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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 60 9709 8784 2729 2243 297 12591

Tomas Baer publications per year

The chart shows the history of publications by Tomas Baer between 1965 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tomas Baer published across 57 years, from 1965 to 2021, averaging 5.3 papers a year. Output peaked at 19 publications in 1996. 1 of the 304 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1965 to 2021. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 1996. 1965: 1 publication 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 1 publication 1970: 4 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 4 publications 1975: 6 publications 1976: 3 publications 1977: 3 publications 1978: 2 publications 1979: 7 publications 1980: 8 publications 1981: 3 publications 1982: 10 publications 1983: 7 publications 1984: 8 publications 1985: 1 publication 1986: 10 publications 1987: 2 publications 1988: 17 publications 1989: 4 publications 1990: 2 publications 1991: 10 publications 1992: 6 publications 1993: 9 publications 1994: 9 publications 1995: 6 publications 1996: 19 publications 1997: 12 publications 1998: 5 publications 1999: 12 publications 2000: 10 publications 2001: 6 publications 2002: 14 publications 2003: 6 publications 2004: 5 publications 2005: 8 publications 2006: 16 publications 2007: 5 publications 2008: 7 publications 2009: 9 publications 2010: 11 publications 2011: 3 publications 2012: 2 publications 2013: 3 publications 2014: 1 publication 2015: 1 publication 2016: 0 publications 2017: 4 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 1 publication
1965 2021

304 publications in total across all disciplines

View publications per year as a table
Tomas Baer: publications per year, 1965 to 2021
Year Publications
1965 1
1966 0
1967 0
1968 0
1969 1
1970 4
1971 0
1972 0
1973 1
1974 4
1975 6
1976 3
1977 3
1978 2
1979 7
1980 8
1981 3
1982 10
1983 7
1984 8
1985 1
1986 10
1987 2
1988 17
1989 4
1990 2
1991 10
1992 6
1993 9
1994 9
1995 6
1996 19
1997 12
1998 5
1999 12
2000 10
2001 6
2002 14
2003 6
2004 5
2005 8
2006 16
2007 5
2008 7
2009 9
2010 11
2011 3
2012 2
2013 3
2014 1
2015 1
2016 0
2017 4
2018 0
2019 0
2020 0
2021 1
Total 304
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Tomas Baer 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 Tomas Baer 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, 281–300 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: 297 publications — 62nd percentile

62% 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
281–300 939 297
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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Tomas Baer 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 Tomas Baer 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, 60–61 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: 60 D-Index — 47th percentile

47% 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
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 60
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

  • 1976 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Tomas Baer is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research spans multiple fields, primarily focusing on Physics and Astronomy as well as Chemistry. The subfields of study that characterize their work include Atomic and Molecular Physics, and Optics; Spectroscopy; Surfaces, Coatings and Films; Structural Biology; and Biomedical Engineering.

Their research topics cover several specialized themes: Advanced Chemical Physics Studies, Mass Spectrometry Techniques and Applications, Spectroscopy and Quantum Chemical Studies, Spectroscopy and Laser Applications, Electron and X-Ray Spectroscopy Techniques, Advanced Electron Microscopy Techniques and Applications, and Photocathodes and Microchannel Plates.

Tomas Baer has contributed to several publications, including the following recent papers:

  • To roam or not to roam, that is the question for the methyl group in isopropanol cations, 2020, International Journal of Mass Spectrometry
  • High-resolution pulsed field ionization photoelectron-photoion coincidence study of CH4: Accurate 0 K dissociation threshold for CH3+, 2021, UNC Libraries
  • Imaging photoelectron photoion coincidence spectroscopy with velocity focusing electron optics, 2021, UNC Libraries

Their frequent coauthors include:

  • András Bödi
  • Bálint Sztáray
  • Kyle J. Covert
  • Krisztián G. Torma
  • Krisztina Voronova

Tomas Baer's publications have appeared mainly in two venues:

  • UNC Libraries
  • International Journal of Mass Spectrometry

In recognition of their contributions, Tomas Baer was awarded the Fellowship of the John Simon Guggenheim Memorial Foundation in 1976.

Best Publications

  • Unimolecular reaction dynamics : theory and experiments

    Tomas Baer;William L. Hase

  • Unimolecular reaction dynamics

    Tomas Baer

  • Suppression of hot electrons in threshold photoelectron photoion coincidence spectroscopy using velocity focusing optics

    Bálint Sztáray;Tomas Baer

  • Reactive Uptake of Ozone by Oleic Acid Aerosol Particles: Application of Single-Particle Mass Spectrometry to Heterogeneous Reaction Kinetics

    Geoffrey D. Smith;Ephraim Woods;Cindy L. Deforest;Tomas Baer

  • Imaging photoelectron photoion coincidence spectroscopy with velocity focusing electron optics

    Andras Bodi;Melanie Johnson;Thomas Gerber;Zsolt Gengeliczki

  • Aerosol mass spectrometry: An introductory review

    David G. Nash;Tomas Baer;Murray V. Johnston

  • Photoionization resonance studies with a steradiancy analyzer. II. The photoionization of CH3I

    Tomas Baer;W.B. Peatman;E.W. Schlag

  • Data acquisition schemes for continuous two-particle time-of-flight coincidence experiments

    Andras Bodi;Bálint Sztáray;Tomas Baer;Melanie Johnson

  • Modeling unimolecular reactions in photoelectron photoion coincidence experiments

    Bálint Sztáray;Andras Bodi;Tomas Baer

  • The dissociation dynamics of internal energy selected C6H6+ a)

    Tomas Baer;Gary D. Willettb;Deborah Smithc;J. Sanford Phillipsd

  • Advances in threshold photoelectron spectroscopy (TPES) and threshold photoelectron photoion coincidence (TPEPICO)

    Tomas Baer;Richard P. Tuckett

  • Photoionization study of the ionization potentials and fragmentation paths of the chlorinated methanes and carbon tetrabromide

    Arthur S. Werner;Bilin P. Tsai;Tomas Baer

  • Gas-Phase Ion Dynamics and Chemistry

    P. B. Armentrout;Tomas Baer

  • Non‐Franck–Condon transitions in resonant autoionization of N2O

    Tomas Baer;Paul‐Marie Guyon;Irene Nenner;Abdallah Tabché‐Fouhaillé

  • ABSOLUTE UNIMOLECULAR DECAY RATES OF ENERGY SELECTED C4H6(+) METASTABLE IONS

    Arthur S. Werner;Tomas Baer

  • Ion spectroscopy: where did it come from; where is it now; and where is it going?

    Tomas Baer;Robert C. Dunbar

  • A threshold photoelectron–photoion coincidence study of the N2O+ dissociation between 15 and 20.5 eV

    Irene Nenner;Paul‐Marie Guyon;Tomas Baer;Thomas R. Govers

  • Unimolecular and bimolecular ion-molecule reaction dynamics

    C. Y. Ng;Tomas Baer;Ivan Powis

  • Kinetic energy release distributions for the dissociation of internal energy selected CH3I+ and CD3I+ ions

    Donald M. Mintz;Tomas Baer

  • Photoelectron-photoion coincidence study of the ionization and fragment appearance potentials of bromo- and iodomethanes

    Bilin P. Tsal;Tomas Baer;Arthur S. Werner;Stephen F. Lin

  • High resolution laser photoionization and photoelectron studies

    Ivan Powis;Tomas Baer;C. Y. Ng

Frequent Co-Authors

Cheuk-Yiu Ng
Cheuk-Yiu Ng University of California, Davis
Roger E. Miller
Roger E. Miller University of North Carolina at Chapel Hill
William L. Hase
William L. Hase Texas Tech University
Simon H. Bauer
Simon H. Bauer Cornell University
Willi A. Brand
Willi A. Brand Max Planck Institute for Biogeochemistry
Musahid Ahmed
Musahid Ahmed Lawrence Berkeley National Laboratory
Robert C. Dunbar
Robert C. Dunbar Case Western Reserve University
John L. Holmes
John L. Holmes University of Ottawa
P. B. Armentrout
P. B. Armentrout University of Utah
John F. Stanton
John F. Stanton University of Florida

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