World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
47
Citations
16139
World Ranking
10972
National Ranking
681

Chemistry

D-Index
45
Citations
15303
World Ranking
16234
National Ranking
1279

Masaaki Hirayama publication distribution in Materials Science in 2026

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

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 279 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Masaaki Hirayama D-index placement in Materials Science in 2026

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

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 47 D-Index — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Masaaki Hirayama is affiliated with the Tokyo Institute of Technology in Japan. Their research primarily focuses on engineering and materials science, with significant contributions in subfields such as electrical and electronic engineering, materials chemistry, automotive engineering, inorganic chemistry, and electronic, optical, and magnetic materials.

Their work covers several main topics, including:

  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Advanced Battery Technologies Research
  • Thermal Expansion and Ionic Conductivity
  • Inorganic Chemistry and Materials
  • Machine Learning in Materials Science
  • Hydrogen Storage and Materials

Frequent coauthors collaborating with Masaaki Hirayama include:

  • Kota Suzuki
  • Ryoji Kanno
  • Naoki Matsui
  • K. Watanabe
  • Satoshi Hori

Key publication venues where Hirayama's work has appeared multiple times are:

  • ECS Meeting Abstracts
  • Batteries & Supercaps
  • Electrochemistry
  • ACS Applied Energy Materials
  • Journal of Materials Chemistry A

Recent papers authored or coauthored by Masaaki Hirayama include:

  • A lithium superionic conductor for millimeter-thick battery electrode, 2023, Science
  • Understanding the impedance spectra of all-solid-state lithium battery cells with sulfide superionic conductors, 2022, Journal of Power Sources
  • Ionic conduction mechanism of a lithium superionic argyrodite in the Li-Al-Si-S-O system, 2020, Materials Advances
  • Oxygen Substitution for Li-Si-P-S-Cl Solid Electrolytes toward Purified Li10GeP2S12-Type Phase with Enhanced Electrochemical Stabilities for All-Solid-State Batteries, 2020, Chemistry of Materials
  • Performance of Li4Ti5O12-based reference electrode for the electrochemical analysis of all-solid-state lithium-ion batteries, 2020, Electrochemistry Communications

Best Publications

  • A lithium superionic conductor

    Noriaki Kamaya;Kenji Homma;Yuichiro Yamakawa;Masaaki Hirayama

  • High-power all-solid-state batteries using sulfide superionic conductors

    Yuki Kato;Yuki Kato;Satoshi Hori;Toshiya Saito;Kota Suzuki

  • A lithium superionic conductor for millimeter-thick battery electrode

    Unknown

  • Crystal structure and phase transitions of the lithium ionic conductor Li3PS4

    Kenji Homma;Masao Yonemura;Takeshi Kobayashi;Miki Nagao

  • Dynamic structural changes at LiMn2O4/electrolyte interface during lithium battery reaction.

    Masaaki Hirayama;Hedekazu Ido;KyungSu Kim;Woosuk Cho

  • Bulk-Type All Solid-State Batteries with 5 V Class LiNi0.5Mn1.5O4 Cathode and Li10GeP2S12 Solid Electrolyte

    Gwangseok Oh;Masaaki Hirayama;Ohmin Kwon;Kota Suzuki

  • Pure H– conduction in oxyhydrides

    Genki Kobayashi;Yoyo Hinuma;Shinji Matsuoka;Akihiro Watanabe

  • All-Solid-State Batteries with Thick Electrode Configurations

    Yuki Kato;Shinya Shiotani;Keisuke Morita;Kota Suzuki

  • Superionic Conductors: Li10+δ[SnySi1–y]1+δP2−δS12 with a Li10GeP2S12-type Structure in the Li3PS4–Li4SnS4–Li4SiS4 Quasi-ternary System

    Yulong Sun;Kota Suzuki;Satoshi Hori;Masaaki Hirayama

  • Oxygen substitution effects in Li10GeP2S12 solid electrolyte

    Yulong Sun;Kota Suzuki;Kosuke Hara;Satoshi Hori

  • Synthesis, structure, and conduction mechanism of the lithium superionic conductor Li10+δGe1+δP2−δS12

    Ohmin Kwon;Masaaki Hirayama;Kota Suzuki;Yuki Kato

  • Discharge Performance of All-Solid-State Battery Using a Lithium Superionic Conductor Li10GeP2S12

    Yuki Kato;Koji Kawamoto;Ryoji Kanno;Masaaki Hirayama

  • Direct synthesis of oxygen-deficient Li2MnO3−x for high capacity lithium battery electrodes

    Kei Kubota;Takayuki Kaneko;Masaaki Hirayama;Masao Yonemura

  • Characterization of Electrode/Electrolyte Interface with X-Ray Reflectometry and Epitaxial-Film LiMn2O4 Electrode

    Masaaki Hirayama;Noriyuki Sonoyama;Masumi Ito;Machiko Minoura

  • Epitaxial growth and lithium ion conductivity of lithium-oxide garnet for an all solid-state battery electrolyte

    Sangryun Kim;Masaaki Hirayama;Sou Taminato;Ryoji Kanno

  • Real-time observations of lithium battery reactions—operando neutron diffraction analysis during practical operation

    Sou Taminato;Masao Yonemura;Shinya Shiotani;Takashi Kamiyama

  • Characterization of electrode/electrolyte interface for lithium batteries using in situ synchrotron X-ray reflectometry—A new experimental technique for LiCoO2 model electrode

    Masaaki Hirayama;Noriyuki Sonoyama;Takeshi Abe;Machiko Minoura

  • Synthesis, structure and lithium ionic conductivity of solid solutions of Li 10 (Ge 1-x M x )P 2 S 12 (M = Si, Sn)

    Yuki Kato;Yuki Kato;Ryoko Saito;Mitsuru Sakano;Akio Mitsui

  • Reactions at the electrode/electrolyte interface of all-solid-state lithium batteries incorporating Li–M (M = Sn, Si) alloy electrodes and sulfide-based solid electrolytes

    Masamitsu Sakuma;Kota Suzuki;Masaaki Hirayama;Ryoji Kanno

  • Sulfide solid electrolyte material, battery, and method for producing sulfide solid electrolyte material

    Ryoji Kanno;Masaaki Hirayama;Yuki Kato;Koji Kawamoto

  • Epitaxial growth and electrochemical properties of Li4Ti5O12 thin-film lithium battery anodes

    Masaaki Hirayama;Kyungsu Kim;Takeshi Toujigamori;Woosuk Cho

Frequent Co-Authors

Ryoji Kanno
Ryoji Kanno Tokyo Institute of Technology
Atsuo Yamada
Atsuo Yamada University of Tokyo
Kei Kubota
Kei Kubota Tokyo University of Science
Masahiko Hara
Masahiko Hara Tokyo Institute of Technology
Hajime Arai
Hajime Arai Tokyo Institute of Technology
Dominique Guyomard
Dominique Guyomard Centre national de la recherche scientifique, CNRS
Takashi Kamiyama
Takashi Kamiyama High Energy Accelerator Research Organization
Gen Sobue
Gen Sobue Aichi Medical University
Isao Tanaka
Isao Tanaka Kyoto University
Zempachi Ogumi
Zempachi Ogumi Kyoto University

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