Search Results - "Kyono, Atsushi"

Temperature dependence of amorphous magnesium carbonate structure studied by PDF and XAFS analyses by Yamamoto, Gen-ichiro, Kyono, Atsushi, Okada, Satoru

“…Mineral trapping through the precipitation of carbonate minerals is a potential approach to reduce CO 2 accumulation in the atmosphere. The temperature…”
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Thermal decomposition process of dypingite Mg5(CO3)4(OH)2·5H2O by Yamamoto, Gen-ichiro, Kyono, Atsushi, Okada, Satoru

“…•Dypingite possesses an identical local structure as that of hydromagnesite.•Dypingite transformed to the high-temperature structure until 100 °C, but its…”
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Visualization of transformation toughening of zirconia ceramics during dynamic fracture by Takagi, Sota, Inukai, Koji, Kawai, Nobuaki, Nozawa, Shunsuke, Kyono, Atsushi, Fukaya, Ryo, Adachi, Shin-ichi, Ichiyanagi, Kouhei

“…Establishing a mechanistic understanding of dynamic fracture is critical for the design of efficient and safe structural materials. Transformation toughening…”
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In situ and ex situ studies on thermal decomposition process of hydromagnesite Mg5(CO3)4(OH)2·4H2O by Yamamoto, Gen-ichiro, Kyono, Atsushi, Sano, Yoshinari, Matsushita, Yoshitaka, Yoneda, Yasuhiro

“…We investigated crystal structure and the local structure changes during the thermal decomposition of hydromagnesite by using in situ high-temperature XRD and…”
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Phase transition and melting in zircon by nanosecond shock loading by Takagi, Sota, Ichiyanagi, Kouhei, Kyono, Atsushi, Kawai, Nobuaki, Nozawa, Shunsuke, Ozaki, Norimasa, Seto, Yusuke, Okuchi, Takuo, Nitta, Souma, Okada, Satoru, Miyanishi, Kohei, Sueda, Keiichi, Togashi, Tadashi, Yabuuchi, Toshinori

“…In this study, we use laser-driven shock compression coupled with in situ X-ray diffraction to interrogate the phase transition dynamics of shock-compressed…”
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In Situ Observation of the Phase Transition Behavior of Shocked Baddeleyite by Takagi, Sota, Kyono, Atsushi, Nozawa, Shunsuke, Kawai, Nobuaki, Inukai, Koji, Fukaya, Ryo, Funamori, Nobumasa, Adachi, Shin‐ichi, Ichiyanagi, Kouhei

“…Baddeleyite (ZrO2) is used to infer shock pressures and understand the impact history of planetary bodies. Although the high‐pressure phase transition behavior…”
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Can quasicrystals survive in planetary collisions? by Stagno, Vincenzo, Bindi, Luca, Takagi, Sota, Kyono, Atsushi

“…We investigated the compressional behavior of i-AlCuFe quasicrystal using diamond anvil cell under quasi-hydrostatic conditions by in situ angle-dispersive…”
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The co-evolution of Fe-oxides, Ti-oxides, and other microbially induced mineral precipitates in sandy sediments; understanding the role of cyanobacteria in weathering and early diagenesis by Bower, Dina M, Hummer, Daniel R, Steele, Andrew, Kyono, Atsushi

“…Changes in composition during the transition from sediment to rock are usually attributed to long, complicated histories and atmospheric influences, while the…”
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X-ray diffraction study of the icosahedral AlCuFe quasicrystal at megabar pressures by Takagi, Sota, Kyono, Atsushi, Mitani, Saki, Sugano, Neo, Nakamoto, Yuki, Hirao, Naohisa

“…We report in-situ synchrotron X-ray diffraction study of icosahedral (i)-AlCuFe quasicrystal (QC) at high pressure up to 104GPa under ambient temperature using…”
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The influence of the Jahn–Teller effect at Fe2+ on the structure of chromite at high pressure by Kyono, Atsushi, Gramsch, Stephen A., Yamanaka, Takamitsu, Ikuta, Daijo, Ahart, Muhtar, Mysen, Bjørn O., Mao, Ho-kwang, Hemley, Russell J.

“…The crystal structure of chromite FeCr 2 O 4 was investigated to 13.7 GPa and ambient temperature with single-crystal X-ray diffraction techniques. The…”
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Single crystal growth of lead vanado-chlorapatite Pb5(VO4)3Cl using CsCl flux method by Masaoka, Mikio, Kyono, Atsushi

“…We report a crystal growth method of lead vanado-chlorapatite (vanadinite) Pb5(VO4)3Cl single crystals using a CsCl flux. X-ray powder diffraction, scanning…”
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Temperature dependence of orientationally disordered SO4 tetrahedra in mirabilite (Na2SO4·10H2O) by Ikeda, Ryutaro, Kyono, Atsushi

“…Mirabilite (Na2SO4⋅10H2O) is one of the representative phase change materials. Temperature dependent structural behavior of mirabilite was investigated by…”
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Ab initio quantum chemical investigation of arsenic sulfide molecular diversity from As4S6 and As4 by Kyono, Atsushi

“…The structural diversity of arsenic sulfide molecules in compositions between As 4 S 6 and As 4 was investigated using ab initio quantum chemical calculations…”
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Structural variations of amorphous magnesium carbonate during nucleation, crystallization, and decomposition of nesquehonite MgCO3·3H2O by Yamamoto, Gen-ichiro, Kyono, Atsushi, Okada, Satoru

“…Carbonate minerals are major contributors to carbon sequestration in geological deposits; however, their nature and behavior remain unclear. Amorphous…”
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Growth and Raman spectroscopic characterization of As sub(4)S sub(4) (II) single crystals by Kyono, Atsushi

“…As described by Kutoglu (1976 [16]), single crystals of As sub(4)S sub(4) (II) phase have been grown using a new two-step synthesis that drastically increases…”
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Growth and Raman spectroscopic characterization of As 4S 4 (II) single crystals by Kyono, Atsushi

“…As described by Kutoglu (1976 [16]), single crystals of As 4S 4 (II) phase have been grown using a new two-step synthesis that drastically increases the…”
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A reply to comment on “An experimental study of symmetry lowering of analcime” by Kyono, Atsushi

“…The fracture surfaces of analcimes reported by Sugano and Kyono (Phys Chem Miner, 2018) were re-investigated using field-emission scanning electron microscopy…”
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Experimental study of the effect of light intensity on arsenic sulfide (As 4S 4) alteration by Kyono, Atsushi

“…Correlation between light-induced alteration of arsenic sulfide (mineral name: realgar, As 4S 4) and irradiated light intensity was investigated using in situ…”
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In situ and ex situ studies on thermal decomposition process of hydromagnesite Mg.sub.5.sub.2·4H.sub.2O by Yamamoto, Gen-ichiro, Kyono, Atsushi, Sano, Yoshinari, Matsushita, Yoshitaka, Yoneda, Yasuhiro

“…We investigated crystal structure and the local structure changes during the thermal decomposition of hydromagnesite by using in situ high-temperature XRD and…”
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In situ and ex situ studies on thermal decomposition process of hydromagnesite Mg.sub.5 by Yamamoto, Gen-ichiro, Kyono, Atsushi, Sano, Yoshinari, Matsushita, Yoshitaka, Yoneda, Yasuhiro

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