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

Kei Hirose publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Kei Hirose sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 376 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Kei Hirose D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kei Hirose sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 83 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

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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