World's Best Scientists 2026 revealed!
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Earth Science
Japan
2026

D-Index & Metrics

Earth Science

D-Index
83
Citations
23336
World Ranking
430
National Ranking
7

Research.com Recognitions

  • 2026 - Research.com Earth Science in Japan Leader Award
  • 2025 - Research.com Earth Science in Japan Leader Award
  • 2023 - Research.com Earth Science in Japan Leader Award
  • 2022 - Research.com Earth Science in Japan Leader Award
  • 2009 - Fellow of American Geophysical Union (AGU)

Overview

Kei Hirose is affiliated with the University of Tokyo in Japan and specializes in Earth and Planetary Sciences and Materials Science. Their research primarily focuses on subfields including Geophysics, Materials Chemistry, Mechanical Engineering, Electronic, Optical and Magnetic Materials, and Atomic and Molecular Physics, and Optics.

The scientist's main research topics encompass:

  • High-pressure geophysics and materials
  • Geological and Geochemical Analysis
  • Geomagnetism and Paleomagnetism Studies
  • Earthquake and tectonic studies
  • Metallurgical Processes and Thermodynamics
  • Diamond and Carbon-based Materials Research
  • Earthquake Detection and Analysis

Kei Hirose has authored several papers in various highly regarded scientific journals. Recent papers include:

  • Light elements in the Earth's core, 2021, Nature Reviews Earth & Environment
  • Experimental evidence for hydrogen incorporation into Earth's core, 2021, Nature Communications
  • New developments in high-pressure X-ray diffraction beamline for diamond anvil cell at SPring-8, 2020, Matter and Radiation at Extremes
  • Equation of State of Liquid Iron under Extreme Conditions, 2020, Physical Review Letters
  • Resistivity saturation of hcp Fe-Si alloys in an internally heated diamond anvil cell: A key to assessing the Earth's core conductivity, 2020, Earth and Planetary Science Letters

Frequent coauthors in their collaborative work include:

  • Yasuo Ohishi
  • Kenji Ohta
  • Shoh Tagawa
  • Y. Okuda
  • S. Yokoo

Publications by Kei Hirose appear regularly in venues such as:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Geophysical Research Solid Earth
  • Geophysical Research Letters
  • Nature Communications
  • American Mineralogist

In recognition of their scientific contributions, Kei Hirose was awarded the status of Fellow of the American Geophysical Union (AGU) in 2009.

Best Publications

  • Post-Perovskite Phase Transition in MgSiO3

    Motohiko Murakami;Kei Hirose;Katsuyuki Kawamura;Nagayoshi Sata

  • Partial melting of dry peridotites at high pressures: Determination of compositions of melts segregated from peridotite using aggregates of diamond

    Kei Hirose;Ikuo Kushiro

  • Hydrous partial melting of lherzolite at 1 GPa: The effect of H2O on the genesis of basaltic magmas

    Kei Hirose;Tatsuhiko Kawamoto

  • The structure of iron in Earth's inner core.

    Shigehiko Tateno;Shigehiko Tateno;Kei Hirose;Kei Hirose;Yasuo Ohishi;Yoshiyuki Tatsumi

  • The fate of subducted basaltic crust in the Earth's lower mantle

    Kei Hirose;Yingwei Fei;Yanzhang Ma;Ho-Kwang Mao

  • Melting experiments on lherzolite KLB-1 under hydrous conditions and generation of high-magnesian andesitic melts

    Kei Hirose

  • Stagnant slab : A review

    Yoshio Fukao;Tomoeki Nakakuki;Hisashi Utada;Daisuke Suetsugu

  • Phase transitions in pyrolitic mantle around 670‐km depth: Implications for upwelling of plumes from the lower mantle

    Kei Hirose

  • Experimentally determined postspinel transformation boundary in Mg2SiO4 using MgO as an internal pressure standard and its geophysical implications

    Y Fei;J Van Orman;J Van Orman;J Li;J Li;W van Westrenen;W van Westrenen

  • Phase transition and density of subducted MORB crust in the lower mantle

    Kei Hirose;Kei Hirose;Naoto Takafuji;Naoto Takafuji;Nagayoshi Sata;Yasuo Ohishi

  • Composition and State of the Core

    Kei Hirose;Stéphane Labrosse;John Hernlund

  • Investigations of lithium–sulfur batteries using electrochemical impedance spectroscopy

    Natalia A. Cañas;Natalia A. Cañas;Kei Hirose;Brigitta Pascucci;Brigitta Pascucci;Norbert Wagner

  • Geochemical Variations in Vanuatu Arc Lavas: the Role of Subducted Material and a Variable Mantle Wedge Composition

    David W. Peate;David W. Peate;Julian A. Pearce;Chris J. Hawkesworth;Howard Colley

  • Stability of magnesite and its high-pressure form in the lowermost mantle

    Maiko Isshiki;Tetsuo Irifune;Kei Hirose;Shigeaki Ono

  • The high conductivity of iron and thermal evolution of the Earth’s core

    Hitoshi Gomi;Kenji Ohta;Kei Hirose;Kei Hirose;Stéphane Labrosse;Stéphane Labrosse

  • Melting experiments on homogeneous mixtures of peridotite and basalt: application to the genesis of ocean island basalts

    Tetsu Kogiso;Kei Hirose;Eiichi Takahashi

  • Post-Perovskite Phase Transition

    Motohiko Murakami;Kei Hirose;Katsuyuki Kawamura;Nagayoshi Sata

  • A Perovskitic Lower Mantle Inferred from High-pressure, High-temperature Sound Velocity Data

    Motohiko Murakami;Yasuo Ohishi;Naohisa Hirao;Kei Hirose

  • The elasticity of the MgSiO3 post-perovskite phase in the Earth's lowermost mantle.

    T. Iitaka;K. Hirose;K. Kawamura;M. Murakami

  • Spin crossover and iron-rich silicate melt in the Earth’s deep mantle

    Ryuichi Nomura;Ryuichi Nomura;Haruka Ozawa;Haruka Ozawa;Shigehiko Tateno;Kei Hirose;Kei Hirose

  • Partial melt compositions of carbonated peridotite at 3 GPa and role of CO2 in alkali‐basalt magma generation

    Kei Hirose

Frequent Co-Authors

Nagayoshi Sata
Nagayoshi Sata Japan Agency for Marine-Earth Science and Technology
Koichiro Umemoto
Koichiro Umemoto Tokyo Institute of Technology
Razvan Caracas
Razvan Caracas École Normale Supérieure de Lyon
George Helffrich
George Helffrich Tokyo Institute of Technology
Yingwei Fei
Yingwei Fei Carnegie Institution for Science
Shigeaki Ono
Shigeaki Ono Japan Agency for Marine-Earth Science and Technology
Renata M. Wentzcovitch
Renata M. Wentzcovitch Columbia University
Leonid Dubrovinsky
Leonid Dubrovinsky University of Bayreuth
Ken-ichi Funakoshi
Ken-ichi Funakoshi Comprehensive Research Organization for Science and Society
Thorne Lay
Thorne Lay University of California, Santa Cruz

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