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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 45 16590 14977 4119 3385 270 6161

Trevor J. Sears publications per year

The chart shows the history of publications by Trevor J. Sears between 1976 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Trevor J. Sears published across 49 years, from 1976 to 2024, averaging 5.9 papers a year. Output peaked at 13 publications in 2006. 4 of the 287 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1976 to 2024. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2006. 1976: 1 publication 1977: 1 publication 1978: 1 publication 1979: 2 publications 1980: 10 publications 1981: 8 publications 1982: 5 publications 1983: 11 publications 1984: 6 publications 1985: 8 publications 1986: 9 publications 1987: 3 publications 1988: 3 publications 1989: 9 publications 1990: 10 publications 1991: 8 publications 1992: 8 publications 1993: 6 publications 1994: 9 publications 1995: 6 publications 1996: 7 publications 1997: 8 publications 1998: 7 publications 1999: 10 publications 2000: 6 publications 2001: 5 publications 2002: 4 publications 2003: 1 publication 2004: 2 publications 2005: 2 publications 2006: 13 publications 2007: 2 publications 2008: 4 publications 2009: 7 publications 2010: 11 publications 2011: 13 publications 2012: 5 publications 2013: 6 publications 2014: 5 publications 2015: 9 publications 2016: 6 publications 2017: 5 publications 2018: 12 publications 2019: 2 publications 2020: 3 publications 2021: 4 publications 2022: 0 publications 2023: 1 publication 2024: 3 publications
1976 2024

287 publications in total across all disciplines

View publications per year as a table
Trevor J. Sears: publications per year, 1976 to 2024
Year Publications
1976 1
1977 1
1978 1
1979 2
1980 10
1981 8
1982 5
1983 11
1984 6
1985 8
1986 9
1987 3
1988 3
1989 9
1990 10
1991 8
1992 8
1993 6
1994 9
1995 6
1996 7
1997 8
1998 7
1999 10
2000 6
2001 5
2002 4
2003 1
2004 2
2005 2
2006 13
2007 2
2008 4
2009 7
2010 11
2011 13
2012 5
2013 6
2014 5
2015 9
2016 6
2017 5
2018 12
2019 2
2020 3
2021 4
2022 0
2023 1
2024 3
Total 287
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Trevor J. Sears 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 Trevor J. Sears 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, 261–280 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: 270 publications — 55th percentile

55% 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
221–240 1,216
241–260 1,100
261–280 979 270
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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Trevor J. Sears 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 Trevor J. Sears 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, 44–45 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: 45 D-Index — 10th percentile

10% 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 45
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
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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Research.com Recognitions

  • 2018 - Fellow of American Physical Society (APS) Citation For advances in the highresolution spectroscopy of small molecular free radicals, particularly those of importance in combustion chemistry
  • 2008 - OSA Fellows For advancing the molecular spectroscopy of transient species through the invention of new techniques for their study, thereby obtaining valuable information about these transients.

Overview

Trevor J. Sears is affiliated with Stony Brook University in the United States and conducts research primarily in the field of Chemistry. Their work focuses notably on spectroscopy, with particular engagement in areas such as molecular spectroscopy and laser applications, atomic and molecular physics, and optics. Additional interests include atmospheric science, complementary and alternative medicine, and computational theory and mathematics.

Their research has led to publications in several scientific venues, including:

  • Physical Review A / Physical Review, A
  • Journal of Molecular Spectroscopy
  • Advances in Infectious Diseases
  • Journal of Cancer Therapy
  • Proceedings of the 2020 International Symposium on Molecular Spectroscopy

Among the recent papers authored or coauthored by Trevor J. Sears are the following:

  • "COVID-19 Patient with Multifocal Pneumonia and Respiratory Difficulty Resolved Quickly: Possible Antiviral and Anti-Inflammatory Benefits of Quercinex (Nebulized Quercetin-NAC) as Adjuvant," 2020, Advances in Infectious Diseases
  • "Melatonin: A Powerful Integrative Adjunctive Agent for Oncology," 2020, Journal of Cancer Therapy
  • "Electric-field-dependent g factor for the ground state of lead monofluoride, PbF," 2021, Physical Review A / Physical Review, A
  • "Python control of a high-resolution near-infrared spectrometer for undergraduate use," 2024, Journal of Molecular Spectroscopy
  • "CONTINUING INVESTIGATIONS OF ORTHO-PARA-DEPENDENT PRESSURE BROADENING IN THE ν1 + ν3 BAND OF ACETYLENE," 2020, Proceedings of the 2020 International Symposium on Molecular Spectroscopy

Frequent coauthors include:

  • Eisen C. Gross
  • V V Baturo
  • Richard Mawhorter
  • Jens-Uwe Grabow
  • A. N. Petrov

The main topics covered by their work include:

  • Spectroscopy and Laser Applications
  • Advanced Chemical Physics Studies
  • Molecular Spectroscopy and Structure
  • Herbal Medicine Research Studies
  • Computational Drug Discovery Methods
  • Drug-Induced Hepatotoxicity and Protection
  • Circadian rhythm and melatonin

Sears has received recognition including becoming a Fellow of the American Physical Society (APS) in 2018 for contributions to high-resolution spectroscopy of small molecular free radicals relevant to combustion chemistry. Earlier, in 2008, they were awarded the OSA Fellowship for work on molecular spectroscopy of transient species and development of new techniques for their study.

Best Publications

  • Far infrared laser magnetic resonance of singlet methylene: Singlet–triplet perturbations, singlet–triplet transitions, and the singlet–triplet splittinga)

    A. R. W. McKellar;P. R. Bunker;Trevor J. Sears;K. M. Evenson

  • A reduced form of the spin-rotation Hamiltonian for asymmetric-top molecules, with applications to HO2 and NH2

    J.M. Brown;T.J. Sears

  • THE ROTATIONAL SPECTRUM AND HYPERFINE STRUCTURE OF THE METHYLENE RADICAL CH2 STUDIED BY FAR INFRARED LASER MAGNETIC RESONANCE SPECTROSCOPY

    T. J. Sears;P. R. Bunker;A. R. W. Mckellar;K. M. Evenson

  • A theoretical study of the potential energy surface for the reaction OH+CO→H+CO2

    Hua Gen Yu;James T. Muckerman;Trevor J. Sears

  • Observation of the ν3 fundamental band of HCO

    S. C. Foster;A. R. W. McKellar;Trevor J. Sears

  • Transient diode laser absorption spectroscopy of the ν2 fundamental of trans‐HOCO and DOCO

    Trevor J. Sears;Wafaa M. Fawzy;Philip M. Johnson

  • Diode laser absorption spectroscopy of D3O+: Determination of the equilibrium structure and potential function of the oxonium ion

    Trevor J. Sears;P. R. Bunker;P. B. Davies;S. A. Johnson

  • ASYTOP - A program for detailed analysis of gas phase magnetic resonance spectra of asymmetric top molecules

    Trevor J. Sears

  • Jahn–Teller distortions in C6H3F3+ and C6H3Cl3+

    Trevor Sears;Terry A. Miller;V. E. Bondybey

  • The calculated ν2 (inversion) spectrum of H3O

    Di‐Jia Liu;Takeshi Oka;Trevor J. Sears

  • The Jahn–Teller effect in C6 F+6

    Trevor J. Sears;Terry A. Miller;V. E. Bondybey

  • THE CALCULATION OF THE ENERGY LEVELS OF AN ASYMMETRIC TOP FREE RADICAL IN A MAGNETIC FIELD

    T. J. Sears

  • Photodissociation of acetone at 193 nm : rotational- and vibrational-state distributions of methyl fragments by diode laser absorption/gain spectroscopy

    G. E. Hall;D. Vanden Bout;Trevor J. Sears

  • THE LASER MAGNETIC RESONANCE SPECTRUM OF THE ν2 BAND OF THE METHYLENE RADICAL CH2

    T. J. Sears;P. R. Bunker;A. R. W. Mckellar

  • The EPR spectrum of the HO2 radical and determination of ground state parameters

    C.E Barnes;J.M Brown;A Carrington;J Pinkstone

  • Renner-Teller, spin-orbit and Fermi-resonance interactions in X 2Π NCS investigated by LIF spectroscopy

    Frederick J Northrup;Trevor J. Sears

  • Stimulated Emission Pumping: Applications to Highly Vibrationally Excited Transient Molecules

    Frederick J Northrup;Trevor J. Sears

  • The rotational spectrum of trans‐HOCO and DOCO

    H. E. Radford;Wang Wei;Trevor J. Sears

  • The isotopic dependence of the spin-rotation interaction for an asymmetric top molecule

    John M. Brown;Trevor J. Sears;James K.G. Watson

  • Analysis of the laser photoelectron spectrum of CH−2

    P. R. Bunker;Trevor J. Sears

Frequent Co-Authors

A. R. W. McKellar
A. R. W. McKellar National Academies of Sciences, Engineering, and Medicine
Terry A. Miller
Terry A. Miller The Ohio State University
James T. Muckerman
James T. Muckerman Brookhaven National Laboratory
John M. Brown
John M. Brown University of Oxford
Daniel Hurtmans
Daniel Hurtmans Université Libre de Bruxelles
Michael C. Heaven
Michael C. Heaven Emory University
George W. Flynn
George W. Flynn Columbia University
Paul J. Dagdigian
Paul J. Dagdigian Johns Hopkins University
Pierre-François Coheur
Pierre-François Coheur Université Libre de Bruxelles
David M. Leitner
David M. Leitner University of Nevada Reno

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