地球惑星中心領域の超高圧物質科学 - MATCI 産学連携支援マッチング情報システム

研究課題番号	KAKENHI-PROJECT-22000002
研究種目	特別推進研究
研究分野
研究機関	東北大学
代表研究者	大谷栄治
研究分担者	村上元彦
研究分担者	鈴木昭夫
研究分担者	寺崎英紀
研究分担者	平尾直久
研究分担者	宮原正明
研究分担者	福井宏之
連携研究者	境毅
連携研究者	坂巻竜也
連携研究者	鎌田誠司
研究期間開始年月日	2010/4/1
研究期間終了年度	2014
研究ステータス	完了 (2014/4/1)
配分額（合計）	482,430,000 (直接経費 :371,100,000、間接経費 :111,330,000)
配分額（履歴）	2014年度：58,500,000 (直接経費 :45,000,000、間接経費 :13,500,000) 2013年度：99,450,000 (直接経費 :76,500,000、間接経費 :22,950,000) 2012年度：94,770,000 (直接経費 :72,900,000、間接経費 :21,870,000) 2011年度：113,230,000 (直接経費 :87,100,000、間接経費 :26,130,000) 2010年度：116,480,000 (直接経費 :89,600,000、間接経費 :26,880,000)
キーワード	地球惑星物質地球惑星進化地殻・マントル・核鉱物物理地殻・マントル固体地球物理学岩鉱・鉱物・鉱床学地球惑星内部構造高温高圧個体地球物理学

[雑誌論文] High-pressure generation using double stage micro-paired diamond anvils shaped by focused ion beam

T. Sakai, T. Yagi, H. Ohfuji, T. Irifune, Y. Ohishi, N. Hirao, Y. Suzuki, Y. Kuroda, T. Asakawa, T. Kanemura 2015

[学会発表] Equation of state of MgSiO3 post-perovskite

T. Sakai, H. Dekura, N. Hirao 2014

[学会発表] Sound velocity of iron up to 160 Gigapascals and 3000 Kelvin.

Sakamaki T, Ohtani E., Fukui H., Kamada S., Takahashi S., Sakairi T., Takahata A., Sakai T., Tsutsui S., Baron A. Q. R. 2014

[学会発表] 2段式加圧方式DACによる超高圧発生への試み

境毅, 八木健彦, 大藤弘明, 入舩徹男, 大石泰生, 平尾直久, 鈴木裕也, 黒田靖, 浅川孝之, 金村崇 2014

[学会発表] Sound velocity and density of Hcp-Fe under Earth's core conditions

Sakamaki T., Ohtani E., Fukui H., Kamada S., Takahashi S., Sakairi T., Takahata A., Sakai T., Tsutsui S., Baron A.Q.R. 2014

[雑誌論文] The spin state of iron in Fe3+-bearing Mg-perovskite and its crystal chemistry at high pressure

Mashino I., Ohtani E., Hirao N., Mitsui T., Masuda R., Seto M., Sakai T., Takahashi S., Nakano S. 2014

[学会発表] Melting relations in the Fe-S-Si system at high pressure and temperature : Implications for the thermal structures of the planetary cores

Sakairi T., Ohtani E. Sakai T., Kamada S., Sakamaki T., Hirao N. 2014

[学会発表] Elemental partitioning in the Fe-S-Si system ag high pressure and temperature : Implications for the Earth's core

Sakairi T., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N. 2014

[学会発表] Sound velocity and density measurement of liquid FeSi alloy by laser-shock compression

R. Hosogi, N. Yokoyama, T. Sakaiya, T. Kondo, H. Terasaki, K. Shigemori, Y. Hironaka 2014

[学会発表] Sound velocities and densities of Fe3S at high pressure : Implication for the earth's inner core

Kamada S., Ohtani E., Terasaki H., Sakai T., Takahashi S., Fukui H., Baron A.Q.R., Hirao N., Ohishi Y. 2014

[学会発表] Sound velocities of laser-shocked Fe-Ni alloys under Earth core conditions

T. Sakaiya, N. Yokoyama, R. Hosogi, T. Kondo, H. Terasaki, K. Shigemori, Y. Hironaka 2014

[学会発表] Sound velocity measurements of iron-light element alloys : A challenge to the core conditions.

Ohtani E., Sakamaki T., Kamada S., Fukui H., Shibazaki Y., Takahashi S., Sakai T., Tsutsui S., Baron A. Q. R. 2014

[雑誌論文] The spin state of iron in Fe3+-bearing Mg-perovskite and its crystal chemistry at high pressure.

Mashino I., Ohtani E., Hirao N., Mitsui T., Masuda R., Seto M., Sakai T., Takahashi S., Nakano S 2014

[学会発表] NPDマイクロダイヤを用いた2段式加圧方式DACの試み

境毅, 八木健彦, 大藤弘明, 入舩徹男, 國本健広, 大石泰生, 平尾直久 2014

[学会発表] Equation of state of (Fe, Ni)3S phase-Implications for Mars internal structure

S. Akagi, T. Sakai, N. Hirao 2014

[学会発表] 物質の硬さに着眼したレーザー核融合ターゲットの設計

重森啓介、加藤弘樹、中井光男、境家達弘、寺崎英紀、弘中陽一郎、藤岡慎介、砂原淳、清水克哉、畦地宏 2014

[雑誌論文] Stability of a hydrous δ-phase, A100H-MgSi02(OH)2, and a mechanism for water transport into the base of lower mantle

Ohira, I., Ohtani, E., Sakai, T., Miyahara, M., Hirao, N., Ohishi, Y., Nishijima, M. 2014

[学会発表] Vp and EOS of Fe3S.

Kamada S., Ohtani E., Fukui H., Sakai T., Terasaki H., Shibazaki Y., Tsutsui S., Baron A. Q. R., Hirao N., Ohishi Y. 2014

[雑誌論文] The sound velocity measurements of Fe3S.

Kamada S., Ohtani E., Fukui H., Sakai T., Terasaki H., Takahashi S., Shibazaki Y., Tsutsui S., Baron A. Q. R., Hirao N., Ohishi Y. 2014

[学会発表] Eucriteの衝撃変性の記録

宮原正明, 大谷栄治, 山口亮, 小澤信, 境毅, 平尾直久 2014

[学会発表] レーザー衝撃圧縮法によるFeSi融体の音速密度測定

細木亮太、境家達弘、横山直也、近藤忠、寺崎英紀、重森啓介、弘中陽一郎 2014

[雑誌論文] Equation of state of pure iron and Fe0.9Ni0.1 alloy up to 3 Mbar.

Sakai T., Takahashi S., Nishitani N., Mashino I., Ohtani E., Hirao N. 2014

[学会発表] Equation of state of MgSiO3 post-perovskite : Implications for the internal structure of super-Earth

T. Sakai, H. Dekura, N. Hirao 2014

[学会発表] 惑星深部条件における鉄合金の音速と密度

境家達弘、横山直也、細木亮太、近藤忠、寺崎英紀、弘中陽一郎、重森啓介 2014

[雑誌論文] Equation of state of Fe3S at room temperature up to 2 megabars

Kamada S., Ohtani E., Terasaki H., Sakai T., Takahashi S., Hirao N., Ohishi Y. 2014

[雑誌論文] Discovery of coesite and stishovite in eucrite

Miyahara M., Ohtani E., Yamaguchi A., Ozawa S., Sakai T. 2014

[学会発表] Compressional sound velocity and density measurements of hcp-Fe under core conditions

Sakamaki T., Ohtani E., Fukui H., Kamada S., Takahashi S., Sakairi T., Takahata A., Sakai T., Tsutsui T., Baron A. 2014

[学会発表] Sound velocity-density relation for dhcp-FeH using inelastic X-ray scattering and in situ X-ray diffractions methods.

Shibazaki Y., Ohtani E., Fukui H., Sakai T., Kamada S., Tsutsui S., Baron A. Q. R., Hirao N. 2014

[学会発表] レーザー衝撃圧縮法によるFeSi融体中を伝わる音速の測定

細木亮太、境家達弘、横山直也、近藤忠、寺崎英紀、重森啓介、弘中陽一郎 2014

[学会発表] Equations of state of iron and Fe0.9Ni0.1 alloy.

Sakai T., Takahashi S., Nishitani N., Mashino I., Ohtani E., Hirao N. 2014

[学会発表] 地球型惑星の中心核形成プロセス

寺崎英紀、境家達弘、秋本耕作、細木亮太、重森啓介、加藤弘樹、近藤忠 2014

[雑誌論文] High-pressure and high-temperature phase diagram for Fe0.9Ni0.1-Halloy

Shibazaki Y., Terasaki H., Ohtani E., Tateyama R., Nishida K., Funakoshi K., Higo Y. 2014

[雑誌論文] Repulsive Nature for Hydrogen Incorporation to Fe<sub>3</sub>C up to 14 GPa

Terasaki H., Shibazaki Y., Nishida K., Tateyama R., Takahashi S., Ishii M., Shimoyama Y., Ohtani E., Funakoshi K., Higo Y. 2014

[雑誌論文] Equation of state of Fe3S at room temperature up to 2 megabars.

Kamada S., Ohtani E., Terasaki H., Sakai T., Takahashi S., Hirao N., Ohishi Y. 2014

[雑誌論文] Discovery of seifertite in a shocked lunar meteorite.

Masaaki Miyahara, Shohei Kaneko, Eiji Ohtani, Takeshi Sakai, Toshiro Nagase Masahiro Kayama, Hirotsugu Nishido, Naohisa Hirao. 2013

[雑誌論文] Discovery of seifertite in a shocked lunar meteorite.

Miyahara M., Kaneko S., Ohtani E., Sakai T., Nagase T., Kayama M., Nishido H. and Hirao N. 2013

[学会発表] A new mechanism for transport of water into CMB.

Ohtani E., Ohira I., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M. 2013

[学会発表] Sound velocity of iron-light-element alloys at high pressure and temperature and composition and thermal state of the inner core.

Ohtani E., Sakai T., Kamada S., Sakamaki T., Mibe K., Shibazaki Y., Fukui H., Tsutsui S., Baron A 2013

[学会発表] Sound velocities of liquid iron alloys under Earth's core conditions by laser-shock compression

Sakaiya, T., Yokoyama, N., Hosogi, R., Kondo, T., Terasaki, H., Kadono, T., Hironaka, Y, Shigemori, K. 2013

[学会発表] Melting experiments of Fe-O-S at high pressure.

Sakamaki T., Ohtani E., Kamada S., Sakai T., Nishitani N., Takahashi S., Sakairi T., Ohira I., Hirao N., Ohishi Y. 2013

[雑誌論文] Sound velocity of hexagonal close-packed iron up to core pressures.

Ohtani E., Shibazaki Y., Sakai T., Mibe K., Fukui H., Kamada S., Sakamaki T., Seto U., Tsutsui S., Baron Q. R. A. 2013

[学会発表] Stability and melting relations of Fe3C up to 3 Mbar : Implication for the carbon in the Earth' s inner core.

Takahashi S., Ohtani E., Sakai T., Mashino I., Kamada S., Miyahara M., Sakamaki T., Hirao N., Ohishi Y. 2013

[学会発表] Melting relationships of the Fe-S-Si system at high pressure: Implications for the Earth's core.

Sakairi T., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N., Ohishi Y. 2013

[学会発表] High-pressure silica polymorphs in lunar samples.

Kaneko S., Ohtani E. Miyahara M., Sakai T., Kayama M., Nishido H., Arai T., Hirao N. 2013

[学会発表] Sound velocity of FeSi alloy at high pressure conditions by the laser-shock compression,

Hosogi, R., Sakaiya, T., Yokoyarma, N., Kondo, T, Terasaki, H., Hironaka, Y., Shigemori, K. 2013

[学会発表] Nickel effect on the density and bulk modulus; Implication for the terrestrial planet's core

Sakai, T. 2013

[雑誌論文] Extraterrestrial jadeite in a shocked meteorite.

Miyahara M., Ozawa S., Ohtani E., Kimura M., Kubo T., Sakai T., Nagase T., Nishijima M. and Hirao N. 2013

[学会発表] Stability and melting relations of Fe3C: Implication for the carbon in the Earth's core.

Takahashi S., Ohtani E., Sakai T., Hirao N., Ohishi Y., 2013

[学会発表] 高温高圧下におけるFe-s-Si系の元素分配

坂入崇紀、大谷栄治、境毅、鎌田誠司、宮原正明、平尾直久 2013

[雑誌論文] A compact system for generating extreme pressures and temperatures : An application of laser-heated diamond anvil cell to inelastic X-ray scattering.

Fukui H., Sakai T., Sakamaki T., Kamada S., Takahashi S., Ohtani E., Baron AQR. 2013

[学会発表] Melting relation on the Fe-S- Si system at high pressure and temperature : Implications for the Earth' s core.

Sakairi T., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N., Ohishi Y. 2013

[学会発表] Equation of stateof Fe3+ -bearing perovskite in lower mantle and effects of spin transition on iron.

Mashino I., Hirao N., Ohtani E., Mitsui T., Masuda R., Sakai T., Nakano S. 2013

[学会発表] Melting relations and stability of Fe3C up to 230 GPa : Implication for the carbon in the Earth' s inner core.

Takahashi S., Ohtani E., Sakai T., Miyahara M., Kamada S., Mashino I., Hirao N., Ohishi Y. 2013

[学会発表] Transformation of Ca-perovskite in MORB under the deep mantle conditions.

Nishitani N., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N., 2013

[学会発表] Evidence for a dynamic event recorded in HED meteorites.

Miyahara M., Ohtani E., Yamaguchi A., Ozawa S., Sakai T., Hirao N. 2013

[学会発表] Discovery of coesite and stishovite from eucrite.

Miyahara M., Ohtani E., Yamaguchi A., Ozawa S., Sakai T., Hirao N. 2013

[学会発表] Sound velocity and density measurements of FeSi alloy by laser-shock compression

境家達弘, 近藤忠, 寺崎英紀, 弘中陽一郎, 重森啓介 2013

[学会発表] レーザー加熱による高温高圧X線非弾性散乱によるhcp-Feの縦波速度測定

大谷栄治、坂巻竜也、福井宏之、鎌田誠司、高橋豪、坂入崇紀、高畑明拓、境毅、筒井聡、Baron Alfred 2013

[学会発表] マイクロダイヤモンドアンビルを用いた超高圧発生実験

八木健彦, 境毅, 大藤弘明, 入舩徹男, 大石泰生, 平尾直久, 鈴木裕也, 黒田靖, 浅川孝之, 金村崇 2013

[学会発表] Reaction of aluminous perovskite and water at high pressure and temperature: Implications for water transport into deep lower mantle and core.

Ohira I., Ohtani E., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M. 2013

[学会発表] Sound velocity measurements for iron alloys at Earth core pressures and universal relations between solid and liquid

境家達弘, 横山直也, 細木亮太, 近藤忠, 境家達弘, 横山直也, 紬木亮太, 寺崎英紀, 重森啓介, 弘中陽一郎 2013

[学会発表] Amount of sulfur in the inner core based on sound velocities and EOS of Fe3S at high pressure.

Kamada S., Ohtani E., Terasaki H., Sakai T., Fukui H., Takahashi S., Baron A., Hirao N., Ohishi Y. 2013

[学会発表] MgSiO3ポストペロフスカイト相の状態方程式

境毅, 出倉春彦, 平尾直久 2013

[雑誌論文] Thermal equation of state and thermodynamic properties of molybdenum at high pressures.

Litasov KD., Dorogokupets PI., Ohtani E., Fei YW., Shatskiy A., Sharygin IS., Gavryushkin PN., Rashchenko SV., Seryotkin YV., Higo Y., Funakoshi K., Chanyshev AD., Lobanov SS. 2013

[学会発表] Melting relation of Fe3C in-situ X-ray diffraction experiments

Takahashi S., Ohtani E., Sakai T., Shibazaki Y., Nishitani N., Ohira I., Sakairi T., Hirao N., Ohishi Y. 2012

[学会発表] Equation of state of Fe and Fe-Ni alloy at multi-megabar.

Sakai T., Takahashi S., Nishitani N., Mashino I., Ohtani E., Hirao N. 2012

[学会発表] Melting relations of the Fe-S-Si system at high pressure.

Sakairai T., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N., Ohishi Y. 2012

[学会発表] Sound velocity measurement of hcp-Fe at high pressure and temperature.

Ohtani E., Shibazaki Y., Sakai T., Fukui H., Tsutsui S., Baron A. B. 2012

[学会発表] Equation of state of Fe3+-bearing Mg-perovskite in the lower mantle and effects of spin transition of iron.

Mashino I., Hirao N., Ohtani E., Sakai T., Hamada M., Nakano S., Akasaka M. 2012

[学会発表] Discovery of coesite and stishovite in HED meteorite, The Third Symposium on Polar Science

Miyahara, M., E. Ohtani, A. Yamaguchi, S. Ozawa, T. Sakai and N. Hirao 2012

[学会発表] Stability and melting of Fe3C at high pressure and temperature by in situ X-ray diffraction.

Takahashi S., Ohtani E., Sakai T., Hirao N., Ohishi Y. 2012

[学会発表] Ca-perovskite transformation in MORB under the deep mantle conditions.

Nishitani N., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N. 2012

[学会発表] Phase relations and sound velocity measurements of iron-sulfur systems at high pressure: Implications for the Earth’s core.

Ohtani E., Kamada S., Sakai T., Terasaki H., Shibazaki Y., Sakamaki T., Takahashi S., Sakairi T., Fukui H., Baron AQ. 2012

[学会発表] Coexistense of MgASiO3-perovskite and Mg, Si-bearing δ-AlOOH at thigh pressure and high temperature: Implications for water transport into the lower mantle and core.

Ohira I., Ohtani E., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M. 2012

[雑誌論文] Melting relationships in the Fe-Fe3S system up to the outer core conditions.

Kamada S., Ohtani E., Terasaki H., Sakai T., Miyahara M., Ohishi Y., Hirao N., 2012

[学会発表] Phase transformation of Ca-perovskite in MORB at D” region.

Nishitani N., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N. 2012

[学会発表] Melting relationships of the Fe-S-Si system up to 60 GPa: Implications for the thermal structure of the Earth’s core

Sakairi T., Ohtani E., Sakai T., Kamada S., Miyahara M., Hirao N., Ohishi Y. 2012

[学会発表] 下部マントルにおけるFe3+を含むMg-ペロブスカイトの状態方程式とスピン転移の影響

増野いづみ、大谷栄治、境毅、浜田麻希、中野智志、赤坂正秀、平尾直久 2012

[学会発表] Sound Velocity Measurements in FeH using Inelastic X-ray Scattering : Implications for Hydrogen Abundance in the Earth's Core

Shibazaki Y., Ohtani E., Sakai T., Fukui H., Kamada S., Baron A.Q.R., Nishitani N., Hirao N., Takemura K. 2012

[学会発表] 高温高圧その場X線回折実験によるFe3Cの安定性と溶解関係

高橋豪、大谷栄治、境毅、平尾直久、大石泰生 2012

[学会発表] An evidence for olivine dissociation into silicate-perovskite and magnesiowustite in a shocked Martian meteorite.

Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y 2012

[学会発表] Stability of high Pressure Hydrous Delta-phase and its Roles under the Lower Mantle Conditions.

Ohtani E., Ohira I., Sakai T., Terasaki H., Hirao N. 2012

[学会発表] Equation of state of Fe3+-bearing perovskite in Earth’s lower mantle and effects of spin transition of iron.

Mashino I., Hirao N., Ohtani E., Sakai T., Hamada M., Nakano S., Akasaka M. 2012

[学会発表] コンパクトLH-DACを用いた高温高圧X線非弾性散乱

福井宏之、境毅、坂巻竜也、高橋豪、Alfred Baron、大谷栄治 2012

[学会発表] Planetesimal collision on the Moon at 2.7 Ga indicated by silica high-pressure polymorph.

Miyahara M., Kaneko S., Ohtani E., Sakai T., Nagase T., Kayama M., Nishido H., Hirao N. 2012

[学会発表] Sulfur content in the core

Sakai T., Ohtani E., Terasaki H., Kamada S., Hirao N. 2012

[学会発表] Determination of stability and melting relations of Fe3C by in-situ X-ray diffraction experiments: Implication for the carbon in the Earth’s core.

Takahashi S., Ohtani E., Sakai T., Hirao N., Ohishi Y. 2012

[学会発表] Jadeite in shocked L6 and H6 chondrites.

Miyahara M., Ozawa S., Ohtani E., Kimura M., Sakai T., Nagase T., Nishijima M., Hirao N. 2012

[学会発表] 高温高圧下における鉄の音速測定と内核の構成

大谷栄治、境毅、柴崎裕樹、福井宏之、三部賢治、坂巻竜也、高橋豪、坂入崇紀、筒井聡、アルフレッドB　バロン 2012

[学会発表] Equations of state of vore materials; implication for the core composition.

Sakai T., Takahashi S., Nishitani N., Mashino I., Ohtani E., Hirao N. 2012

[学会発表] 高温高圧下におけるFe-S-Si系の融解関係

坂入崇紀、大谷栄治、境毅、鎌田誠司、平尾直久、大石泰生 2012

[学会発表] Fe0.9Ni0.1合金の状態方程式

境毅、高橋豪、西谷尚也、増野いづみ、大谷栄治、平尾直久 2012

[学会発表] 放射光X線回折法およびスペクトロスコピーを併用した地球中心部の総合的解明

増野いづみ、大谷栄治、境毅、寺崎英紀、村上元彦、平尾直久、大石泰生 2012

[学会発表] Stability and melting of Fe3C at high pressure and temperature: Implication for the carbon in the Earth’s core.

Takahashi S., Ohtani E., Sakai T., Hirao N., Ohishi Y. 2012

[学会発表] Equation of state of Fe-Ni Alloy at multi-megabar pressure

Sakai T., Ohtani E., Hirao N. 2012

[学会発表] Sound velocity measurement of hcp-iron and iron-light-element alloys at high pressure and temperature.

Ohtani E., Shibazaki Y., Sakai T., Kamada S., Fukui H., Mibe K., Tsutsui S., Baron A.B. 2012

[学会発表] Reaction of aluminous perovskite and water at high pressure and temperature and water transport into the lower mantle.

Ohira I., Ohtani E., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M. 2012

[学会発表] 高温高圧下におけるhcp-Feの音速測定と地球核の構造

大谷栄治、境毅、柴崎裕樹、福井宏之、三部賢治、坂巻竜也、高橋豪、坂入崇紀、筒井聡、Alfred B. Baron 2012

[学会発表] Determination of melting relation of Fe3C by in-situ X-ray diffraction experiments.

Takahashi S., Ohtani E., Sakai T., Shibazaki Y., Nishitani N., Ohira I., Sakairi T., Hirao N., Ohishi Y. 2012

[学会発表] Study of melting phenomena under the deep mantle conditions

Nishitani N., Ohtani E., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M., Murakami M. 2011

[雑誌論文] Static compression of Fe0.83Ni0.09Si0.08 alloy to 374 GPa and Fe0.93Si0.07 alloy to 252 GPa : Implications for the Earth's inner core

Asanuma H., Ohtani E., Sakai T., Terasaki H., Kamada S., Hirao N., Ohishi Y. 2011

[雑誌論文] 高圧下における鉄-硫黄系の相平衡・融解関係:地球核への適用

鎌田誠司, 寺崎英紀, 大谷栄治, 境毅 2011

[学会発表] Dynamic event recorded in a lunar meteorite NWA 4734

Kaneko S., Ohtani E., Miyahara M., Sakai T., Kayama M., Nishido H., Oishi Y., Hirao N. 2011

[学会発表] 月隕石からのα-PbO2型シリカ高圧相の発見

金子詳平, 大谷栄治, 宮原正明, 境毅, 鹿山雅裕, 西戸裕嗣, 大石泰生, 平尾直久 2011

[学会発表] 月隕石からのα-PbO2型シリカの発見

金子詳平, 大谷栄治, 宮原正明, 境毅, 鹿山雅裕, 西戸裕嗣, 大石泰生, 平尾直久 2011

[学会発表] Phase relation of Fe-Ni-Si alloy up to 3 Mbar

Sakai T., Ohtani E., Hirao N., Ohishi Y. 2011

[学会発表] Dissociation of olivine to silicate-perovskite and magnesiowustite in the shocked Martian meteorite DaG 735

Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y. 2011

[雑誌論文] Liquidus and solidus temperatures of a Fe-O-S alloy up to the pressures of the outer core : Implication for the thermal structures of the Earth's core

Terasaki H., Kamada S., Sakai T., Ohtani E., Hirao N., Ohishi Y. 2011

[学会発表] (Fe,Ni)3S相の安定性と圧縮挙動

境毅, 大谷栄治, 寺崎英紀, 鎌田誠司, 平尾直久 2011

[学会発表] Melting in the Fe-S-Si system at high pressure : Inplication for the temperature in the outer core

Sakairi T., Ohtani E., Sakai T. 2011

[学会発表] Melting relation of Fe-O-S ally at the outer core condition

Terasaki H., Kamada S., Sakai T., Ohtani E., Hirao N., Ohishi Y. 2011

[学会発表] Sound velocity measurements of dhcp-FeHx up to 70 GPa using inelastic X-ray scattering : Implications for the abundance of hydrogen in the Earth's core

Yuki Shibazaki, Eiji Ohtani, Hiroshi Fukui, Takeshi Sakai, Seiji Kamada, Alfred Q.Baron, Naoya Nishitani, Naohisa Hirao, Kenichi Takemura 2011

[学会発表] 非弾性散乱実験によるdhcp-FeHxのVp測定:地球核中の水素量

柴崎裕樹, 大谷栄治, 福井宏之, 境毅, 鎌田誠司, 石川大介, 筒井智嗣, Alfred Q.R.Baron, 西谷尚也, 平尾直久, 竹村謙一 2011

[学会発表] 高温高圧下におけるFe-S-Si系の融解関係:地球核の温度構造への応用

坂入崇紀, 大谷栄治, 境毅, 鎌田誠司, 平尾直久, 大石泰生 2011

[学会発表] 地球の内角の構造と物性

大谷栄治, 境毅, 鎌田誠司, 福井宏之, バロン・アルフレッド, 平尾直久, 大石泰, 瀬戸雄介 2011

[学会発表] Melting relationships in the Fe-Fe3S system based on X-ray diffraction up to 180 GPa

Seiji Kamada, Eiji Ohtani, Hidenori Terasaki, Takeshi Sakai, Yasuo Ohishi, Naohisa Hirao, Masaaki Miyahara 2011

[学会発表] 中央海嶺玄武岩中のCa-ペロブスカイト相転移

西谷尚也, 大谷栄治, 境毅, 宮原正明, 平尾直久, 大石泰生 2011

[学会発表] 水星核-マントル境界条件におけるUおよびThの金属/珪酸塩間の分配挙動

石井美帆, 大谷栄治, 寺崎英紀, 西田圭佑, 高橋豪, 下山裕太, 境家達弘, 木村純一, 舟越賢一, 肥後祐司 2011

[学会発表] MgOの308GPaまでの圧縮挙動

境毅, 西谷尚也, 大谷栄治, 平尾直久 2011

[学会発表] Compressional velocities of Fe3S at room temperature and high pressures using inelastic X-ray scattering

Seiji Kamada, Hiroshi Fukui, Eiji Ohtani, Takeshi Sakai, Hidenori Terasaki, Alfred Q.Baron, Yasuo Ohishi, Naohisa Hirao 2011

[学会発表] Mg, Si-bearing delta-AlOOH as a reserver of water in the lower mantle

Ohira I., Ohtani E., Sakai T., Miyahara M., Hirao N., Ohishi Y., Nishijima M. 2011

[雑誌論文] Equation of state of the NaCl-B2 phase up to 304GPa

Sakai T., Ohtani E., Hirao N., Ohishi Y. 2011

[学会発表] 火星隕石で発見されたオリビンのペロブスカイトとマグネシオブスタイトへの分解

宮原正明, 大谷栄治, 小澤信, 木村眞, El Goresy Ahmed, 境毅, 長瀬敏郎, 平賀賢二, 平尾直久, 大石泰生 2011

[学会発表] 高圧X線回折・エネルギードメイン放射光57鉄メスバウアー分光同時測定システムの開発

平尾直久, 大石泰生, 三井隆也, 松岡岳洋, 増田亮, 境毅, 大谷栄治 2011

[雑誌論文] Natural dissociation of olivine to (Me, Fe)SiO3 perovskite and magnesiowustite in a shocked Martian meteorite

Miyahra M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y. 2011

[学会発表] 下部マントルにおけるMgSiO3-ペロブスカイトとMg,Siを固溶するδ-AlOOHの共存関係

大平格, 大谷栄治, 境毅, 宮原正明, 平尾直久, 大石泰生, 西嶋雅彦 2011

[学会発表] The compression study of MgO up to 3Mbar

Takeshi Sakai, Naoya Nishitani, Eiji Ohtani, Naohisa Hirao 2011

[雑誌論文] Natural dissociation of olivine to (Mg, Fe)SiO3 perovskite and magnesiowustite in a shocked Martian meteorite

Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y. 2011

[学会発表] 温高圧下でのFe-Fe3S系の融解関係:地球核の温度構這への実験的制約を目指して

鎌田誠司, 寺崎英紀, 大谷栄治, 境毅 2011

[学会発表] Properties of the Iron-light element systems at high pressures and the composition and thermal state of the core

Ohtani E., Kamada S., Sakai T., Terasaki H., Baron A.Q., Fukui H. 2011

[学会発表] Fe-Sメルトの弾性波速度の圧力依存性

西田圭佑, 河野義生, 寺崎英紀, 高橋豪, 石井美帆, 下山裕太, 境家達弘, 肥後祐司, 舟越賢一, 大谷栄治, 入舩徹男 2011

[学会発表] Sound velocities of Fe3S at high pressures using inelastic X-ray scattering

Kamada S., Fukui H., Ohtani E., Sakai T., Shibazaki Y., Terasaki H., Baron A.Q.R., Ohishi Y., Hirao N. 2011

[雑誌論文] Phase stability and compression study of (Fe0.89, Ni0.11)3S up to pressure of the Earth's core

Sakai T., Ohtani E., Terasaki H., Kamada S., Hirao N., Miyahara M., Nishijima M. 2011

[学会発表] 月隕石のα-PbO2型シリカ及びスティショバイトのTEM観察

宮原正明, 金子詳平, 大谷栄治, 境毅, 長瀬敏郎, 平尾直久 2011

[学会発表] Sound velocities of Fe3S up to 85 GPa at room temperature using in elastic X-ray scattering

Kamada S., Fukui H., Ohtani E., Sakai T., Terasaki H., Shibazaki Y., Takahashi S., Baron Alfred Q.R., Ohishi Y. 2011

[学会発表] Sound velocity measurements of dhcp FeHx up to 70 GPa by inelastic X-ray scattering

Shibazaki Y., Ohtani E., Fukui H., Sakai T., Kamada S., Nishitani N., Takemura K., Ohishi Y., Baron A.Q.R. 2011

[学会発表] Phase relations density and sound velocity of Fe-Ni-Si alloys and composition of the inner core

Ohtani E., Sakai T., Kamada S., Fukui H., Shibazaki Y., Baron Alfred Q.R., Tsutsui S., Asanuma H. 2011

[学会発表] Melting and solid-melt partitioning in iron-light element systems under megabar conditions : Implications for the thermal state of the core

Eiji Ohtani, Seiji Kamada, Takeshi Sakai, Hidenori Terasaki, Hiromi Hayashi 2011

[学会発表] 火星隕石より発見されたオリビンの高圧分解組織

宮原正明, 大谷栄治, 小澤信, 木村眞, El Goresy Ahmed, 境毅, 長瀬敏郎, 平賀賢二, 平尾直久, 大石泰生 2011

[雑誌論文] Compression of Fe88.1Ni9.1S2.8 alloy up to the pressure of Earth's inner core

Sakai T., Ohtani E., Kamada S., Terasaki H., Hirao N. 2011

[学会発表] 超音波法を用いた高圧下におけるFe-Sメルトの弾性波速度測定技術の開発

西田圭佑, 河野義生, 寺崎英紀, 高橋豪, 石井美帆, 下山裕太, 境家達弘, 肥後祐司, 舟越賢一, 大谷栄治, 入舩徹男 2011

[学会発表] Temperature profile of the outer core based on X-ray diffraction of Fe-Fe3S and (Fe, N)-(Fe-Ni)3S system

Kamada S., Ohtani E., Terasaki H., Sakai T., Ohishi., Hirao N., Sata N. 2010

[学会発表] Melting temperature of Fe'FeS and (Fe, N)-(Fe, Ni)S system : Implication to temperature of Outer Core

Kamada S., Ohtani E., Terasaki H., Sakai T., Ohishi Y., Hirao N., Sata N. 2010

[学会発表] 内核相当圧力までのNaCl-B2状態方程式

境毅, 大谷栄治, 平尾直久, 大石泰夫 2010

[雑誌論文] Phase relationship of the Fe-FeS system in conditions up to the Earth's outer core

Kamada S., Terasaki H., Ohtani E., Sakai T., Kikegawa T., Ohishi Y., Hirao N., Sata N., Kondo T. 2010

[学会発表] X線非弾性散乱による高圧下でのFeNiSi合金の音速測定

大谷栄治, 境毅, 鎌田誠司, 村上元彦, 福井宏之, Baron Alfred 2010

[雑誌論文] Fe-Mg partitioning between post-perovskite and ferropericlase in the lowermost mantle

Sakai T., Ohtani E., Terasaki H., Miyahara M., Nishijima M., Hirao N., Ohishi Y., Sata N. 2010

[雑誌論文] Melting of Iron-silicon alloy up to the core-mantle boundary pressure : implications to the thermal structure of the Earth's core

Asanuma H., Ohtani E., Sakai T., Terasaki H., Kamada S., Kondo T., Kikegawa T. 2010

[学会発表] Melting experiments of MORB under the deep mantle conditions

Nishitani N., Ohtani E., Sakai T., Murakami M. 2010

[雑誌論文] Partitioning of oxygen between the Earth's mantle and core

Frost DJ., Asahara Y., Rubie DC., Miyajima N., Dubrovinsky LS., Holzapfel C., Ohtani E., Miyahara M., Sakai T. 2010

[学会発表] Melting and phase relations of Fe(Ni)-Si systems to the Earth's core conditions, and their applications to the core

Ohtani E., Sakai T., Kamada S., Shibazaki Y., Kobayashi K., Asanuma H., Hirao N. 2010

[学会発表] 中央海嶺玄武岩を用いた高温高圧X線その場観察実験

西谷尚也, 大谷栄治, 境毅, 村上元彦 2010

[学会発表] Sound velocity of Fe_<0.83>Ni_<0.09>Si_<0.08>alloy to core pressures

Ohtani E., Sakai T, Kamada S., Murakami M., Fukui H, Baron A. 2010

[学会発表] Phase stability of subsolidus phases in Fe-Ni-S system at the core pressure

Sakai T., Ohtani E., Terasaki H., Kamada S., Hirao N., Sata E., Ohishi Y. 2010

[学会発表] Study of melting phenomena under the deep mantle conditions

Nishitani N., Ohtani E., Sakai T., Murakami M. 2010

[雑誌論文] First evidence for natural dissociation of olivine to silicate-perovskite and magnesiowustite in a shocked Martian meteorite DAG 735

Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T.Nagase T., Hiraga K., Hirao N., Ohishi Y. 2010

[学会発表] Compression of Fe-Ni-S alloy up to the pressure of the center of the Earth

Sakai T, Ohtani E., Terasaki H., Kamada S., Hirao N., Sata N., Ohishi Y. 2010

[学会発表] Melting relation of Fe-O-S alloy up to the outer core pressure : Implication to temperature of the Earth's core

Terasaki H., Kamada S., Sakai T., Ohtani E., Hirao N., Sata N., Ohishi Y. 2010

[学会発表] 核の圧力における金属鉄および鉄ニッケルケイ素合金の音速測定

大谷栄治, 境毅, 福井宏, 鎌田誠司, 村上元彦, バロンアルフレッド 2010

[学会発表] 地球外核条件までのFe-FeS系,(Fe,Ni)-(Fe,Ni)S系の融解関係

鎌田誠司, 大谷栄治, 寺崎英紀, 境毅, 平尾直久, 大石泰生 2010

研究成果