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Chemistry
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2026
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Earth Science
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2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 142 191 172 91 74 838 72695
Earth Science 137 16 14 6 4 662 65399

Ho-kwang Mao publications per year

The chart shows the history of publications by Ho-kwang Mao between 1967 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ho-kwang Mao published across 59 years, from 1967 to 2025, averaging 16.3 papers a year. Output peaked at 48 publications in 2005. 7 of the 962 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1967 to 2025. Vertical axis: number of publications, 0 to 48. Peak 48 publications in 2005. 1967: 1 publication 1968: 2 publications 1969: 2 publications 1970: 2 publications 1971: 1 publication 1972: 1 publication 1973: 5 publications 1974: 5 publications 1975: 3 publications 1976: 3 publications 1977: 7 publications 1978: 5 publications 1979: 9 publications 1980: 5 publications 1981: 7 publications 1982: 5 publications 1983: 1 publication 1984: 3 publications 1985: 3 publications 1986: 9 publications 1987: 9 publications 1988: 11 publications 1989: 9 publications 1990: 12 publications 1991: 11 publications 1992: 12 publications 1993: 9 publications 1994: 18 publications 1995: 16 publications 1996: 15 publications 1997: 13 publications 1998: 18 publications 1999: 17 publications 2000: 21 publications 2001: 30 publications 2002: 29 publications 2003: 42 publications 2004: 45 publications 2005: 48 publications 2006: 36 publications 2007: 32 publications 2008: 41 publications 2009: 34 publications 2010: 38 publications 2011: 28 publications 2012: 25 publications 2013: 34 publications 2014: 17 publications 2015: 25 publications 2016: 29 publications 2017: 35 publications 2018: 24 publications 2019: 32 publications 2020: 26 publications 2021: 34 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication 2025: 6 publications
1967 2025

962 publications in total across all disciplines

View publications per year as a table
Ho-kwang Mao: publications per year, 1967 to 2025
Year Publications
1967 1
1968 2
1969 2
1970 2
1971 1
1972 1
1973 5
1974 5
1975 3
1976 3
1977 7
1978 5
1979 9
1980 5
1981 7
1982 5
1983 1
1984 3
1985 3
1986 9
1987 9
1988 11
1989 9
1990 12
1991 11
1992 12
1993 9
1994 18
1995 16
1996 15
1997 13
1998 18
1999 17
2000 21
2001 30
2002 29
2003 42
2004 45
2005 48
2006 36
2007 32
2008 41
2009 34
2010 38
2011 28
2012 25
2013 34
2014 17
2015 25
2016 29
2017 35
2018 24
2019 32
2020 26
2021 34
2022 1
2023 0
2024 1
2025 6
Total 962
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Ho-kwang Mao 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 Ho-kwang Mao 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, 603+ 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: 662 publications — 99th percentile

99% 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
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+ 100 662
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Ho-kwang Mao 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 Ho-kwang Mao 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, 106+ 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: 137 D-Index — 100th percentile

100% 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
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+ 98 137
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Research.com Recognitions

  • 2026 - Research.com Chemistry in United States Leader Award
  • 2026 - Research.com Earth Science in United States Leader Award
  • 2025 - Research.com Chemistry in United States Leader Award
  • 2008 - Fellow of the Royal Society, United Kingdom
  • 1994 - Fellow of American Physical Society (APS) Citation For studies advancing both the high pressure limit and the range of techniques applicable to diamond anvil cell investigations
  • 1993 - Member of the National Academy of Sciences
  • 1986 - Fellow of American Geophysical Union (AGU)

Overview

Ho-kwang Mao is affiliated with the Carnegie Institution for Science in the United States. Their research spans several fields including Materials Science, Earth and Planetary Sciences, and Physics and Astronomy. The subfields they have contributed to include Materials Chemistry, Geophysics, Biomedical Engineering, Atomic and Molecular Physics and Optics, as well as Electronic, Optical, and Magnetic Materials.

The main research topics of Ho-kwang Mao cover a range of areas such as:

  • High-pressure geophysics and materials
  • Graphene research and applications
  • Topological materials and phenomena
  • Ferroelectric and piezoelectric materials
  • Acoustic wave resonator technologies
  • Carbon nanotubes in composites
  • Diamond and carbon-based materials research

The scientist's frequent co-authors include:

  • Yang Ding
  • Guangwei Che
  • Xingyu Tang
  • Puyi Lang
  • Xiao Dong

Ho-kwang Mao has published multiple papers in various venues. Some of the most recent papers are:

  • "Origin of the isostructural electronic states of the topological insulator Bi2Te3," 2020, Physical Review B
  • "Distinct intermediate states in the isostructural R−3m phase of the topological insulator Bi2Se3 at high pressure," 2020, Physical Review B
  • "Pressure aging: An effective process to liberate the power of high-pressure materials research," 2024, Proceedings of the National Academy of Sciences
  • "High-Pressure Polymerization of Phenol toward Degree-4 Carbon Nanothread," 2025, Nano Letters
  • "Superconductivity in efficient thermoelectric material Cu3Sb0.98Al0.02Se4," 2021, Journal of Alloys and Compounds

The frequent publication venues for Ho-kwang Mao include:

  • Physical Review B
  • Proceedings of the National Academy of Sciences
  • Nano Letters
  • Journal of Alloys and Compounds
  • Journal of the American Chemical Society

Ho-kwang Mao has received several professional recognitions including:

  • Fellow of the Royal Society, United Kingdom, 2008
  • Fellow of the American Physical Society (APS), 1994, with a citation for studies advancing the high pressure limit and diamond anvil cell techniques
  • Member of the National Academy of Sciences, 1993
  • Fellow of the American Geophysical Union (AGU), 1986

Best Publications

  • Calibration of the ruby pressure gauge to 800 kbar under quasi-hydrostatic conditions

    Ho-kwang Mao;J. Xu;Peter M. Bell

  • Specific volume measurements of Cu, Mo, Pd, and Ag and calibration of the ruby R1 fluorescence pressure gauge from 0.06 to 1 Mbar

    H. K. Mao;P. M. Bell;J. W. Shaner;D. J. Steinberg

  • Hydrogen clusters in clathrate hydrate.

    Wendy L. Mao;Wendy L. Mao;Ho-kwang Mao;Alexander F. Goncharov;Viktor V. Struzhkin

  • Origin of morphotropic phase boundaries in ferroelectrics

    Muhtar Ahart;Maddury Somayazulu;R. E. Cohen;P. Ganesh

  • Superconductivity up to 164 K in HgBa2Cam-1CumO2m+2+ delta (m=1, 2, and 3) under quasihydrostatic pressures.

    L. Gao;Y. Y. Xue;F. Chen;Q. Xiong

  • The pressure-temperature phase and transformation diagram for carbon; updated through 1994

    F.P. Bundy;W.A. Bassett;M.S. Weathers;R.J. Hemley

  • Coesite-bearing eclogite from the Dabie Mountains in central China

    Xiaomin Wang;J. G. Liou;H. K. Mao

  • Ultrahigh-pressure transitions in solid hydrogen

    Ho-kwang Mao;Russell J. Hemley

  • Bonding Changes in Compressed Superhard Graphite

    Wendy L. Mao;Wendy L. Mao;Ho-kwang Mao;Ho-kwang Mao;Peter J. Eng;Thomas P. Trainor;Thomas P. Trainor

  • Pressure-induced amorphization of crystalline silica

    R. J. Hemley;A. P. Jephcoat;H. K. Mao;L. C. Ming

  • Superhard Monoclinic Polymorph of Carbon

    Quan Li;Yanming Ma;Artem R. Oganov;Artem R. Oganov;Hongbo Wang

  • Raman spectroscopy of SiO2 glass at high pressure.

    RJ Hemley;HK Mao;PM Bell;BO Mysen

  • Solvent-Free Electrolytes with Aqueous Solution-Like Conductivities

    Wu Xu;C. Austen Angell

  • High-pressure x-ray diffraction of SiO2 glass.

    Charles Meade;R. J. Hemley;H. K. Mao

  • Synthesis of novel transition metal nitrides IrN2 and OsN2.

    Andrea F. Young;Andrea F. Young;Chrystele Sanloup;Eugene Gregoryanz;Eugene Gregoryanz;Sandro Scandolo;Sandro Scandolo

  • Synthesis and characterization of a binary noble metal nitride

    Eugene Gregoryanz;Chrystele Sanloup;M Somayazulu;James Badro

  • Static compression of iron to 300 GPa and Fe0.8Ni0.2 alloy to 260 GPa: Implications for composition of the core

    H. K. Mao;Y. Wu;L. C. Chen;J. F. Shu

  • Elasticity of MgO and a primary pressure scale to 55 GPa

    Chang-Sheng Zha;Ho-kwang Mao;Russell J. Hemley

  • Hydrogen storage in molecular compounds

    W. Mao;H. Mao

  • X-ray diffraction and equation of state of hydrogen at megabar pressures

    P. Loubeyre;R. LeToullec;D. Hausermann;M. Hanfland

  • Quasi‐hydrostatic compression of magnesium oxide to 52 GPa: Implications for the pressure‐volume‐temperature equation of state

    Sergio Speziale;Chang-Sheng Zha;Thomas S. Duffy;Russell J. Hemley

Frequent Co-Authors

Russell J. Hemley
Russell J. Hemley University of Illinois at Chicago
Viktor V. Struzhkin
Viktor V. Struzhkin Carnegie Institution for Science
Wendy L. Mao
Wendy L. Mao Stanford University
Alexander F. Goncharov
Alexander F. Goncharov Carnegie Institution for Science
Yue Meng
Yue Meng Argonne National Laboratory
Eugene Gregoryanz
Eugene Gregoryanz University of Edinburgh
Maddury Somayazulu
Maddury Somayazulu Carnegie Institution for Science
Rajeev Ahuja
Rajeev Ahuja Uppsala University
Yusheng Zhao
Yusheng Zhao Southern University of Science and Technology

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