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Materials Science

D-Index
63
Citations
20682
World Ranking
6046
National Ranking
297

Fumiyasu Oba 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 Fumiyasu Oba 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: 259 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Fumiyasu Oba 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 Fumiyasu Oba 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: 63 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Overview

Fumiyasu Oba is affiliated with the Tokyo Institute of Technology in Japan, focusing on research within the field of Materials Science. Their work spans several specialized subfields including Materials Chemistry, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Renewable Energy, Sustainability and the Environment, and Atomic and Molecular Physics, and Optics.

Their research encompasses a variety of topics, with significant attention on the electronic and structural properties of oxides, machine learning applications in materials science, ferroelectric and piezoelectric materials, semiconductor materials and devices, ZnO doping and properties, magnetic and transport properties of perovskites and related materials, and multiferroics and related materials.

Frequent coauthors collaborating with Oba include:

  • Yu Kumagai
  • Akira Takahashi
  • Yasuhide Mochizuki
  • Naoki Tsunoda
  • Tomoya Gake

The main venues for Oba's publications are:

  • Physical Review Materials
  • Chemistry of Materials
  • Journal of the American Chemical Society
  • Physical Review B
  • Science and Technology of Advanced Materials Methods

Recent papers authored by or including Oba are:

  • "Machine learning models for predicting the dielectric constants of oxides based on high-throughput first-principles calculations," 2020, Physical Review Materials
  • "Insights into oxygen vacancies from high-throughput first-principles calculations," 2021, Physical Review Materials
  • "Finite-size corrections for defect-involving vertical transitions in supercell calculations," 2020, Physical Review B
  • "Theoretical exploration of mixed-anion antiperovskite semiconductors M3X N (M= Mg, Ca, Sr, Ba; X= P, As, Sb, Bi)," 2020, Physical Review Materials
  • "Hole-Doping to a Cu(I)-Based Semiconductor with an Isovalent Cation: Utilizing a Complex Defect as a Shallow Acceptor," 2022, Journal of the American Chemical Society

Best Publications

  • First-principles calculations of the ferroelastic transition between rutile-type and CaCl2-type SiO2 at high pressures

    Atsushi Togo;Fumiyasu Oba;Isao Tanaka

  • Defect energetics in ZnO: A hybrid Hartree-Fock density functional study

    Fumiyasu Oba;Atsushi Togo;Isao Tanaka;Joachim Paier

  • Band structure diagram paths based on crystallography

    Yoyo Hinuma;Yoyo Hinuma;Giovanni Pizzi;Yu Kumagai;Fumiyasu Oba;Fumiyasu Oba

  • Energetics of native defects in ZnO

    Fumiyasu Oba;Shigeto R. Nishitani;Seiji Isotani;Hirohiko Adachi

  • Electrostatics-based finite-size corrections for first-principles point defect calculations

    Yu Kumagai;Fumiyasu Oba;Fumiyasu Oba

  • Effect of MnO2 Crystal Structure on Aerobic Oxidation of 5-Hydroxymethylfurfural to 2,5-Furandicarboxylic Acid.

    Eri Hayashi;Yui Yamaguchi;Keigo Kamata;Naoki Tsunoda

  • Structures and energetics of Ga2O3 polymorphs

    S Yoshioka;H Hayashi;A Kuwabara;F Oba

  • Point defects in ZnO: an approach from first principles

    Fumiyasu Oba;Minseok Choi;Atsushi Togo;Isao Tanaka

  • Band alignment of semiconductors from density-functional theory and many-body perturbation theory

    Yoyo Hinuma;Andreas Grüneis;Georg Kresse;Fumiyasu Oba;Fumiyasu Oba

  • First-principles calculations of native defects in tin monoxide

    A. Togo;F. Oba;I. Tanaka;K. Tatsumi

  • Debye temperature and stiffness of carbon and boron nitride polymorphs from first principles calculations

    Tetsuya Tohei;Akihide Kuwabara;Fumiyasu Oba;Isao Tanaka

  • Discovery of earth-abundant nitride semiconductors by computational screening and high-pressure synthesis

    Yoyo Hinuma;Taisuke Hatakeyama;Yu Kumagai;Lee A. Burton

  • Lattice dynamics of the tin sulphides SnS2, SnS and Sn2S3: vibrational spectra and thermal transport

    Jonathan M. Skelton;Lee A. Burton;Adam J. Jackson;Fumiyasu Oba

  • First-principles approach to chemical diffusion of lithium atoms in a graphite intercalation compound

    Kazuaki Toyoura;Yukinori Koyama;Akihide Kuwabara;Fumiyasu Oba

  • Ionization potentials of solids: the importance of vertex corrections.

    Andreas Grüneis;Georg Kresse;Yoyo Hinuma;Fumiyasu Oba

  • Carbon supersaturation due to paraequilibrium carburization: Stainless steels with greatly improved mechanical properties

    G. M. Michal;F. Ernst;H. Kahn;Y. Cao

  • Intercalation and Push-Out Process with Spinel-to-Rocksalt Transition on Mg Insertion into Spinel Oxides in Magnesium Batteries

    Shinya Okamoto;Tetsu Ichitsubo;Tomoya Kawaguchi;Yu Kumagai

  • Structure and Stability of a Homologous Series of Tin Oxides

    Atsuto Seko;Atsushi Togo;Fumiyasu Oba;Isao Tanaka

  • Design and exploration of semiconductors from first principles: A review of recent advances

    Fumiyasu Oba;Fumiyasu Oba;Yu Kumagai;Yu Kumagai

  • Electronic Structure and Defect Physics of Tin Sulfides: SnS, Sn 2 S 3 , and Sn S 2

    Yu Kumagai;Lee A. Burton;Aron Walsh;Fumiyasu Oba

  • Shape Control in Epitaxial Electrodeposition: Cu2O Nanocubes on InP(001)

    Run Liu;Fumiyasu Oba;Eric W. Bohannan;Frank Ernst

Frequent Co-Authors

Isao Tanaka
Isao Tanaka Kyoto University
Yuichi Ikuhara
Yuichi Ikuhara University of Tokyo
Takahisa Yamamoto
Takahisa Yamamoto Nagoya University
Aron Walsh
Aron Walsh Imperial College London
Naoya Shibata
Naoya Shibata University of Tokyo
Frank Ernst
Frank Ernst Case Western Reserve University
Alexei A. Belik
Alexei A. Belik National Institute for Materials Science
Hideo Hosono
Hideo Hosono Tokyo Institute of Technology
Jay A. Switzer
Jay A. Switzer Missouri University of Science and Technology
Takashi Taniguchi
Takashi Taniguchi National Institute for Materials Science

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