World's Best Scientists 2026 revealed!
Masaki Akaogi

Masaki Akaogi

D-Index & Metrics

Chemistry

D-Index
48
Citations
8677
World Ranking
15201
National Ranking
1189

Masaki Akaogi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Masaki Akaogi sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 171 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Masaki Akaogi D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 48 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Masaki Akaogi is a researcher affiliated with Gakushuin University in Japan, specializing in Earth and Planetary Sciences, Materials Science, and Engineering. Their work primarily focuses on high-pressure geophysics and materials, geological and geochemical analysis, crystal structures and properties, earthquake and tectonic studies, nuclear materials and radiation effects, advanced condensed matter physics, and electronic and structural properties of oxides.

Akaogi has published extensively in these areas, contributing to over thirty publications within Earth and Planetary Sciences and more than twenty in Materials Science. Their subfields of study include geophysics, materials chemistry, electronic, optical and magnetic materials, electrical and electronic engineering, and condensed matter physics.

Frequent co-authors in their research collaborations include Hiroshi Kojitani, Takayuki Ishii, Yoshiyuki Inaguma, Kazunari Yamaura, and Giacomo Criniti.

Their recent papers include:

  • Post-spinel-type AB2O4 high-pressure phases in geochemistry and materials science, 2024, Communications Chemistry
  • Enthalpy, heat capacity and thermal expansivity measurements of MgSiO3 akimotoite: Reassessment of its self-consistent thermodynamic data set, 2022, Physics of The Earth and Planetary Interiors
  • Discovery of New-Structured Post-Spinel MgFe2O4: Crystal Structure and High-Pressure Phase Relations, 2020, Geophysical Research Letters
  • High-pressure syntheses and crystal structure analyses of a new low-density CaFe2O4-related and CaTi2O4-type MgAl2O4 phases, 2020, American Mineralogist
  • High-pressure and high-temperature phase relations in the systems KAlSiO4-MgAl2O4 and CaAl2O4-MgAl2O4: Stability fields of NAL phases, 2020, Physics of The Earth and Planetary Interiors

In addition to journal articles, Akaogi has contributed to book publications, including a title published by Springer Nature: "High-Pressure Silicates and Oxides" (2022).

The primary venues for their research publications are:

  • American Mineralogist
  • Physics of The Earth and Planetary Interiors
  • Physics and Chemistry of Minerals
  • Geophysical Research Letters
  • Communications Chemistry

Best Publications

  • Olivine-modified spinel-spinel transitions in the system Mg2SiO4-Fe2SiO4: Calorimetric measurements, thermochemical calculation, and geophysical application

    Masaki Akaogi;Eiji Ito;Alexandra Navrotsky

  • Molecular Dynamics Simulation of the Structural and Physical Properties of the Four Polymorphs of TiO2

    Masanori Matsui;Masaki Akaogi

  • A ferroelectric-like structural transition in a metal

    Youguo Shi;Yanfeng Guo;Yanfeng Guo;Xia Wang;Andrew J. Princep

  • Pyroxene-garnet solid-solution equilibria in the systems Mg4Si4O12Mg3Al2Si3O12 and Fe4Si4O12Fe3Al2Si3O12 at high pressures and temperatures

    M. Akaogi;S. Akimoto

  • High-pressure phase equilibria in a garnet lherzolite, with special reference to Mg2+Fe2+ partitioning among constituent minerals

    M. Akaogi;S. Akimoto

  • Negative Pressure-Temperature Slopes for Reactions Formign MgSiO3 Perovskite from Calorimetry

    E. Ito;M. Akaogi;L. Topor;A. Navrotsky

  • In situ observation of the olivine‐spinel phase transformation in Fe2SiO4 using synchrotron radiation

    Takehiko Yagi;Masaki Akaogi;Osamu Shimomura;Toshihiro Suzuki

  • The quartz-coesite-stishovite transformations: new calorimetric measurements and calculation of phase diagrams

    Masaki Akaogi;Alexandra Navrotsky

  • The Mg 2 SiO 4 polymorphs (olivine, modified spinel and spinel); thermodynamic properties from oxide melt solution calorimetry, phase relations, and models of lattice vibrations

    Masaki Akaogi;Nancy L. Ross;Paul McMillan;Alexandra Navrotsky

  • High pressure transitions in the system KAlSi3O8-NaAlSi3O8

    Atsushi Yagi;Toshihiro Suzuki;Masaki Akaogi

  • Garnet-perovskite transformation in CaGeO3: In-situ X-ray measurements using synchrotron radiation

    J. Susaki;M. Akaogi;S. Akimoto;O. Shimomura

  • Computational model of the structural and elastic properties of the ilmenite and perovskite phases of MgSiO3

    Masanori Matsui;Masaki Akaogi;Takeo Matsumoto

  • Post-garnet transitions in the system Mg4Si4O12–Mg3Al2Si3O12 up to 28 GPa: phase relations of garnet, ilmenite and perovskite

    Atsushi Kubo;Masaki Akaogi

  • HIGH PRESSURE TRANSITIONS IN THE SYSTEM MGAL2O4-CAAL2O4 A NEW HEXAGONAL ALUMINOUS PHASE WITH IMPLICATION FOR THE LOWER MANTLE

    M Akaogi;Y Hamada;T Suzuki;M Kobayashi

  • Garnet–ilmenite–perovskite transitions in the system Mg4Si4O12–Mg3Al2Si3O12 at high pressures and high temperatures: phase equilibria, calorimetry and implications for mantle structure

    Masaki Akaogi;Akira Tanaka;Eiji Ito

  • High-pressure synthesis, crystal structure, and phase stability relations of a LiNbO3-type polar titanate ZnTiO3 and its reinforced polarity by the second-order Jahn-Teller effect.

    Yoshiyuki Inaguma;Akihisa Aimi;Yuichi Shirako;Daichi Sakurai

  • Hydrostatic compression of the synthetic garnets pyrope and almandine

    Yosiko Sato;Masaki Akaogi;Syun-Iti Akimoto

  • Low-temperature heat capacities, entropies and enthalpies of Mg 2 SiO 4 polymorphs, and α−β−γ and post-spinel phase relations at high pressure

    M. Akaogi;H. Takayama;H. Kojitani;H. Kawaji

  • High-pressure transformation of pyrope (Mg3Al2Si3O12) in a sintered diamond cubic anvil assembly

    E. Ito;A. Kubo;T. Katsura;M. Akaogi

  • Pyroxene-Garnet Transformation: Thermochemistry and Elasticity of Garnet Solid Solutions, and Application to a Pyrolite Mantle

    Masaki Akaogi;Alexandra Navrotsky;Takehiko Yagii;Syun-Iti Akimoto

  • Hydroxyl groups in β-Mg2SiO4

    Paul F. McMillan;Masaki Akaogi;Robert K. Sato;Brent Poe

Frequent Co-Authors

Kazunari Yamaura
Kazunari Yamaura National Institute for Materials Science
Yoshiyuki Inaguma
Yoshiyuki Inaguma Gakushuin University
Eiji Ito
Eiji Ito Okayama University
Syun-iti Akimoto
Syun-iti Akimoto University of Tokyo
Eiji Takayama-Muromachi
Eiji Takayama-Muromachi National Institute for Materials Science
Alexandra Navrotsky
Alexandra Navrotsky Arizona State University
Yoshitaka Matsushita
Yoshitaka Matsushita National Institute for Materials Science
Takehiko Yagi
Takehiko Yagi University of Tokyo
Youguo Shi
Youguo Shi Chinese Academy of Sciences
Tomoo Katsura
Tomoo Katsura University of Bayreuth

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