World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
68
Citations
23066
World Ranking
4757
National Ranking
175

Engineering and Technology

D-Index
66
Citations
21871
World Ranking
1380
National Ranking
19

Ji Hyun Kim publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Ji Hyun Kim sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 570 publications — 96th percentile

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

The last bar groups every scientist with 804 publications or more.

Ji Hyun Kim D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Ji Hyun Kim sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 66 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Ji Hyun Kim is affiliated with Seoul National University in South Korea and has an extensive publication record in the fields of Materials Science and Engineering. Their research focuses primarily on semiconductor materials and devices, with significant contributions to the study of gallium oxide (Ga2O3) and related materials as well as zinc oxide (ZnO) doping and properties. Other key topics include advanced photocatalysis techniques, 2D materials and applications, MXene and MAX phase materials, advanced memory and neural computing, and semiconductor materials and devices.

The scientist has published extensively in several journals, frequently contributing to:

  • ECS Journal of Solid State Science and Technology
  • ECS Meeting Abstracts
  • Small
  • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • ACS Applied Materials & Interfaces

Ji Hyun Kim has collaborated regularly with prominent coauthors in their field, such as S. J. Pearton, F. Ren, Dongryul Lee, Jinho Bae, and Dong-Gyu Lee. These collaborations reflect a broad engagement with the materials science and semiconductor research community.

Key recent papers authored or coauthored by Ji Hyun Kim include:

  • Artificial Neuron and Synapse Devices Based on 2D Materials, 2021, Small
  • Review-Radiation Damage in Wide and Ultra-Wide Bandgap Semiconductors, 2021, ECS Journal of Solid State Science and Technology
  • Deep level defect states in β-, α-, and ɛ-Ga2O3 crystals and films: Impact on device performance, 2022, Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • Monolithically Integrated Enhancement-Mode and Depletion-Mode β-Ga2O3 MESFETs with Graphene-Gate Architectures and Their Logic Applications, 2020, ACS Applied Materials & Interfaces
  • Highly selective ozone-treated β-Ga2O3 solar-blind deep-UV photodetectors, 2020, Applied Physics Letters

Their work spans multiple subfields including Materials Chemistry, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Renewable Energy, Sustainability and the Environment, and Biomedical Engineering. This indicates a multidisciplinary approach integrating chemistry, physics, and engineering principles toward functional materials and device applications.

Best Publications

  • A review of Ga2O3 materials, processing, and devices

    S. J. Pearton;Jiancheng Yang;Patrick H. Cary;F. Ren

  • A benchmark study on the thermal conductivity of nanofluids

    Jacopo Buongiorno;David C. Venerus;Naveen Prabhat;Thomas McKrell

  • Wide band gap ferromagnetic semiconductors and oxides

    S. J. Pearton;C. R. Abernathy;M. E. Overberg;G. T. Thaler

  • Perspective: Ga2O3 for ultra-high power rectifiers and MOSFETS

    Stephen J. Pearton;Fan Ren;Marko Tadjer;Jihyun Kim

  • Perspective—Opportunities and Future Directions for Ga2O3

    Michael A. Mastro;Akito Kuramata;Jacob Calkins;Jihyun Kim

  • Magnetic properties of n-GaMnN thin films

    G. T. Thaler;M. E. Overberg;B. Gila;R. Frazier

  • Graphene-based nitrogen dioxide gas sensors

    G. Ko;H.-Y. Kim;J. Ahn;Y.-M. Park

  • High Responsivity β-Ga2O3 Metal–Semiconductor–Metal Solar-Blind Photodetectors with Ultraviolet Transparent Graphene Electrodes

    Sooyeoun Oh;Chang Koo Kim;Jihyun Kim

  • Radiation damage effects in Ga2O3 materials and devices

    Jihyun Kim;Stephen J. Pearton;Chaker Fares;Jiancheng Yang

  • Review of radiation damage in GaN-based materials and devices

    Stephen J. Pearton;Richard Deist;Fan Ren;Lu Liu

  • Effects of nanofluids containing graphene/graphene-oxide nanosheets on critical heat flux

    Sung Dae Park;Seung Won Lee;Sarah Kang;In Cheol Bang

  • Radiation effects in GaN materials and devices

    Alexander Y. Polyakov;S. J. Pearton;Patrick Frenzer;Fan Ren

  • Influence of MgO and Sc2O3 passivation on AlGaN/GaN high-electron-mobility transistors

    B. Luo;J. W. Johnson;J. Kim;R. M. Mehandru

  • Lipid raft proteome reveals ATP synthase complex in the cell surface

    Tae-Jung Bae;Min-Sik Kim;Jun-Woo Kim;Bong-Woo Kim

  • High reverse breakdown voltage Schottky rectifiers without edge termination on Ga2O3

    Jiancheng Yang;Shihyun Ahn;F. Ren;S. J. Pearton

  • Exfoliated β-Ga2O3 nano-belt field-effect transistors for air-stable high power and high temperature electronics

    Janghyuk Kim;Sooyeoun Oh;Michael A. Mastro;Jihyun Kim

  • Artificial Neuron and Synapse Devices Based on 2D Materials

    Geonyeop Lee;Ji Hwan Baek;Fan Ren;Stephen J. Pearton

  • AlGaN/GaN metal–oxide–semiconductor high electron mobility transistors using Sc2O3 as the gate oxide and surface passivation

    R. Mehandru;B. Luo;J. Kim;F. Ren

  • Quasi-two-dimensional β-gallium oxide solar-blind photodetectors with ultrahigh responsivity

    Sooyeoun Oh;Janghyuk Kim;Fan Ren;Stephen J. Pearton

  • Fabrication of a stretchable and patchable array of high performance micro-supercapacitors using a non-aqueous solvent based gel electrolyte

    Geumbee Lee;Daeil Kim;Doyeon Kim;Sooyeoun Oh

  • Flexible graphene-based chemical sensors on paper substrates

    Gwangseok Yang;Chongmin Lee;Jihyun Kim;Fan Ren

Frequent Co-Authors

Fan Ren
Fan Ren University of Florida
Stephen J. Pearton
Stephen J. Pearton University of Florida
C. R. Abernathy
C. R. Abernathy University of Florida
Charles R. Eddy
Charles R. Eddy United States Naval Research Laboratory
Brent P. Gila
Brent P. Gila University of Florida
A. Y. Polyakov
A. Y. Polyakov National University of Science and Technology
Donghwan Kim
Donghwan Kim Korea University
Marko J. Tadjer
Marko J. Tadjer United States Naval Research Laboratory
Sung Hyun Kim
Sung Hyun Kim Korea University
Byoung Koun Min
Byoung Koun Min Korea Institute of Science and Technology

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