World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
71
Citations
21109
World Ranking
5468
National Ranking
138

G. P. Johari 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 G. P. Johari 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: 474 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

G. P. Johari 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 G. P. Johari 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: 71 D-Index — 70th percentile

70% 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

  • 1993 - Fellow of the Royal Society of Canada Academy of Science

Overview

G. P. Johari is a researcher affiliated with McMaster University in Canada. The main areas of their research include materials science and engineering, with a focus on materials chemistry, biomedical engineering, geophysics, organic chemistry, and ceramics and composites. Johari's work spans topics related to material dynamics and properties, phase equilibria and thermodynamics, chemical thermodynamics and molecular structure, high-pressure geophysics and materials, glass properties and applications, fossil insects in amber, and geological and geochemical analysis.

The scientist has published extensively, with a strong presence in the journal Thermochimica Acta, contributing six publications there. Other venues include The Journal of Physical Chemistry B with two publications, the Journal of Non-Crystalline Solids with two publications, The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics, and The Journal of Chemical Physics.

Recent papers authored or co-authored by Johari include:

  • Entropy, enthalpy and volume of perfect crystals at limiting high pressure and the third law of thermodynamics, 2021, Thermochimica Acta
  • Endothermic Effects on Heating Physically Aged Sucrose Glasses and the Clausius Theorem Violation in Glass Thermodynamics, 2020, The Journal of Physical Chemistry B
  • Decrease in heat capacity and enthalpy of an aging glass - A conflict with standard procedure for determining enthalpy loss and fictive temperature, 2020, Thermochimica Acta
  • Variation of entropy and volume of liquids with pressure and their Kauzmann- and Simon-type extrapolations toward zero entropy, 2021, Thermochimica Acta
  • Prigogine-Defay ratio and its change with fictive temperature approaching the ideal glass transition, 2022, Thermochimica Acta

Frequent co-authors in Johari's work include E. Tombari, Daniele Sonaglioni, Ove Andersson, P. Lunkenheimer, and A. Loidl. Collaboration with E. Tombari is particularly notable with five joint publications.

G. P. Johari's research contributes to advancing the understanding of thermodynamic properties and behavior of materials under various conditions, with special attention to high pressure and glass states. Their work intersects both fundamental and applied aspects of materials science.

Recognition of their academic contributions includes being named a Fellow of the Royal Society of Canada in 1993 by the Academy of Science.

Best Publications

  • Viscous Liquids and the Glass Transition. II. Secondary Relaxations in Glasses of Rigid Molecules

    Gyan P. Johari;Martin Goldstein

  • The glass–liquid transition of hyperquenched water

    G. P. Johari;Andreas Hallbrucker;Erwin Mayer

  • GLASS TRANSITION AND SECONDARY RELAXATIONS IN MOLECULAR LIQUIDS AND CRYSTALS

    G. P. Johari

  • Viscous Liquids and the Glass Transition. III. Secondary Relaxations in Aliphatic Alcohols and Other Nonrigid Molecules

    Gyan P. Johari;Martin Goldstein

  • Intrinsic mobility of molecular glasses

    Gyan P. Johari

  • Glass-liquid transition and the enthalpy of devitrification of annealed vapor-deposited amorphous solid water: a comparison with hyperquenched glassy water

    Andreas Hallbrucker;Erwin Mayer;G. P. Johari

  • Localized molecular motions of β-relaxation and its energy landscape

    G.P Johari

  • Molecular theory for the rheology of glasses and polymers.

    JY Cavaille;J Perez;GP Johari

  • The dielectric properties of ice Ih in the range 272–133 K

    G. P. Johari;E. Whalley

  • Effect of annealing on the secondary relaxations in glasses

    G. P. Johari

  • Dielectric relaxations in the liquid and glassy states of glucose and its water mixtures

    R. K. Chan;K. Pathmanathan;G. P. Johari

  • Molecular mobility in simple glasses

    Gyan P. Johari;Martin Goldstein

  • A resolution for the enigma of a liquid’s configurational entropy-molecular kinetics relation

    G. P. Johari

  • Thermodynamic continuity between glassy and normal water

    G. P. Johari;Gerhard Fleissner;Andreas Hallbrucker;Erwin Mayer

  • Dielectric properties of glycerol in the range 0.1–105 Hz, 218–357 K, 0–53 kb

    Unknown

  • Calorimetric studies of the kinetic unfreezing of molecular motions in hydrated lysozyme, hemoglobin, and myoglobin

    G. Sartor;E. Mayer;G.P. Johari

  • Two Calorimetrically Distinct States of Liquid Water Below 150 Kelvin

    G. P. Johari;Andreas Hallbrucker;Erwin Mayer

  • Contributions to the entropy of a glass and liquid, and the dielectric relaxation time

    G. P. Johari

  • The heat capacity and glass transition of hyperquenched glassy water

    Andreas Hallbrucker;Erwin Mayer;G. P. Johari

  • X-ray study of high-density amorphous water.

    L. Bosio;G. P. Johari;J. Teixeira

  • Crystallization kinetics of water below 150 K

    Wolfgang Hage;Andreas Hallbrucker;Erwin Mayer;G. P. Johari

Frequent Co-Authors

Erwin Mayer
Erwin Mayer University of Innsbruck
Andreas Hallbrucker
Andreas Hallbrucker University of Innsbruck
Jean-Yves Cavaillé
Jean-Yves Cavaillé Institut National des Sciences Appliquées de Lyon
John W. Goodby
John W. Goodby University of York
Peter Lunkenheimer
Peter Lunkenheimer University of Augsburg
Alois Loidl
Alois Loidl University of Augsburg
Jean-Louis Viovy
Jean-Louis Viovy Institute Curie
Bertil Sundqvist
Bertil Sundqvist Umeå University

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