World's Best Scientists 2026 revealed!
Sumio Iijima

Sumio Iijima

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Materials Science
Japan
2026

D-Index & Metrics

Materials Science

D-Index
133
Citations
154625
World Ranking
297
National Ranking
10

Sumio Iijima 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 Sumio Iijima 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: 753 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Sumio Iijima 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 Sumio Iijima 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: 133 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Materials Science in Japan Leader Award
  • 2025 - Research.com Materials Science in Japan Leader Award
  • 2023 - Research.com Materials Science in Japan Leader Award
  • 2022 - Research.com Materials Science in Japan Leader Award
  • 2009 - Fellow of the Mineralogical Society of America
  • 2007 - Member of the National Academy of Sciences
  • 2007 - Gregori Aminoff Prize, Royal Swedish Academy of Sciences for his structural studies of carbon nanotubes
  • 2005 - Distinguished Scientist Award, Mineralogical Society of America
  • 2002 - Benjamin Franklin Medal, Franklin Institute
  • 2000 - Fellow of American Physical Society (APS) Citation For the discovery of carbon nanotube and promotion of its research and development
  • 1985 - Nishina Memorial Prize
  • Foreign Member, Chinese Academy of Sciences
  • Foreign Member, Chinese Academy of Sciences
  • Foreign Member, Chinese Academy of Sciences
  • Foreign Member, Chinese Academy of Sciences
  • Foreign Member, Chinese Academy of Sciences

Overview

Sumio Iijima is affiliated with Meijo University in Japan, with research primarily focused on materials science and engineering. Their work involves various subfields including materials chemistry, electrical and electronic engineering, biomedical engineering, nutrition and dietetics, and pulmonary and respiratory medicine.

The main topics in their research include:

  • Carbon Nanotubes in Composites
  • Graphene research and applications
  • Diamond and Carbon-based Materials Research
  • Advancements in Battery Materials
  • Electronic and Structural Properties of Oxides
  • Semiconductor materials and devices
  • Bone Tissue Engineering Materials

Recent papers authored or co-authored by Sumio Iijima cover a range of topics and publication venues:

  • Atomic resolution imaging of cation ordering in niobium-tungsten complex oxides, 2021, Communications Materials
  • Atomic-resolution STEM-EDS studies of cation ordering in Ti-Nb oxide crystals, 2021, Scientific Reports
  • Vertically aligned growth of small-diameter single-walled carbon nanotubes by alcohol catalytic chemical vapor deposition with Ir catalyst, 2020, Applied Surface Science
  • Carbon nanohorn coating by electrodeposition accelerate bone formation on titanium implant, 2021, Artificial Cells Nanomedicine and Biotechnology
  • Vertically Aligned, Small-diameter Single-walled Carbon Nanotube Growth from Ir Catalysts, 2020, Vacuum and Surface Science

Frequent co-authors collaborating with Sumio Iijima include:

  • Takahiro Maruyama
  • Takuya Okada
  • Kamal Sharma
  • Tomoko Suzuki
  • Takahiro Saida

The publication venues where Sumio Iijima's research appears most often include:

  • Applied Surface Science
  • Communications Materials
  • Artificial Cells Nanomedicine and Biotechnology
  • Scientific Reports
  • Vacuum and Surface Science

Throughout their career, Sumio Iijima has received several awards and honors including:

  • Fellow of the Mineralogical Society of America (2009)
  • Gregori Aminoff Prize, Royal Swedish Academy of Sciences (2007) for structural studies of carbon nanotubes
  • Member of the National Academy of Sciences (2007)
  • Distinguished Scientist Award, Mineralogical Society of America (2005)
  • Benjamin Franklin Medal, Franklin Institute (2002)
  • Fellow of American Physical Society (APS) (2000) for the discovery of carbon nanotube and promotion of its research and development
  • Nishina Memorial Prize (1985)
  • Foreign Member, Chinese Academy of Sciences

Best Publications

  • Helical microtubules of graphitic carbon

    Sumio Iijima

  • Single-shell carbon nanotubes of 1-nm diameter

    Sumio Iijima;Toshinari Ichihashi

  • Roll-to-roll production of 30-inch graphene films for transparent electrodes

    Sukang Bae;Hyeongkeun Kim;Youngbin Lee;Xiangfan Xu

  • Gold catalysts prepared by coprecipitation for low-temperature oxidation of hydrogen and of carbon monoxide

    M. Haruta;N. Yamada;T. Kobayashi;S. Iijima

  • Water-Assisted Highly Efficient Synthesis of Impurity-Free Single-Walled Carbon Nanotubes

    Kenji Hata;Don N. Futaba;Kohei Mizuno;Tatsunori Namai

  • Shape-engineerable and highly densely packed single-walled carbon nanotubes and their application as super-capacitor electrodes

    Don N. Futaba;Kenji Hata;Takeo Yamada;Tatsuki Hiraoka

  • Direct evidence for atomic defects in graphene layers

    Ayako Hashimoto;Kazu Suenaga;Alexandre Gloter;Alexandre Gloter;Koki Urita;Koki Urita

  • Structural flexibility of carbon nanotubes

    Sumio Iijima;Charles Brabec;Amitesh Maiti;Jerzy Bernholc

  • Opening carbon nanotubes with oxygen and implications for filling

    P. M. Ajayan;T. W. Ebbesen;T. Ichihashi;S. Iijima

  • Nano-aggregates of single-walled graphitic carbon nano-horns

    S. Iijima;M. Yudasaka;R. Yamada;S. Bandow

  • Fabrication of a freestanding boron nitride single layer and its defect assignments.

    Chuanhong Jin;Chuanhong Jin;Fang Lin;Kazu Suenaga;Sumio Iijima;Sumio Iijima

  • Carbon nanotubes: past, present, and future

    Sumio Iijima

  • Raman scattering study of double-wall carbon nanotubes derived from the chains of fullerenes in single-wall carbon nanotubes

    S. Bandow;M. Takizawa;K. Hirahara;M. Yudasaka

  • Direct observation of the tetrahedral bonding in graphitized carbon black by high resolution electron microscopy

    Sumio Iijima

  • Structural instability of ultrafine particles of metals.

    Sumio Iijima;Toshinari Ichihashi

  • Deriving carbon atomic chains from graphene.

    Chuanhong Jin;Chuanhong Jin;Haiping Lan;Lianmao Peng;Kazu Suenaga

  • Open and closed edges of graphene layers.

    Zheng Liu;Kazu Suenaga;Peter J. F. Harris;Sumio Iijima

  • Coaxial Nanocable: Silicon Carbide and Silicon Oxide Sheathed with Boron Nitride and Carbon

    Y. Zhang;K. Suenaga;C. Colliex;S. Iijima

  • Extracting the full potential of single-walled carbon nanotubes as durable supercapacitor electrodes operable at 4 V with high power and energy density.

    Ali Izadi-Najafabadi;Satoshi Yasuda;Kazufumi Kobashi;Takeo Yamada

  • One-dimensional metallofullerene crystal generated inside single-walled carbon nanotubes.

    K. Hirahara;K. Suenaga;S. Bandow;H. Kato

Frequent Co-Authors

Masako Yudasaka
Masako Yudasaka National Institute of Advanced Industrial Science and Technology
Shunji Bandow
Shunji Bandow Meijo University
Kazu Suenaga
Kazu Suenaga Osaka University
Katsumi Kaneko
Katsumi Kaneko Shinshu University
Motoo Yumura
Motoo Yumura National Institute of Advanced Industrial Science and Technology
Yoshimi Kubo
Yoshimi Kubo National Institute for Materials Science
Jin Miyawaki
Jin Miyawaki Kyushu University
Toshiya Okazaki
Toshiya Okazaki National Institute of Advanced Industrial Science and Technology
Hirofumi Kanoh
Hirofumi Kanoh Chiba University
Kenji Hata
Kenji Hata National Institute of Advanced Industrial Science and Technology

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