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(査読中) topic: hydrous–anhydrous mineral reactions and deep-mantle hydration
M. Nishi, K. Takahashi et al.
Nature Geoscience, under peer review. 2026年4月
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Extensive iron–water exchange at Earth’s core–mantle boundary can explain seismic anomalies
Katsutoshi Kawano, Masayuki Nishi, Hideharu Kuwahara, Sho Kakizawa, Toru Inoue, Tadashi Kondo
Nature Communications 2024年10月15日 研究論文(学術雑誌)
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Effect of grain size on amorphization mechanism and kinetics of bridgmanite in shocked meteorites
Masayuki Nishi, Si Jin, Katsutoshi Kawano, Hideharu Kuwahara, Akihiro Yamada, Shogo Kawaguchi, Yuki Mori, Tatsuhiro Sakaiya, Tadashi Kondo
Progress in Earth and Planetary Science Vol. 10 No. 1 2023年7月27日 研究論文(学術雑誌)
出版者・発行元:Springer Science and Business Media LLC
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Bridgmanite Freezing in Shocked Meteorites Due To Amorphization‐Induced Stress
M. Nishi, A. Kaneko, H. Ohgidani, H. Dekura, S. Kakizawa, S. Kawaguchi, S. Kobayashi, T. Sakaiya, T. Kondo
Geophysical Research Letters Vol. 49 No. 13 2022年7月16日 研究論文(学術雑誌)
出版者・発行元:American Geophysical Union ({AGU})
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Chemical Reaction Between Metallic Iron and a Limited Water Supply Under Pressure: Implications for Water Behavior at the Core‐Mantle Boundary
M. Nishi, Y. Kuwayama, T. Hatakeyama, S. Kawaguchi, N. Hirao, Y. Ohishi, T. Irifune
Geophysical Research Letters Vol. 47 No. 19 2020年10月16日 研究論文(学術雑誌)
出版者・発行元:American Geophysical Union ({AGU})
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New aluminium hydroxide at multimegabar pressures: Implications for water reservoirs in deep planetary interiors
Masayuki Nishi, Yasuhiro Kuwayama, Jun Tsuchiya
Icarus Vol. 338 2020年3月 研究論文(学術雑誌)
出版者・発行元:Elsevier {BV}
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Water transport into the deep mantle by hydrous phases
Masayuki Nishi
Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu Vol. 30 No. 2 p. 95-101 2020年 研究論文(学術雑誌)
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Solid Solution and Compression Behavior of Hydroxides in the Lower Mantle
M. Nishi, J. Tsuchiya, Y. Kuwayama, T. Arimoto, Y. Tange, Y. Higo, T. Hatakeyama, T. Irifune
Journal of Geophysical Research: Solid Earth Vol. 124 No. 10 p. 10231-10239 2019年10月24日 研究論文(学術雑誌)
出版者・発行元:American Geophysical Union ({AGU})
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High-pressure phase transitions of anorthosite crust in the Earth's deep mantle
Nishi Masayuki, Greaux Steeve, Tateno Shigehiko, Kuwayama Yasuhiro, Kawai Kenji, Trifune Tetsuo, Maruyama Shigenori
GEOSCIENCE FRONTIERS Vol. 9 No. 6 p. 1859-1870 2018年11月 研究論文(学術雑誌)
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Thermal equation of state of MgSiO<inf>4</inf>H<inf>2</inf>phase H determined by in situ X-ray diffraction and a multianvil apparatus
Nishi, M., Tsuchiya, J., Arimoto, T., Kakizawa, S., Kunimoto, T., Tange, Y., Higo, Y., Irifune, T.
Physics and Chemistry of Minerals p. 1-7 2018年 研究論文(学術雑誌)
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The pyrite-Type high-pressure form of FeOOH
Nishi, M., Kuwayama, Y., Tsuchiya, J., Tsuchiya, T.
Nature Vol. 547 No. 7662 p. 205-208 2017年 研究論文(学術雑誌)
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Phase transitions of serpentine in the lower mantle
M. Nishi, T. Irifune, S. Greaux, Y. Tange, Y. Higo
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 245 p. 52-58 2015年8月 研究論文(学術雑誌)
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下部マントル条件下での拡散律速反応帯成長と非平衡相転移
西 真之
高圧力の科学と技術 Vol. 25 No. 2 p. 172-180 2015年 研究論文(学術雑誌)
出版者・発行元:
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マントル遷移層の非平衡鉱物構成
西 真之
高圧力の科学と技術 Vol. 24 No. 2 p. 136-144 2014年 研究論文(学術雑誌)
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Stability of hydrous silicate at high pressures and water transport to the deep lower mantle
Nishi, M., Irifune, T., Tsuchiya, J., Tange, Y., Nishihara, Y., Fujino, K., Higo, Y.
Nature Geoscience Vol. 7 No. 3 p. 224-227 2014年 研究論文(学術雑誌)
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Growth kinetics of MgSiO3 perovskite reaction rim between stishovite and periclase up to 50 GPa and its implication for grain boundary diffusivity in the lower mantle
Masayuki Nishi, Yu Nishihara, Tetsuo Irifune
EARTH AND PLANETARY SCIENCE LETTERS Vol. 377 p. 191-198 2013年9月 研究論文(学術雑誌)
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Slow Si-Al interdiffusion in garnet and stagnation of subducting slabs
Masayuki Nishi, Tomoaki Kubo, Hiroaki Ohfuji, Takumi Kato, Yu Nishihara, Tetsuo Irifune
EARTH AND PLANETARY SCIENCE LETTERS Vol. 361 p. 44-49 2013年1月 研究論文(学術雑誌)
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Intracrystalline nucleation during the post-garnet transformation under large overpressure conditions in deep subducting slabs
Masayuki Nishi, Tetsuo Irifune, Hiroaki Ohfuji, Yoshinori Tange
GEOPHYSICAL RESEARCH LETTERS Vol. 39 2012年12月 研究論文(学術雑誌)
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Exsolution kinetics of majoritic garnet from clinopyroxene in subducting oceanic crust
Masayuki Nishi, Tomoaki Kubo, Takumi Kato, Aiko Tominaga, Ken-ichi Funakoshi, Yuji Higo
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 189 No. 1-2 p. 47-55 2011年11月 研究論文(学術雑誌)
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Survival of majoritic garnet in diamond by direct kimberlite ascent from deep mantle
Masayuki Nishi, Tomoaki Kubo, Takumi Kato, Aiko Tominaga, Akira Shimojuku, Naoko Doi, Ken-ichi Funakoshi, Yuji Higo
GEOPHYSICAL RESEARCH LETTERS Vol. 37 2010年5月 研究論文(学術雑誌)
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Metastable transformations of eclogite to garnetite in subducting oceanic crust
Masayuki Nishi, Tomoaki Kubo, Takumi Kato
JOURNAL OF MINERALOGICAL AND PETROLOGICAL SCIENCES Vol. 104 No. 3 p. 192-198 2009年6月 研究論文(学術雑誌)
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Survival of pyropic garnet in subducting plates
Masayuki Nishi, Takumi Kato, Tomoaki Kubo, Takumi Kikegawa
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 170 No. 3-4 p. 274-280 2008年11月 研究論文(学術雑誌)
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Limited stability of hydrous SiO<inf>2</inf> stishovite in the deep mantle
Goru Takaichi, Yu Nishihara, Kyoko N. Matsukage, Masayuki Nishi, Yuji Higo, Yoshinori Tange, Noriyoshi Tsujino, Sho Kakizawa
Earth and Planetary Science Letters Vol. 640 2024年8月15日 研究論文(学術雑誌)
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High-temperature phase relations of hydrous aluminosilicates at 22 GPa in the AlOOH-AlSiO3OH system
Goru Takaichi, Masayuki Nishi, Youmo Zhou, Shinichi Machida, Ginga Kitahara, Akira Yoshiasa, Tetsuo Irifune
American Mineralogist 2022年8月1日 研究論文(学術雑誌)
出版者・発行元:Mineralogical Society of America
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高温下時分割放射光回折測定によるブリッジマナイトのアモルファス化反応の研究
西真之
日本結晶学会誌 Vol. 64 No. 4 2022年
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Monoclinic semimetal IrSi synthesized under high pressure above 25 GPa: Crystal structure, electronic, and magnetic properties
Y. Fujishiro, N. Kanazawa, T. Shinmei, M. Nishi, T. Nakajima, T. Arima, D. Hashizume, M. S. Bahramy, T. Irifune, Y. Tokura
Physical Review Materials Vol. 4 No. 5 2020年5月 研究論文(学術雑誌)
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Solubility behavior of δ-AlOOH and ϵ-FeOOH at high pressures
Chaowen Xu, Masayuki Nishi, Toru Inoue
American Mineralogist Vol. 104 p. 1416-1420 2019年10月25日
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Phase relations of MgSiO<inf>3</inf>-FeSiO<inf>3</inf> system up to 64 GPa and 2300 K using multianvil apparatus with sintered diamond anvils
Takeshi Arimoto, Tetsuo Irifune, Masayuki Nishi, Yoshinori Tange, Takehiro Kunimoto, Zhaodong Liu
Physics of the Earth and Planetary Interiors Vol. 295 2019年10月 研究論文(学術雑誌)
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High-pressure phase relation of KREEP basalts: A clue for finding the lost Hadean crust?
Steeve Gréaux, Masayuki Nishi, Shigehiko Tateno, Yasuhiro Kuwayama, Naohisa Hirao, Kenji Kawai, Shigenori Maruyama, Tetsuo Irifune
Physics of the Earth and Planetary Interiors Vol. 274 p. 184-194 2018年1月1日 研究論文(学術雑誌)
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Phase Relations in the System MgSiO3-Al2O3 up to 2300K at Lower Mantle Pressures
Zhaodong Liu, Masayuki Nishi, Takayuki Ishii, Hongzhan Fei, Nobuyoshi Miyajima, Tiziana Boffa Ballaran, Hiroaki Ohfuji, Takeshi Sakai, Lin Wang, Svyatoslav Shcheka, Takeshi Arimoto, Yoshinori Tange, Yuji Higo, Tetsuo Irifune, Tomoo Katsura
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH Vol. 122 No. 10 p. 7775-7788 2017年10月 研究論文(学術雑誌)
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Melting temperatures of MgO under high pressure by micro-texture analysis
T. Kimura, H. Ohfuji, M. Nishi, T. Irifune
NATURE COMMUNICATIONS Vol. 8 2017年6月 研究論文(学術雑誌)
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Phase relations in the system MgSiO3-Al2O3 up to 52 GPa and 2000 K
Zhaodong Liu, Tetsuo Irifune, Masayuki Nishi, Yoshinori Tange, Takeshi Arimoto, Toru Shinmei
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 257 p. 18-27 2016年8月 研究論文(学術雑誌)
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Growth kinetics of forsterite reaction rims at high-pressure
Yu Nishihara, Genta Maruyama, Masayuki Nishi
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 257 p. 220-229 2016年8月 研究論文(学術雑誌)
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Partition of Al between Phase D and Phase H at high pressure: Results from a simultaneous structure refinement of the two phases coexisting in a unique grain
Luca Bindi, Masayuki Nishi, Tetsuo Irifune
AMERICAN MINERALOGIST Vol. 100 No. 7 p. 1637-1640 2015年7月 研究論文(学術雑誌)
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In situ observation of crystallographic preferred orientation of deforming olivine at high pressure and high temperature
Tomohiro Ohuchi, Yu Nishihara, Yusuke Seto, Takaaki Kawazoe, Masayuki Nishi, Genta Maruyama, Mika Hashimoto, Yuji Higo, Ken-ichi Funakoshi, Akio Suzuki, Takumi Kikegawa, Tetsuo Irifune
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 243 p. 1-21 2015年6月 研究論文(学術雑誌)
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Letter. Crystal chemistry of dense hydrous magnesium silicates: The structure of phase H, MgSiH<inf>2</inf>O<inf>4</inf>, synthesized at 45 GPa and 1000 °c Bindi Luca luca.bindi@unifi.it
Bindi, L., Nishi, M., Tsuchiya, J., Irifune, T.
American Mineralogist Vol. 99 No. 8-9 p. 1802-1805 2014年 研究論文(学術雑誌)
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Effects of pressure and temperature on the silicon diffusivity of pyrope-rich garnet
Akira Shimojuku, Tomoaki Kubo, Takumi Kato, Takashi Yoshino, Masayuki Nishi, Tomoki Nakamura, Ryuji Okazaki, Yuki Kakazu
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 226 p. 28-38 2014年1月 研究論文(学術雑誌)
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Effect of iron content on electrical conductivity of ferropericlase with implications for the spin transition pressure
Takashi Yoshino, Eiji Ito, Tomoo Katsura, Daisuke Yamazaki, Shuanming Shan, Xinzhuan Guo, Masayuki Nishi, Yuji Higo, Ken-ichi Funakoshi
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH Vol. 116 2011年4月 研究論文(学術雑誌)
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Preliminary reports on in-situ X-ray observation of "post-perovskite" in CaRuO3
D. Yamazaki, E. Ito, T. Yoshino, X-G Guo, S. Shun, M. Nishi, Y. Higo, K. Funakoshi
INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY, JOINT AIRAPT-22 AND HPCJ-50 Vol. 215 2010年 研究論文(国際会議プロシーディングス)
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Plagioclase breakdown as an indicator for shock conditions of meteorites
Tomoaki Kubo, Makoto Kimura, Takumi Kato, Masayuki Nishi, Aiko Tominaga, Takumi Kikegawa, Ken-ichi Funakoshi
NATURE GEOSCIENCE Vol. 3 No. 1 p. 41-45 2010年1月 研究論文(学術雑誌)
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Electrical conductivity of majorite garnet and its implications for electrical structure in the mantle transition zone
Takashi Yoshino, Masayuki Nishi, Takuya Matsuzaki, Daisuke Yamazaki, Tomoo Katsura
PHYSICS OF THE EARTH AND PLANETARY INTERIORS Vol. 170 No. 3-4 p. 193-200 2008年11月 研究論文(学術雑誌)