西原　遊ニシハラ　ユウ

研究者基本情報

基本情報

科研費研究者番号:10397036

学歴

• 1994年04月 - 1998年03月, 東京工業大学, 理学部, 地球惑星科学科
• 1998年04月 - 2003年03月, 東京工業大学大学院, 理学系研究科, 地球惑星科学専攻

学位

• 博士（理学）

経歴

•   2003年04月,  - 2004年03月, エール大学 地質地球物理学科 ポストドクター
•   2004年04月,  - 2004年10月, 東京大学 物性研究所 日本学術振興会PD
•   2004年11月,  - 2008年10月, 東京工業大学大学院 地球惑星科学専攻 21世紀COE助手・助教
•   2008年11月,  - 2013年03月, 愛媛大学上級研究員センター上級研究員（講師）
•   2013年04月,  - 現在, 愛媛大学地球深部ダイナミクス研究センター准教授

所属学協会

• 日本地球惑星科学連合
• 日本高圧力学会
• 日本鉱物科学会
• American Geophysical Union

委員歴

•   2012年 - 2013年, SPring-8ユーザ共同体（SPRUC）, 地球惑星科学研究会代表
•   2012年 - 2015年, 高圧力の科学と技術, 編集委員
•   2013年 - 2015年, 日本高圧力学会, 会計幹事

研究活動情報

研究分野

• 固体地球惑星物理学

研究キーワード

鉱物物理学, 地球内部物理学, 地震学

論文

• Stability of hydrous phases of Al-rich phase D and Al-rich phase H in deep subducted oceanic crust
  Xingcheng Liu, Kyoko N. Matsukage, Yu Nishihara, Toshihiro Suzuki, and Eiichi Takahashi, American Mineralogist, in press,   2018年
  DOI
• An experimental examination of thermal conductivity anisotropy in hcp iron
  Kenji Ohta, Yu Nishihara, Yuuki Satoh, Kei Hirose, Takashi Yagi, Saori I. Kawaguchi, Naohisa Hirao, Yasuo Ohishi, Frontiers in Earth Science, Solid Earth Geophysics, in press,   2018年
  DOI
• Deformation-induced crystallographic-preferred orientation of hcp-iron: An experimental study using a deformation-DIA apparatus
  Yu Nishihara, Tomohiro Ohuchi, Takaaki Kawazoe, Yusuke Seto, Genta Maruyama, Yuji Higo, Ken-ichi Funakoshi, Yoshinori Tange, and Tetsuo Irifune, Earth and Planetary Science Letters, 490, 151 - 160,   2018年
  DOI
• Morphological stability of hydrous liquid droplets on grain boundaries of eclogite minerals in the deep upper mantle
  Kyoko N. Matsukage, Mika Hashimoto, and Yu Nishihara, Journal of Mineralogical and Petrological Sciences, 112, 346 - 358,   2017年
  DOI
• Iron-titanium oxyhydroxides as water carriers in the Earth’s deep mantle
  Yu Nishihara* and Kyoko N. Matsukage, American Mineralogist, 101, 919 - 927,   2016年
  DOI
• Determination of pressure effect on thermocouple electromotive force using multi-anvil apparatus
  Yu Nishihara, Kazuki Fuke, Yoshinori Tange, and Yuji HIgo, High Pressure Research, 36, 121 - 139,   2016年
  DOI
• Growth kinetics of forsterite reaction rims at high-pressure
  Yu Nishihara, Genta Maruyama, and Masayuki Nishi, Physics of the Earth and Planetary Interiors, 257, 220 - 229,   2016年
  DOI
• Creep strength of ringwoodite measured at pressure-temperature conditions of the lower part of the mantle transition zone using a deformation-DIA apparatus
  Takaaki Kawazoe, Yu Nishihara, Tomohiro Ohuchi, Nobuyoshi Miyajima, Genta Maruyama, Yuji Higo, Ken-ichi Funakoshi, and Tetsuo Irifune, Earth and Planetary Science Letters, 454, 10 - 19,   2016年
  DOI
• Mantle dynamics inferred from the crystallographic preferred orientation of bridgmanite
  Noriyoshi Tsujino, Yu Nishihara, Daisuke Yamazaki, Yusuke Seto, Yuji Higo, and Eiichi Takahashi, Nature, 539, 81 - 89,   2016年
  DOI
• Elastic wave velocity anomalies of anorthite in subducting plate: In situ experiments
  Kyoko N. Matsukage, Yu Nishihara, Fumiya Noritake, Katsuyuki Kawamura, Noriyoshi Tsujino, Moe Sakurai, Yuji Higo, Junichi Nakajima, Akira Hasegawa, and Eiichi Takahashi, American Mineralogist, 100, 1856 - 1865,   2015年
  DOI
• 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, and Tetsuo Irifune, Physics of the Earth and Planetary Interior, 243, 1 - 21,   2015年
  DOI
• Stability of hydrous silicate at high pressures and water transport to the deep lower mantle
  Masayuki Nishi, Tetsuo Irifune, Jun Tsuchiya, Yoshinori Tange, Yu Nishihara, Kiyoshi Fujino and Yuji Higo, Nature Geoscience, 7, 224 - 227,   2014年
  DOI
• Rheology of fine-grained forsterite aggregate at deep upper mantle condition
  Yu Nishihara, Tomohiro Ohuchi, Takaaki Kawazoe, Dirk Spengler, Miki Tasaka, Takumi Kikegawa , Akio Suzuki, and Eiji Ohtani, Journal of Geophysical Research: Solid Earth, 119,   2014年
  DOI
• Slow Si-Al interdiffusion in garnet and stagnation of subduing slab
  Masayuki Nishi, Tomoaki Kubo, Hiroaki Ohfuji, Takumi Kato, Yu Nishihara, and Tetsuo Irifune, Earth and Planetary Science Letters, 361, 44 - 49,   2013年
  DOI
• Seismic anisotropy in the mantle transition zone induced by shear deformation of wadsleyite
  Takaaki Kawazoe, Tomohiro Ohuchi, Yu Nishihara, Norimasa Nishiyama, Kiyoshi Fujino, and, Tetsuo Irifune, Physics of the Earth and Planetary Interiors, 216, 91 - 98,   2013年
  DOI
• Equation of state of γ-Fe: reference density for planetary cores
  Noriyoshi Tsujino, Yu Nishihara, Yoichi Nakajima, Eiichi Takahashi, Ken-ichi Funakoshi, and Yuji Higo, Earth and Planetary Science Letter, 375, 244 - 253,   2013年
  DOI
• 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, and Tetsuo Irifune, Earth and Planetary Science Letters, 377-378, 191 - 198,   2013年
  DOI
• Change of olivine a-axis alignment induced by water: origin of seismic anisotropy in subduction zones
  Tomohiro Ohuchi, Takaaki Kawazoe, Yu Nishihara, and Tetsuo Irifune, Earth and Planetary Science Letters, 317-318, 111 - 119,   2012年
  DOI
• Superplasticity in hydrous melt-bearing dunite: Implications for shear localization in Earth’s upper mantle
  Tomohiro Ohuchi*, Yu Nishihara, Takaaki Kawazoe, Dirk Spengler, Rei Shiraishi, Akio Suzuki, Takumi Kikegawa, and Eiji Ohtani, Earth and Planetary Science Letter, 335-336, 59 - 71,   2012年
  DOI
• Isothermal compression of face-centered cubic iron
  Yu Nishihara, Yoichi Nakajima, Akihiko Akashi, Noriyoshi Tsujino, Eiichi Takahashi, Ken-ichi Funakoshi, and Yuji Higo, American Mineralogist, 97, 1417 - 1420,   2012年
  DOI
• 高圧下でのマントル鉱物の流動特性
  西原　遊, 高圧力の科学と技術, 21, (2) 137 - 143,   2011年
  DOI
• High pressure and temperature fabric transitions in olivine and variations in upper mantle seismic anisotropy
  Tomohiro Ohuchi, Takaaki Kawazoe, Yu Nishihara, Norimasa Nishiyama, and Tetsuo Irifune, Earth and Planetary Science Letters, 304, 55 - 63,   2011年
  DOI
• Thermoelastic property and high-pressure stability of Fe7C3: Implication for iron-carbide in the Earth’s core
  Yoichi Nakajima, Eiichi Takahashi, Nagayoshi Sata, Yu Nishihara, Kei Hirose, Ken-ichi Funakoshi, and Yasuo Ohishi, American Mineralogist, 96, 1158 - 1165,   2011年
  DOI
• In situ stress-strain measurements in a deformation-DIA apparatus at P-T conditions of the upper part of the mantle transition zone
  Takaaki Kawazoe, Yu Nishihara, Tomohiro Ohuchi, Norimasa Nishiyama, Yuji Higo, Ken-ichi Funakoshi, and Tetsuo Irifune, American Mineralogist, 96, 1665 - 1672,   2011年
  DOI
• Preliminary deformation experiment of ringwoodite at 20 GPa and 1700 K using a D-DIA apparatus
  Takaaki Kawazoe, Tomohiro Ohuchi, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune, Journal of Earth Science, 21, 517 - 522,   2010年
  DOI
• Density and seismic velocities of chromitite body in oceanic mantle peridotite
  Kyoko N. Matsukage, Seiichi Kikuchi, Shigeaki Ono, Yu Nishihara, and Takumi Kikegawa, American Mineralogist, 95, 1422 - 1428,   2010年
  DOI
• Technical development of simple shear deformation experiments using a deformation-DIA apparatus
  Tomohiro Ohuchi, Takaaki Kawazoe, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune, Journal of Earth Science, 21, 523 - 531,   2010年
  DOI
• Effect of pressure on grain-growth kinetics of ferropericlase to lower mantle conditions
  Noriyoshi Tsujino and Yu Nishihara, Geophysical Research Letters, 37,   2010年
  DOI
• High-pressure two-dimensional angle-dispersive x-ray diffraction measurement system using a Kawai-type multianvil press at SPring-8
  Ken-ichi Funakoshi, Yuji Higo, and Yu Nishihara, Journal of Physics: Conference Serie, 215,   2010年
• Pressure generation to 25 GPa using a cubic anvil apparatus with a multi-anvil 6-6 assembly
  Takaaki Kawazoe, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune, High Pressure Research, 30, 167 - 174,   2010年
  DOI
• Stress relaxation experiments of olivine under Earth’s deep upper mantle conditions
  Yu Nishihara, Ken-ichi Funakoshi, Yuji Higo, Noriyoshi Tsujino, Takaaki Kawazoe, Tomoaki Kubo, Akira Shimojuku, Hidenori Terasaki, and Norimasa Nishiyama, Physics of the Earth and Planetary Interior, 183, 164 - 174,   2010年
  DOI
• Deformation experiments at P-T conditions of the mantle transition zone using D-DIA
  Takaaki Kawazoe, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune, Physics of the Earth and Planetary Interiors, 183, 190 - 195,   2010年
  DOI
• Stress measurement under high-pressure using Kawai-type multi-anvil apparatus combined with synchrotron radiation
  Yu Nishihara, Ken-ichi Funakoshi, Yuji Higo, Hidenori Terasaki, Norimasa Nishiyama, Tomoaki Kubo, Akira Shimojuku, and Noriyoshi Tsujino, Journal of Synchrotron Radiation, 16, 757 - 761,   2009年
  DOI
• Orthoenstatite/clinoenstatite phase transformation in MgSiO3 at high-pressure and high-temperature determined by in-situ X-ray diffraction: Implications for nature of the X-discontinuity
  Akihiko Akashi, Yu Nishihara, Eiichi Takahashi, Yoichi Nakajima, Yoshinori Tange, and Ken-ichi Funakoshi, Journal of Geophysical Research, 114,   2009年
  DOI
• Unified analyses in P-V-T equation of state of MgO: a solution for pressure-scale problems in high P-T experiments
  Yoshinori Tange, Yu Nishihara, and Taku Tsuchiya, Journal of Geophysical Research, 114,   2009年
  DOI
• Phase relations in the system MgO-FeO-SiO2 to 50 GPa and 2000°C: an application of experimental techniques using multianvil apparatus with sintered diamond anvils
  Journal of Geophysical Research, 114,   2009年
  DOI
• Melting phase relation of FeHx to 20 GPa: Implications on the temperature of the Earth’s core
  Koichi Sakamaki, Eiichi Takahashi, Yoichi Nakajima, Yu Nishihara, Ken-ichi Funakoshi , Toshihiro Suzuki, and Yuh Fukai, Physics of the Earth and Planetary Interiors, 174, 192 - 201,   2009年
  DOI
• Grain-growth kinetics of ferropericlase at high-pressure
  Noriyoshi Tsujino and Yu Nishihara, Physics of the Earth and Planetary Interiors, 174, 145 - 152,   2009年
  DOI
• Thermal equation of state of Al- and Fe-bearing phase D
  Konstantin D. Litasov, Eiji Ohtani, Yu Nishihara, Akio Suzuki, and Ken-ichi Funakoshi, Journal of Geophysical Research, 113,   2008年
  DOI
• Plastic deformation of wadsleyite and olivine at high-pressure and high-temperature using a rotational Drickamer apparatus (RDA)
  Physics of the Earth and Planetary Interiors, 170, 156 - 169,   2008年
  DOI
• Effect of chemical environment on the hydrogen-related defect chemistry in wadsleyitte
  Yu Nishihara, Toru Shinmei, and Shun-ichiro Karato, American Mineralogist, 93, 831 - 843,   2008年
  DOI
• 高温高圧下の変形実験の最新技術
  西原　遊, 高圧力の科学と技術, 18, (3) 223 - 229,   2008年
  DOI
• Thermal equation of state of superhydrous phase B to 27 GPa ans 1373 K
  Yu Nishihara, Konstantin Litasov, Eiji Ohtani, Sujoy Ghosh, Akio Suzuki, Ken-ichi Funakoshi, Physics of the Earth and Planetary Interiors, 164, (3-4) 142 - 160,   2007年
  DOI
• Complete wetting of olivine grain boundaries by a hydrous melt near the mantle transition zone
  Yu Nishihara, Takashi Yoshino, Shun-ichiro Karato, Earth and Planetary Science Letters, 256, (3-4) 466 - 472,   2007年
  DOI
• Effects of metal protection coils on thermocouple EMF in multi-anvil high-pressure experiments
  Yu Nishihara Kyoko N. Matsukage Shun-ichiro Karato, American Mineralogist, 91, (1) 111 - 114,   2006年
  DOI
• Grain-growth kinetics in wadsleyite: Effects of chemical environment
  Yu Nishihara Toru Shinmei Shun-ichiro Karato, Physics of the Earth and Planetary Interiors, 154, (1) 30 - 43,   2006年
  DOI
• Towards mapping the three-dimensional distribution of water in the upper mantle from velocity and attenuation tomography
  Azusa Shito Shun-ichiro Karato Kyoko N. Matsukage Yu Nishihara, Earth's Deep Water Cycle, Geophysical Monograph Series 168, American Geophysical Union, 225 - 236,   2006年
  DOI
• P-V-T equation of state of stishovite to the mantle transition zone conditions
  Yu Nishihara Keisuke Nakayama Eiichi Takahashi Tomohiro Iguchi Kenichi Funakoshi, Physics and Chemistry of Minerals, 31, (10) 660 - 670,   2005年
  DOI
• Thermal equation of state of majorite with MORB composition
  Yu Nishihara Ichiro Aoki Eiichi Takahashi Kyoko N. Matsukage Ken-ichi Funakoshi, Physics of the Earth and Planetary Interiors, 148, (1) 73 - 84,   2005年
  DOI
• Development of a Drickamer apparatus for large-strain deformation experiments under Earth conditions
  Yousheng Xu Yu Nishihara Shun-ichiro Karato, In: J. Chen, Y. Wang, T. Duffy, G. Shen, L. Dobrzhinetskaya (Eds.), Frontiers in High Pressure Research: Geophysical Applications, Elsevier Science, Amsterdam, 167 - 182,   2005年
  DOI
• Seismological signature of chemical differentiation in the Earth’s upper mantle
  Kyoko N. Matsukage Yu Nishihara Shun-ichiro Karato, Journal of Geophysical Research, 110, (B12) B12305 - B12305,   2005年
  DOI
• Thermal equation of state of (Mg0.91Fe0.09)2SiO4 ringwoodite
  Yu Nishihara Eiichi Takahashi Kyoko N. Matsukage Tomohiro Iguchi Keisuke Nakayama Kenichi Funakoshi, Physics of the Earth and Planetary Interiors, 143, 33 - 46,   2004年
  DOI
• Thermal equation of state of omphacite
  Yu Nishihara Eiichi Takahashi Kyoko Matsukage Takumi Kikegawa, American Mineralogist, 88, 80 - 86,   2003年
  DOI
• In situ X-ray observation of the reaction dolomite = aragonite + magnesite at 900-1300 K
  Miki Shirasaka Eiichi Takahashi Yu Nishihara Kyoko Matsukage Takumi Kikegawa, American Mineralogist, 87, 922 - 930,   2002年
  DOI
• Phase relation and physical properties of an Al-depleted komatiite to 23 GPa,
  Y.Nishihara E.Takahashi, Earth and Planetary Science Letters, 190, (1/2) 65 - 77,   2001年
  DOI

受賞

•   2010年, 日本高圧力学会, 奨励賞, マントル深部の流動特性と弾性の実験的研究

競争的資金

• 核-マントル物質の動的挙動
  日本学術振興会, 科学研究費補助金　新学術領域研究（研究領域提案型）, 芳野　極
• 高圧変形実験で探る地球中心核の異方性
  日本学術振興会, 科学研究費補助金　基盤研究(B), 西原　遊
• マントルの水マッピング：高温高圧下の地震波減衰特性と電気伝導度からの制約
  日本学術振興会, 科学研究費補助金　基盤研究(A), 芳野　極
• マントル660km不連続のレオロジー的構造
  日本学術振興会, 科学研究費補助金　基盤研究(B), 西原　遊
• メージャライト、リングウッダイト粘性コントラストの解明
  日本学術振興会, 科学研究費補助金　若手研究(B), 西原　遊
• 地球内部進化に果たすマグマの役割
  日本学術振興会, 科学研究費補助金　基盤研究(A), 高橋　栄一
• 高圧X線その場観察による下部マントルの流動特性の研究
  日本学術振興会, 科学研究費補助金　若手研究(B), 西原　遊
• 高圧X線その場観察による下部マントルの流動特性の研究
  日本学術振興会, 科学研究費補助金　特別研究員奨励費 (PD), 西原　遊
• マントル670km不連続面についての実験岩石学的研究
  日本学術振興会, 科学研究費補助金　特別研究員奨励費 (DC1), 西原　遊