Koichiro Umemoto

Tokyo Institute of Technology — Japan

Earth and Planetary Sciences · Physical Sciences

34h-index4.2kcitations181works9.02yr avg
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Research Topics

High-pressure geophysics and materials(84), Geological and Geochemical Analysis(36), Crystal Structures and Properties(28), Magnetic and transport properties of perovskites and related materials(16), earthquake and tectonic studies(12)

Publications181 total

Retention of water in subducted slabs under core–mantle boundary conditions
Nature Geoscience·2024· 22 cited
Equation of State of Liquid Fe<sub>7</sub>C<sub>3</sub> and Thermodynamic Modeling of the Liquidus Phase Relations in the Fe‐C System
Journal of Geophysical Research Solid Earth·2024· 5 citedOpen Access
Equation of State of Liquid Fe7C3 and Thermodynamic Modeling of the Liquidus Phase Relations in the Fe-C System
Zenodo (CERN European Organization for Nuclear Research)·2024Open Access
Equation of State of Liquid Fe7C3 and Thermodynamic Modeling of the Liquidus Phase Relations in the Fe-C System
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
High-pressure phase of cold-compressed bulk graphite and graphene nanoplatelets
Physical review. B./Physical review. B·2023· 10 citedOpen Access
<i>Ab initio</i> investigation of H-bond disordering in δ-AlOOH
Physical Review Research·2022· 10 citedOpen Access
Melting phase relations in Fe–Si–H at high pressure and implications for Earth’s inner core crystallization
Scientific Reports·2022· 19 citedOpen Access
Structural transition and re-emergence of iron's total electron spin in (Mg,Fe)O at ultrahigh pressure
Nature Communications·2022· 5 citedOpen Access
Melting phase relations in Fe-Si-H at high pressure: Implications for Earth’s inner core crystallization and core light elements
Research Square (Research Square)·2022Open Access
Ab initio investigation of H-bond disordering in $δ$-AlOOH
arXiv (Cornell University)·2021Open Access
<i>Ab initio</i> prediction of an order-disorder transition in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mg</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>Ge</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>: Implication for the nature of super-Earth's mantles
Physical Review Materials·2021· 10 citedOpen Access
Prediction of a temperature-induced phase transition in Mg 2 GeO 4 by first principles
Bulletin of the American Physical Society·2021
Ab initio prediction of a temperature-induced phase transition in Mg 2 GeO 4
AGU Fall Meeting Abstracts·2020
Ab initio prediction of an order-disorder transition in Mg$_2$GeO$_4$: implication for the nature of super-Earth's mantles
arXiv (Cornell University)·2020· 2 citedOpen Access
Structural, spin, and metal-insulator transitions of (Mg,Fe)O at ultrahigh pressure
arXiv (Cornell University)·2020Open Access
Ab initio investigation of hydrogen-bond disorder in δ-AlOOH
Bulletin of the American Physical Society·2020
Ab initio investigation of post-PPV transitions in MgGeO 3 and NaMgF 3
Bulletin of the American Physical Society·2020
Stability of fcc phase FeH to 137 GPa
American Mineralogist·2020· 37 cited
Transfer of SiO 2 from the core to the mantle and its fate in the Earth in early and present times
AGU Fall Meeting Abstracts·2019
Chemical compositions of the outer core examined by first principles calculations
Earth and Planetary Science Letters·2019· 74 cited
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Frequent Co-authors

Renata M. Wentzcovitch(38), Kei Hirose(11), Han Hsu(6), Yasuo Ohishi(5), Min Ji(4), Lan Wang(4), Chris Leighton(4), Taku Tsuchiya(3), Jun Tsuchiya(3), Susumu Saito(3), Shunqing Wu(3), Zhongqing Wu(3), J. G. Checkelsky(3), E. Dan Dahlberg(3), Stefano de Gironcoli(3), Shoh Tagawa(3), Matteo Cococcioni(2), Jin‐Cheng Zheng(2), T. Y. Chen(2), C. L. Chien(2)