トップ›研究者を探す›下部マントル条件におけるカルシウム珪酸塩ペロヴスカイトの第一原理シミュレーション

下部マントル条件におけるカルシウム珪酸塩ペロヴスカイトの第一原理シミュレーション

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-19740331
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 2007/4/1
研究期間 終了年度 2008
研究ステータス 完了 (2008/4/1)
配分額（合計） 2,990,000 (直接経費 :2,600,000、間接経費 :390,000)
配分額（履歴） 2008年度：1,690,000 (直接経費 :1,300,000、間接経費 :390,000)
2007年度：1,300,000 (直接経費 :1,300,000)
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
地球惑星内部構造

研究成果

[学会発表] Ab initio assessment of high-P,T phase equilibria in multi-component mineral systems文部科学省「最先端・高性能汎用スーパーコンピュータの開発利用」プロジェクト

土屋卓久,土屋旬 2009

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

Taku Tsuchiya 2009

[雑誌論文] Elastic properties of 8-AIOOH under pressure: first principles investigation

Jun Tsuchiya 2009

[雑誌論文] First-principles investigation of the structural and elastic properties of hydrous wadsleyite under pressure

J. Tsuchiya and T. Tsuchiya 2009

[学会発表] 高圧下結晶構造探索のための新アルゴリズム:Free Energy Surface Trekking, 文部科学省「最先端・高性能汎用スーパーコンピュータの開発利用」プロジェクト

石河孝洋,土屋旬,土屋卓久 2009

[雑誌論文] Unified analyses for P-V-T equation of state of MgO : A solution for pressure-scale problems in High P-T experiments,

Y. Tange, Y. Nishihara and T. Tsuchiya, 2009

[学会発表] Ab initio assessment of high-P,T phase equilibria in multicomponent mineral systems

土屋卓久 2009

[雑誌論文] First-principles investigation of the structural and elastic properties o: hydrous wadsleyite under pressure

Jun Tsuchiya 2009

[学会発表] Perovskite and post perovskite phase relation in the MgSiO3-Al2O3 system

J. Tsuchiya and T. Tsuchiya 2008

[学会発表] Dynamical effect of the spin transition: A numerical simulation study

土屋卓久 2008

[学会発表] Effects of hydrogen bond symmetrization on elastic properties of high pressure polymorphs of ice: first principles investigation

J. Tsuchiya and T. Tsuchiya 2008

[雑誌論文] Post-perovskite phase equilibria in the MgSiO_3-Al20_3 system

Jun Tsuchiya 2008

[学会発表] The role of ab-initio computations in Earth structure

T. Tsuchiya 2008

[雑誌論文] Spin transition of iron in the Earth's lower mantle

J.-F. Lin and T. Tsuchiya 2008

[雑誌論文] First principles prediction of the new high pressure phase of InOOH

J. Tsuchiya, T. Tsuchiya, A. Sano and E. Ohtani 2008

[学会発表] Perovskite and post perovskite phase relation in the MgSiO3-Al2O3 system

J. Tsuchiya and T. Tsuchiya 2008

[学会発表] Perovskite and post perovskite phase relation in the MgSiO_3-Al_2O_3 system

土屋旬 2008

[学会発表] High pressure polymorphism of Al+Hbearing SiO2: ab initio investigation

土屋旬 2008

[雑誌論文] Spin transition of iron in the Earth's lower mantle

J.-F. Lin and T. Tsuchiya 2008

[学会発表] The role of abinitio computations in Earth structure

Taku Tsuchiya 2008

[雑誌論文] Vibrational properties of δ-AlOOH under pressure

J. Tsuchiya, T. Tsuchiya and R. M. Wentzcovitch 2008

[学会発表] 圧力誘起スピン転移の動的性質が弾性特性に与える影響について

土屋卓久,土屋旬 2008

[学会発表] Effects of hydrogen bond symmetrization on elastic properties of high pressure polymorphs of ice : first principles investigation

J. Tsuchiya and T. Tsuchiya 2008

[雑誌論文] Elastic properties of phase D (MgSi2O6H6) under pressure

J. Tsuchiya and T. Tsuchiya 2008

[学会発表] Unified analyses for P-V-T equation of state of MgO : A solution for pressure-scale problems in High P-T experiments

Y. Tange, Y. Nishihara and T. Tsuchiya 2008

[雑誌論文] Elastic properties of phase D (MgSi_2O_6H_6) under pressure

Jun Tsuchiya 2008

[雑誌論文] Rh2O3(II)-type structures in Ga2O3 and In2O3 under high pressure

H. Yusa, T. Tsuchiya, N. Sata and Y. Ohishi 2008

[雑誌論文] α-Gd2S3 type structure in In2O3 : Experiments and theoretical confirmation of a new high-pressure polymorph in sesquioxide

H. Yusa, T. Tsuchiya, J. Tsuchiya, N. Sata and Y. Ohishi 2008

[図書] Post-Perovskite : The Last Mantle Phase Transition

R. M. Wentzcovitch、K. Umemoto, T. Tsuchiya, and J. Tsuchiya 2008

[学会発表] Dynamical effects of ionic size fluctuation : Ab initio and numerical simulations study

T. Tsuchiya and J. Tsuchiya 2008

[雑誌論文] First principles prediction of new high pressure phase of InOOH

Jun Tsuchiya 2008

[学会発表] Perovskite and post perovskite phase relation in the MgSiO_3-Al2O_3 system

Jun Tsuchiya 2008

[学会発表] Post-perovskite phase equilibria in the MgsiO_3-Al_2O_3 system

土屋卓久 2008

[学会発表] Dynamical effects of ionic size fluctuation: Ab initio and numerical simulations study

Taku Tsuchiya 2008

[学会発表] 580GPaまでの金のウゴニオ測定と圧力スケールの検討

横尾 学, 川合伸明, 中村一隆, 近藤建一, 土屋卓久 2008

[雑誌論文] Vibrational properties of δ-AlOOH under pressure

J. Tsuchiya, T. Tsuchiya and R. M. Wentzcovitch 2008

[雑誌論文] Post-perovskite phase equilibria in the MgSiO3-Al2O3 system

J. Tsuchiya and T. Tsuchiya 2008

[学会発表] First principles study on elastic, thermodynamic and vibrational properties of MgGeO3 post-perovskite

Y. Usui, T. Tsuchiya and J. Tsuchiya 2008

[雑誌論文] Rh_20_3(II)-type structures in Ga_20_3 and In_20_3 under high pressure

H. Yusa, T. Tsuchiya, N. Sata and Y. Ohishi 2008

[学会発表] High pressure polymorphism of Al+Hbearing SiO_2: ab initio investigation

土屋旬 2008

[雑誌論文] First principles prediction of new high pressure phase of InOOH

J. Tsuchiya, T. Tsuchiya, A. Sano and E. Ohtani 2008

[学会発表] 固体の(R,V,T,x)相平衡の第一原理予測(MgsiO_3-Al_2O_3系)

土屋卓久 2008

[学会発表] Effects of hydrogen bond symmetrization on the elastic properties of higl pressure polymorphs of ice: ab initio investigation

土屋旬 2008

[学会発表] Perovskite and post perovskite phase relation in the MgSiO_3-Al2O_3 system

土屋旬 2008

[学会発表] First principles studies of hydrous wadsleyite under high pressure

土屋旬 2008

[学会発表] 高圧下における含水鉱物の水素結合対称化と弾性定数変化

土屋 旬, 土屋卓久 2007

[学会発表] Dynamical effect of the spin transition: A numerical simulation study

T. Tsuchiya and J. Tsuchiya 2007

[学会発表] Vibrational and elastic properties of δ-AlOOH and phase D

J. Tsuchiya and T. Tsuchiya 2007

[雑誌論文] Structure and elasticity of Cmcm CaIrO3 and their pressure dependences : Ab initio calculations

T. Tsuchiya and J. Tsuchiya 2007

[図書] Post-Perovskite : The Last Mantle Phase Transition (AGU Geophysical Monograph Series 174

R. M. Wentzcovitch, K. Umemoto, T. Tsuchiya and J. Tsuchiya 2007

[雑誌論文] Post-Rh2O3(II) transition and the high pressure-temperature phase diagram of gallia : A first-principles and x-ray diffraction study

T. Tsuchiya, H. Yusa and J. Tsuchiya 2007

[学会発表] Effects of Si on the crystal structure and elastic property of Fe at Earth's inner core pressures

M. Fujibuchi and T. Tsuchiya 2007

[学会発表] First principles studies of hydrous minerals under high pressure

J. Tsuchiya and T. Tsuchiya 2007

[学会発表] Effects of Si on the crystal structure and elastic property of Fe at Earth's inner core pressures

藤渕美香, 土屋卓久 2007

[学会発表] Meltin relation in the MgO-MgSiO_3 system at lower mantle pressures

村上さやか, 土屋卓久 2007

[学会発表] 第一原理電子状態計算によるδ-AlOOHの高圧相の探索

土屋 旬, 土屋卓久, 佐野亜沙美, 大谷栄治 2007

[図書] eds. D.A. Yuen, S. Maruyama, S. Karato, B.F. Windley, Springer, Dordrecht

T. Tsuchiya, J. Tsuchiya and R. M. Wentzcovitch 2007

[学会発表] Effects of Si on the crystal structure and elastic property of Fe at Earth's inner core pressures

M. Fujibuchi and T. Tsuchiya 2007

[学会発表] Effects of Si on the crystal structure and elastic property of Fe at Earth's inner core pressures

M. Fujibuchiand T. Tsuchiya 2007

[学会発表] Ab initio modeling of seismic velocity structure of deep mantle

T. Tsuchiya and J. Tsuchiya 2007

[学会発表] Post-corundum phases in Ga2O3 and In2O3 : X-ray diffraction experiments and theoretical computations

H. Yusa, T. Tsuchiya, N. Sata and Y. Ohishi 2007

[学会発表] Effect of spin transition on the elasticity of magnesiowustite

T. Tsuchiya, C. da Silva, R. M. Wentzcovitch, and S. de Gironcoli 2007

[学会発表] Effects of Fe on the elasticity of lower mantle phases

土屋卓久, 土屋 旬 2007

[学会発表] 地球内核圧力下における鉄の結晶構造と弾性に対するシリコンの固溶効果

藤渕美香, 土屋卓久 2007

[図書] Superplumes : Beyond Plate Tectonics

T. Tsuchiya, J. Tsuchiya, and R. M. Wentzcovitch 2007

[図書] Treatise on Geophysics

T. Irifune and T. Tsuchiya 2007

[雑誌論文] Post-Rh_20_3(II) transition and the high pressure-temperature phase diagram of gallia: A first-principles and x-ray diffraction study

T. Tsuchiya, H. Yusa and J. Tsuchiya 2007

[学会発表] Effects of hydrogen bond symmmetrization on elastic properties of high pressure polymorphs of ice: first principles investigation

土屋旬, 土屋卓久 2007

[雑誌論文] High-pressure-temperature phase relations of MgGeO_3: first-princlples calculations

T. Tsuchiya and J. Tsuchiya 2007

[学会発表] Ga_2O_3,In_2O_3のポストコランダム相転移:計算と実験による検証

遊佐 斉, 土屋卓久, 佐多永吉, 大石泰生 2007

[学会発表] A_20_3(A=Ga,In)におけるポストコランダム構造について

遊佐 斉, 土屋卓久, 佐多永吉, 大石泰生 2007

[学会発表] Ab initio modeling of iron partitioning and acoustic velocities of the lower mantle phases

T. Tsuchiya, J. Tsuchiya and T. Terawaki 2007

[学会発表] 地球内核圧力におけるFeの安定結晶構造と弾性に対するSiの固溶効果

藤渕美香, 土屋卓久 2007

[雑誌論文] High-pressure-high-temperature phase relations of MgGeO3 : First-principles calculations

T. Tsuchiya and J. Tsuchiya 2007

[学会発表] High-to-low spin transition in magnesiowustite under pressure

T. Tsuchiya, C. da Silva, R. M. Wentzcovitch and S. de Gironcoli 2007

[図書] Treatise on Geophysics, vol.2

T. Irifune and T. Tsuchiya 2007

[学会発表] Post-corundum phasses in Ga_2O_3 and In_2O_3: X-ray diffraction experiments and theoretical computations

H. Yhsa, T. Tsuchiya, N. Sata, Y. Ohishi 2007

[学会発表] High-to-low spin transition in magnesiowustite under pressure

T.Tsuchiya, C. da Silva, R. M. Wentzcovitch, and S. de Gironcoli 2007

[学会発表] 下部マントル鉱物における鉄スピン転移の理論モデル

土屋卓久 2007

[学会発表] Dynamical effect of the spin transition: A numerical simulation study

T.Tsuchiya and J. Tsuchiya 2007

[雑誌論文] Structure and elasticity of Cmcm CaIrO_3 and their pressure dependences: Abinitio calculations

T. Tsuchiya and J. Tsuchiya and J. Tsuchiya 2007

[学会発表] 下部マントル鉱物中の鉄の圧力誘起スピン転移と弾性特性への影響について

土屋卓, 土屋 旬 2007

[学会発表] Ab initio modeling of seismic velocity structure of deep mantle

T. Tsuchiya and J. Tsuchiya 2007

[学会発表] Effects of Si on the crystalstructure and elastic property of Fe at Earth's inner core pressures

M. Fujibuchi and T. Tsuchiya 2007

[学会発表] Elasticity of Cmcm CaIrO_3

土屋卓久, 土屋 旬 2007

[学会発表] 地球下部マントル圧力下におけるMgO-MgSiO_3系の融解条件

村上さやか, 土屋卓久 2007

[学会発表] Vibrational and elastic properties of δ-AlOOH and phase D

J. Tsuchiya and T. Tsuchiya 2007

[学会発表] 含水wadsleyiteの第一原理電子状態計算

土屋 旬, 土屋卓久 2007

[学会発表] 下部マントル鉱物における鉄スピン転移の理論モデル

土屋卓久 2007

[学会発表] Effect of impurity on the seismic velocities of perovskite and postperovskite

土屋卓久, 土屋 旬 2007

[学会発表] Vibrational and elastic properties of δ-AlOOH and phass D

J. Tsuchiya and T. Tsuchiya 2007

[学会発表] First principles studies of hydrous minerals under high pressure

J. Tsuchiya and T. Tsuchiya 2007