Koichiro Umemoto

Best Publications

• Phase transition in MgSiO 3 perovskite in the earth's lower mantle

  Taku Tsuchiya;Jun Tsuchiya;Koichiro Umemoto;Renata M. Wentzcovitch

  553
  Citations

• Crystallization of silicon dioxide and compositional evolution of the Earth’s core

  Kei Hirose;Guillaume Morard;Ryosuke Sinmyo;Koichio Umemoto

  257
  Citations

• Dissociation of MgSiO3 in the cores of gas giants and terrestrial exoplanets.

  Koichiro Umemoto;Koichiro Umemoto;Renata M. Wentzcovitch;Renata M. Wentzcovitch;Philip B. Allen;Philip B. Allen

  231
  Citations

• An adaptive genetic algorithm for crystal structure prediction.

  Shunqing Wu;Shunqing Wu;Min Ji;Cai-Zhuang Wang;Manh Cuong Nguyen

  204
  Citations

• Elasticity of post‐perovskite MgSiO3

  Taku Tsuchiya;Jun Tsuchiya;Koichiro Umemoto;Renata M. Wentzcovitch

  194
  Citations

• Spin states and hyperfine interactions of iron in (Mg,Fe)SiO3 perovskite under pressure

  Han Hsu;Koichiro Umemoto;Peter Blaha;Renata M. Wentzcovitch

  129
  Citations

• Pressure-volume-temperature relations in MgO: An ultrahigh pressure-temperature scale for planetary sciences applications

  Zhongqing Wu;Renata M Wentzcovitch;Koichiro Umemoto;Baosheng Li

  121
  Citations

• Liquid iron-hydrogen alloys at outer core conditions by first-principles calculations: LIQUID FE-H ALLOYS BY FIRST PRINCIPLES

  Koichiro Umemoto;Kei Hirose

  100
  Citations

• Ultrahigh-pressure phases of H 2 O ice predicted using an adaptive genetic algorithm

  Min Ji;Koichiro Umemoto;Cai Zhuang Wang;Kai Ming Ho

  99
  Citations

• Two-stage dissociation in MgSiO3 post-perovskite

  Koichiro Umemoto;Renata M. Wentzcovitch

  98
  Citations

• Prediction of an U2S3-type polymorph of Al2O3 at 3.7 Mbar

  Koichiro Umemoto;Renata M. Wentzcovitch

  84
  Citations

• Effect of the d electrons on phase transitions in transition-metal sesquioxides

  Koichiro Umemoto;Renata M. Wentzcovitch;Renata M. Wentzcovitch

  76
  Citations

• Phase transitions in MgSiO3 post-perovskite in super-Earth mantles

  Koichiro Umemoto;Koichiro Umemoto;Koichiro Umemoto;Renata M. Wentzcovitch;Renata M. Wentzcovitch;Shunqing Wu;Shunqing Wu;Min Ji

  75
  Citations

• Identification of post-pyrite phase transitions in SiO 2 by a genetic algorithm

  Shunqing Wu;Shunqing Wu;Koichiro Umemoto;Min Ji;Cai Zhuang Wang

  73
  Citations

• Spin transition in (Mg,Fe)SiO3 perovskite under pressure

  Koichiro Umemoto;Renata M. Wentzcovitch;Yonggang G. Yu;Ryan Requist

  73
  Citations

• First principles investigation of the postspinel transition in Mg2SiO4

  Yonggang G. Yu;Renata M. Wentzcovitch;Taku Tsuchiya;Koichiro Umemoto

  71
  Citations

• Chemical compositions of the outer core examined by first principles calculations

  Koichiro Umemoto;Kei Hirose;Kei Hirose

  70
  Citations

• Lattice dynamics and thermal equation of state of platinum

  Tao Sun;Koichiro Umemoto;Zhongqing Wu;Jin Cheng Zheng

  69
  Citations

• NaMgF3: a low-pressure analog of MgSiO3

  K. Umemoto;R. M. Wentzcovitch;D. J. Weidner;J. B. Parise

  66
  Citations

• Liquid iron‐sulfur alloys at outer core conditions by first‐principles calculations

  Koichiro Umemoto;Kei Hirose;Kei Hirose;Saori Imada;Yoichi Nakajima

  60
  Citations