World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
58
Citations
8886
World Ranking
10886
National Ranking
2982

David E. Ramaker 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 David E. Ramaker 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: 227 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

David E. Ramaker 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 David E. Ramaker 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: 58 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Overview

David E. Ramaker was affiliated with George Washington University in the United States during their academic career. The available data does not indicate a record of published papers, co-authors, or frequent publication venues associated with their work.

There is also no detailed information about specific fields of study, subfields, or primary research topics documented in the available sources. Similarly, no book publications or awards have been recorded.

As no recent publications or collaborations are noted, the profile centers solely on the institutional connection held by the scientist. Their passing has been confirmed.

Best Publications

  • XAFS spectroscopy; fundamental principles and data analysis

    D.C. Koningsberger;B.L. Mojet;G.E. van Dorssen;D.E. Ramaker

  • A new model describing the metal-support interaction in noble metal catalysts

    BL Barbara Louise Mojet;JT Miller;DE Ramaker;DC Diek Koningsberger

  • Determination of O and OH adsorption sites and coverage in situ on Pt electrodes from Pt L(2,3) X-ray absorption spectroscopy.

    M Teliska;W E O'Grady;D E Ramaker

  • Determination of O[H] and CO Coverage and Adsorption Sites on PtRu Electrodes in an Operating PEM Fuel Cell

    Christina Roth;Nathalie Benker;Thorsten Buhrmester;Marian Mazurek

  • Correlation of Water Activation, Surface Properties, and Oxygen Reduction Reactivity of Supported Pt–M/C Bimetallic Electrocatalysts Using XAS

    Maggie Teliska;Vivek S. Murthi;Sanjeev Mukerjee;David E. Ramaker

  • Structure and oxidation state of gold on different supports under various CO oxidation conditions

    N. Weiher;E. Bus;L. Delannoy;C. Louis

  • Investigation into the Competitive and Site-Specific Nature of Anion Adsorption on Pt Using In Situ X-ray Absorption Spectroscopy

    Thomas M. Arruda;Badri Shyam;Joseph M. Ziegelbauer;Sanjeev Mukerjee

  • The metal–support interaction in Pt/Y zeolite: evidence for a shift in energy of metal d-valence orbitals by Pt–H shape resonance and atomic XAFS spectroscopy

    D.C. Koningsberger;J. de Graaf;B.L. Mojet;D.E. Ramaker

  • The atomic AXAFS and Δμ XANES techniques as applied to heterogeneous catalysis and electrocatalysis

    D. E. Ramaker;D. C. Koningsberger

  • Chloride Ingress into Aluminum Prior to Pitting Corrosion An Investigation by XANES and XPS

    S. Y. Yu;W. E. O'Grady;D. E. Ramaker;P. M. Natishan

  • Improved Oxygen Reduction Activity and Durability of Dealloyed PtCox Catalysts for Proton Exchange Membrane Fuel Cells: Strain, Ligand, and Particle Size Effects

    Qingying Jia;Keegan Caldwell;Kara Strickland;Joseph M. Ziegelbauer

  • CALCULATED AND MEASURED AUGER LINESHAPES IN SiO2

    D. E. Ramaker;J. S. Murday;N. H. Turner;G. Moore

  • Mitigating Phosphate Anion Poisoning of Cathodic Pt/C Catalysts in Phosphoric Acid Fuel Cells

    Qinggang He;Badri Shyam;Masahiko Nishijima;David Ramaker

  • Site-Specific vs Specific Adsorption of Anions on Pt and Pt-Based Alloys

    Maggie Teliska;Vivek S. Murthi;Sanjeev Mukerjee;David E. Ramaker

  • Three-site model for hydrogen adsorption on supported platinum particles: influence of support ionicity and particle size on the hydrogen coverage.

    Michiel K. Oudenhuijzen;Jeroen A. van Bokhoven;Jeffrey T. Miller;David E. Ramaker

  • Determination of H Adsorption Sites on Pt/C Electrodes in HClO4 from Pt L23 X-ray Absorption Spectroscopy

    M. Teliska;W. E. O'grady;D. E. Ramaker

  • Analyzing the Influence of H3PO4 as Catalyst Poison in High Temperature PEM Fuel Cells Using in-operando X-ray Absorption Spectroscopy

    Sebastian Kaserer;Keegan M. Caldwell;David E. Ramaker;Christina Roth;Christina Roth

  • Nature of the metal-support interaction in supported Pt catalysts : Shift in Pt valence orbital energy and charge rearrangement

    D.E. Ramaker;J. de Graaf;J.A.R. van Veen;D.C. Koningsberger

  • Image charge effects in electron stimulated desorption: O- from O2 condensed on Ar films grown on Pt.

    H. Sambe;D. E. Ramaker;L. Parenteau;L. Sanche

  • Exact-exchange crystal Hartree--Fock calculations of molecular and metallic hydrogen and their transitions

    David E. Ramaker;Lalit Kumar;Frank E. Harris

Frequent Co-Authors

Sanjeev Mukerjee
Sanjeev Mukerjee Northeastern University
Christina Roth
Christina Roth University of Bayreuth
Jeffrey T. Miller
Jeffrey T. Miller Purdue University West Lafayette
Diek C. Koningsberger
Diek C. Koningsberger Utrecht University
Léon Sanche
Léon Sanche Université de Sherbrooke
Stuart Licht
Stuart Licht George Washington University
Bruce E. Koel
Bruce E. Koel Princeton University
Frank Ernst
Frank Ernst Case Western Reserve University
Rhonda M. Stroud
Rhonda M. Stroud Arizona State University

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