World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
57
Citations
15910
World Ranking
7862
National Ranking
1949

Ajit K. Roy 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 Ajit K. Roy 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: 405 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Ajit K. Roy 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 Ajit K. Roy 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: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2002 - Fellow of the American Society of Mechanical Engineers

Overview

Ajit K. Roy is affiliated with the United States Air Force Research Laboratory in the United States. Their primary fields of study encompass Materials Science and Engineering. Their research focuses on various subfields, including Materials Chemistry, Electrical and Electronic Engineering, Biomedical Engineering, Polymers and Plastics, and Mechanical Engineering.

They have published extensively on topics related to advanced materials and their applications. Main research topics include Graphene research and applications, 2D Materials and Applications, Advanced Sensor and Energy Harvesting Materials, Polymer composites and self-healing, MXene and MAX Phase Materials, Thermal properties of materials, and Advanced Memory and Neural Computing.

Recent papers authored or co-authored by Ajit K. Roy include:

  • Charge transfer of carbon nanomaterials for efficient metal-free electrocatalysis, 2022, Interdisciplinary materials
  • High-Performance Li-CO2 Batteries from Free-Standing, Binder-Free, Bifunctional Three-Dimensional Carbon Catalysts, 2020, ACS Energy Letters
  • Vitrimer Transition Temperature Identification: Coupling Various Thermomechanical Methodologies, 2021, ACS Applied Polymer Materials
  • Modeling thermoelectric effects in piezoelectric semiconductors: New fully coupled mechanisms for mechanically manipulated heat flux and refrigeration, 2022, International Journal of Engineering Science
  • Creep Mechanics of Epoxy Vitrimer Materials, 2022, ACS Applied Polymer Materials

Frequent co-authors collaborating with Ajit K. Roy include:

  • Chandra Sekhar Tiwary
  • Nicholas R. Glavin
  • Douglas S. Galvão
  • Vikas Varshney
  • Pulickel M. Ajayan

The scientist's work appears regularly in publication venues such as arXiv (Cornell University), Small, Advanced Materials, ACS Applied Polymer Materials, and ACS Applied Nano Materials.

Ajit K. Roy has been recognized as a Fellow of the American Society of Mechanical Engineers since 2002.

Best Publications

  • BCN Graphene as Efficient Metal-Free Electrocatalyst for the Oxygen Reduction Reaction

    Shuangyin Wang;Lipeng Zhang;Zhenhai Xia;Ajit Roy

  • Vertically Aligned BCN Nanotubes as Efficient Metal-Free Electrocatalysts for the Oxygen Reduction Reaction: A Synergetic Effect by Co-Doping with Boron and Nitrogen†

    Shuangyin Wang;Eswaramoorthi Iyyamperumal;Ajit Roy;Yuhua Xue;Yuhua Xue

  • Improved thermal conductivity for chemically functionalized exfoliated graphite/epoxy composites

    Sabyasachi Ganguli;Ajit K. Roy;David P. Anderson

  • Emerging Applications of Elemental 2D Materials

    Nicholas R Glavin;Rahul Rao;Rahul Rao;Vikas Varshney;Elisabeth Bianco

  • A Molecular Dynamics Study of Epoxy-Based Networks : Cross-Linking Procedure and Prediction of Molecular and Material Properties

    Vikas Varshney;Soumya S. Patnaik;Ajit K. Roy;Barry L. Farmer

  • Transparent and Stretchable High-Performance Supercapacitors Based on Wrinkled Graphene Electrodes

    Tao Chen;Yuhua Xue;Ajit K. Roy;Liming Dai

  • Preparation of Tunable 3D Pillared Carbon Nanotube–Graphene Networks for High-Performance Capacitance

    Feng Du;Dingshan Yu;Liming Dai;S. Ganguli

  • Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions

    Daniel P. Hashim;Narayanan T. Narayanan;Jose M. Romo-Herrera;David A. Cullen

  • Modeling of thermal transport in pillared-graphene architectures.

    Vikas Varshney;Soumya S. Patnaik;Ajit K. Roy;George Froudakis

  • Multifunctional chemical vapor sensors of aligned carbon nanotube and polymer composites.

    Chen Wei;Liming Dai;and Ajit Roy;Tia Benson Tolle

  • Molecular dynamics study of the stress–strain behavior of carbon-nanotube reinforced Epon 862 composites

    R. Zhu;E. Pan;A.K. Roy

  • Three-dimensional B,N-doped graphene foam as a metal-free catalyst for oxygen reduction reaction

    Yuhua Xue;Yuhua Xue;Dingshan Yu;Liming Dai;Liming Dai;Ruigang Wang

  • 3D Heteroatom‐Doped Carbon Nanomaterials as Multifunctional Metal‐Free Catalysts for Integrated Energy Devices

    Rajib Paul;Feng Du;Liming Dai;Yong Ding

  • Covalently Interconnected Three-Dimensional Graphene Oxide Solids

    Parambath M. Sudeep;Parambath M. Sudeep;Tharangattu N. Narayanan;Aswathi Ganesan;Manikoth M. Shaijumon

  • Rationally designed graphene-nanotube 3D architectures with a seamless nodal junction for efficient energy conversion and storage.

    Yuhua Xue;Yong Ding;Jianbing Niu;Zhenhai Xia

  • Thermal Conductivity of Wurtzite Zinc-Oxide from First-Principles Lattice Dynamics--a Comparative Study with Gallium Nitride

    Xufei Wu;Jonghoon Lee;Jonghoon Lee;Vikas Varshney;Vikas Varshney;Jennifer L. Wohlwend;Jennifer L. Wohlwend

  • MD Simulations of Molybdenum Disulphide (MoS2): Force-Field Parameterization and Thermal Transport Behavior

    Vikas Varshney;Vikas Varshney;Soumya S. Patnaik;Christopher Muratore;Ajit K. Roy

  • Controlled growth and modification of vertically-aligned carbon nanotubes for multifunctional applications

    Hao Chen;Ajit Roy;Jong-Beom Baek;Lin Zhu

  • Magnetism in two-dimensional materials beyond graphene

    N. Sethulakshmi;Avanish Mishra;Pulickel M. Ajayan;Yoshiyuki Kawazoe

  • BCN Graphene as Efficient Metal‐Free Electrocatalyst for the Oxygen Reduction Reaction

    Unknown

  • Hydrogenation of Penta-Graphene Leads to Unexpected Large Improvement in Thermal Conductivity

    Xufei Wu;Vikas Varshney;Vikas Varshney;Jonghoon Lee;Jonghoon Lee;Teng Zhang

  • Micromechanics model for three-dimensional open-cell foams using a tetrakaidecahedral unit cell and Castigliano's second theorem

    K. Li;X.-L. Gao;A.K. Roy

Frequent Co-Authors

Liming Dai
Liming Dai University of New South Wales
Chandra Sekhar Tiwary
Chandra Sekhar Tiwary Indian Institute of Technology Kharagpur
Andrey A. Voevodin
Andrey A. Voevodin University of North Texas
Pulickel M. Ajayan
Pulickel M. Ajayan Rice University
Barry L. Farmer
Barry L. Farmer United States Air Force Research Laboratory
Timothy S. Fisher
Timothy S. Fisher University of California, Los Angeles
Douglas S. Galvao
Douglas S. Galvao State University of Campinas
Steve Scheiner
Steve Scheiner Utah State University
Jong-Beom Baek
Jong-Beom Baek Ulsan National Institute of Science and Technology
Sujit K. Bhattacharya
Sujit K. Bhattacharya Indian Council of Medical Research

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