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D-Index & Metrics

Materials Science

D-Index
43
Citations
14102
World Ranking
12195
National Ranking
554

Naoto Umezawa 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 Naoto Umezawa 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: 185 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Naoto Umezawa 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 Naoto Umezawa 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: 43 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Naoto Umezawa is affiliated with Samsung in South Korea and works primarily in the field of Materials Science. Their research encompasses a variety of subfields including Materials Chemistry, Atomic and Molecular Physics and Optics, Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment, and Polymers and Plastics.

The scientist's work spans several focused topics related to material properties and applications. These include Boron and Carbon Nanomaterials Research, ZnO doping and properties, Electronic and Structural Properties of Oxides, Topological Materials and Phenomena, Graphene research and applications, Semiconductor materials and interfaces, and Surface and Thin Film Phenomena.

Naoto Umezawa has contributed to research published in various peer-reviewed journals. Notable papers include:

  • Topological Dirac nodal loops in nonsymmorphic hydrogenated monolayer boron, 2020, Physical review. B./Physical review. B
  • Recent advances in computational studies of thin-film solar cell material BaSi2, 2020, Japanese Journal of Applied Physics
  • B5N3 and B7N5 Monolayers with High Carrier Mobility and Excellent Optical Performance, 2021, The Journal of Physical Chemistry Letters
  • Crystal and electronic structure engineering of tin monoxide by external pressure, 2021, Journal of Advanced Ceramics
  • Combined first-principles and electromagnetic simulation study of n-type doped anatase TiO2 for the applications in infrared surface plasmon photonics, 2020, Physical Review Materials

Their research collaborations include frequent co-authors such as Junjie Wang, Vladislav A. Blatov, Hideo Hosono, Nguyen Thanh Cuong, and Kun Li.

Key publication venues where Naoto Umezawa has contributed include:

  • Physical review. B./Physical review. B
  • Japanese Journal of Applied Physics
  • The Journal of Physical Chemistry Letters
  • Journal of Advanced Ceramics
  • Physical Review Materials

This profile outlines the scientific contributions of Naoto Umezawa based on research publications, fields of study, and collaborative networks without additional evaluations or affiliations beyond Samsung.

Best Publications

  • Nano‐photocatalytic Materials: Possibilities and Challenges

    Hua Tong;Shuxin Ouyang;Yingpu Bi;Naoto Umezawa;Naoto Umezawa

  • Facet Effect of Single-Crystalline Ag3PO4 Sub-microcrystals on Photocatalytic Properties

    Yingpu Bi;Shuxin Ouyang;Naoto Umezawa;Junyu Cao

  • Recent advances in TiO2-based photocatalysis

    Hua Xu;Hua Xu;Shuxin Ouyang;Shuxin Ouyang;Lequan Liu;Pakpoom Reunchan;Pakpoom Reunchan

  • Hybrid functional studies of the oxygen vacancy in TiO 2

    A. Janotti;J. B. Varley;P. Rinke;N. Umezawa

  • Covalency-reinforced oxygen evolution reaction catalyst.

    Shunsuke Yagi;Ikuya Yamada;Hirofumi Tsukasaki;Akihiro Seno

  • Recent advances in TiO 2 -based photocatalysis

    Hua Xu;Shuxin Ouyang;Lequan Liu;Pakpoom Reunchan

  • Surface-alkalinization-induced enhancement of photocatalytic H2 evolution over SrTiO3-based photocatalysts.

    Shuxin Ouyang;Hua Tong;Hua Tong;Naoto Umezawa;Naoto Umezawa;Naoto Umezawa;Junyu Cao

  • Facet engineered Ag3PO4 for efficient water photooxidation

    David James Martin;Naoto Umezawa;Naoto Umezawa;Naoto Umezawa;Xiaowei Chen;Jinhua Ye

  • Anatase TiO2 Single Crystals Exposed with High-Reactive {111} Facets Toward Efficient H2 Evolution

    Hua Xu;Pakpoom Reunchan;Shuxin Ouyang;Hua Tong

  • Self-doped SrTiO3−δ photocatalyst with enhanced activity for artificial photosynthesis under visible light

    Kui Xie;Naoto Umezawa;Naoto Umezawa;Ning Zhang;Pakpoom Reunchan

  • Theoretical study of high photocatalytic performance of Ag 3 PO 4

    Naoto Umezawa;Ouyang Shuxin;Jinhua Ye

  • Formation and Characterization of Hydrogen Boride Sheets Derived from MgB2 by Cation Exchange.

    Hiroaki Nishino;Takeshi Fujita;Nguyen Thanh Cuong;Satoshi Tominaka

  • First-principles studies of the intrinsic effect of nitrogen atoms on reduction in gate leakage current through Hf-based high-k dielectrics

    N. Umezawa;K. Shiraishi;K. Shiraishi;T. Ohno;H. Watanabe;H. Watanabe

  • Photocatalytic Water Splitting under Visible Light by Mixed-Valence Sn3O4

    Maidhily Manikandan;Toyokazu Tanabe;Peng Li;Shigenori Ueda

  • Mesoporous palladium–copper bimetallic electrodes for selective electrocatalytic reduction of aqueous CO2 to CO

    Mu Li;Mu Li;Junjie Wang;Peng Li;Kun Chang

  • Modified Oxygen Vacancy Induced Fermi Level Pinning Model Extendable to P-Metal Pinning

    Yasushi Akasaka;Genji Nakamura;Kenji Shiraishi;Kenji Shiraishi;Naoto Umezawa

  • Theoretical design of highly active SrTiO3-based photocatalysts by a codoping scheme towards solar energy utilization for hydrogen production

    Pakpoom Reunchan;Pakpoom Reunchan;Shuxin Ouyang;Naoto Umezawa;Naoto Umezawa;Naoto Umezawa;Hua Xu

  • Constructing cubic–orthorhombic surface-phase junctions of NaNbO3 towards significant enhancement of CO2 photoreduction

    Peng Li;Hua Xu;Lequan Liu;Tetsuya Kako

  • BaSi2as a promising low-cost, earth-abundant material with large optical activity for thin-film solar cells: A hybrid density functional study

    Mukesh Kumar;Naoto Umezawa;Naoto Umezawa;Naoto Umezawa;Motoharu Imai

  • Gold photosensitized SrTiO3 for visible-light water oxidation induced by Au interband transitions

    Lequan Liu;Peng Li;Boonchun Adisak;Boonchun Adisak;Shuxin Ouyang;Shuxin Ouyang

  • Examining the performance of refractory conductive ceramics as plasmonic materials: a theoretical approach

    Mukesh Kumar;Naoto Umezawa;Satoshi Ishii;Tadaaki Nagao

Frequent Co-Authors

Kenji Shiraishi
Kenji Shiraishi Nagoya University
Toyohiro Chikyow
Toyohiro Chikyow National Institute for Materials Science
Jinhua Ye
Jinhua Ye National Institute for Materials Science
Hideki Abe
Hideki Abe National Institute for Materials Science
Seiichi Miyazaki
Seiichi Miyazaki Hiroshima University
Akira Uedono
Akira Uedono University of Tsukuba
Shuxin Ouyang
Shuxin Ouyang National Institute for Materials Science
Yusuke Yamauchi
Yusuke Yamauchi University of Queensland
Tadaaki Nagao
Tadaaki Nagao National Institute for Materials Science
Hiroshi Iwai
Hiroshi Iwai Tokyo Institute of Technology

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