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
教授
電話: 089-927-8150, FAX:
089-927-8405
Eメール: nishihara.yu.mc＠ehime-u.ac.jp
学位: 博士（理学）（2003年3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年4月〜1998年3月 東京工業大学理学部（地球惑星科学科）
1994年4月〜1998年3月 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年4月〜2003年3月 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年4月〜2004年3月 Yale大学地質学地球物理学科ポスドク研究員
2004年4月〜2004年10月 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年 11月〜2008年10月
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年 11月〜2013年3月 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年 4月〜2020年9月 愛媛大学地球深部ダイナミクス研究センター准教授
2020年 10月〜
愛媛大学地球深部ダイナミクス研究センター教授
論文 （#は代表作）
64. Kyoko N. Matsukage*, Yu Nishihara, Yoshinori
Tange, and Yuji Higo
Phase
relation and equation of state of iron‐titanium oxyhydroxides with α‐PbO2
type crystal structure at deep mantle conditions,
Journal of
Geophysical Research: Solid Earth (2024) 129, e2023JB027906. https://doi.org/10.1029/2023JB027906
#63. Yu Nishihara*, Shunta Doi, Noriyoshi Tsujino, Daisuke Yamazaki, Kyoko N. Matsukage,
Yumiko Tsubokawa, Takashi Yoshino, Andrew R. Thomson,
Yuji Higo, and Yoshinori Tange
Rheology
of hexagonal close-packed (hcp) iron,
Journal of
Geophysical Research: Solid Earth (2023) 128, e2022JB026165.
https://doi.org/10.1029/2022JB026165
62. Andrew R. Thomson*, Yu Nishihara, Daisuke Yamazaki, Noriyoshi Tsujino, Simon A. Hunt,
Yumiko Tsubokawa, Kyoko N. Matsukage,
Tomoaki Kubo, and David P. Dobson
Preliminary
results from the new deformation multi-anvil press at the Photon Factory:
insight into the creep strength of calcium silicate perovskite,
In: T.
Nakagawa, M. Satish-Kumar, T. Tsuchiya
(Eds.), Core-Mantle Coevolution: A Multidisciplinary Approach,
American Geophysical Union (2023) pp. 59-73.
61. Yohan Park, Shintaro Azuma*, Keishi Okazaki, Kentaro Uesugi, Masahiko
Yasutake, Yu Nishihara, and Ryuichi Nomura
Development of lattice-preferred
orientations of MgO periclase from strain rate controlled shear deformation
experiments under pressure up to 120 GPa,
Geophysical
Research Letters (2022) 49, e2022GL100178.
https://doi.org/10.1029/2022GL100178
60. Noriyoshi Tsujino*,
Daisuke Yamazaki, Yu Nishihara, Takashi Yoshino, Yuji Higo, and
Yoshinori Tange
Viscosity of
bridgmanite determined by in situ stress and strain measurements in uniaxial
deformation experiments,
Science
Advances (2022) 8, doi: 10.1126/sciadv.abm1821.
59. Yoshiyuki Okuda*, Kenji Ohta, Yu Nishihara, Naohisa Hirao, Tatsuya Wakamatsu, Sho Suehiro, Saori I.
Kawaguchi, and Yasuo Ohishi
Low-spin ferric iron
in primordial bridgmanite crystallized from a magma ocean,
Scientific
Reports (2021) 11, 19471.
58. 西原遊*, 辻野典秀, 久保友明,
山崎大輔, 土居峻太, 今村公裕,
芳野極
D111型装置を用いた高圧変形実験による地球深部レオロジーの研究,
高圧力の科学と技術 (2020) 30, 78-84.
57. Yu Nishihara*, Shunta Doi, Hideitsu Hino,
Yuji Higo, and Yoshinori Tange
Pressure
effect on the electromotive force of the type R thermocouple,
High Pressure
Research (2020) 40, 205-218.
#56. Yu Nishihara*, Shunta Doi, Sho Kakizawa,
Yuji Higo, and Yoshinori Tange
Effect
of pressure on temperature measurements using WRe thermocouple and its
geophysical impact,
Physics of
the Earth and Planetary Interiors (2020) 298, 106348.
55. Xingcheng Liu*, Kyoko N. Matsukage*,
Yu Nishihara, Toshihiro Suzuki, and Eiichi Takahashi
Stability of hydrous phases of
Al-rich phase D and Al-rich phase H in deep subducted oceanic crust,
American
Mineralogist (2019) 104, 64-72.
54. Kenji Ohta*, Yu Nishihara, Yuki Satoh, Kei Hirose, Takashi Yagi,
Saori I. Kawaguchi, Naohisa Hirao, and Yasuo Ohishi
An
experimental examination of thermal conductivity anisotropy in hcp iron,
Frontiers in
Earth Science (2018) 6, 176, 10.3389/feart.2018.00176.
#53. Yu Nishihara*, Tomohiro Ohuchi, Takaaki Kawazoe, Yusuke Seto, Genta
Maruyama, Yuji Higo, Ken-ichi Funakoshi, Yoshinori
Tange, and Tetsuo Irifune
Deformation-induced
crystallographic-preferred orientation of hcp-iron: An experimental study using
a deformation-DIA apparatus,
Earth and
Planetary Science Letters (2018) 490, 151-160.
52. Kyoko N. Matsukage*, Mika Hashimoto, and Yu
Nishihara
Morphological
stability of hydrous liquid droplets at grain boundaries of eclogite minerals
in the deep upper mantle,
Journal of
Mineralogical and Petrological Sciences (2017) 112, 346-358.
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) 7, 224-227, 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 Ohfuji,
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：2024年03月11日