西原 遊 (にしはら ゆう, Yu NISHIHARA)               English page



愛媛大学地球深部ダイナミクス研究センター
准教授
電話: 089-927-815020133月に変更), FAX: 089-927-8405
E
メール: yunishi[a]sci.ehime-u.ac.jp

学位: 博士(理学)(20033月東京工業大学)
所属学会: 日本地球惑星科学連合, 日本鉱物科学会, 日本高圧力学会, American Geophysical Union
受賞:2010年度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」



研究内容

・地球深部物質の流動特性を通して固体地球の進化を探る
 マントル遷移層、下部マントルといった地球深部での物質の流動特性(粘性率、変形微細組織)を高温高圧変形実験によって解明することを通じて、
 マントルでの物質輸送が地球の進化に果たしている役割を探る
・地球深部物質の流動特性の物理化学的メカニズムを探る
 さまざまな物理化学的条件のもとで変形実験・粒成長実験・化学反応実験を行なうことによって、
 差応力、温度、圧力、含水量などが地球深部物質の流動特性に与える影響を理解する


略歴

1994
4月〜19983       東京工業大学理学部(地球惑星科学科)
1994
4月〜19983       東京工業大学大学院理工学研究科地球惑星科学専攻修士課程
2000
4月〜20033       東京工業大学大学院理工学研究科地球惑星科学専攻博士課程・日本学術振興会特別研究員DC1
2003
4月〜20043       Yale大学地質学地球物理学科ポスドク研究員
2004
4月〜200410     日本学術振興会特別研究員PD (受け入れ機関:東京大学物性研究所)
2004
11月〜200810 東京工業大学大学院理工学研究科地球惑星科学専攻助手(21世紀COE)・助教(21世紀COE
2008
11月〜20133    愛媛大学上級研究員センター上級研究員(講師)(地球深部ダイナミクス研究センター関連)
2013
4月〜                        愛媛大学地球深部ダイナミクス研究センター准教授


論文 #は代表作)

51. Noriyoshi Tsujino*, Yu Nishihara, Daisuke Yamazaki, Yusuke Seto, Yuji Higo, and Eiichi Takahashi
     Mantle dynamics inferred from the crystallographic preferred orientation of bridgmanite,
     Nature (2016) 539, 81-84, doi:10.1038/nature19777.

50. Takaaki Kawazoe*, Yu Nishihara, Tomohiro Ohuchi, Nobuyoshi Miyajima, Genta Maruyama, Yuji Higo, Ken-ichi Funakoshi, and Tetsuo Irifune
     Creep strength of ringwoodite measured at pressure-temperature conditions of the lower part of the mantle transition zone using a deformation-DIA apparatus,
     Earth and Planetary Science Letters (2016) 454, 10-19.

49. Yu Nishihara*, Genta Maruyama, and Masayuki Nishi
     Growth kinetics of forsterite reaction rims at high-pressure,
     Physics of the Earth and Planetary Interiors (2016) 257, 220-229.

48. Yu Nishihara*, Kazuki Fuke, Yoshinori Tange, and Yuji HIgo
     Determination of pressure effect on thermocouple electromotive force using multi-anvil apparatus,
     High Pressure Research (2016) 36, 121-139.

47. Yu Nishihara* and Kyoko N. Matsukage*
     Iron-titanium oxyhydroxides as water carriers in the Earth’s deep mantle,
     American Mineralogist (2016) 101, 919-927.

46. 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
     In situ observation of crystallographic preferred orientation of deforming olivine at high pressure and high temperature,
     Physics of the Earth and Planetary Interiors (2015) 243, 1-21.

45. Kyoko N. Matsukage*, Yu Nishihara, Fumiya Noritake, Katsuyuki Kawamura, Noriyoshi Tsujino, Moe Sakurai, Yuji Higo, Junichi Nakajima, Akira Hasegawa, and Eiichi Takahashi
     Elastic wave velocity anomalies of anorthite in subducting plate: In situ experiments,
     American Mineralogist (2015) 100, 1856-1865.

#44. Yu Nishihara*, Tomohiro Ohuchi, Takaaki Kawazoe, Dirk Spengler, Miki Tasaka, Takumi Kikegawa, Akio Suzuki, and Eiji Ohtani
     Rheology of fine-grained forsterite aggregate at deep upper mantle conditions,
     Journal of Geophysical Research: Solid Earth (2014) 119, doi:10.1002/2013JB010473.

43. Masayuki Nishi*, Tetsuo Irifune, Jun Tsuchiya, Yoshinori Tange, Yu Nishihara, Kiyoshi Fujino and Yuji Higo
     Stability of hydrous silicate at high pressures and water transport to the deep lower mantle,
     Nature Geoscience (2014) doi:10.1038/ngeo2074.

42. Masayuki Nishi*, Yu Nishihara, and Tetsuo Irifune
     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,
     Earth and Planetary Science Letters (2013) 377-378, 191-198.

41. Noriyoshi Tsujino*, Yu Nishihara, Yoichi Nakajima, Eiichi Takahashi, Ken-ichi Funakoshi, and Yuji Higo
     Equation of state of g-Fe: reference density for planetary cores,
     Earth and Planetary Science Letters (2013) 375, 244-253.

40. Takaaki Kawazoe*, Tomohiro Ohuchi, Yu Nishihara, Norimasa Nishiyama, Kiyoshi Fujino, and Tetsuo Irifune
     Seismic anisotropy in the mantel transition zone induced by shear deformation of wadsleyite,
     Physics of the Earth and Planetary Interiors (2013) 216, 91-98.

39. Masayuki Nishi*, Tomoaki Kubo, Hiroaki Ohuji, Takumi Kato, Yu Nishihara, and Tetsuo Irifune
     Slow Si-Al interdiffusion in garnet and stagnation of subduing slabs,
     Earth and Planetary Science Letters (2013) 361, 44-49.

38. Yu Nishihara*, Yoichi Nakajima, Akihiko Akashi, Noriyoshi Tsujino, Eiichi Takahashi, Ken-ichi Funakoshi, and Yuji Higo
     Isothermal compression of face-centered cubic iron,
     American Mineralogist (2012) 97, 1417-1420.

37. Tomohiro Ohuchi*, Yu Nishihara, Takaaki Kawazoe, Dirk Spengler, Rei Shiraishi, Akio Suzuki, Takumi Kikegawa, and Eiji Ohtani
     Superplasticity in hydrous melt-bearing dunite: Implications for shear localization in Earth’s upper mantle,
     Earth and Planetary Science Letters (2012) 335-336, 59-71.

36. Tomohiro Ohuchi*, Takaaki Kawazoe, Yu Nishihara, and Tetsuo Irifune
     Change of olivine a-axis alignment induced by water: origin of seismic anisotropy in subduction zones,
     Earth and Planetary Science Letters (2012) 317-318, 111-119.

35. Takaaki Kawazoe*, Yu Nishihara, Tomohiro Ohuchi, Norimasa Nishiyama, Yuji Higo, Ken-ichi Funakoshi, and Tetsuo Irifune
     In situ stress-strain measurements in a deformation-DIA apparatus at P-T conditions of the upper part of the mantle transition zone,
     American Mineralogist (2011) 96, 1665-1672.

34.
西原遊*
     高圧下でのマントル鉱物の流動特性,
    
高圧力の科学と技術 (2011) 21, 137-143.

33. Yoichi Nakajima*, Eiichi Takahashi, Nagayoshi Sata, Yu Nishihara, Kei Hirose, Ken-ichi Funakoshi, and Yasuo Ohishi
     Thermoelastic property and high-pressure stability of Fe7C3: Implication for iron-carbide in the Earth’s core,
     American Mineralogist (2011) 96, 1158-1165.

32. Tomohiro Ohuchi*, Takaaki Kawazoe, Yu Nishihara, Norimasa Nishiyama, and Tetsuo Irifune
     High pressure and temperature fabric transitions in olivine and variations in upper mantle seismic anisotropy,
     Earth and Planetary Science Letters (2011) 304, 55-63.

31. Takaaki Kawazoe*, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune
     Deformation experiments at P-T conditions of the mantle transition zone using D-DIA,
     Physics of the Earth and Planetary Interiors (2010) 183, 190-195.

30. Yu Nishihara*, Ken-ichi Funakoshi, Yuji Higo, Noriyoshi Tsujino, Takaaki Kawazoe, Tomoaki Kubo, Akira Shimojuku, Hidenori Terasaki, and Norimasa Nishiyama
     Stress relaxation experiments of olivine under Earth's deep upper mantle conditions,
     Physics of the Earth and Planetary Interiors (2010) 183, 164-174.

29. Takaaki Kawazoe*, Tomohiro Ohuchi, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune
     Preliminary deformation experiment of ringwoodite at 20 GPa and 1700 K using a D-DIA apparatus,
     Journal of Earth Science (2010) 21, 517-522.

28. Tomohiro Ohuchi*, Takaaki Kawazoe, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune
     Technical development of simple shear deformation experiments using a deformation-DIA apparatus,
     Journal of Earth Science (2010) 21, 523-531.

27. Kyoko N. Matsukage*, Seiichi Kikuchi, Shigeaki Ono, Yu Nishihara, and Takumi Kikegawa
     Density and seismic velocities of chromitite body in oceanic mantle peridotite,
     American Mineralogist (2010) 95, 1422-1428.

26. Noriyoshi Tsujino* and Yu Nishihara
     Effect of pressure on grain-growth kinetics of ferropericlase to lower mantle conditions,
     Geophysical Research Letters (2010) 37, doi:10.1029/2010GL043491.

25. Ken-ichi Funakoshi*, Yuji Higo, Yu Nishihara
     High-pressure two-dimensional angle-dispersive x-ray diffraction measurement system using a Kawai-type multianvil press at SPring-8,
     Journal of Physics: Conference Series (2010) 215, 012107.

24. Takaaki Kawazoe*, Norimasa Nishiyama, Yu Nishihara, and Tetsuo Irifune
     Pressure generation to 25 GPa using a cubic anvil apparatus with a multi-anvil 6-6 assembly,
     High Pressure Research (2010) 30, 167-174.

23. Yu Nishihara*, Ken-ichi Funakoshi, Yuji Higo, Hidenori Terasaki, Norimasa Nishiyama, Tomoaki Kubo, Akira Shimojuku, and Noriyoshi Tsujino
     Stress measurement under high-pressure using Kawai-type multi-anvil apparatus combined with synchrotron radiation,
     Journal of Synchrotron Radiation (2009) 16, 757-761.

22. Akihiko Akashi, Yu Nishihara*, Eiichi Takahashi, Yoichi Nakajima, Yoshinori Tange, and Ken-ichi Funakoshi
     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,
     Journal of Geophysical Research (2009)114, doi:10.1029/2008JB005894.

21. Yoshinori Tange*, Yu Nishihara, and Taku Tsuchiya
     Unified analyses in P-V-T equation of state of MgO: a solution for pressure-scale problems in high P-T experiments,
     Journal of Geophysical Research (2009) 114, 10.1029/2008JB005813.

20. Yoshinori Tange*, Eiichi Takahashi, Yu Nishihara, Ken-ichi Funakoshi, and Nagayoshi Sata
     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 (2009) 114, doi:10.1029/2008JB005891.

19. Koichi Sakamaki, Eiichi Takahashi*, Yoichi Nakajima, Yu Nishihara, Ken-ichi Funakoshi , Toshihiro Suzuki, and Yuh Fukai
     Melting phase relation of FeHx to 20 GPa: Implications on the temperature of the Earth’s core,
     Physics of the Earth and Planetary Interiors (2009) 174, 192-201.

18. Noriyoshi Tsujino* and Yu Nishihara
     Grain-growth kinetics of ferropericlase at high-pressure,
     Physics of the Earth and Planetary Interiors (2009) 174, 145-152.

17.
西原遊*
     高温高圧下の変形実験の最新技術,
    
高圧力の科学と技術 (2008) 18, 223-229.

16. Konstantin D. Litasov*, Eiji Ohtani, Yu Nishihara, Akio Suzuki, and Ken-ichi Funakoshi
     Thermal equation of state of Al- and Fe-bearing phase D,
     Journal of Geophysical Research (2008) 113, doi:10.1029/2007JB004937.

#15. Yu Nishihara*, David Tinker, Takaaki Kawazoe, Yousheng Xu, Zhicheng Jing, Kyoko N. Matsukage, and Shun-ichiro Karato
     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 (2008) 170, 156-169.

#14. Yu Nishihara* , Toru Shinmei, and Shun-ichiro Karato
     Effect of chemical environment on the hydrogen-related defect chemistry in wadsleyite,
     American Mineralogist (2008) 93, 831-843.

13. Konstantin D. Litasov*, Eiji Ohtani, Sujoy Ghosh, Yu Nishihara, Akio Suzuki, and Ken-ichi Funakoshi
     Thermal equation of state of superhydrous phase B to 27 GPa and 1373 K,
     Physics of the Earth and Planetary Interiors (2007) 164, 142-160.

12. Takashi Yoshino*, Yu Nishihara, and Shun-ichiro Karato
     Complete wetting of olivine grain boundaries by a hydrous melt near the mantle transition zone,
     Earth and Planetary Science Letters (2007) 256, 466-472.

11. Azusa Shito*, Shun-ichiro Karato, Kyoko N. Matsukage, and Yu Nishihara
     Towards mapping the three-dimensional distribution of water in the upper mantle from velocity and attenuation tomography,
     In: S.D. Jacobsen, S. van der Lee (Eds.), Earth’s Deep Water Cycle, Geophysical Monograph 168, American Geophysical Union (2006) pp. 225-236.

10. Yu Nishihara*, Toru Shinmei, and Shun-ichiro Karato
     Grain-growth kinetics in wadsleyite: Effects of chemical environment,
     Physics of the Earth and Planetary Interiors (2006) 154, 30-43.

9. Yu Nishihara*, Kyoko N. Matsukage, and Shun-ichiro Karato
     Effects of metal protection coils on thermocouple EMF in multi-anvil high-pressure experiments,
     American Mineralogist (2006) 91, 111-114.

8. Kyoko N. Matsukage*, Yu Nishihara, and Shun-ichiro Karato
     Seismological signature of chemical differentiation in the Earth’s upper mantle,
     Journal of Geophysical Research (2005) 110, doi:10.1029/2004JB003328.

7. Yu Nishihara*, Keisuke Nakayama, Eiichi Takahashi, Tomohiro Iguchi, and Ken-ichi Funakoshi
     P-V-T equation of state of stishovite to the mantle transition zone conditions,
     Physics and Chemistry of Minerals (2005) 31, 660-670.

6. Yousheng Xu*, Yu Nishihara, and Shun-ichiro Karato
     Development of a Drickamer apparatus for large-strain deformation experiments under Earth conditions,
     In: J. Chen, Y. Wang, T. Duffy, G. Shen, L. Dobrzhinetskaya (Eds.), Advances in High-pressure Techniques for Geophysical Applications, Elsevier Science, Amsterdam (2005) pp. 167-182.

#5. Yu Nishihara*, Ichiro Aoki, Eiichi Takahashi, Kyoko N. Matsukage, and Ken-ichi Funakoshi
     Thermal equation of state of majorite with MORB composition,
     Physics of the Earth and Planetary Interiors (2005) 148, 73-84.

4. Yu Nishihara*, Eiichi Takahashi, Kyoko N. Matsukage, Tomohiro Iguchi, Keisuke Nakayama, and Ken-ichi Funakoshi
    Thermal equation of state of (Mg0.91Fe0.09)2SiO4 ringwoodite,
     Physics of the Earth and Planetary Interiors (2004) 143-144, 33-46.

3. Yu Nishihara*, Eiichi Takahashi, Kyoko Matsukage, and Takumi Kikegawa
     Thermal equation of state of omphacite,
     American Mineralogist (2003) 88, 80-86.

2. Miki Shirasaka*, Eiichi Takahashi, Yu Nishihara, Kyoko Matsukage, and Takumi Kikegawa
     In situ X-ray observation of the reaction dolomite = aragonite + magnesite at 900-1300 K,
     American Mineralogist (2002) 87, 922-930.

#1. Yu Nishihara* and Eiichi Takahashi
     Phase relation and physical properties of an Al-depleted komatiite to 23 GPa,
     Earth and Planetary Science Letters (2001) 190, 65-77.

最終更新日:20161128