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Jun-ichi Shimoyama

Jun-ichi Shimoyama

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 63 6171 5971 307 298 558 14408

Jun-ichi Shimoyama publications per year

The chart shows the history of publications by Jun-ichi Shimoyama between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jun-ichi Shimoyama published across 40 years, from 1986 to 2025, averaging 14.5 papers a year. Output peaked at 29 publications in 2001. 3 of the 581 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2001. 1986: 1 publication 1987: 4 publications 1988: 1 publication 1989: 3 publications 1990: 4 publications 1991: 1 publication 1992: 8 publications 1993: 9 publications 1994: 12 publications 1995: 6 publications 1996: 25 publications 1997: 20 publications 1998: 14 publications 1999: 27 publications 2000: 28 publications 2001: 29 publications 2002: 22 publications 2003: 16 publications 2004: 12 publications 2005: 21 publications 2006: 24 publications 2007: 28 publications 2008: 27 publications 2009: 27 publications 2010: 21 publications 2011: 17 publications 2012: 20 publications 2013: 19 publications 2014: 22 publications 2015: 14 publications 2016: 15 publications 2017: 17 publications 2018: 18 publications 2019: 14 publications 2020: 12 publications 2021: 9 publications 2022: 5 publications 2023: 6 publications 2024: 1 publication 2025: 2 publications
1986 2025

581 publications in total across all disciplines

View publications per year as a table
Jun-ichi Shimoyama: publications per year, 1986 to 2025
Year Publications
1986 1
1987 4
1988 1
1989 3
1990 4
1991 1
1992 8
1993 9
1994 12
1995 6
1996 25
1997 20
1998 14
1999 27
2000 28
2001 29
2002 22
2003 16
2004 12
2005 21
2006 24
2007 28
2008 27
2009 27
2010 21
2011 17
2012 20
2013 19
2014 22
2015 14
2016 15
2017 17
2018 18
2019 14
2020 12
2021 9
2022 5
2023 6
2024 1
2025 2
Total 581
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Jun-ichi Shimoyama 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 Jun-ichi Shimoyama 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, 550–569 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: 558 publications — 90th percentile

90% 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
550–569 131 558
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
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
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Jun-ichi Shimoyama 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 Jun-ichi Shimoyama 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, 62–63 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: 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.

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 63
64–65 533
66–67 490
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
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Overview

Jun-ichi Shimoyama is affiliated with Aoyama Gakuin University in Japan, specializing in physics and astronomy with a focus on condensed matter physics. The researcher's work extensively covers subfields including atomic and molecular physics, optics, biomedical engineering, electronic, optical and magnetic materials, and materials chemistry.

The primary areas of study encompass physics of superconductivity and magnetism, superconductivity in MgB2 and alloys, magnetic properties of thin films, superconducting materials and applications, ZnO doping and properties, magnetic and transport properties of perovskites and related materials, and advanced condensed matter physics.

Frequent research collaborators include Takanori Motoki, Yasuaki Takeda, Mirei Semba, Yoshinori Yanagisawa, and Masaya Miwa. This collaboration network reflects persistent joint contributions across multiple projects and publications.

Jun-ichi Shimoyama's research outputs are primarily published in the following venues:

  • IEEE Transactions on Applied Superconductivity
  • Applied Physics Express
  • Superconductor Science and Technology
  • Ceramics International
  • IEEJ Transactions on Electrical and Electronic Engineering

Selected recent papers include:

  • Hoop Stress Modification, Stress Hysteresis and Degradation of a REBCO Coil Due to the Screening Current Under External Magnetic Field Cycling, 2020, IEEE Transactions on Applied Superconductivity
  • Development of Homogeneous and High-Performance REBCO Bulks with Various Shapes by the Single-Direction Melt Growth (SDMG) Method, 2022, Superconductor Science and Technology
  • Fabrication of High-Performance YBa2Cu3Oy Melt-Textured Bulks with Selective Grain Growth, 2020, Applied Physics Express
  • Microstructure of DyBCO Bulk Superconductors Prepared Using Single-Direction Melt-Growth (SDMG) Method, 2023, Ceramics International
  • Direct Fabrication of High-Quality Ring-Shaped REBa2Cu3Oy Bulk Magnets by the Single-Direction Melt Growth (SDMG) Method, 2023, Applied Physics Express

Best Publications

  • Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors.

    A. Lanzara;P.V. Bogdanov;X.J. Zhou;S.A. Kellar

  • Insulator-to-Metal Crossover in the Normal State of La 2 − x Sr x CuO 4 Near Optimum Doping

    G. S. Boebinger;Yoichi Ando;A. Passner;T. Kimura

  • Determination of Oxygen Nonstoichiometry in a High-Tc Superconductor Ba2YCu3O7-δ

    Kohji Kishio;Jun-ichi Shimoyama;Tetsuya Hasegawa;Koichi Kitazawa

  • Evidence for an Energy Scale for Quasiparticle Dispersion in Bi 2 Sr 2 CaCu 2 O 8

    P. V. Bogdanov;A. Lanzara;A. Lanzara;S. A. Kellar;X. J. Zhou

  • Signature of Superfluid Density in the Single-Particle Excitation Spectrum of Bi2Sr2CaCu2O8+δ

    D. L. Feng;D. H. Lu;K. M. Shen;C. Kim

  • Bilayer Splitting in the Electronic Structure of Heavily Overdoped Bi 2 Sr 2 CaCu 2 O 8 + δ

    D. L. Feng;N. P. Armitage;D. H. Lu;A. Damascelli

  • High Critical-Current Density in the Heavily Pb-Doped Bi2Sr2CaCu2O8+δ Superconductor: Generation of Efficient Pinning Centers

    I. Chong;Z. Hiroi;Z. Hiroi;M. Izumi;M. Izumi;J. Shimoyama;J. Shimoyama

  • Effects of B4C doping on critical current properties of MgB2 superconductor

    Akiyasu Yamamoto;Jun-ichi Shimoyama;Shinya Ueda;Isao Iwayama

  • Observation of individual vortices trapped along columnar defects in high-temperature superconductors

    A. Tonomura;H. Kasai;O. Kamimura;T. Matsuda

  • Resistive upper critical fields and irreversibility lines of optimally doped high- T c cuprates

    Yoichi Ando;Yoichi Ando;Gregory S. Boebinger;A. Passner;Lynn Schneemeyer

  • Limiting factors of normal-state conductivity in superconducting MgB2: an application of mean-field theory for a site percolation problem

    Akiyasu Yamamoto;Jun-ichi Shimoyama;Kohji Kishio;Teruo Matsushita

  • Improved critical current properties observed in MgB2 bulks synthesized by low-temperature solid-state reaction

    Akiyasu Yamamoto;Jun-ichi Shimoyama;Shinya Ueda;Yukari Katsura

  • Pseudogap behavior in single-crystal Bi 2 Sr 2 CaCu 2 O 8+δ probed by Cu NMR

    K. Ishida;K. Yoshida;T. Mito;Y. Tokunaga

  • Systematic decrease of resistivity anisotropy in Bi 2 Sr 2 CaCu 2 O y by Pb doping

    T. Motohashi;Y. Nakayama;T. Fujita;K. Kitazawa

  • Abrupt change of josephson plasma frequency at the phase boundary of the bragg glass in Bi(2)Sr(2)CaCu(2)O(8+delta)

    M. B. Gaifullin;Yuji Matsuda;N. Chikumoto;J. Shimoyama

  • Discovery of New Layered Iron Arsenide Superconductor (Ca,Pr)FeAs2

    Hiroyuki Yakita;Hiraku Ogino;Tomoyuki Okada;Akiyasu Yamamoto

  • Thermoelectric properties of highly grain-aligned and densified Co-based oxide ceramics

    Yuqin Zhou;Ichiro Matsubara;Shigeru Horii;Tomonari Takeuchi

  • A new layered iron arsenide superconductor: (Ca,Pr)FeAs2.

    Hiroyuki Yakita;Hiraku Ogino;Tomoyuki Okada;Akiyasu Yamamoto

  • Electronic structure of the trilayer cuprate superconductor Bi(2)Sr(2)Ca(2)Cu(3)O(10+delta).

    D. L. Feng;A. Damascelli;K. M. Shen;N. Motoyama

  • A new mercury-based superconductor: (Hg, Cr)Sr2CuOy

    J. Shimoyama;S. Hahakura;K. Kitazawa;K. Yamafuji

  • First Homologous Series of Iron Pnictide Oxide Superconductors (Fe2As2)(Can+1(Sc,Ti)nOy) [n = 3,4,5] with Extremely Thick Blocking Layers

    Hiraku Ogino;Shinya Sato;Kohji Kishio;Jun-ichi Shimoyama

  • Homologous series of iron pnictide oxide superconductors (Fe2As2)[Can+1(Sc,Ti)nOy] (n=3,4,5) with extremely thick blocking layers

    Hiraku Ogino;Shinya Sato;Kohji Kishio;Jun Ichi Shimoyama

Frequent Co-Authors

Kohji Kishio
Kohji Kishio University of Tokyo
Hiroshi Eisaki
Hiroshi Eisaki National Institute of Advanced Industrial Science and Technology
Yoshio Sakka
Yoshio Sakka National Institute for Materials Science
Hitoshi Kitaguchi
Hitoshi Kitaguchi National Institute for Materials Science
Tetsuya Hasegawa
Tetsuya Hasegawa University of Tokyo
Donghui Lu
Donghui Lu SLAC National Accelerator Laboratory
Yuji Matsuda
Yuji Matsuda Kyoto University
Hideomi Koinuma
Hideomi Koinuma Tokyo Institute of Technology
Yuichi Ikuhara
Yuichi Ikuhara University of Tokyo
Ryoji Funahashi
Ryoji Funahashi National Institute of Advanced Industrial Science and Technology

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