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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 49 3626 3320 253 236 203 8502

James Badro publications per year

The chart shows the history of publications by James Badro between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. James Badro published across 31 years, from 1995 to 2025, averaging 7.8 papers a year. Output peaked at 16 publications in 2021. 14 of the 241 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2021. 1995: 1 publication 1996: 3 publications 1997: 6 publications 1998: 4 publications 1999: 3 publications 2000: 3 publications 2001: 2 publications 2002: 4 publications 2003: 9 publications 2004: 10 publications 2005: 9 publications 2006: 8 publications 2007: 12 publications 2008: 5 publications 2009: 7 publications 2010: 9 publications 2011: 6 publications 2012: 6 publications 2013: 5 publications 2014: 11 publications 2015: 12 publications 2016: 10 publications 2017: 8 publications 2018: 14 publications 2019: 13 publications 2020: 9 publications 2021: 16 publications 2022: 15 publications 2023: 7 publications 2024: 6 publications 2025: 8 publications
1995 2025

241 publications in total across all disciplines

View publications per year as a table
James Badro: publications per year, 1995 to 2025
Year Publications
1995 1
1996 3
1997 6
1998 4
1999 3
2000 3
2001 2
2002 4
2003 9
2004 10
2005 9
2006 8
2007 12
2008 5
2009 7
2010 9
2011 6
2012 6
2013 5
2014 11
2015 12
2016 10
2017 8
2018 14
2019 13
2020 9
2021 16
2022 15
2023 7
2024 6
2025 8
Total 241
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James Badro publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where James Badro sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 198–207 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 203 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333 203
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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James Badro D-index placement in Earth Science in 2026

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

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 49 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 49 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204 49
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Research.com Recognitions

  • 2008 - James B. Macelwane Medal, American Geophysical Union (AGU)
  • 2008 - Fellow of American Geophysical Union (AGU)

Overview

James Badro is affiliated with the Institut de Physique du Globe de Paris in France. Their research largely focuses on Earth and Planetary Sciences, with a specialization in Geophysics. This specialization is reflected in their substantial number of publications in the subfield of Geophysics, as well as work in related areas such as Astronomy and Astrophysics, Paleontology, Molecular Biology, and Mechanics of Materials.

Their scholarly output includes studies covering key topics such as Geological and Geochemical Analysis, High-pressure geophysics and materials, earthquake and tectonic studies, Planetary Science and Exploration, Astro and Planetary Science, Paleontology and Stratigraphy of Fossils, and Geomagnetism and Paleomagnetism Studies.

Major recent papers authored or co-authored by James Badro include the following:

  • Redox state of Earth's magma ocean and its Venus-like early atmosphere (2020, Science Advances)
  • Geophysical evidence for an enriched molten silicate layer above Mars's core (2023, Nature)
  • Solubility of water in peridotite liquids and the prevalence of steam atmospheres on rocky planets (2022, Earth and Planetary Science Letters)
  • A New Reference for the Thermal Equation of State of Iron (2020, Minerals)
  • Spin state and deep interior structure of Mars from InSight radio tracking (2023, Nature)

James Badro frequently collaborates with several co-authors, including:

  • Charles-Édouard Boukaré
  • Farhang Nabiei
  • Nicolas Wehr
  • Henri Samuel
  • Attilio Rivoldini

The primary publication venues where their work appears are:

  • Nature
  • Earth and Planetary Science Letters
  • Zenodo (CERN European Organization for Nuclear Research)
  • Geophysical Research Letters
  • Goldschmidt2021 abstracts

James Badro's scientific contributions have been recognized through distinctions such as the Fellow of the American Geophysical Union (AGU) awarded in 2008, as well as the James B. Macelwane Medal from the American Geophysical Union in the same year.

Best Publications

  • Iron partitioning in Earth's Mantle: Toward a deep lower mantle discontinuity

    James Badro;Guillaume Fiquet;François Guyot;Jean-Pascal Rueff

  • Synthesis and characterization of a binary noble metal nitride

    Eugene Gregoryanz;Chrystele Sanloup;M Somayazulu;James Badro

  • Electronic transitions in perovskite: possible nonconvecting layers in the lower mantle.

    James Badro;Jean-Pascal Rueff;György Vankó;Giulio Monaco

  • X-ray Imaging of Stress and Strain of Diamond, Iron, and Tungsten at Megabar Pressures

    Russell J. Hemley;Russell J. Hemley;Russell J. Hemley;Ho-kwang Mao;Ho-kwang Mao;Ho-kwang Mao;Guoyin Shen;Guoyin Shen;Guoyin Shen;James Badro;James Badro;James Badro

  • A seismologically consistent compositional model of Earth’s core

    James Badro;James Badro;Alexander S. Côté;Alexander S. Côté;John P. Brodholt

  • Effect of light elements on the sound velocities in solid iron: Implications for the composition of Earth's core

    James Badro;James Badro;Guillaume Fiquet;Guillaume Fiquet;François Guyot;François Guyot;Eugene Gregoryanz;Eugene Gregoryanz

  • Pressure-Induced High-Spin to Low-Spin Transition in FeS Evidenced by X-Ray Emission Spectroscopy

    J.-P. Rueff;C.-C. Kao;V. V. Struzhkin;J. Badro

  • Terrestrial Accretion Under Oxidizing Conditions

    Julien Siebert;James Badro;Daniele Antonangeli;Frederick J. Ryerson;Frederick J. Ryerson

  • Magnetism in FeO at Megabar Pressures from X-Ray Emission Spectroscopy

    James Badro;Viktor V. Struzhkin;Jinfu Shu;Russell J. Hemley

  • Core formation and core composition from coupled geochemical and geophysical constraints.

    James Badro;James Badro;John P. Brodholt;Hélène Piet;Hélène Piet;Julien Siebert

  • Copper isotope evidence for large-scale sulphide fractionation during Earth’s differentiation

    Paul S. Savage;F. Moynier;H. Chen;G. Shofner

  • Sound Velocities in Iron to 110 Gigapascals

    Guillaume Fiquet;James Badro;François Guyot;Herwig Requardt

  • An early geodynamo driven by exsolution of mantle components from Earth’s core

    James Badro;James Badro;Julien Siebert;Francis Nimmo

  • Metal–silicate partitioning of Ni and Co in a deep magma ocean

    Julien Siebert;James Badro;Daniele Antonangeli;Frederick J. Ryerson;Frederick J. Ryerson

  • Nature of the high-pressure transition in Fe2O3 hematite.

    James Badro;Guillaume Fiquet;Viktor V. Struzhkin;Maddury Somayazulu

  • Experimental evidence for a high-pressure isostructural phase transition in osmium.

    Florent Occelli;Daniel L. Farber;James Badro;James Badro;Chantel M. Aracne

  • Elastic anisotropy in textured hcp-iron to 112 GPa from sound wave propagation measurements

    Daniele Antonangeli;Florent Occelli;Herwig Requardt;James Badro

  • High-Pressure Behavior In Alpha-Alpo4 - Amorphization And The Memory-Glass Effect

    Philippe Gillet;James Badro;Bernard Varrel;Paul F. McMillan

  • Composition of the Earth's inner core from high-pressure sound velocity measurements in Fe–Ni–Si alloys

    Daniele Antonangeli;Daniele Antonangeli;Julien Siebert;Julien Siebert;James Badro;James Badro;Daniel L. Farber;Daniel L. Farber

  • Spin Crossover in Ferropericlase at High Pressure: A Seismologically Transparent Transition?

    Daniele Antonangeli;Daniele Antonangeli;Julien Siebert;Julien Siebert;Chantel M. Aracne;Daniel L. Farber;Daniel L. Farber

  • Element partitioning between magnesium silicate perovskite and ferropericlase: New insights into bulk lower-mantle geochemistry

    Anne-Line Auzende;James Badro;James Badro;Frederick J. Ryerson;Peter K. Weber

  • Silicon isotopes in angrites and volatile loss in planetesimals

    Emily A. Pringle;Frédéric Moynier;Paul S. Savage;James Badro

  • Oxygen and silicon contents of Earth's core from high pressure metal-silicate partitioning experiments

    Angele Ricolleau;Angele Ricolleau;Yingwei Fei;Alexandre Corgne;Julien Siebert;Julien Siebert

  • Sound velocity in iron carbide (Fe3C) at high pressure: Implications for the carbon content of the Earth's inner core

    Guillaume Fiquet;James Badro;Evgueni Gregoryanz;Yingwei Fei

Frequent Co-Authors

Julien Siebert
Julien Siebert Institut de Physique du Globe de Paris
Philippe Gillet
Philippe Gillet École Polytechnique Fédérale de Lausanne
Guillaume Fiquet
Guillaume Fiquet Sorbonne University
Daniele Antonangeli
Daniele Antonangeli Sorbonne University
Frederick J. Ryerson
Frederick J. Ryerson Lawrence Livermore National Laboratory
François Guyot
François Guyot French National Museum of Natural History
Russell J. Hemley
Russell J. Hemley University of Illinois at Chicago
Ho-kwang Mao
Ho-kwang Mao Carnegie Institution for Science
Alain Polian
Alain Polian Sorbonne University
Jean-Alix Barrat
Jean-Alix Barrat University of Western Brittany

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