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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 57 10901 9842 614 548 202 44204

Stewart J. Clark publications per year

The chart shows the history of publications by Stewart J. Clark between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stewart J. Clark published across 34 years, from 1993 to 2026, averaging 7.7 papers a year. Output peaked at 16 publications in 2005. 17 of the 261 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2005. 1993: 2 publications 1994: 3 publications 1995: 8 publications 1996: 2 publications 1997: 13 publications 1998: 11 publications 1999: 5 publications 2000: 3 publications 2001: 6 publications 2002: 10 publications 2003: 2 publications 2004: 11 publications 2005: 16 publications 2006: 16 publications 2007: 10 publications 2008: 7 publications 2009: 3 publications 2010: 7 publications 2011: 7 publications 2012: 11 publications 2013: 5 publications 2014: 6 publications 2015: 7 publications 2016: 8 publications 2017: 6 publications 2018: 8 publications 2019: 9 publications 2020: 8 publications 2021: 9 publications 2022: 4 publications 2023: 14 publications 2024: 7 publications 2025: 16 publications 2026: 1 publication
1993 2026

261 publications in total across all disciplines

View publications per year as a table
Stewart J. Clark: publications per year, 1993 to 2026
Year Publications
1993 2
1994 3
1995 8
1996 2
1997 13
1998 11
1999 5
2000 3
2001 6
2002 10
2003 2
2004 11
2005 16
2006 16
2007 10
2008 7
2009 3
2010 7
2011 7
2012 11
2013 5
2014 6
2015 7
2016 8
2017 6
2018 8
2019 9
2020 8
2021 9
2022 4
2023 14
2024 7
2025 16
2026 1
Total 261
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 201–220 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281 202
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 56–57 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051 57
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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