PERSONNEL'S PROFILE
photo Ž–ž œAĢ@Œh
NAME Kei Hirose
ę–å ‚ˆģ’n‹…‰ČŠw
SPECIALITY High-pressure mineral physics and petrology
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PUBLICATION LIST
2011
R. Nomura, H. Ozawa, S. Tateno, K. Hirose, J. Hernlund, S. Muto, H. Ishii, N. Hiraoka, Spin crossover and iron-rich silicate melt in the Earth's deep mantle, Nature, - 2011.

2010
Nagayoshi Sata, Kei Hirose, Masanori Matsui, Naohisa Hirao, Comparison of Room-Temperature Pressure Scales Using Simultaneous Volume Measurements with Laser Annealing Technique, The Japan Society of High Pressure Science and Technology, 20, 3, 240-243, doi:10.4131/jshpreview.20.240-243, 2010.

Yuki Asahara, Kei Hirose, Yasuo Ohishi, Naohisa Hirao, Motohiko Murakami, Thermoelastic properties of ice VII and its high-pressure polymorphs: Implications for dynamics of cold slab subduction in the lower mantle, Earth Planet. Sci. Lett., doi:10.1016/j.epsl.2010.09.037- 2010.

Kei Hirose, Yukio Nagaya, Sebastien Merkel, Yasuo Ohishi, Deformation of MnGeO3 post-perovskite at lower mantle pressure and temperature, Geophys. Res. Lett., 37, L20302, doi:10.1029/2010GL044977- 2010.

Takashi Yagi, Kenji Ohta, Kenichi Kobayashi, Naoyuki Taketoshi, Kei Hirose, Tetsuya Baba, Thermal diffusivity measurement in a diamond anvil cell using a light pulse thermoreflectance technique, Measurement Science and Technology, 22, 2, 024011, doi: 10.1088/0957-0233/22/2/024011- 2010.

Emiko Sugimura, Tetsuya Komabayashi, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Leonid S. Dubrovinsky, Simultaneous high-pressure and -temperature volume measurements of ice VII and its thermal equation of state, Physical Review B, 82, 13, 134103-134111, doi/10.1103/PhysRevB.82.134103- 2010.

Shigehiko Tateno, Kei Hirose, Yasuo Ohishi, Yoshiyuki Tatsumi, The structure of iron in Earth's inner core, Science, 330, 6002, pp. 359 - 361 DOI: 10.1126/science.1194662- 2010.

R. Nomura, K. Hirose, N. Sata, Y. Ohishi, Precise determination of post-stishovite phase transition boundary and implications for seismic heterogeneities in the mid-lower mantle, Phys. Earth Planet. Inter., (in press)- 2010.

Tetsuya Komabayashi, Kei Hirose, Yukio Nagaya, Emiko Sugimura, Yasuo Ohishi, High-temperature compression of ferropericlase and the effect of temperature on iron spin transition , Earth Planet. Sci. Lett., 297, '3-4, 691-699, doi:10.1016/j.epsl.2010.07.025- 2010.

Nagayoshi Sata, Kei Hirose, Guoyin Shen, Yoichi Nakajima, Yasuo Ohishi, Naohisa Hirao, Compression of FeSi, Fe3C, Fe0.95O, and FeS under the core pressures and implication for light element in the Earth's core, J. Geophys. Res., 115, B09204, doi:10.1029/2009JB006975- 2010.

Shigehiko Tateno, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Structural distortion of CaSnO3 perovskite under pressure and the quenchable post-perovskite phase as a low-pressure analogue to MgSiO3 , Phys. Earth Planet. Inter., 181, '1-2, 54-59, doi:10.1016/j.pepi.2010.03.003 - 2010.

Kenji Ohta, Kei Hirose, Katsuya Shimizu, Nagayoshi Sata, Yasuo Ohishi, The electrical resistance measurements of (Mg,Fe)SiO3 perovskite at high pressures and implications for electronic spin transition of iron, Phys. Earth Planet. Inter., 180, '3-4, 154-158, doi:10.1016/j.pepi.2009.11.002- 2010.

Yuki Asahara, Motohiko Murakami, Yasuo Ohishi, Naohisa Hirao, Kei Hirose, Sound velocity measurement in liquid water up to 25 GPa and 900 K: Implications for densities of water at lower mantle conditions, Earth Planet. Sci. Lett., 289, '3-4, 479-485, 2010.

Ryosuke Sinmyo, Kei Hirose, The Soret diffusion in laser-heated diamond-anvil cell, Phys. Earth Planet. Inter., 180, '3-4, 172-178, doi:10.1016/j.pepi.2009.10.011- 2010.

Haruka Ozawa, Kei Hirose, Shigehiko Tateno, Nagayoshi Sata, Yasuo Ohishi, Phase transition boundary between B1 and B8 structures of FeO up to 210 GPa, Phys. Earth Planet. Inter., 179, '3-4, 157-163, doi:10.1016/j.pepi.2009.11.005-- 2010.

Kenji Ohta, Kei Hirose, Masahiro Ichiki, Katsuya Shimizu, Nagayoshi Sata, Yasuo Ohishi, Electrical conductivities of pyrolitic mantle and MORB materials up to the lowermost mantle conditions, Earth Planet. Sci. Lett., 289, 497-502, 2010.

2009
Yoshio Fukao, Shuichi Kodaira, Masataka Kinoshita, Yoshiyuki Tatsumi, Naohiko Ohkochi, Katsuhiko Suzuki, Daisuke Suetsugu, Takeshi Hanyu, Hiroko Sugioka, Shigeaki Ono, Kei Hirose, Takatoshi Yanagisawa, Yozo Hamano, Toshiya Fujiwara, Hiroshi Kitazato, Narumi Takahashi, Hide Sakaguchi, Review of five years of activity at IFREE/JAMSTEC, JAMSTEC Report R&D, 9, 43-94, 2009.

Yasuhiro Kuwayama, Toshimitsu Sawai, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Phase relations of iron–silicon alloys at high pressure and high temperature, Physics and Chemistry of Minerals , 36, 9, 511-518, 2009.

Haruka Ozawa, Kei Hirose, Masanori Mitome, Yoshio Bando, Nagayoshi Sata, Yasuo Ohishi, Experimental study of reaction between perovskite and molten iron to 146 GPa and implications for chemically distinct buoyant layer at the top of the core, Physics and Chemistry of Minerals, 36, 6, 355-363, 2009.

Kenji Ohta, Kei Hirose, Katsuya Shimizu, Nagayoshi Sata, Yasuo Ohishi, The electrical resistance measurements of (Mg,Fe)SiO3 perovskite at high pressures and implications for electronic spin transition of iron, Phys. Earth Planet. Inter., - 2009.

Yasuhiro Kuwayama, Toshimitsu Sawai, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Phase relations of iron-silicon alloys at high pressure and high temperature, Physics and Chemistry of Minerals, 36, 9, 511-518, 2009.

Kei Hirose, High-Pressure Experimental Studies of Mantle Phase Transitions, Zishin, 61-special issue, 273-283, 2009.

Haruka Ozawa, Kei Hirose, Masanori Mitome, Yoshio Bando, Nagayoshi Sata, Yasuo Ohishi, Experimental study of reaction between perovskite and molten iron to 146 GPa and implications for chemical equilibrium at the core-mantle boundary, Physics and Chemistry of Minerals, 36, 6, 355-363, DOI: 10.1007/s00269-008-0283-x- 2009.

Yoshio Fukao, Masayuki Obayashi, Tomoeki Nakakuki, Deep Slab Project Group(Hisashi Utada, Daisuke Suetsugu, Tetsuo Irifune, Eiji Ohtani, Shoichi Yoshioka, Hajime Shiobara, Toshihiko Kanazawa, Kei Hirose), Stagnant slab: A review, Annu. Rev., Annual Review of Earth and Planetary Sciences, 37, 19-46, 2009.

S. Tateno, R. Sinmyo, Kei Hirose, H. Nishioka, The advanced ion-milling method for preparation of thin film using Ion Slicer: Application to a sample recovered from diamond-anvil cell, Review of Scientific Instruments, 80, \'013901- 2009.

M. Murakami, Y. Ohishi, N. Hirao, Kei Hirose, Elasticity of MgO to 130 GPa: Implications for lower mantle mineralogy,, Earth Planet. Sci. Lett., 277, 1-2, 123-129, 2009.

M. Murakami, Y. Asahara, Y. Ohishi, N. Hirao, Kei Hirose, Development of in-situ Brillouin spectroscopy at high pressure and temperature with synchrotron radiation and infrared laser heating system: Application to the Earth\\\'s deep interior, Phys. Earth Planet. Inter., doi:10.101, - 2009.

Shigehiko Tateno, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Determination of post-perovskite phase transition boundary up to 4400 K and implications for thermal structure in D\'\' layer, Earth Planet. Sci. Lett., 277, 130-136, 2009.

2008
K. Ohta, Kei Hirose, R. Shinmyou, S. Onoda, K. Shimizu, Measurements of Electrical Conductivity of (Mg,Fe)SiO3 Post-Perovskite using Laser-Heated Diamond-Anvil Cell, kouatsuryokuno kagakutogijutu, 18, 3, 260-266, 2008.

Yasuhiro Kuwayama, Kei Hirosea, Nagayoshi Sata, Yasuo Ohishi, Phase relations of iron and iron and iron-nickel alloys up to 300 GPa: Implications for composition and structure of the Earth\\\'s inner core, Earth Planet. Sci. Lett., 273, 3, 379-385, 2008.

Kei Hirose, N. Takafuji, K. Fujino, S.R. Shieh, T.S.Duffy, Iron partitioning between perovskite and post-perovskite: A transmission electron microscope study, American Mineralogist, 93, 1678-1681, 2008.

Yasuo Ohishi, Naohisa Hirao, Nagayoshi Sata, Kei Hirose, Masaki Takata, Highly intense monochromatic X-ray diffraction facility for high-pressure research at SPring-8, High Pressure Research, 28, doi:10.1080/08957950802208910- 2008.

Ryosuke Sinmyo, Kei Hirose, Daisuke Nishio-Hamane, Yusuke Seto, Kiyoshi Fujino, Nagayoshi Sata, Yasuo Ohishi, Partitioning of iron between perovskite/postperovskite and ferropericlase in the lower mantle, J. Geophys. Res., 113, doi:10.1019/2008JB005730- 2008.

Emiko Sugimura, Toshiaki Iitaka, Kei Hirose, Katsuyuki Kawamura, Nagayoshi Sata, Yasuo Ohishi, Compression of H2O ice to 126 GPa and implications for hydrogenbond symmetrization: Synchrotron x-ray diffraction measurements and density-functional calculations, Physical Review B, 77, doi:10.1103/PhysRevB.77.214103- 2008.

Ryosuke Sinmyo, Haruka Ozawa, Kei Hirose, Akira Yasuhara, Noriaki Endo, Nagayoshi Sata, Yasuo Ohishi, Ferric iron content in (Mg,Fe)SiO3 perovskite and postperovskite at deep lower mantle conditions, American Mineralogist, 93, doi:10.2138/am.2008.2806- 2008.

Wu Z., R. M. Wentzcovitch, K. Umemoto, B. Li, Kei Hirose, J.-C. Zheng, Pressure-volume-temperature relations in MgO: An ultrahigh pressure-temperature scale for planetary sciences applications, J. Geophys. Res., 113, B06204, doi:10.1029/2007JB005275- 2008.

Kei Hirose, Thorne Lay, Discovery of post-perovskite phase transition and new views of core-mantle boundary region, Elements, 4, 183-189, 2008.

Kei Hirose, Nagayoshi Sata, Tetsuya Komabayashi, Yasuo Ohishi, Simultaneous volume measurements of Au and MgO to 140 GPa and thermal equation of state of Au based on the MgO pressure scale, Phys. Earth Planet. Inter., 167, 149-154, 2008.

Haruka Ozawa, Kei Hirose, Masanori Mitome, Yoshio Bando, Nagayoshi Sata, Yasuo Ohishi, Chemical equilibrium between ferropericlase and molten iron to 134 GPa and implications for iron content at the bottom of the mantle, Geophys. Res. Lett., 35, doi:10.1029/2007GL032648- 2008.

Kenji Ohta, Suzue Onoda, Kei Hirose, Ryosuke Sinmyo, Katsuya Shimizu, Nagayoshi Sata, Yasuo Ohishi, Akira Yasuhara, The Electrical Conductivity of Post-Perovskite in Earth\'s D\" Layer, Science, 320, 89-91, 2008.

Kenji Ohta, Kei Hirose, Thorne Lay, Nagayoshi Sata, Yasuo Ohishi, Phase transitions in pyrolite and MORB at lowermost mantle conditions: Implications for a MORB-rich pile above the core-mantle boundary, Earth Planet. Sci. Lett., 267, 1-2, 107-117, 2008.

Nagayoshi Sata, Hiroaki Ohfuji, Kei Hirose, Hisao Kobayashi, Yasuo Ohishi, Naohisa Hirao, New high-pressure B2 phase of FeS above 180 GPa, American Mineralogist, 93, 492-494, 2008.

Tetsuya Komabayashi, Kei Hirose, Emiko Sugimura, Nagayoshi Sata, Yasuo Ohishi, Leonid S. Dubrovinsky, Simultaneous volume measurements of post-perovskite and perovskite in MgSiO3 and their thermal equations of state, Earth Planet. Sci. Lett., 265, 3-4, 515-524, 2008.

Kazufusa Ishibashi, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Dissociation of CAS phase in the uppermost lower mantle, Physics and Chemistry of Minerals, 35, 4, 197-200, 2008.

2007
Motohiko Murakami, Stanislav V Sinogeikin, Jay D Bass, Nagayoshi Sata, Yasuo Ohishi, Kei Hirose, Sound velocity of MgSiO3 post-perovskite phase: A constraint on the DĄí discontinuity, Earth Planet. Sci. Lett., 259, 18-23, 2007.

Tetsuya Komabayashi, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Leonid S. Dubrovinsky, Phase transition in CaSiO3 perovskite, Earth Planet. Sci. Lett., 260, 3-4, doi:10.1016/j.epsl.2007.06.015- 2007.

H. Ohfuji, N. Sata, H. Kobayashi, Y. Ohishi, K. Hirose, T. Irifune, A new high-pressure and high-temperature polymorph of FeS, Physics and Chemistry of Minerals, 34, 5, 335-343, 2007.

Shigehiko Tateno, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Solubility of FeO in (Mg,Fe)SiO3 perovskite and the postperovskite phase transition, Phys. Earth Planet. Inter., 160, 319-325, 2007.

2006
Sean R. Shieh, Thomas S. Duffy, Atsushi Kubo, Guoyin Shen, Vitali B. Prakapenka, Nagayoshi Sata, Kei Hirose, Yasuo Ohishi, Equation of state of the postperovskite phase synthesized from a natural (Mg,Fe)SiO3 orthopyroxene, Proceedings of the National Academy of Sciences of the United States of America, 103, 9, doi:10.1073/pnas.0506811103- 2006.

Kei Hirose, Ryosuke Sinmyo, Nagayoshi Sata, Yasuo Ohishi, Determination of post-perovskite phase transition boundary in MgSiO3 using Au and MgO pressure standards, Geophys. Res. Lett., 33, L01310, doi:10.1029/2005GL024468- 2006.

2005
Kei Hirose, Naoto Takafuji, Nagayoshi Sata, Yasuo Ohishi, Phase transition and density of subducted MORB crust in the lower mantle, Earth Planet. Sci. Lett., 237, 239-251, 2005.

Kei Hirose, Katsuyuki Kawamura, Yasuo Ohishi, Shigehiko Tateno, Nagayoshi Sata, Stability and equation of state of MgGeO3 post-perovskite phase, American Mineralogist, 90, 262-265, 2005.

Yasuhiro Kuwayama, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, The pyrite-type high-pressure form of silica, Science, 309, 923-925, 2005.

Motohiko Murakami, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Post-perovskite phase transition and mineral chemistry in the pyrolitic lowermost mantle, Geophys. Res. Lett., 32, L03304- 2005.

Shigehiko Tateno, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, Phase relations in Mg3Al2Si3O12 to 180 GPa: Effect of Al on post-perovskite phase transition, Geophys. Res. Lett., 32, doi:10.1029/2005GL023309- 2005.

Shigehiko Tateno, Kei Hirose, Nagayoshi Sata, Yasuo Ohishi, High-pressure behavior of MnGeO3 and CdGeO3 perovskites and the post-perovskite phase transition, Physics and Chemistry of Minerals, 32, doi:10.1007/s00269-005-0049-7- 2005.

2004
Naoto Takafuji, Kei Hirose, Shigeaki Ono, Fangfang Xu, Masanori Mitome, Yoshio Bando, Segregation of core melts by permeable flow in the lower mantle, Earth Planet. Sci. Lett., 224, 249-257, 2004.

Motohiko Murakami, Kei Hirose, Shigeaki Ono, Taku Tsuchiya, Maiko Isshiki, Tetsu Watanuki, High pressure and high temperature phase transitions of FeO, Phys. Earth Planet. Inter., 146, 273-282, 2004.

M. Isshiki, T. Irifune, K. Hirose, S. Ono, Y. Ohishi, T. Watanuki, E. nishibori, M. Takata, M. Sakata, Stability of magnesite and its high-pressure form in the lowermost mantle, Nature, 427, 60-63, 2004.

2003
Motohiko Murakami, Kei Hirose, Shigeaki Ono, Yasuo Ohishi, Stability of CaCl2-type and a-PbO2-type SiO2 at high pressure and temperature determined by in-situ X-ray measurements, Geophys. Res. Lett., 30, 5, doi:10.1029/2002GL016722- 2003.

Shigeaki Ono, Taku Tsuchiya, Kei Hirose, Yasuo Ohishi, High-pressure form of pyrite-type germanium dioxide, Physical Review B, 68, doi:10.1103/PhysRevB.68.014103- 2003.

S. Ono, T. Tsuchiya, K. Hirose, Y. Ohishi, The phase transition between the CaCl2-type and a-PbO2-type structures of germanium dioxide, Phys. Rev. B, 68, 13, 134108-134108, 2003.

2002
Shigeaki Ono, Takuma Suto, Kei Hirose, Yasuhiro Kuwayama, Tetsuya Komabayashi, Takumi Kikegawa, Equation of state of Al-bearing stishovite to 40 GPa at 300 K, American Mineralogist, 87, 1486-1489, 2002.

Shigeaki Ono, Kei Hirose, Maiko Isshiki, Kenji Mibe, Yoko Saito, Equation of state of hexagonal aluminous phase of natural composition to 63 GPa at 300K, Physics and Chemistry of Minerals, 29, 527-531, 2002.