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D-Index & Metrics

Materials Science

D-Index
49
Citations
11581
World Ranking
10410
National Ranking
642

Morito Akiyama 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 Morito Akiyama 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: 200 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Morito Akiyama 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 Morito Akiyama 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: 49 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Morito Akiyama is affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their research predominantly focuses on engineering and materials science, with specific contributions to biomedical engineering, materials chemistry, condensed matter physics, mechanics of materials, and electrical and electronic engineering.

The scientist has been involved extensively in the study of acoustic wave resonator technologies and ferroelectric and piezoelectric materials. Additional research topics include GaN-based semiconductor devices and materials, metal and thin film mechanics, semiconductor materials and devices, MXene and MAX phase materials, as well as ferroelectric and negative capacitance devices.

Akiyama's work has been published frequently in the following venues:

  • Journal of Applied Physics
  • Journal of the Ceramic Society of Japan
  • Applied Physics Express
  • Applied Physics Letters
  • ACS Applied Electronic Materials

Frequent coauthors collaborating with Akiyama include:

  • Masato Uehara
  • Hiroshi Yamada
  • Kenji Hirata
  • Sri Ayu Anggraini
  • Hiroshi Funakubo

Recent significant publications authored or coauthored by Akiyama include:

  • "Effects of deposition conditions on the ferroelectric properties of (Al1−xScx)N thin films," 2020, Journal of Applied Physics
  • "First-principles calculations of spontaneous polarization in ScAlN," 2021, Journal of Applied Physics
  • "Thickness scaling of (Al0.8Sc0.2)N films with remanent polarization beyond 100 μC cm−2 around 10 nm in thickness," 2021, Applied Physics Express
  • "Polarity Inversion of Aluminum Nitride Thin Films by using Si and MgSi Dopants," 2020, Scientific Reports
  • "Demonstration of ferroelectricity in ScGaN thin film using sputtering method," 2021, Applied Physics Letters

Best Publications

  • Enhancement of Piezoelectric Response in Scandium Aluminum Nitride Alloy Thin Films Prepared by Dual Reactive Cosputtering

    Morito Akiyama;Toshihiro Kamohara;Kazuhiko Kano;Akihiko Teshigahara

  • Enhanced Photovoltaic Response in Lead Lanthanum Zirconate-Titanate Ceramics with A-Site Deficient Composition for Photostrictor Application

    Kazuhiro Nonaka;Morito Akiyama;Chao-Nan Xu;Tsuyoshi Hagio

  • Direct view of stress distribution in solid by mechanoluminescence

    Chao-Nan Xu;Tadahiko Watanabe;Morito Akiyama;Xu-Guang Zheng

  • Artificial skin to sense mechanical stress by visible light emission

    C. N. Xu;T. Watanabe;M. Akiyama;X. G. Zheng

  • Influence of growth temperature and scandium concentration on piezoelectric response of scandium aluminum nitride alloy thin films

    Morito Akiyama;Kazuhiko Kano;Akihiko Teshigahara

  • Effect of the thickness of the Pt film coated on a counter electrode on the performance of a dye-sensitized solar cell

    Xiaoming Fang;Tingli Ma;Guoqing Guan;Morito Akiyama

  • High-efficiency dye-sensitized solar cell based on a nitrogen-doped nanostructured titania electrode.

    Tingli Ma;Morito Akiyama;Eiichi Abe;Isao Imai

  • Tungsten Oxide-Based Semiconductor Sensor Highly Sensitive to NO and NO2

    Morito Akiyama;Jun Tamaki;Norio Miura;Noboru Yamazoe

  • Grain‐Size Effects in Tungsten Oxide‐Based Sensor for Nitrogen Oxides

    J. Tamaki;Z. Zhang;K. Fujimori;M. Akiyama

  • Dynamic visualization of stress distribution by mechanoluminescence image

    Chao-Nan Xu;Xu-Guang Zheng;Morito Akiyama;Kazuhiro Nonaka

  • Properties of several types of novel counter electrodes for dye-sensitized solar cells

    Tingli Ma;Xiaoming Fang;Morito Akiyama;Kozo Inoue

  • Effects of deposition conditions on the ferroelectric properties of (Al1−xScx)N thin films

    Shinnosuke Yasuoka;Takao Shimizu;Takao Shimizu;Akinori Tateyama;Masato Uehara

  • Influence of scandium concentration on power generation figure of merit of scandium aluminum nitride thin films

    Morito Akiyama;Keiichi Umeda;Atsushi Honda;Toshimi Nagase

  • Flexible counter electrodes based on metal sheet and polymer film for dye-sensitized solar cells

    Xiaoming Fang;Xiaoming Fang;Tingli Ma;Morito Akiyama;Guoqing Guan

  • Flexible piezoelectric pressure sensors using oriented aluminum nitride thin films prepared on polyethylene terephthalate films

    Morito Akiyama;Yukari Morofuji;Toshihiro Kamohara;Keiko Nishikubo

  • Preparation and characteristics of highly triboluminescent ZnS film

    C.N Xu;T Watanabe;M Akiyama;X.G Zheng

  • Performances characteristics of dye-sensitized solar cells based on counter electrodes with Pt films of different thickness

    Xiaoming Fang;Xiaoming Fang;Tingli Ma;Guoqing Guan;Morito Akiyama

  • Piezoelectric thin film, piezoelectric material, and fabrication method of piezoelectric thin film and piezoelectric material, and piezoelectric resonator, actuator element, and physical sensor using piezoelectric thin film

    Morito Akiyama;Toshihiro Kamohara;Naohiro Ueno;Kazuhiko Kano

  • Film bulk acoustic resonator

    Tetsuo Yamada;Keigo Nagao;Chisen Hashimoto;Morito Akiyama

  • Intense visible light emission from Sr3Al2O6:Eu,Dy

    Morito Akiyama;Chao-nan Xu;Kazuhiro Nonaka;Tadahiko Watanabe

Frequent Co-Authors

Chao-Nan Xu
Chao-Nan Xu National Institute of Advanced Industrial Science and Technology
Yun Liu
Yun Liu Australian National University
Tingli Ma
Tingli Ma China Jiliang University
Guoqing Guan
Guoqing Guan Hirosaki University
Tetsuya Kida
Tetsuya Kida Kumamoto University
Hiroshi Funakubo
Hiroshi Funakubo Tokyo Institute of Technology
Noboru Yamazoe
Noboru Yamazoe Kyushu University
Takao Shimizu
Takao Shimizu University of Tokyo
Hiroo Kagami
Hiroo Kagami Niigata University
Norio Miura
Norio Miura Kyushu University

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