World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
83
Citations
21270
World Ranking
3000
National Ranking
166

Robert K. Thomas 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 Robert K. Thomas 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: 393 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.

Robert K. Thomas 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 Robert K. Thomas 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: 83 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Best Publications

  • The application of the specular reflection of neutrons to the study of surfaces and interfaces

    J Penfold;R K Thomas

  • Structure of an adsorbed dimyristoylphosphatidylcholine bilayer measured with specular reflection of neutrons

    S.J. Johnson;T.M. Bayerl;D.C. McDermott;G.W. Adam

  • Polymer/surfactant interactions at the air/water interface

    D.J.F. Taylor;R.K. Thomas;J. Penfold

  • Surfactant layers at the air/water interface: structure and composition.

    J.R. Lu;R.K. Thomas;J. Penfold

  • Boundary lubrication under water

    Wuge H. Briscoe;Simon Titmuss;Fredrik Tiberg;Fredrik Tiberg;Robert K. Thomas

  • Adsorption of Dodecyl Sulfate Surfactants with Monovalent Metal Counterions at the Air-Water Interface Studied by Neutron Reflection and Surface Tension

    Jian Ren Lu;Adrian Marrocco;Tsueu Ju Su;Robert K. Thomas

  • THE CONFORMATIONAL STRUCTURE OF BOVINE SERUM ALBUMIN LAYERS ADSORBED AT THE SILICA-WATER INTERFACE

    T. J. Su and;J.R. Lu;R. K. Thomas;Z. F. Cui

  • Effect of the nature of the spacer on the aggregation properties of gemini surfactants in an aqueous solution.

    Xiaoyong Wang;Jinben Wang;Yilin Wang;Haike Yan

  • The Adsorption of Oppositely Charged Polyelectrolyte/Surfactant Mixtures: Neutron Reflection from Dodecyl Trimethylammonium Bromide and Sodium Poly(styrene sulfonate) at the Air/Water Interface

    D. J. F. Taylor;R. K. Thomas;J. Penfold

  • Structure of aqueous decyltrimethylammonium bromide solutions at the air water interface studied by the specular reflection of neutrons

    E. M. Lee;R. K. Thomas;J. Penfold;R. C. Ward

  • The Effect of Solution pH on the Structure of Lysozyme Layers Adsorbed at the Silica−Water Interface Studied by Neutron Reflection

    T. J. Su and;J. R. Lu;R. K. Thomas;Z. F. Cui

  • Thermodynamics of Molecular Self-Assembly of Cationic Gemini and Related Double Chain Surfactants in Aqueous Solution

    Unknown

  • The Adsorption of Lysozyme at the Silica–Water Interface: A Neutron Reflection Study☆

    Tsueu Ju Su;Jian Ren Lu;Robert K. Thomas;Zhan Feng Cui

  • Adsorption of Oppositely Charged Polyelectrolyte/Surfactant Mixtures. Neutron Reflection from Alkyl Trimethylammonium Bromides and Sodium Poly(styrenesulfonate) at the Air/Water Interface: The Effect of Surfactant Chain Length

    D. J. F. Taylor;R. K. Thomas;P. X. Li;J. Penfold

  • Gemini Surfactant/DNA Complex Monolayers at the Air−Water Interface: Effect of Surfactant Structure on the Assembly, Stability, and Topography of Monolayers

    Xiaodong Chen;Jinben Wang;Nan Shen;Yanhong Luo

  • The Denaturation of Lysozyme Layers Adsorbed at the Hydrophobic Solid/Liquid Surface Studied by Neutron Reflection

    J.R. Lu;T.J. Su;P.N. Thirtle;R.K. Thomas

  • Effect of pH on the adsorption of bovine serum albumin at the silica/water interface studied by neutron reflection

    T. J. Su;J. R. Lu;R. K. Thomas;Z. F. Cui

  • The Composition and Structure of Sodium Dodecyl Sulfate-Dodecanol Mixtures Adsorbed at the Air-Water Interface: A Neutron Reflection Study

    J.R. Lu;I.P. Purcell;E.M. Lee;E.A. Simister

  • Structural conformation of lysozyme layers at the air/water interface studied by neutron reflection

    J. R. Lu;T. J. Su;R. K. Thomas;J. Penfold

  • Neutron reflection study of bovine beta-casein adsorbed on OTS self-assembled monolayers

    Giovanna Fragneto;Robert K. Thomas;Adrian R. Rennie;Jeffrey Penfold

Frequent Co-Authors

Jeffrey Penfold
Jeffrey Penfold Rutherford Appleton Laboratory
Jian R. Lu
Jian R. Lu University of Manchester
Tommy Nylander
Tommy Nylander Lund University
Adrian R. Rennie
Adrian R. Rennie Uppsala University
Thomas Arnebrant
Thomas Arnebrant Malmö University
Minghua Liu
Minghua Liu Chinese Academy of Sciences
Xiaodong Chen
Xiaodong Chen Nanyang Technological University
Charles C. Han
Charles C. Han Shenzhen University
Paul L. Burn
Paul L. Burn University of Queensland

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