae, Sungchul

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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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Zeolitic intralayer microchannels of magadiite, a natural layered silicate, to boost green organic synthesis by Ide, Yusuke, Tominaka, Satoshi, Kono, Hiroyuki, Ram, Rahul, Machida, Akihiko, Tsunoji, Nao

“…Despite the considerable attention given to the applications of magadiite in previous research, the properties of this natural layered silicate have remained…”
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Crystal and Magnetic Structures of Double Hexagonal Close-Packed Iron Deuteride by Saitoh, Hiroyuki, Machida, Akihiko, Iizuka-Oku, Riko, Hattori, Takanori, Sano-Furukawa, Asami, Funakoshi, Ken-ichi, Sato, Toyoto, Orimo, Shin-ichi, Aoki, Katsutoshi

“…Neutron powder diffraction profiles were collected for iron deuteride (FeD x ) while the temperature decreased from 1023 to 300 K for a pressure range of 4–6…”
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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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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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Mixed-valence state and structure changes of EuHx (x = 2 and 2 < x ≤ 3) under high-pressure H2 atmosphere by Kuno, Keiji, Matsuoka, Takahiro, Masuda, Ryo, Mitsui, Takaya, Seto, Makoto, Machida, Akihiko, Fujihisa, Hiroshi, Hirao, Naohisa, Ohishi, Yasuo, Shimizu, Katsuya, Sasaki, Shigeo

“…•Eu2+ and Eu3+ mixed-valence state phases were observed in EuHx for the first time.•Structural and valence phase diagram of EuH2 and EuHx (2< x ≤ 3) compressed…”
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Addendum: Site occupancy of interstitial deuterium atoms in face-centred cubic iron by Machida, Akihiko, Saitoh, Hiroyuki, Sugimoto, Hidehiko, Hattori, Takanori, Sano-Furukawa, Asami, Endo, Naruki, Katayama, Yoshinori, Iizuka, Riko, Sato, Toyoto, Matsuo, Motoaki, Orimo, Shin-ichi, Aoki, Katsutoshi

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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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Pressure cells for in situ neutron total scattering: time and real‐space resolution during deuterium absorption by Ikeda, Kazutaka, Ohshita, Hidetoshi, Otomo, Toshiya, Sakaki, Kouji, Kim, Hyunjeong, Nakamura, Yumiko, Machida, Akihiko, Von Dreele, Robert B.

“…In situ gas‐loading sample holders for two‐dimensionally arranged detectors in time‐of‐flight neutron total scattering experiments have been developed to…”
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Hexagonal Close-packed Iron Hydride behind the Conventional Phase Diagram by Machida, Akihiko, Saitoh, Hiroyuki, Hattori, Takanori, Sano-Furukawa, Asami, Funakoshi, Ken-ichi, Sato, Toyoto, Orimo, Shin-ichi, Aoki, Katsutoshi

“…Hexagonal close-packed iron hydride, hcp FeH x , is absent from the conventional phase diagram of the Fe–H system, although hcp metallic Fe exists stably over…”
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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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Condensed ferric dimers for green photocatalytic synthesis of nylon precursors by Ide, Yusuke, Tominaka, Satoshi, Yoneno, Yumi, Komaguchi, Kenji, Takei, Toshiaki, Nishida, Hidechika, Tsunoji, Nao, Machida, Akihiko, Sano, Tsuneji

“…Although iron oxides have been extensively studied as photocatalysts because of their abundance and environmental compatibility, their performance is…”
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Site occupancy of interstitial deuterium atoms in face-centred cubic iron by Machida, Akihiko, Saitoh, Hiroyuki, Sugimoto, Hidehiko, Hattori, Takanori, Sano-Furukawa, Asami, Endo, Naruki, Katayama, Yoshinori, Iizuka, Riko, Sato, Toyoto, Matsuo, Motoaki, Orimo, Shin-ichi, Aoki, Katsutoshi

“…Hydrogen composition and occupation state provide basic information for understanding various properties of the metal–hydrogen system, ranging from microscopic…”
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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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Formation of BCC TiFe hydride under high hydrogen pressure by Endo, Naruki, Saitoh, Hiroyuki, Machida, Akihiko, Katayama, Yoshinori

“…We investigated the hydrogenation of a binary TiFe alloy at 5 GPa and 600 °C by in situ synchrotron radiation X-ray diffraction measurements. After formation…”
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