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D-Index & Metrics

Chemistry

D-Index
66
Citations
12620
World Ranking
7461
National Ranking
431

R. J. Nelmes 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 R. J. Nelmes 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: 275 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

R. J. Nelmes 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 R. J. Nelmes 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: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2003 - Fellow of the Royal Society, United Kingdom
  • 1995 - Fellow of the Royal Society of Edinburgh

Overview

R. J. Nelmes is affiliated with the University of Edinburgh in the United Kingdom. Their scholarly activity is associated with this institution, where they contribute to their academic field.

Throughout their career, Nelmes has been recognized with several distinctions. They were named a Fellow of the Royal Society of Edinburgh in 1995 and later appointed as a Fellow of the Royal Society, United Kingdom, in 2003.

Specific details regarding their research topics, papers, coauthors, publication venues, book publications, and fields or subfields of study have not been provided, so those aspects cannot be detailed here.

Best Publications

  • Neutron powder diffraction above 10 GPa

    J.M. Besson;R.J. Nelmes;G. Hamel;J.S. Loveday

  • Stable methane hydrate above 2 GPa and the source of Titan's atmospheric methane

    J. S. Loveday;R. J. Nelmes;M. Guthrie;S. A. Belmonte

  • High-pressure structures and phase transformations in elemental metals

    Malcolm I. McMahon;Richard J. Nelmes

  • New high-pressure phase of Si.

    M. I. McMahon;R. J. Nelmes

  • Pressure dependence of the Imma phase of silicon

    M. I. McMahon;R. J. Nelmes;N. G. Wright;D. R. Allan

  • A compilation of accurate structural parameters for KDP and DKDP, and a users' guide to their crystal structures

    R. J. Nelmes;Z. Tun;W. F. Kuhs

  • High-pressure gas hydrates

    John Loveday;Richard Nelmes

  • SELF-HOSTING INCOMMENSURATE STRUCTURE OF BARIUM IV

    R. J. Nelmes;D. R. Allan;M. I. McMahon;S. A. Belmonte

  • Ba-IV-type incommensurate crystal structure in group-V metals

    M. I. McMahon;O. Degtyareva;R. J. Nelmes

  • Transition from cage clathrate to filled ice: the structure of methane hydrate III.

    J. S. Loveday;R. J. Nelmes;M. Guthrie;D. D. Klug

  • Annealed high-density amorphous ice under pressure

    Richard J. Nelmes;John S. Loveday;Thierry Strässle;Thierry Strässle;Craig L. Bull

  • Structural diversity of sodium.

    Eugene Gregoryanz;Lars F. Lundegaard;Malcolm I. McMahon;Christophe Guillaume

  • Transition from Cage Clathrate to Filled Ice

    M. Guthrie;D. D. Klug;J. S. Loveday;R. J. Nelmes

  • Stability and crystal structure of BC8 germanium.

    R. J. Nelmes;M. I. McMahon;N. G. Wright;D. R. Allan

  • New Structural Systematics in the II–VI, III–V, and Group-IV Semiconductors at High Pressure

    M. I. McMahon;R. J. Nelmes

  • Geometric effects of deuteration on hydrogen-ordering phase transitions

    M. I. McMahon;R. J. Nelmes;W. F. Kuhst;R. Dorwarth

  • Crystal structures of dense lithium: a metal-semiconductor-metal transition.

    M. Marques;Malcolm McMahon;Eugene Gregoryanz;M. Hanfland

  • Variation of interatomic distances in ice VIII to 10 GPa

    J. M. Besson;Ph. Pruzan;S. Klotz;G. Hamel

  • High-pressure structural studies of group-15 elements

    O. Degtyareva;M. I. MCMahon;R. J. Nelmes

  • Nature of the polyamorphic transition in ice under pressure.

    S. Klotz;Th. Strässle;R. J. Nelmes;J. S. Loveday

  • Neutron- and x-ray-diffraction measurements of the bulk modulus of boron

    R. J. Nelmes;J. S. Loveday;D. R. Allan;J. M. Besson

Frequent Co-Authors

Malcolm McMahon
Malcolm McMahon University of Edinburgh
David R. Allan
David R. Allan University of Edinburgh
Eugene Gregoryanz
Eugene Gregoryanz University of Edinburgh
John B. Parise
John B. Parise Stony Brook University
John S. Tse
John S. Tse University of Saskatchewan
Dennis D. Klug
Dennis D. Klug National Research Council Canada
Graeme Ackland
Graeme Ackland University of Edinburgh
Gwenaëlle Rousse
Gwenaëlle Rousse Collège de France
Michael Hanfland
Michael Hanfland European Synchrotron Radiation Facility
Mohamed Mezouar
Mohamed Mezouar European Synchrotron Radiation Facility

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