World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
57
Citations
44204
World Ranking
10901
National Ranking
614

Stewart J. Clark 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 Stewart J. Clark 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: 202 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

Stewart J. Clark 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 Stewart J. Clark 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: 57 D-Index — 39th percentile

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

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

Overview

Stewart J. Clark is affiliated with Durham University in the United Kingdom and conducts research primarily in the field of Materials Science. Their work spans various subfields including Materials Chemistry, Condensed Matter Physics, Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics and Optics, and Physical and Theoretical Chemistry.

The scientist's research focuses on topics such as:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Advanced Condensed Matter Physics
  • Physics of Superconductivity and Magnetism
  • Crystallography and molecular interactions
  • Rare-earth and actinide compounds
  • Magnetic and transport properties of perovskites and related materials

Stewart J. Clark has contributed extensively to several publication venues, with a notable presence in:

  • The Cambridge Structural Database
  • Physical review. B./Physical review. B
  • arXiv (Cornell University)
  • Acta Crystallographica Section A Foundations and Advances
  • Physical Review Letters

Recent papers authored by or closely associated with Stewart J. Clark include:

  • Pressure-Induced Polymerization of Polycyclic Arene-Perfluoroarene Cocrystals: Single Crystal X-ray Diffraction Studies, Reaction Kinetics, and Design of Columnar Hydrofluorocarbons, 2020, Journal of the American Chemical Society
  • The metal-insulator phase change in vanadium dioxide and its applications, 2021, Journal of Applied Physics
  • Origin of Magnetic Ordering in a Structurally Perfect Quantum Kagome Antiferromagnet, 2020, Physical Review Letters
  • Exploring the nature of the fergusonite-scheelite phase transition and ionic conductivity enhancement by Mo⁶⁺doping in LaNbO₄, 2021, Journal of Materials Chemistry A
  • First-principles calculations on superconductivity and H-diffusion kinetics in Mg-B-H phases under pressures, 2022, International Journal of Hydrogen Energy

Frequent collaborators in their research include Alexandra Friedrich, Todd B. Marder, Samuele Fanetti, Krzysztof Radacki, and Michael Hanfland. These co-authors have worked with Stewart J. Clark on multiple projects, each having substantial publication counts in common.

Best Publications

  • First principles methods using CASTEP

    Stewart J. Clark;Matthew D. Segall;Chris J. Pickard;Phil J. Hasnip

  • First-principles simulation: ideas, illustrations and the CASTEP code

    M D Segall;Philip J D Lindan;M J Probert;C J Pickard

  • Reproducibility in density functional theory calculations of solids

    Kurt Lejaeghere;Gustav Bihlmayer;Torbjörn Björkman;Torbjörn Björkman;Peter Blaha

  • Variational density-functional perturbation theory for dielectrics and lattice dynamics.

    Keith Refson;Paul R. Tulip;Stewart J. Clark

  • βphase andγ−βmetal-insulator transition in multiferroicBiFeO3

    R. Palai;R. S. Katiyar;H. Schmid;P. Tissot

  • Defect energy levels in HfO2 high-dielectric-constant gate oxide

    K. Xiong;J. Robertson;M. C. Gibson;S. J. Clark

  • β phase and γ-β metal-insulator transition in multiferroic BiFeO3

    R. Palai;R. Katiyar;Hans Schmid;Paul Tissot

  • Band gap and Schottky barrier heights of multiferroic BiFeO3

    S. J. Clark;J. Robertson

  • Structure and elasticity of MgO at high pressure

    B.B. Karki;L. Stixrude;S.J. Clark;M.C. Warren

  • Density functional theory in the solid state

    Philip J. Hasnip;Keith Refson;Matt I. J. Probert;Jonathan R. Yates

  • Electron and vibrational spectroscopies using DFT, plane waves and pseudopotentials: CASTEP implementation

    V. Milman;K. Refson;S.J. Clark;C.J. Pickard

  • Limits to doping in oxides

    J. Robertson;S. J. Clark

  • Structure and properties of silicon XII: A complex tetrahedrally bonded phase

    R.O. Piltz;J.R. MacLean;S.J. Clark;Graeme Ackland

  • Effect of high pressure on the crystal structures of polymorphs of glycine

    Alice Dawson;David R. Allan;Scott A. Belmonte;Stewart J. Clark

  • Nature of the electronic band gap in lanthanide oxides.

    Roland Gillen;Stewart J. Clark;John Robertson

  • Practical methods in ab initio lattice dynamics

    G J Ackland;M C Warren;S J Clark

  • Arene–perfluoroarene interactions in crystal engineering 8: structures of 1∶1 complexes of hexafluorobenzene with fused-ring polyaromatic hydrocarbons

    Jonathan C. Collings;Karl P. Roscoe;Edward G. Robins;Andrei S. Batsanov

  • Band gap modification of single-walled carbon nanotube and boron nitride nanotube under a transverse electric field

    Chun-Wei Chen;Ming-Hsien Lee;S J Clark

  • Band gaps and defect levels in functional oxides

    J. Robertson;K. Xiong;S.J. Clark

  • Passivation of oxygen vacancy states in HfO2 by nitrogen

    K. Xiong;J. Robertson;S. J. Clark

Frequent Co-Authors

Graeme Ackland
Graeme Ackland University of Edinburgh
John Robertson
John Robertson University of Cambridge
Simon Parsons
Simon Parsons University of Edinburgh
David R. Allan
David R. Allan University of Edinburgh
Chris J. Pickard
Chris J. Pickard University of Cambridge
Neil Robertson
Neil Robertson University of Edinburgh
Jon Gluyas
Jon Gluyas Durham University
Max Coleman
Max Coleman Jet Propulsion Lab
John S. O. Evans
John S. O. Evans Durham University
Martin R. Lees
Martin R. Lees University of Warwick

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