[E-mail]  (ehime-u.ac.jp)
       takut@sci.

[TEL]    +81-(0)89-927-8198

[FAX]    +81-(0)89-927-8167

[CV]
 1995 BS, Physics, Osaka Univ.
 1997 MS, Physics, Osaka Univ.
 2000 PhD, Mineral physics, Osaka Univ.

 1997-2000 JSPS Research Fellow (DC1)
 2001-2004 JSPS Research Fellow (PD)
 2004-2005 PD research associate, Univ. of Minnesota, USA
 2005- Associate Professor, Geodynamics Research Center, Ehime Univ.

[Research subjects]
 Ab initio computation of Earth and planetary materials. Structure, thermochemical
 state and dynamics of Earth's mantle

[Selected publications]
  ○T. Tsuchiya, J. Tsuchiya and R. M. Wentzcovitch, Post-perovskite MgSiO3
     investigated by first principles Superplume: Beyond Plate Tectonics
     (eds. D.A. Yuen, S. Maruyama, S. Karato, B.F. Windley), p.83-103,
     Springer 2007.
  ○T. Irifune and T. Tsuchiya, Phase transitions and mineralogy of the
     lower mantle, Treatise on Geophysics, vol. 2 (ed. D. Price, 2007),
     pp.33-62, Elsevier, 2007.
  ○T. Tsuchiya and J. Tsuchiya, High-pressure-temperature phase relations of
     MgGeO3: First-principles calculations. Phys. Rev. B, 76, 092105, 2007.
  ○T. Tsuchiya, R. M. Wentzcovitch, C. R. S. da Silva and S. de Gironcoli (2006)
     Spin transition in magnesiowustite in Earth's lower mantle, Physical Review
     Letters, 96, 198501.
  ○T. Tsuchiya and J. Tsuchiya (2006) Effect of impurity on the elasticity of
     perovskite and postperovskite: Velocity contrast across the postperovskite
     transition in (Mg,Fe,Al)(Si,Al)O3, Geophysical Research Letters, 33, L12S04
     doi:10.1029/2006GL025706.
  ○R. M. Wentzcovitch, T. Tsuchiya and J. Tsuchiya (2006) MgSiO3 post-perovskite
     at D" conditions, Proceedings of the National Academy of Sciences of the
     United States of America, 103, 543-546, (Press Story: PHYSORG.COM,
     TERRADAILY).
  ○J. Tsuchiya, T. Tsuchiya and R. M. Wentzcovitch (2005) Transition from the
     Rh2O3(II)-to-CaIrO3 structure and the high-pressure-temperature phase
     diagram of alumina, Physical Review B, 72, 020103(R).
  ○J. Tsuchiya, T. Tsuchiya and S. Tsuneyuki (2005) First principles study of
     hydrogen bond symmetrization of phase D under high pressure, American
     Mineralogist, 90, 44-49.
  ○T. Tsuchiya, J. Tsuchiya, K. Umemoto and R. M. Wentzcovitch (2004) Elasticity
     of post-perovskite MgSiO3, Geophysical Research Letters, 31, L14603
     doi:10.1029/2004GL020278 (Selected for AGU Journal Highlights).
  ○T. Tsuchiya, J. Tsuchiya, K. Umemoto and R. M. Wentzcovitch (2004) Phase
     transition in MgSiO3 perovskite in the Earth's lower mantle, Earth and
     Planetary Science Letters, 224, 241-248 (Selected for
     ISI-Thomson New Hot Papers, in Japanese).
  ○T. Tsuchiya, Razvan Caracas and Jun Tsuchiya (2004) First principles
     determination of the phase boundaries of high-pressure polymorphs of
     silica, Geophysical Research Letters, 31, L11610 doi:10.1029/2004GL019649.
  ○T. Tsuchiya (2003) First-principles prediction of the P-V-T equation of
     state of gold and the 660-km discontinuity in Earth's mantle, Journal
     of Geophysical Research, 108, 2462 doi:10.1029/2003JB002446.
  ○J. Tsuchiya, T. Tsuchiya, S. Tsuneyuki and T. Yamanaka (2002) First
     principles calculation of a high-pressure hydrous phase, δ-AlOOH,
     Geophysical Research Letters, 29, 1909 doi:10.1029/2002GL015417.
  ○T. Tsuchiya and K. Kawamura (2001) Systematics of elasticity: Ab initio
     study in B1-type alkaline earth oxides, The Journal of Chemical Physics,
     114, 10086-10093.

  Full publications list

[Awards]
 2006 ISI-Thomson New Hot Papers
 2003 Awards for Selected Paper, The Clay Science Society of Japan (co-author)
 2003 Awards for Young Scientist, The Japan Society of High Pressure Science
 and Technology


(Associate Professor)