World's Best Scientists 2026 revealed!
Takafumi Yao

Takafumi Yao

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 66 5238 5066 254 249 777 23237

Takafumi Yao publications per year

The chart shows the history of publications by Takafumi Yao between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takafumi Yao published across 54 years, from 1973 to 2026, averaging 14.9 papers a year. Output peaked at 56 publications in 2004. 14 of the 807 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 56. Peak 56 publications in 2004. 1973: 1 publication 1974: 0 publications 1975: 1 publication 1976: 1 publication 1977: 1 publication 1978: 1 publication 1979: 2 publications 1980: 0 publications 1981: 2 publications 1982: 1 publication 1983: 5 publications 1984: 6 publications 1985: 10 publications 1986: 10 publications 1987: 12 publications 1988: 9 publications 1989: 11 publications 1990: 5 publications 1991: 5 publications 1992: 13 publications 1993: 17 publications 1994: 19 publications 1995: 14 publications 1996: 20 publications 1997: 40 publications 1998: 42 publications 1999: 27 publications 2000: 53 publications 2001: 45 publications 2002: 53 publications 2003: 37 publications 2004: 56 publications 2005: 31 publications 2006: 40 publications 2007: 32 publications 2008: 41 publications 2009: 35 publications 2010: 26 publications 2011: 23 publications 2012: 20 publications 2013: 11 publications 2014: 2 publications 2015: 3 publications 2016: 2 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 1 publication 2022: 1 publication 2023: 1 publication 2024: 5 publications 2025: 13 publications 2026: 1 publication
1973 2026

807 publications in total across all disciplines

View publications per year as a table
Takafumi Yao: publications per year, 1973 to 2026
Year Publications
1973 1
1974 0
1975 1
1976 1
1977 1
1978 1
1979 2
1980 0
1981 2
1982 1
1983 5
1984 6
1985 10
1986 10
1987 12
1988 9
1989 11
1990 5
1991 5
1992 13
1993 17
1994 19
1995 14
1996 20
1997 40
1998 42
1999 27
2000 53
2001 45
2002 53
2003 37
2004 56
2005 31
2006 40
2007 32
2008 41
2009 35
2010 26
2011 23
2012 20
2013 11
2014 2
2015 3
2016 2
2017 0
2018 0
2019 0
2020 0
2021 1
2022 1
2023 1
2024 5
2025 13
2026 1
Total 807
Download as CSV

Takafumi Yao 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 Takafumi Yao sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 770–789 publications, is where this scientist sits. 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
50–69 publications 1,163+

This scientist: 777 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43 777
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
Download as CSV

Takafumi Yao 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 Takafumi Yao sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 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
40–41 D-Index 165+

This scientist: 66 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490 66
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
Download as CSV

Overview

Takafumi Yao is affiliated with Tohoku University in Japan, conducting research primarily in the fields of Engineering and Materials Science. Their work spans multiple subfields including Electrical and Electronic Engineering, Materials Chemistry, Atomic and Molecular Physics and Optics, Mechanical Engineering, and Polymers and Plastics.

The main topics of Takafumi Yao's research encompass:

  • High Entropy Alloys Studies
  • Advanced Fiber Laser Technologies
  • Proteins in Food Systems
  • High-Temperature Coating Behaviors
  • Perovskite Materials and Applications
  • Conducting Polymers and Applications
  • Quantum Dots Synthesis And Properties

The scientist has published papers in various journals and conferences. Frequent publication venues include:

  • SSRN Electronic Journal
  • Applied Surface Science
  • arXiv (Cornell University)
  • Food Chemistry
  • Ceramics International

Recent publications by Takafumi Yao include:

  • Composition design, thermodynamic calculation and synthesis of rocksalt structure Mg-Co-Ni-Cu-Zn-O HEOs based on cluster-plus-glue-atom model, 2024, Ceramics International
  • Preliminary exploration of the influence of N+/NH+ ions/groups bombardment at TiO2 ETLs on performance of MAPbI3 perovskite solar cells, 2023, Applied Surface Science
  • Reaching medium entropy oxides with rocksalt structure based on cluster-plus-glue-atom model: A case study of Co-Ni-Cu-Zn-O system with tunable optoelectrical properties, 2024, Journal of Solid State Chemistry
  • Energy band structure perturbation induced deviation on precise ultrafast laser nano-structuring, 2024, Materials Today Physics
  • Mode-locked cylindrical vector vortex beam unlocked the generation of a 2 µm multidimensional ultrafast laser, 2025, Optics Express

Takafumi Yao collaborates frequently with several researchers, including:

  • Shimin Liu
  • Weiwei Jiang
  • Chuang Dong
  • Wanyu Ding
  • Hualin Wang

Best Publications

  • Optically pumped lasing of ZnO at room temperature

    D. M. Bagnall;Y. F. Chen;Z. Zhu;T. Yao

  • Plasma assisted molecular beam epitaxy of ZnO on c -plane sapphire: Growth and characterization

    Yefan Chen;D. M. Bagnall;Hang Jun Koh;Ki Tae Park

  • High temperature excitonic stimulated emission from ZnO epitaxial layers

    D. M. Bagnall;Y. F. Chen;Z. Zhu;T. Yao

  • ZnO as a novel photonic material for the UV region

    Yefan Chen;Darren Bagnall;Takafumi Yao

  • Room temperature excitonic stimulated emission from zinc oxide epilayers grown by plasma-assisted MBE

    D.M. Bagnall;Y.F. Chen;M.Y. Shen;Z. Zhu

  • Ga-Doped ZnO Films Grown on GaN Templates by Plasma-Assisted Molecular-Beam Epitaxy

    H. J. Ko;Yanfang F. Chen;S. K. Hong;H. Wenisch

  • Layer-by-layer growth of ZnO epilayer on Al2O3(0001) by using a MgO buffer layer

    Yefan Chen;Hang-Ju Ko;Soon-Ku Hong;Takafumi Yao

  • Growth of ZnO single crystal thin films on c-plane (0 0 0 1) sapphire by plasma enhanced molecular beam epitaxy

    Yefan Chen;D.M. Bagnall;Ziqiang Zhu;Takashi Sekiuchi

  • Photoluminescence properties of ZnO epilayers grown on CaF2(111) by plasma assisted molecular beam epitaxy

    H. J. Ko;Y. F. Chen;Z. Zhu;T. Yao

  • Stimulated emission and optical gain in ZnO epilayers grown by plasma-assisted molecular-beam epitaxy with buffers

    Yefan Chen;N. T. Tuan;Yusaburo Segawa;Hang-ju Ko

  • Correlation between grain size and optical properties in zinc oxide thin films

    Takahiro Matsumoto;Hiroyuki Kato;Kazuhiro Miyamoto;Michihiro Sano

  • Growth and characterization of Ga-doped ZnO layers on a-plane sapphire substrates grown by molecular beam epitaxy

    Hiroyuki Kato;Michihiro Sano;Kazuhiro Miyamoto;Takafumi Yao

  • Highly-bright white organic light-emitting diodes based on a single emission layer

    C. H. Chuen;Y. T. Tao

  • Design and evaluation of omnidirectional one-dimensional photonic crystals

    Hyun-Yong Lee;Takafumi Yao

  • Origin of forward leakage current in GaN-based light-emitting devices

    S. W. Lee;D. C. Oh;H. Goto;J. S. Ha

  • Band alignment at a ZnO/GaN (0001) heterointerface

    Soon Ku Hong;Takashi Hanada;Hisao Makino;Yefan Chen

  • The effect of lattice deformation on optical properties and lattice parameters of ZnSe grown on (100)GaAs

    Takafumi Yao;Yasumasa Okada;Susumu Matsui;Kohtaro Ishida

  • Biexciton emission from high-quality ZnO films grown on epitaxial GaN by plasma-assisted molecular-beam epitaxy

    H. J. Ko;Y. F. Chen;T. Yao;Kensuke Miyajima

  • Polarity control of ZnO on sapphire by varying the MgO buffer layer thickness

    Hiroyuki Kato;Kazuhiro Miyamoto;Michihiro Sano;Takafumi Yao

  • Dynamics of photoexcited carriers in ZnO epitaxial thin films

    Aishi Yamamoto;Takeo Kido;Takenari Goto;Yefan Chen

  • Growth process in atomic layer epitaxy of Zn chalcogenide single crystalline films on (100)GaAs

    Unknown

Frequent Co-Authors

Ziqiang Zhu
Ziqiang Zhu East China Normal University
Tsutomu Minegishi
Tsutomu Minegishi University of Tokyo
Takashi Sekiguchi
Takashi Sekiguchi University of Tsukuba
Jeong Yong Lee
Jeong Yong Lee Korea Advanced Institute of Science and Technology
Keisuke Kobayashi
Keisuke Kobayashi Japan Atomic Energy Agency
Yoshiyuki Kawazoe
Yoshiyuki Kawazoe Tohoku University
Tsuguo Fukuda
Tsuguo Fukuda Tohoku University
Hiroyuki Kato
Hiroyuki Kato Massachusetts General Hospital
Shik Shin
Shik Shin University of Tokyo

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Takafumi Yao

Trending Scientists

Recently Published Articles