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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 109 1225 1159 643 597 1017 36573

John Clarke publications per year

The chart shows the history of publications by John Clarke between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John Clarke published across 58 years, from 1968 to 2025, averaging 19 papers a year. Output peaked at 64 publications in 2015. 10 of the 1,104 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 64. Peak 64 publications in 2015. 1968: 1 publication 1969: 1 publication 1970: 1 publication 1971: 3 publications 1972: 1 publication 1973: 1 publication 1974: 6 publications 1975: 8 publications 1976: 5 publications 1977: 3 publications 1978: 4 publications 1979: 7 publications 1980: 8 publications 1981: 16 publications 1982: 9 publications 1983: 12 publications 1984: 13 publications 1985: 11 publications 1986: 12 publications 1987: 12 publications 1988: 17 publications 1989: 19 publications 1990: 17 publications 1991: 21 publications 1992: 18 publications 1993: 18 publications 1994: 39 publications 1995: 40 publications 1996: 33 publications 1997: 28 publications 1998: 34 publications 1999: 31 publications 2000: 29 publications 2001: 35 publications 2002: 25 publications 2003: 19 publications 2004: 31 publications 2005: 36 publications 2006: 25 publications 2007: 14 publications 2008: 32 publications 2009: 30 publications 2010: 28 publications 2011: 26 publications 2012: 36 publications 2013: 27 publications 2014: 28 publications 2015: 64 publications 2016: 34 publications 2017: 40 publications 2018: 31 publications 2019: 11 publications 2020: 13 publications 2021: 11 publications 2022: 9 publications 2023: 11 publications 2024: 7 publications 2025: 3 publications
1968 2025

1,104 publications in total across all disciplines

View publications per year as a table
John Clarke: publications per year, 1968 to 2025
Year Publications
1968 1
1969 1
1970 1
1971 3
1972 1
1973 1
1974 6
1975 8
1976 5
1977 3
1978 4
1979 7
1980 8
1981 16
1982 9
1983 12
1984 13
1985 11
1986 12
1987 12
1988 17
1989 19
1990 17
1991 21
1992 18
1993 18
1994 39
1995 40
1996 33
1997 28
1998 34
1999 31
2000 29
2001 35
2002 25
2003 19
2004 31
2005 36
2006 25
2007 14
2008 32
2009 30
2010 28
2011 26
2012 36
2013 27
2014 28
2015 64
2016 34
2017 40
2018 31
2019 11
2020 13
2021 11
2022 9
2023 11
2024 7
2025 3
Total 1,104
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John Clarke publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where John Clarke sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 1,003–1,022 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 1,017 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21 1,017
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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John Clarke D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where John Clarke sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 108–109 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 109 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90 109
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Research.com Recognitions

  • 2016 - Fellow of American Geophysical Union (AGU)
  • 2015 - Fellow of the American Academy of Arts and Sciences
  • 2013 - Interdisciplinary Prize, Royal Society of Chemistry (UK)
  • 2012 - Member of the National Academy of Sciences
  • 2004 - Hughes Medal, Royal Society of London for his outstanding research, leading the world in the invention, building and development of innovative new Superconducting QUantum Interference Devices (SQUID), in their theory and in their application to a plethora of fundamental problems and their investigative tools
  • 1999 - Comstock Prize in Physics, U.S. National Academy of Sciences For his major contributions to the development of superconducting quantum interference devices (SQUIDS) and their use for scientific measurements, especially involving electricity, magnetism, and electromagnetic waves.
  • 1998 - Joseph F. Keithley Award For Advances in Measurement Science, American Physical Society
  • 1987 - Fritz London Memorial Prize, International Union of Pure and Applied Physics
  • 1986 - Fellow of the Royal Society, United Kingdom
  • 1985 - Fellow of American Physical Society (APS) Citation For his deep, original and innovative contributions to condensed matter physics using superconducting quantum interference devices
  • 1982 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1977 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1976 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1970 - Fellow of Alfred P. Sloan Foundation
  • 1909 - Member of the National Academy of Sciences
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom
  • Fellow of the Academy of Social Sciences, United Kingdom

Overview

John Clarke is affiliated with the University of California, Berkeley in the United States. Their research focuses primarily on the broad field of Physics and Astronomy, with key activity in Astronomy and Astrophysics.

Their work covers several subfields including Molecular Biology, Aerospace Engineering, Physiology, and Ecology, though to a lesser extent. The main topics explored in their research include:

  • Astro and Planetary Science
  • Planetary Science and Exploration
  • Solar and Space Plasma Dynamics
  • Geomagnetism and Paleomagnetism Studies
  • Ionosphere and magnetosphere dynamics
  • Space Exploration and Technology
  • Stellar, planetary, and galactic studies

John Clarke's research has been frequently published in the following venues:

  • Journal of Geophysical Research Space Physics
  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Geophysical Research Planets
  • Nature Astronomy
  • Icarus

The scientist has collaborated often with several co-authors including:

  • N. M. Schneider
  • Majd Mayyasi
  • Michael Chaffin
  • J. D. Nichols
  • Dolon Bhattacharyya

Some of the recent papers by John Clarke include:

  • The Habitable Exoplanet Observatory (HabEx) Mission Concept Study Final Report, 2020, arXiv (Cornell University)
  • Martian water loss to space enhanced by regional dust storms, 2021, Nature Astronomy
  • Comparisons Between Jupiter's X-ray, UV and Radio Emissions and In-Situ Solar Wind Measurements During 2007, 2020, Journal of Geophysical Research Space Physics
  • Solar cycle and seasonal variability of H in the upper atmosphere of Mars, 2022, Icarus
  • Estimate of the D/H Ratio in the Martian Upper Atmosphere from the Low Spectral Resolution Mode of MAVEN/IUVS, 2021, Journal of Geophysical Research Planets

John Clarke has received several awards throughout their career, including:

  • Fellow of American Geophysical Union (AGU), 2016
  • Fellow of the American Academy of Arts and Sciences, 2015
  • Interdisciplinary Prize, Royal Society of Chemistry (UK), 2013
  • Member of the National Academy of Sciences, 2012
  • Hughes Medal, Royal Society of London, 2004, for outstanding research in superconducting quantum interference devices and their applications
  • Comstock Prize in Physics, U.S. National Academy of Sciences, 1999, for contributions to superconducting quantum interference devices
  • Joseph F. Keithley Award For Advances in Measurement Science, American Physical Society, 1998
  • Fritz London Memorial Prize, International Union of Pure and Applied Physics, 1987
  • Fellow of the Royal Society, United Kingdom, 1986
  • Fellow of American Physical Society (APS), 1985, for contributions to condensed matter physics with superconducting quantum interference devices
  • Fellow of the American Association for the Advancement of Science (AAAS), 1982 and 1976
  • Fellow of John Simon Guggenheim Memorial Foundation, 1977
  • Fellow of Alfred P. Sloan Foundation, 1970
  • Member of the National Academy of Sciences, 1909
  • Fellow of the Academy of Social Sciences, United Kingdom

Best Publications

  • The Mars Atmosphere and Volatile Evolution (MAVEN) Mission

    Bruce M. Jakosky;R. P. Lin;J. M. Grebowsky;J. G. Luhmann

  • Flicker (1f) noise: Equilibrium temperature and resistance fluctuations

    Richard F. Voss;Richard F. Voss;John Clarke;John Clarke

  • Hubble Space Telescope Observations of the Disk and Jet of HH 30

    Christopher J. Burrows;Christopher J. Burrows;Karl R. Stapelfeldt;Alan M. Watson;John E. Krist

  • THE PERFORMANCE AND CALIBRATION OF WFPC2 ON THE HUBBLE SPACE TELESCOPE

    Jon A. Holtzman;J. Jeff Hester;Stefano Casertano;John T. Trauger

  • Detection of H 3 + on Jupiter

    P. Drossart;J.-P. Maillard;J. Caldwell;S. J. Kim

  • Liquid-state NMR and scalar couplings in microtesla magnetic fields.

    Robert McDermott;Andreas H. Trabesinger;Andreas H. Trabesinger;Michael Mück;Erwin L. Hahn

  • WFPC2 studies of the Crab nebula. I. HST and ROSAT imaging of the synchrotron nebula

    J. Jeff Hester;Paul A. Scowen;Ravi Sankrit;Christopher J. Burrows

  • Contamination-mediated deformation of graphite by the scanning tunneling microscope

    H. Jonathon Mamin;H. Jonathon Mamin;Eric D Ganz;Eric D Ganz;David W. Abraham;David W. Abraham;Ruth Ellen Thomson;Ruth Ellen Thomson

  • Loss of the Martian atmosphere to space: Present-day loss rates determined from MAVEN observations and integrated loss through time

    Bruce Jakosky;David Brain;Michael Chaffin;Shannon M. Curry

  • The SQUID Handbook: Fundamentals and Technology of SQUIDs and SQUID Systems

    John Clarke;Alex I. Braginski

  • A universal biosensing platform based on optical micro-ring resonators.

    A. Ramachandran;S. Wang;J. Clarke;S.J. Ja

  • HST imaging of atmospheric phenomena created by the impact of Comet Shoemaker-Levy 9

    H. B. Hammel;R. F. Beebe;A. P. Ingersoll;G. S. Orton

  • Large-scale microwave cavity search for dark-matter axions

    S. Asztalos;E. Daw;H. Peng;L. J Rosenberg

  • Ultraviolet emissions from the magnetic footprints of Io, Ganymede and Europa on Jupiter

    J. T. Clarke;J. Ajello;G. Ballester;L. Ben Jaffel

  • Detection of bacteria in suspension by using a superconducting quantum interference device.

    H. L. Grossman;W. R. Myers;V. J. Vreeland;R. Bruehl

  • Imaging of the Egg Nebula (CRL 2688) with WFPC2/HST: A History of AGB/Post-AGB Giant Branch Mass Loss

    Raghvendra Sahai;John T. Trauger;Alan M. Watson;Karl R. Stapelfeldt

  • A pulsating auroral X-ray hot spot on Jupiter

    G. R. Gladstone;J. H. Waite;Denis Grodent;W. S. Lewis

  • Hubble space telescope observations of the SN 1987A triple ring nebula

    Christopher J. Burrows;Christopher J. Burrows;John Krist;J. Jeff Hester;Raghvendra Sahai

  • Microtesla MRI with a superconducting quantum interference device.

    Robert McDermott;SeungKyun Lee;Bennie ten Haken;Andreas H. Trabesinger

  • Error analysis for remote reference magnetotellurics

    T. D. Gamble;W. M. Goubau;J. Clarke

Frequent Co-Authors

Gilda E. Ballester
Gilda E. Ballester University of Arizona
Bruce M. Jakosky
Bruce M. Jakosky University of Colorado Boulder
William E. McClintock
William E. McClintock University of Colorado Boulder
Franck Montmessin
Franck Montmessin University of Paris-Saclay
Jonathan D. Nichols
Jonathan D. Nichols University of Leicester
David Crisp
David Crisp California Institute of Technology
Jean-Claude Gérard
Jean-Claude Gérard University of Liège
Emma J. Bunce
Emma J. Bunce University of Leicester
Karl R. Stapelfeldt
Karl R. Stapelfeldt Jet Propulsion Lab
Jeremy Mould
Jeremy Mould Swinburne University of Technology

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