Takeshi Sakai
Takeshi Sakai
Geodynamics Research Center, Ehime University
確認したメール アドレス: sci.ehime-u.ac.jp
タイトル引用先
Stability of a hydrous δ-phase, AlOOH–MgSiO2 (OH) 2, and a mechanism for water transport into the base of lower mantle
I Ohira, E Ohtani, T Sakai, M Miyahara, N Hirao, Y Ohishi, M Nishijima
Earth and Planetary Science Letters 401, 12-17, 2014
872014
Aluminous hydrous mineral δ‐AlOOH as a carrier of hydrogen into the core‐mantle boundary
A Sano, E Ohtani, T Kondo, N Hirao, T Sakai, N Sata, Y Ohishi, ...
Geophysical Research Letters 35 (3), 2008
722008
Partitioning of oxygen between the Earth's mantle and core
DJ Frost, Y Asahara, DC Rubie, N Miyajima, LS Dubrovinsky, C Holzapfel, ...
Journal of Geophysical Research: Solid Earth 115 (B2), 2010
682010
Interaction between iron and post‐perovskite at core‐mantle boundary and core signature in plume source region
T Sakai, T Kondo, E Ohtani, H Terasaki, N Endo, T Kuba, T Suzuki, ...
Geophysical research letters 33 (15), 2006
592006
Sound velocity measurements in dhcp-FeH up to 70 GPa with inelastic X-ray scattering: Implications for the composition of the Earth's core
Y Shibazaki, E Ohtani, H Fukui, T Sakai, S Kamada, D Ishikawa, S Tsutsui, ...
Earth and Planetary Science Letters 313, 79-85, 2012
562012
Stability field of the hcp‐structure for Fe, Fe‐Ni, and Fe‐Ni‐Si alloys up to 3 Mbar
T Sakai, E Ohtani, N Hirao, Y Ohishi
Geophysical research letters 38 (9), 2011
502011
Phase relationships of the Fe–FeS system in conditions up to the Earth's outer core
S Kamada, H Terasaki, E Ohtani, T Sakai, T Kikegawa, Y Ohishi, N Hirao, ...
Earth and Planetary Science Letters 294 (1-2), 94-100, 2010
472010
Sound velocity of hexagonal close‐packed iron up to core pressures
E Ohtani, Y Shibazaki, T Sakai, K Mibe, H Fukui, S Kamada, T Sakamaki, ...
Geophysical Research Letters 40 (19), 5089-5094, 2013
452013
Melting relationships in the Fe–Fe3S system up to the outer core conditions
S Kamada, E Ohtani, H Terasaki, T Sakai, M Miyahara, Y Ohishi, N Hirao
Earth and Planetary Science Letters 359, 26-33, 2012
452012
Natural dissociation of olivine to (Mg, Fe) SiO3 perovskite and magnesiowüstite in a shocked Martian meteorite
M Miyahara, E Ohtani, S Ozawa, M Kimura, A El Goresy, T Sakai, ...
Proceedings of the National Academy of Sciences 108 (15), 5999-6003, 2011
442011
Melting of iron–silicon alloy up to the core–mantle boundary pressure: implications to the thermal structure of the Earth’s core
H Asanuma, E Ohtani, T Sakai, H Terasaki, S Kamada, T Kondo, ...
Physics and Chemistry of Minerals 37 (6), 353-359, 2010
422010
Fe-Mg partitioning between perovskite and ferropericlase in the lower mantle
T Sakai, E Ohtani, H Terasaki, N Sawada, Y Kobayashi, M Miyahara, ...
American Mineralogist 94 (7), 921-925, 2009
422009
Liquidus and solidus temperatures of a Fe–O–S alloy up to the pressures of the outer core: Implication for the thermal structure of the Earth's core
H Terasaki, S Kamada, T Sakai, E Ohtani, N Hirao, Y Ohishi
Earth and Planetary Science Letters 304 (3-4), 559-564, 2011
392011
Stability of Fe–Ni hydride after the reaction between Fe–Ni alloy and hydrous phase (δ-AlOOH) up to 1.2 Mbar: Possibility of H contribution to the core density deficit
H Terasaki, E Ohtani, T Sakai, S Kamada, H Asanuma, Y Shibazaki, ...
Physics of the Earth and Planetary Interiors 194, 18-24, 2012
382012
Phase relations of Fe‐Si alloy up to core conditions: Implications for the Earth inner core
H Asanuma, E Ohtani, T Sakai, H Terasaki, S Kamada, N Hirao, N Sata, ...
Geophysical Research Letters 35 (12), 2008
362008
Recent advances in the study of mantle phase transitions
E Ohtani, T Sakai
Physics of the Earth and Planetary Interiors 170 (3-4), 240-247, 2008
342008
Equation of state of the NaCl-B2 phase up to 304 GPa
T Sakai, E Ohtani, N Hirao, Y Ohishi
Journal of Applied physics 109 (8), 084912, 2011
322011
Equation of state of pure iron and Fe0. 9Ni0. 1 alloy up to 3 Mbar
T Sakai, S Takahashi, N Nishitani, I Mashino, E Ohtani, N Hirao
Physics of the Earth and Planetary Interiors 228, 114-126, 2014
302014
Discovery of seifertite in a shocked lunar meteorite
M Miyahara, S Kaneko, E Ohtani, T Sakai, T Nagase, M Kayama, ...
Nature communications 4, 1737, 2013
292013
Constraints on Earth’s inner core composition inferred from measurements of the sound velocity of hcp-iron in extreme conditions
T Sakamaki, E Ohtani, H Fukui, S Kamada, S Takahashi, T Sakairi, ...
Science advances 2 (2), e1500802, 2016
282016
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