トップ›研究者を探す›沈み込んだ地殻物質の高温高圧弾性特性と下部マントルの化学不均質の解明

沈み込んだ地殻物質の高温高圧弾性特性と下部マントルの化学不均質の解明

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-23540560
研究種目 基盤研究(C)
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 2011/4/1
研究期間 終了年度 2013
研究ステータス 完了 (2013/4/1)
配分額（合計） 5,070,000 (直接経費 :3,900,000、間接経費 :1,170,000)
配分額（履歴） 2013年度：1,040,000 (直接経費 :800,000、間接経費 :240,000)
2012年度：1,820,000 (直接経費 :1,400,000、間接経費 :420,000)
2011年度：2,210,000 (直接経費 :1,700,000、間接経費 :510,000)
キーワード 第一原理電子状態計算
沈み込んだ地殻物質
下部マントルの不均質性
高圧相転移
地震波速度
マントルの不均質性
マントルの進化

研究成果

[学会発表] Thermodynamic properties of Mg-postperovskite with Fe^3+ and Al^3+ dopant: an internally consistent LSDA+U study

X. Wang and T . Tsuchiya 2014

[学会発表] 立方晶カルシウムペロブスカイトの小さな剛性率

河合研志, 土屋卓久 2014

[学会発表] A pyrolitic lower mantle with (Mg, Fe^3+ )(Si, Al^3+ )O_3 perovskite

X. Wang and T. Tsuchiya 2014

[学会発表] 第2大陸の役割

河合研志, 市川浩樹, 山本伸次, 土屋卓久, 丸山茂徳 2014

[学会発表] Where had the primordial continent gone?

丸山茂徳, 河合研志, 土屋卓久 2014

[雑誌論文] The P-V-T equation of state and thermodynamic properties of liquid iron

H. Ichikawa, T. Tsuchiya, and Y. Tange 2014

[図書] Physics and Chemistry of the Deep Earth

T. Tsuchiya, 他 2013

[雑誌論文] Ab initio lattice thermal conductivity of MgSiO3 perovskite as found in Earth's lower mantle

H. Dekura, T. Tsuchiya, and J. Tsuchiya 2013

[図書] 地球の物理学辞典

本田了,　歌田久司,　大久保修平,　栗田敬,　土屋卓久,　中井俊一,　平賀岳彦,　宮武隆,　吉澤和範 2013

[雑誌論文] Expanding-contracting Earth

T. Tsuchiya, K. Kawai, and S. Maruyama 2013

[学会発表] Investigation on thermodynamic properties of Fe- and Al-bearing MgSiO_3 perovskite : an internally consistent LSDA+U study

X. Wang and T . Tsuchiya 2013

[雑誌論文] The second continent: Existence of granitic continental materials around the bottom of the mantle transition zone

K. Kawai, S. Yamamoto, T. Tsuchiya, and S. Maruyama 2013

[雑誌論文] Shear response of Fe-bearing MgSiO_3 post-perovskite at lower mantle pressures

Metsue, A., and Tsuchiya, T. 2013

[学会発表] Thermodynamic properties of Fe- and Al-bearing MgSiO_3 perovskite : an internally consistent LSDA+U study

T. Tsuchiya and X. Wang 2013

[学会発表] nvestigations on thermodynamic properties of Fe- and Al-bearing MgSiO_3 perovskite: An internally consistent LSDA+U study

X. Wang and T. Tsuchiya 2013

[図書] 地球の物理学事典

土屋卓久, 他 2013

[学会発表] 膨張収縮地球

土屋卓久, 河合研志, 丸山茂徳 2013

[雑誌論文] High-pressure, high-temperature deformation of CaGeO3 (perovskite)±MgO aggregates: implications for multi-phase rheology of the lower mantle

Y. Wang, N. Hilairet, N. Nishiyama, N. Yahata, T. Tsuchiya, G. Morard, and G. Fiquet 2013

[学会発表] Supercontinent cycle and 2nd continents

K. Kawai, H. Ichikawa, S. Yamamoto, T . Tsuchiya, and S. Maruyama 2013

[図書] Ab initio mineralogical model of the Earth's lower mantle. In Physics and Chemistry of the Deep Earth

T. Tsuchiya and K. Kawai 2013

[雑誌論文] Ab initio investigation on the high-temperature thermodynamic properties of Fe^3+ -bearing MgSiO_3 perovskite

Tsuchiya, T., and Wang, X. 2013

[学会発表] Three layers model of continents and whole mantle dynamics

河合研志, 土屋卓久, 土屋 旬, 丸山茂徳 2013

[雑誌論文] First principles study on the high-pressure phase transition and elasticity of KAlSi3O8 hollandite

K. Kawai and T. Tsuchiya 2013

[学会発表] Ab initio computation on the Fe L-edge X-ray emission spectroscopy of Fe-bearing MgSiO_3

X. Wang and T. Tsuchiya 2013

[雑誌論文] 第一原理計算による地球惑星物理学

土屋卓久 2013

[学会発表] Ab initio mineral physics for Earth and planetary interior

T. Tsuchiya 2013

[雑誌論文] Shear response of Fe-bearing MgSiO<sub>3</sub> post-perovskite at lower mantle pressures

A. Metsue and T. Tsuchiya 2013

[雑誌論文] Ab initio investigation on the high-temperature thermodynamic properties of Fe3+-bearing MgSiO3 perovskite

T. Tsuchiya and X. Wang 2013

[学会発表] Theoretical modeling for the X-ray spectroscopy of iron-bearing MgSiO_3 under high pressure. American Geophysical Union

X. Wang and T. Tsuchiya 2012

[学会発表] Spin crossover and thermodynamic properties of ferric Fe-bearing MgSiO_3 perovskite at lower mantle P-Tconditions

A. Metsue and T. Tsuchiya 2012

[学会発表] Predictions of the shear response of Fe-bearing MgSiO3 post-perovskite

A. Metsue, T. Tsuchiya 2012

[雑誌論文] Phase stability and elastic properties of the NAL and CF phases in the NaMg_2Al_5SiO_12 system from first principles

K. Kawai and T. Tsuchiya 2012

[学会発表] 摂動論的手法からの鉱物の格子熱伝導率の第一原理計算

出倉春彦, 土屋卓久, 土屋　旬 2012

[雑誌論文] Thermodynamic properties of (Mg, Fe^2+ )SiO_3 perovskite at the lower mantle pressures and temperatures : An internally consistent LSDA+U study

Metsue, A., and Tsuchiya, T. 2012

[学会発表] 地球外核条件における液体鉄の状態方程式と熱力学・輸送特性

丹下慶範, 土屋卓久, 市川浩樹 2012

[学会発表] Predictions of the shear response of Fe-bearing MgSiO3 post-perovskite at lowermost mantle pressures

A. Metsue and T. Tsuchiya 2012

[学会発表] The second continent model

河合研志, 山本伸次, 土屋卓久, 市川浩樹, 丸山茂徳 2012

[学会発表] Three-layers model of continent and whole mantle dynamics through time

丸山茂徳, 河合研志, 土屋卓久, 土屋旬 2012

[学会発表] MgSiO3ペロブスカイト及びポストペロブスカイトの第一原理格子熱伝導率計算

出倉春彦, 土屋卓久, 土屋旬 2012

[学会発表] Theoretical modeling for the X-ray spectroscopy of iron-bearing MgSiO3 under high pressure

X. Wang and T. Tsuchiya 2012

[学会発表] Ab initio study on the densest phase of silica

T. Tsuchiya 2012

[雑誌論文] Lattice dynamics calculations for ferropericlase with internally consistent LDA+U method

H. Fukui, T. Tsuchiya, and A. Q. R. Baron 2012

[学会発表] Ab initio calculations on the lattice thermal conductivity of MgSiO3 perovskite and post-perovskite

H. Dekura, T. Tsuchiya, and J. Tsuchiya 2012

[学会発表] Effects of Fe^3+ incorporation on thermodynamic property of MgSiO3 perovskite

T. Tsuchiya and X. Wang 2012

[学会発表] 第一原理電子状態計算法によるリザーダイトの弾性異常

土屋旬, 土屋卓久 2012

[学会発表] The second continent model

河合研志, 山本伸次, 土屋卓久, 市川浩樹, 丸山 茂徳 2012

[雑誌論文] Ab initio investigation on the elasticity of ultrahigh-pressure phases of SiO2

A. Metsue and T. Tsuchiya 2012

[学会発表] Ab initio thermal conductivity model of the Earth's lower mantle

T. Tsuchiya, H. Dekura, and J. Tsuchiya 2012

[学会発表] First-principles investigation on the structure and elasticity of serpentine

J. Tsuchiya and T. Tsuchiya 2012

[学会発表] Possible pentacoordinate silicon in the high pressure CAS phase CaAl4Si2O11: A first principles ab initio study

L. Gautron, T. Tsuchiya, J. Tsuchiya, and S. Greaux 2012

[学会発表] MgSiO3ペロブスカイト&ポストベロブスカイト構造の第一原理格子熱伝導率計算 -核-マントル境界における熱流量の推定-

出倉春彦, 土屋卓久, 土屋旬 2012

[学会発表] Effects of Fe3+ incorporation on thermodynamic property of MgSiO3 perovskite

T. Tsuchiya and X. Wang 2012

[学会発表] 第一原理計算による地球惑星物理学

土屋卓久 2012

[雑誌論文] Elasticity of subducted basaltic crust at the lower mantle pressures : Insights on the nature of deep mantle heterogeneity

T. Tsuchiya 2012

[学会発表] Theoretical and experimental evidence of the densest form of titanium dioxide

H. Dekura, T. Tsuchiya, Y. Kuwayama, and J. Tsuchiya 2012

[学会発表] X-ray spectral analysis of iron in lower mantle minerals: A theoretical investigation

X. Wang and T. Tsuchiya 2012

[学会発表] Spin crossover and thermodynamic properties of ferric Fe-bearing MgSiO3 perovskite at lower mantle P-T conditions

A. Metsue and T. Tsuchiya 2012

[学会発表] X-ray spectral analysis of iron in lower mantle minerals: A theoretical investigation

X. Wang and T. Tsuchiya 2012

[学会発表] 高圧下における蛇紋岩鉱物の偏向異方性

土屋旬, 土屋卓久 2012

[学会発表] Three-layers model of continent and whole mantle dynamics through time

丸山茂徳, 河合研志, 土屋卓久, 土屋旬 2012

[雑誌論文] Thermodynamic properties of (Mg,Fe2+)SiO3 perovskite at the lower mantle pressures and temperatures: An internally consistent LSDA+U study

A. Metsue and T. Tsuchiya 2012

[学会発表] 第一原理二相MDシミュレーションによるSiO2の高圧融解曲線の決定及びメルトの構造、輸送特性について

臼井佑介, 土屋卓久 2011

[学会発表] Ab-initio simulation for deep inner core of planets

T. Tsuchiya 2011

[学会発表] マントル深部鉱物の第一原理格子熱伝導計算

出倉春彦, 土屋卓久, 土屋　旬 2011

[雑誌論文] Lattice dynamics and thermodynamic properties of (Mg,Fe2+)SiO3 postperovskite

A. Metsue and T. Tsuchiya 2011

[学会発表] Rheology of two-phase composites: implications for flow properties of the lower mantle

Y. Wang, N. Nishiyama, N. Hilairet, G. Fiquet, N. Yahata, T. Tsuchiya 2011

[学会発表] Continental materials around the bottom of the mantle transition zone

K. Kawai, S. Yamamoto, H. Ichikawa, T. Tsuchiya, and S. Maruyama 2011

[学会発表] 第一原理格子動力学によるフェロペリクレイスの熱力学量

福井宏之, 土屋卓久 2011

[学会発表] Continental materials around the bottom of the mantle transition zone

K. Kawai, S. Yamamoto, H. Ichikawa, T. Tsuchiya, S. Maruyama 2011

[学会発表] Observations of seismic anisotropy above/below D" discontinuity and its mineral physics interpretation

Y. Usui, T. Tsuchiya 2011

[学会発表] Lattice dynamics and thermodynamics of Fe-bearing MgSiO_3 perovskite and post-perovskite. American Geophysics Union

A. Metsue and T. Tsuchiya 2011

[学会発表] 高温高圧下におけるMgOの第一原理格子熱伝導率計算

出倉春彦, 土屋卓久, 土屋　旬 2011

[学会発表] Influence of iron on the plastic properties of MgSiO3 post-perovskite: a first-principle study

A.Metsue, T. Tsuchiya 2011

[学会発表] マントル深部へ沈み込む大陸地殻の量の推定

市川浩樹, 河合研志, 亀山真典, 土屋卓久 2011

[学会発表] Lattice dynamics and thermodynamics of Fe-bearing MgSiO3 perovskite and post-perovskite

A. Metsue, T. Tsuchiya 2011

[学会発表] 第2大陸

河合研志, 山本伸次, 土屋卓久, 丸山茂徳 2011

[学会発表] Ab initio study in geoscience

T. Tsuchiya 2011

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

T. Tsuchiya, H. Dekura, Y. Kuwayama, J. Tsuchiya 2011

[学会発表] Insight on lower mantle heterogeneity from ab initio high-pressure elasticity of subducted crustal materials

T. Tsuchiya 2011

[学会発表] Ab initio study on lattice thermal conductivity of minerals

H. Dekura, T. Tsuchiya, J. Tsuchiya 2011

[学会発表] Seismological and mineral physical joint modeling on seismic anisotropy above/below D

Y. Usui, T. Tsuchiya 2011

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

Y. Tange, T. Tsuchiya 2011

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

J. Tsuchiya, T. Tsuchiya 2011

[学会発表] On the densest phase of silica

T. Tsuchiya 2011

[学会発表] Lattice thermal conductivity of minerals in the deep mantle condition

H. Dekura, T. Tsuchiya, J. Tsuchiya 2011

[学会発表] Effects of iron on the thermoelastic properties of MgSiO_3 perovskite

A. Metsue and T. Tsuchiya 2011

[学会発表] Predictions of the shear response of (Mg,Fe)SiO3 post-perovskite

A. Metsue, T. Tsuchiya 2011

[学会発表] 最下部マントル異方性の鉱物物性モデリング

臼井佑介, 土屋卓久 2011

[学会発表] Effects of iron on the thermoelastic properties of MgSiO3 perovskite

A.Metsue, T. Tsuchiya 2011

[学会発表] Investigation on thermodynamic properties of Fe- and Al-bearing MgSiO3 perovskite: an internally consistent LSDA+U study

X. Wang and T. Tsuchiya

[学会発表] 地球惑星科学における液体の数値的研究

土屋卓久, 市川浩樹, 土屋 旬, 谷内 聖, 大角正直

[学会発表] 熱力学積分法に基づく液相自由エネルギーの第一原理計算手法開発

谷内 聖, 土屋卓久

[学会発表] Three layers model of continents and whole mantle dynamics

河合研志, 土屋卓久, 土屋 旬, 丸山茂徳

[学会発表] Ab initio thermal property modeling of the core-mantle boundary

T. Tsuchiya and H. Dekura

[学会発表] Investigations on thermodynamic properties of Fe- and Al-bearing MgSiO3 perovskite: An internally consistent LSDA+U study

X. Wang and T. Tsuchiya

[学会発表] Supercontinent cycle and 2nd continents

K. Kawai, H. Ichikawa, S. Yamamoto, T. Tsuchiya, and S. Maruyama

[学会発表] CMB heat flow from lower mantle thermal conductivity

H. Dekura and T. Tsuchiya

[学会発表] First principles investigation of the structure, elasticity, and vibrational property of the serpentine minerals

J. Tsuchiya and T. Tsuchiya

[学会発表] The ultra-high pressure phase diagrams of SiO2 and MgSiO3

F. Guyot, A. Benuzzi Mounaix, S. Mazevet, and T. Tsuchiya

[学会発表] 膨張収縮地球

土屋卓久, 河合研志, 丸山茂徳

[学会発表] Self-diffusivity and viscosity of Fe-O liquid alloys at Earth's outer core P-T conditions.

H. Ichikawa and T. Tsuchiya

[学会発表] The P-V-T equation of state and transport properties of liquid Fe-O alloys by ab-initio molecular dynamics simulations

H. Ichikawa, T. Tsuchiya, M. Toya, and M. Ohsumi

[学会発表] Ab initio computation on the Fe L-edge X-ray emission spectroscopy of Fe-bearing MgSiO3

X. Wang and T. Tsuchiya

[学会発表] テラパスカル物質科学と惑星内部物理学

土屋卓久

[学会発表] Thermodynamic properties of Fe- and Al-bearing MgSiO3 perovskite: an internally consistent LSDA+U study

T. Tsuchiya and X. Wang