World's Best Scientists 2026 revealed!
Frank A. Hegmann

Frank A. Hegmann

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 50 10269 9916 182 172 213 8597

Frank A. Hegmann publications per year

The chart shows the history of publications by Frank A. Hegmann between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Frank A. Hegmann published across 37 years, from 1989 to 2025, averaging 6.5 papers a year. Output peaked at 25 publications in 2005. 14 of the 242 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2005. 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 2 publications 1993: 3 publications 1994: 4 publications 1995: 4 publications 1996: 6 publications 1997: 6 publications 1998: 0 publications 1999: 3 publications 2000: 1 publication 2001: 4 publications 2002: 6 publications 2003: 4 publications 2004: 8 publications 2005: 25 publications 2006: 8 publications 2007: 10 publications 2008: 6 publications 2009: 9 publications 2010: 15 publications 2011: 10 publications 2012: 8 publications 2013: 6 publications 2014: 8 publications 2015: 11 publications 2016: 6 publications 2017: 8 publications 2018: 15 publications 2019: 1 publication 2020: 12 publications 2021: 7 publications 2022: 3 publications 2023: 8 publications 2024: 8 publications 2025: 6 publications
1989 2025

242 publications in total across all disciplines

View publications per year as a table
Frank A. Hegmann: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 0
1992 2
1993 3
1994 4
1995 4
1996 6
1997 6
1998 0
1999 3
2000 1
2001 4
2002 6
2003 4
2004 8
2005 25
2006 8
2007 10
2008 6
2009 9
2010 15
2011 10
2012 8
2013 6
2014 8
2015 11
2016 6
2017 8
2018 15
2019 1
2020 12
2021 7
2022 3
2023 8
2024 8
2025 6
Total 242
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Frank A. Hegmann publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Frank A. Hegmann sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 210–229 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 213 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862 213
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Frank A. Hegmann D-index placement in Materials Science in 2026

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

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 50 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657 50
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Frank A. Hegmann is affiliated with the University of Alberta in Canada, focusing on research within engineering and physics and astronomy. Their work predominantly spans electrical and electronic engineering as well as atomic and molecular physics and optics, with contributions also in materials chemistry, biomedical engineering, and mechanics of materials.

The primary topics of Hegmann's research include terahertz technology and applications, laser-induced spectroscopy and plasma, microbial inactivation methods, advanced semiconductor detectors and materials, semiconductor quantum structures and devices, advanced photocatalysis techniques, and quantum dots synthesis and properties.

Frequent co-authors in their research work include David N. Purschke, Charles E. Jensen, Cameron M. Hough, Chenxi Huang, and Brad Warkentin.

Published research by Frank A. Hegmann has appeared in several scientific venues, reflecting a focus on terahertz science and technology. These venues include IEEE Transactions on Terahertz Science and Technology, the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Nature Photonics, Journal of Physics Condensed Matter, and ACS Applied Materials & Interfaces.

Selected recent papers include:

  • Nanoscale terahertz scanning probe microscopy, 2021, Nature Photonics
  • The 2021 ultrafast spectroscopic probes of condensed matter roadmap, 2021, Journal of Physics Condensed Matter
  • Photocatalytic Mechanism Control and Study of Carrier Dynamics in CdS@C3N5 Core-Shell Nanowires, 2021, ACS Applied Materials & Interfaces
  • Nanoscale terahertz STM imaging of a metal surface, 2020, Physical review. B./Physical review. B
  • Terahertz Excitonics in Carbon Nanotubes: Exciton Autoionization and Multiplication, 2020, Nano Letters

Best Publications

  • An ultrafast terahertz scanning tunnelling microscope

    Tyler L. Cocker;Vedran Jelic;Manisha Gupta;Sean J. Molesky

  • Terahertz conductivity of thin gold films at the metal-insulator percolation transition

    M. Walther;David Cooke;C. Sherstan;M. Hajar

  • Polyynes as a model for carbyne: synthesis, physical properties, and nonlinear optical response.

    Sara Eisler;Aaron D. Slepkov;Erin Elliott;Thanh Luu

  • Generation of 1.5 microJ single-cycle terahertz pulses by optical rectification from a large aperture ZnTe crystal.

    F. Blanchard;L. Razzari;H. C. Bandulet;G. Sharma

  • Size vs surface: tuning the photoluminescence of freestanding silicon nanocrystals across the visible spectrum via surface groups.

    Mita Dasog;Glenda B. De los Reyes;Lyubov V. Titova;Frank A. Hegmann

  • Microscopic origin of the Drude-Smith model

    T. L. Cocker;T. L. Cocker;D. Baillie;M. Buruma;L. V. Titova

  • Phase diagram of the ultrafast photoinduced insulator-metal transition in vanadium dioxide

    T. L. Cocker;L. V. Titova;S. Fourmaux;G. Holloway

  • Nanoscale terahertz scanning probe microscopy

    T. L. Cocker;V. Jelic;R. Hillenbrand;R. Hillenbrand;F. A. Hegmann

  • Transient terahertz conductivity in photoexcited silicon nanocrystal films

    David Cooke;A. N. MacDonald;A. Hryciw;J. Wang

  • Bandlike transport in pentacene and functionalized pentacene thin films revealed by subpicosecond transient photoconductivity measurements

    O. Ostroverkhova;David Cooke;S. Shcherbyna;R. F. Egerton

  • Ultrafast terahertz control of extreme tunnel currents through single atoms on a silicon surface

    Vedran Jelic;Krzysztof Iwaszczuk;Peter H. Nguyen;Christopher Rathje

  • Ultrafast carrier relaxation in radiation-damaged silicon on sapphire studied by optical-pump–terahertz-probe experiments

    K. P. H. Lui;F. A. Hegmann

  • The surprising nonlinear optical properties of conjugated polyyne oligomers

    Aaron D. Slepkov;Frank A. Hegmann;Sara Eisler;Erin Elliott

  • Intense THz pulses cause H2AX phosphorylation and activate DNA damage response in human skin tissue

    Lyubov V. Titova;Ayesheshim K. Ayesheshim;Andrey Golubov;Dawson Fogen

  • Optical and transient photoconductive properties of pentacene and functionalized pentacene thin films: Dependence on film morphology

    Oksana Ostroverkhova;Svitlana Shcherbyna;David G. Cooke;Ray F. Egerton

  • Nonlinear ultrafast modulation of the optical absorption of intense few-cycle terahertz pulses in n -doped semiconductors

    L. Razzari;L. Razzari;F. H. Su;G. Sharma;F. Blanchard

  • Electron mobility in dilute GaAs bismide and nitride alloys measured by time-resolved terahertz spectroscopy

    David Cooke;F. A. Hegmann;E. C. Young;T. Tiedje

  • Ultrafast carrier dynamics in pentacene, functionalized pentacene, tetracene, and rubrene single crystals

    O. Ostroverkhova;David Cooke;F. A. Hegmann;J. E. Anthony

  • Picosecond transient photoconductivity in functionalized pentacene molecular crystals probed by terahertz pulse spectroscopy.

    F. A. Hegmann;R. R. Tykwinski;K. P. H. Lui;J. E. Bullock

  • Intense THz pulses down-regulate genes associated with skin cancer and psoriasis: a new therapeutic avenue?

    Lyubov V. Titova;Ayesheshim K. Ayesheshim;Andrey Golubov;Rocio Rodriguez-Juarez

  • Intrinsic picosecond response times of Y–Ba–Cu–O superconducting photodetectors

    M. Lindgren;M. Currie;C. Williams;T. Y. Hsiang

Frequent Co-Authors

Rik R. Tykwinski
Rik R. Tykwinski University of Alberta
Luca Razzari
Luca Razzari Institut National de la Recherche Scientifique
Roberto Morandotti
Roberto Morandotti Institut National de la Recherche Scientifique
John E. Anthony
John E. Anthony University of Kentucky
Olga Kovalchuk
Olga Kovalchuk University of Lethbridge
Roman Sobolewski
Roman Sobolewski University of Rochester
Kenji Kamada
Kenji Kamada National Institute of Advanced Industrial Science and Technology
Markus Walther
Markus Walther Friedrich Schiller University Jena
Jonathan G. C. Veinot
Jonathan G. C. Veinot University of Alberta
Bernhard Rieger
Bernhard Rieger Technical University of Munich

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