World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
53
Citations
10192
World Ranking
13066
National Ranking
3446

Hiroshi Yokoyama publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Hiroshi Yokoyama sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 390 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Hiroshi Yokoyama D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Hiroshi Yokoyama sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 53 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Hiroshi Yokoyama is a researcher affiliated with Kent State University in the United States. Their research spans multiple areas within physics and materials science, particularly focusing on electronic, optical, and magnetic materials as well as atomic and molecular physics and optics.

Their recent scholarly contributions include papers published between 2020 and 2024 across various scientific journals. These papers are:

  • Synthesis and Characterization of Novel Bio-Chiral Dopants Obtained from Bio-Betulin Produced by a Fermentation Process, 2021, Crystals
  • Frank-Read Mechanism in Nematic Liquid Crystals, 2024, Physical Review X
  • Rapid thickness mapping of free-standing smectic films using colour information of reflected light, 2020, Liquid Crystals
  • FIELD SURVER OF ICE JAM IN MARCH 2020 AND EVALUATION OF ICE JAM OCCURANCE RISK, 2020, Journal of Japan Society of Civil Engineers Ser B1 (Hydraulic Engineering)
  • Photoinduced Charge Behaviors in Liquid Crystal Mixtures, 2020, Proceedings of the International Display Workshops

Their work is closely connected to several research topics, which consist of:

  • Liquid Crystal Research Advancements
  • Natural product bioactivities and synthesis
  • Phytochemistry and Biological Activities
  • Plant biochemistry and biosynthesis
  • Micro and Nano Robotics
  • Nonlinear Dynamics and Pattern Formation
  • Ocular Surface and Contact Lens

Yokoyama collaborates frequently with other scientists including Matthew J. Deutsch, Christopher Culbreath, Jonathan V. Selinger, Robin L. B. Selinger, and Veridiana Garcia Guimarães. These collaborations appear notably in their shared publication history.

Their publications appear in venues such as:

  • Liquid Crystals
  • Crystals
  • Physical Review X
  • Journal of Japan Society of Civil Engineers Ser B1 (Hydraulic Engineering)
  • Proceedings of the International Display Workshops

Yokoyama's research integrates multiple scientific disciplines, demonstrating expertise in both core physics areas and interdisciplinary topics related to materials science and biological processes.

Best Publications

  • A novel method for determining the anchoring energy function at a nematic liquid crystal‐wall interface from director distortions at high fields

    H. Yokoyama;H. A. van Sprang

  • Tristable nematic liquid-crystal device using micropatterned surface alignment

    Jong-Hyun Kim;Makoto Yoneya;Hiroshi Yokoyama

  • Role of space charge in scanned probe oxidation

    J. A. Dagata;T. Inoue;J. Itoh;K. Matsumoto

  • Surface Anchoring of Nematic Liquid Crystals

    H. Yokoyama

  • Direct observation of anisotropic interparticle forces in nematic colloids with optical tweezers

    Makoto Yada;Jun Yamamoto;Hiroshi Yokoyama

  • Temperature-sensitive photoluminescence of CdSe quantum dot clusters.

    Vasudevanpillai Biju;Yoji Makita;Akinari Sonoda;Hiroshi Yokoyama

  • Temperature dependence of the anchoring strength at a nematic liquid crystal‐evaporated SiO interface

    H. Yokoyama;S. Kobayashi;H. Kamei

  • Surface alignment bistability of nematic liquid crystals by orientationally frustrated surface patterns

    Jong-Hyun Kim;Makoto Yoneya;Jun Yamamoto;Hiroshi Yokoyama

  • Understanding scanned probe oxidation of silicon

    John A. Dagata;T Inoue;J Itoh;H Yokoyama

  • Symmetry breaking and interaction of colloidal particles in nematic liquid crystals.

    B. I. Lev;S. B. Chernyshuk;P. M. Tomchuk;H. Yokoyama

  • Nitrogen removal from animal waste treatment water by anammox enrichment.

    Miyoko Waki;Takaaki Tokutomi;Hiroshi Yokoyama;Yasuo Tanaka

  • Scanning maxwell stress microscope for nanometre-scale surface electrostatic imaging of thin films

    Hiroshi Yokoyama;Takahito Inoue

  • Coherent collective precession of molecular rotors with chiral propellers

    Yuka Tabe;Hiroshi Yokoyama

  • Predictive model for scanned probe oxidation kinetics

    John A. Dagata;F Perez-murano;G Abadal;K Morimoto

  • SAFETY OF GADOLINIUM CONTRAST AGENT IN HEMODIALYSIS PATIENTS

    S. Okada;K. Katagiri;T. Kumazaki;H. Yokoyama

  • Photo-initiated addition of diphenyl diselenide to allenes

    Akiya Ogawa;Kazuyuki Yokoyama;Hiroshi Yokoyama;Masahito Sekiguchi

  • Surface-groove-induced azimuthal anchoring of a nematic liquid crystal: Berreman's model reexamined.

    Jun-ichi Fukuda;Makoto Yoneya;Hiroshi Yokoyama

  • Interaction between two spherical particles in a nematic liquid crystal.

    Jun Ichi Fukuda;Holger Stark;Makoto Yoneya;Hiroshi Yokoyama

  • Current, charge, and capacitance during scanning probe oxidation of silicon. I. Maximum charge density and lateral diffusion

    J. A. Dagata;F. Perez-Murano;C. Martin;H. Kuramochi

  • Structure of Hydrogen-Bonded Clusters of 7-Azaindole Studied by IR Dip Spectroscopy and ab Initio Molecular Orbital Calculation

    Hiroshi Yokoyama;Hidekazu Wantanabe;Takuichiro Omi;Shun-ichi Ishiuchi

  • Continuous anchoring transition in liquid crystals

    J. S. Patel;Hiroshi Yokoyama

Frequent Co-Authors

John W. Goodby
John W. Goodby University of York
Francesc Pérez-Murano
Francesc Pérez-Murano Spanish National Research Council
Tetsuya Yanagida
Tetsuya Yanagida Yamaguchi University
Shunsuke Kobayashi
Shunsuke Kobayashi Sanyo-Onoda City University
Yoichi Takanishi
Yoichi Takanishi Kyoto University
Hideo Takezoe
Hideo Takezoe Tokyo Institute of Technology
Kazuo Akagi
Kazuo Akagi Ritsumeikan University
Mischa Bonn
Mischa Bonn Max Planck Institute for Polymer Research
Hitoshi Kurumizaka
Hitoshi Kurumizaka University of Tokyo
Ken Ishikawa
Ken Ishikawa Tokyo Institute of Technology

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