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D-Index & Metrics

Materials Science

D-Index
119
Citations
50525
World Ranking
504
National Ranking
184

Joel W. Ager 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 Joel W. Ager 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: 564 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Joel W. Ager 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 Joel W. Ager 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: 119 D-Index — 96th percentile

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

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

Overview

Joel W. Ager is affiliated with the Lawrence Berkeley National Laboratory in the United States. Their research focuses primarily on energy, materials science, and engineering, contributing extensively to several subfields including renewable energy, sustainability and the environment, materials chemistry, electrical and electronic engineering, catalysis, and electrochemistry.

The scientist has published notable papers across various prestigious journals and venues. Some of the recent significant publications include:

  • Spin pinning effect to reconstructed oxyhydroxide layer on ferromagnetic oxides for enhanced water oxidation, 2021, Nature Communications
  • Surface Composition Dependent Ligand Effect in Tuning the Activity of Nickel-Copper Bimetallic Electrocatalysts toward Hydrogen Evolution in Alkaline, 2020, Journal of the American Chemical Society
  • Investigation and mitigation of degradation mechanisms in Cu2O photoelectrodes for CO2 reduction to ethylene, 2021, Nature Energy
  • Wetting-regulated gas-involving (photo)electrocatalysis: biomimetics in energy conversion, 2021, Chemical Society Reviews
  • The 2022 solar fuels roadmap, 2022, Journal of Physics D Applied Physics

Their frequent co-authors include Alexei A. Lapkin, Rajiv Ramanujam Prabhakar, Mikhail Kovalev, Nripan Mathews, and Marsha Zakir Muhamad.

Joel W. Ager has contributed to a range of research topics, covering:

  • CO2 Reduction Techniques and Catalysts
  • Electrocatalysts for Energy Conversion
  • Ionic liquids properties and applications
  • Advanced battery technologies research
  • Advanced Photocatalysis Techniques
  • Perovskite Materials and Applications
  • Electrochemical Analysis and Applications

The scientist's work is also frequently published in venues such as Zenodo (CERN European Organization for Nuclear Research), arXiv (Cornell University), ACS Applied Materials & Interfaces, ACS Energy Letters, and Advanced Functional Materials.

Best Publications

  • Band Anticrossing in GaInNAs Alloys

    W. Shan;W. Walukiewicz;J. W. Ager;E. E. Haller

  • Unusual properties of the fundamental band gap of InN

    J. Wu;W. Walukiewicz;K. M. Yu;J. W. Ager

  • Above-bandgap voltages from ferroelectric photovoltaic devices

    S. Y. Yang;J. Seidel;J. Seidel;S. J. Byrnes;S. J. Byrnes;P. Shafer

  • Three-dimensional nanopillar-array photovoltaics on low-cost and flexible substrates

    Zhiyong Fan;Haleh Razavi;Haleh Razavi;Jae Won Do;Jae Won Do;Aimee Moriwaki;Aimee Moriwaki

  • Strain-related phenomena in GaN thin films

    C. Kisielowski;J. Krüger;S. Ruvimov;T. Suski

  • Hydrolysis of Electrolyte Cations Enhances the Electrochemical Reduction of CO2 over Ag and Cu

    Meenesh R. Singh;Meenesh R. Singh;Youngkook Kwon;Yanwei Lum;Joel W. Ager

  • Tailoring Copper Nanocrystals towards C2 Products in Electrochemical CO2 Reduction

    Anna Loiudice;Peter Lobaccaro;Peter Lobaccaro;Esmail A Kamali;Timothy Thao

  • Small band gap bowing in In1−xGaxN alloys

    J. Wu;W. Walukiewicz;K. M. Yu;J. W. Ager

  • Strain-induced indirect to direct bandgap transition in multilayer WSe2.

    Sujay B. Desai;Gyungseon Seol;Jeong Seuk Kang;Jeong Seuk Kang;Hui Fang;Hui Fang

  • Superior radiation resistance of In1-xGaxN alloys: Full-solar-spectrum photovoltaic material system

    J. Wu;W. Walukiewicz;K. M. Yu;W. Shan

  • Experimental demonstrations of spontaneous, solar-driven photoelectrochemical water splitting

    Joel W. Ager;Matthew R. Shaner;Karl A. Walczak;Ian D. Sharp

  • The true toughness of human cortical bone measured with realistically short cracks

    K. J. Koester;J. W. Ager;R. O. Ritchie;R. O. Ritchie

  • Solid-state quantum memory using the 31 P nuclear spin

    John J. L. Morton;Alexei M. Tyryshkin;Richard M. Brown;Shyam Shankar

  • Effects of the narrow band gap on the properties of InN

    J. Wu;J. Wu;W. Walukiewicz;W. Shan;K. M. Yu

  • Photovoltaic effects in BiFeO3

    S. Y. Yang;L. W. Martin;S. J. Byrnes;S. J. Byrnes;T. E. Conry;T. E. Conry

  • Quantitative measurement of residual biaxial stress by Raman spectroscopy in diamond grown on a Ti alloy by chemical vapor deposition

    Joel W. Ager;Michael D. Drory

  • Temperature dependence of the fundamental band gap of InN

    J. Wu;W. Walukiewicz;W. Shan;K. M. Yu

  • Gold-Mediated Exfoliation of Ultralarge Optoelectronically-Perfect Monolayers

    Sujay B. Desai;Sujay B. Desai;Surabhi R. Madhvapathy;Surabhi R. Madhvapathy;Matin Amani;Matin Amani;Daisuke Kiriya;Daisuke Kiriya

  • Efficient photovoltaic current generation at ferroelectric domain walls.

    Jan Seidel;Jan Seidel;Deyi Fu;Deyi Fu;Seung-Yeul Yang;Esther Alarcón-Lladó;Esther Alarcón-Lladó

  • Electronic Structure of Monoclinic BiVO4

    Jason K. Cooper;Sheraz Gul;Francesca M. Toma;Le Chen

Frequent Co-Authors

Eugene E. Haller
Eugene E. Haller Lawrence Berkeley National Laboratory
Kin Man Yu
Kin Man Yu City University of Hong Kong
Wladek Walukiewicz
Wladek Walukiewicz Lawrence Berkeley National Laboratory
Junqiao Wu
Junqiao Wu University of California, Berkeley
William J. Schaff
William J. Schaff Cornell University
Ian D. Sharp
Ian D. Sharp Technical University of Munich
Ali Javey
Ali Javey University of California, Berkeley
Robert O. Ritchie
Robert O. Ritchie Lawrence Berkeley National Laboratory
Zuzanna Liliental-Weber
Zuzanna Liliental-Weber Lawrence Berkeley National Laboratory
Daryl C. Chrzan
Daryl C. Chrzan University of California, Berkeley

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