トップ›研究者を探す›第一原理シミュレーションによるカルシウム珪酸塩ペロヴスカイトの高温高圧弾性研究

第一原理シミュレーションによるカルシウム珪酸塩ペロヴスカイトの高温高圧弾性研究

KAKEN 科学研究費助成事業データベース で見る
研究課題番号 KAKENHI-PROJECT-21740379
研究種目 若手研究(B)
研究分野 理工系
数物系科学
地球惑星科学
岩石・鉱物・鉱床学
研究機関 愛媛大学
代表研究者 土屋 卓久
研究期間 開始年月日 2009/4/1
研究期間 終了年度 2010
研究ステータス 完了 (2010/4/1)
配分額（合計） 4,420,000 (直接経費 :3,400,000、間接経費 :1,020,000)
配分額（履歴） 2010年度：2,080,000 (直接経費 :1,600,000、間接経費 :480,000)
2009年度：2,340,000 (直接経費 :1,800,000、間接経費 :540,000)
キーワード 地球・惑星内部構造
地殻・マントル物質
第一原理計算
第一原理分子動力学法
高圧構造相転移
ペロヴスカイト
地球・星内部構造

研究成果

[雑誌論文] Prediction of a hexagonal SiO2 phase affecting stabilities of MgSiO3 and CaSiO3 at multimegabar pressures

T.Tsuchiya, J.Tsuchiya 2011

[学会発表] Insight on subducted MORB from new elasticities of Ca-Pv and MgAl-CF

土屋卓久 2011

[学会発表] Multimegabar phase relations of Earth and planetary materials

土屋卓久 2011

[雑誌論文] Prediction of a hexagonal SiO_2 phase affecting stabilities of MgSiO_3 and CaSiO_3 at multimegabar pressures

Taku Tsuchiya 2011

[学会発表] Prediction of a new hexagonal phase of SiO_2

土屋卓久 2011

[雑誌論文] 地球惑星物質の高圧構造研究最前線

土屋卓久 2011

[学会発表] Multimegabar phase relations of Earth and planetary materials.

T.Tsuchiya 2011

[雑誌論文] First principles prediction of a high-pressure hydrous phase of AlOOH

Jun Tsuchiya 2011

[学会発表] Fe distribution between (post-)perovskite and ferropericlase

Taku Tsuchiya 2010

[学会発表] Elasticity of serpentine : first principles investigation

Jun Tsuchiya 2010

[学会発表] Toward mineralogical interpretation of LLVSP : High-P,T elasticity of deep mantle materials

Jun Tsuchiya 2010

[学会発表] A novel dense phase of silica initiating silicates breakdown in giant terrestrial planets

Taku Tsuchiya 2010

[学会発表] Ab initio modeling of thermal chemical properties of the core-mantle boundary region.

T.Tsuchiya, K.Kawai 2010

[学会発表] A novel dense phase of silica initiating silicates breakdown in giant terrestrial planets.

T.Tsuchiya, J.Tsuchiya 2010

[学会発表] Temperature profile in the lowermost mantle from seismological and mineral physics joint modeling.

K.Kawai, T.Tsuchiya 2010

[学会発表] A new dense phase o silica initiating silicates breakdown in giant terrestrial planets

Taku Tsuchiya 2010

[雑誌論文] Ab initio investigation of high-pressure phase relation and elasticity in the NaAlSi2O6 system.

K.Kawai, T.Tsuchiya 2010

[学会発表] Elastic softening of lizardite under pressure

土屋旬 2010

[学会発表] A new dense phase of silica initiating silicates breakdown in super-Earths

土屋卓久 2010

[学会発表] Ab initio modeling of thermal chemical properties of the core-mantle boundary region

Taku Tsuchiya 2010

[雑誌論文] Ab initio two-phase molecular dynamics on the melting curve of SiO2.

Y.Usui, T.Tsuchiya 2010

[学会発表] A new dense phase of silica initiating silicates breakdown in giant terrestrial planets

Taku Tsuchiya 2010

[学会発表] A new dense phase of silica initiating silicates breakdown in giant terrestrial planets.

T.Tsuchiya, J.Tsuchiya 2010

[学会発表] Ab initio modeling of the deep mantle heterogeneity

Taku Tsuchiya 2010

[学会発表] Ab initio modeling of the deep mantle heterogeneity.

T.Tsuchiya 2010

[雑誌論文] Elastic, vibrational and thermodynamic properties of MgGeO3 postperovskite investigated by first principles simulation.

Y.Usui, J.Tsuchiya, T.Tsuchiya 2010

[学会発表] Elasticity of serpentine : first principles investigation

土屋旬 2010

[学会発表] MOOH (M=Al, Ga, In)高圧相の第一原理電子状態計算

土屋旬 2009

[学会発表] Ab initio assessment of high-P,T thermodynamics in multi-component mineral systems : Application to postperovskit phase equilibria in the MgSiO_3-Al_2O_3 system

Taku Tsuchiya 2009

[学会発表] New high-pressure phase in Fe_2O_3

Taku Tsuchiya 2009

[雑誌論文] Temperature profile in the lowermost mantle from seismological and mineral physics joint modeling.

K.Kawai, T.Tsuchiya 2009

[学会発表] Elastic and vibrational properties of high pressure ice polymorphs

Jun Tsuchiya 2009

[学会発表] Ab initio assessment of high-P,T postperovskite phase equilibria in the MgSiO3-Al2O3 pseudo binary system

J.Tsuchiya, T.Tsuchiya 2009

[学会発表] Ab initio assessment of high-P,T thermodynamics in multi-component mineral systems: Application to postperovskite phase equilibria in the MgSiO3-Al2O3 system

T.Tsuchiya, J.Tsuchiya 2009

[学会発表] Perovskite and perovskite phase relatin in the MgSiO_3-Al_2O_3 system (招待講演)

土屋旬 2009

[雑誌論文] Lost primordial continents.

K.Kawai, T.Tsuchiya, J.Tsuchiya, S.Maruyama 2009

[学会発表] Ab initio assessment of high-P,T thermodynamics in multi-component mineral systems : Application to postperovskit phase equilibria in the MgSiO_3-Al_2O_3 system(招待講演)

Taku Tsuchiya 2009

[雑誌論文] Effects of Si on the elastic property of Fe at Erath's inner core pressures : First principles study

Taku Tsuchiya 2009

[学会発表] 多成分鉱物系高温高圧相平衡の第一原理計算:MgSiO_3-Al_2O_3系ポストペロウスカイト相平衡への応用

土屋卓久 2009

[学会発表] Ab initio assessment of high-P,T thermodynamics in multi-component mineral systems : Application to postperovskit phase equilibria in the MgSiO_3-Al_2O_3 system(招待講演)

Taku Tsuchiya 2009

[雑誌論文] Elastic properties of δ-ALOOH under pressure : first principles investigation

Jun Tsuchiya 2009

[学会発表] Elasticity of serpentine : first principles investigation

Jun Tsuchiya 2009

[学会発表] First-principles investigations on the elastic and vibrational properties of hydrous wadsleyite under pressure on the elastic properties of hydrous minerals under pressure

Jun Tsuchiya 2009

[学会発表] First-principles investigations on the elastic and vibrational properties of hydrous wadsleyite under pressure

Jun Tsuchiya 2009

[学会発表] Ab initio assessment of high-P,T thermodynamics in multi-component mineral systems: Application to postperovskite phase equilibria in the MgSiO3-Al2O3 system.

T.Tsuchiya, J.Tsuchiya 2009

[学会発表] Ab initio assessment of high-P,T postperovskite phase equilibria in the MgSiO_3-Al_2O_3 pseudo binary system(招待講演)

Jun Tsuchiya 2009

[学会発表] First-principles investigation on hydrogen diffusivity in hydrous wadsleyite under high pressure

土屋旬 2009