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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 47 11120 10741 454 435 304 8312

Tomas Polcar publications per year

The chart shows the history of publications by Tomas Polcar between 2002 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tomas Polcar published across 24 years, from 2002 to 2025, averaging 14.1 papers a year. Output peaked at 36 publications in 2021. 47 of the 338 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2002 to 2025. Vertical axis: number of publications, 0 to 36. Peak 36 publications in 2021. 2002: 1 publication 2003: 1 publication 2004: 1 publication 2005: 3 publications 2006: 2 publications 2007: 13 publications 2008: 11 publications 2009: 10 publications 2010: 3 publications 2011: 11 publications 2012: 8 publications 2013: 17 publications 2014: 20 publications 2015: 29 publications 2016: 15 publications 2017: 15 publications 2018: 11 publications 2019: 16 publications 2020: 24 publications 2021: 36 publications 2022: 20 publications 2023: 24 publications 2024: 30 publications 2025: 17 publications
2002 2025

338 publications in total across all disciplines

View publications per year as a table
Tomas Polcar: publications per year, 2002 to 2025
Year Publications
2002 1
2003 1
2004 1
2005 3
2006 2
2007 13
2008 11
2009 10
2010 3
2011 11
2012 8
2013 17
2014 20
2015 29
2016 15
2017 15
2018 11
2019 16
2020 24
2021 36
2022 20
2023 24
2024 30
2025 17
Total 338
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Tomas Polcar 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 Tomas Polcar 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, 290–309 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: 304 publications — 61st percentile

61% 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
230–249 766
250–269 726
270–289 665
290–309 593 304
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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Tomas Polcar 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 Tomas Polcar 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, 46–47 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: 47 D-Index — 15th percentile

15% 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 47
48–49 598
50–51 657
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

Tomas Polcar is a researcher affiliated with the University of Southampton in the United Kingdom. Their work spans fields primarily in Engineering and Materials Science, demonstrating a focused engagement with advanced materials and their mechanical and chemical properties.

Their research significantly covers subfields such as Materials Chemistry, Mechanical Engineering, Mechanics of Materials, Electrical and Electronic Engineering, and Atomic and Molecular Physics, and Optics. This multidisciplinary approach reflects an emphasis on understanding materials at both atomic and macroscopic scales.

Key topics in Polcar's scholarly output include:

  • Metal and Thin Film Mechanics
  • Diamond and Carbon-based Materials Research
  • Fusion Materials and Technologies
  • 2D Materials and Applications
  • MXene and MAX Phase Materials
  • Advanced Materials and Composites
  • Force Microscopy Techniques and Applications

Polcar has published extensively with frequent contributions to journals such as:

  • SSRN Electronic Journal
  • Applied Surface Science
  • Acta Materialia
  • ACS Applied Materials & Interfaces
  • Journal of Nuclear Materials

The researcher has collaborated often with several colleagues, including N. Daghbouj, Antonio Cammarata, M. Callisti, Hüseyin Şener Şen, and Miroslav Karlík, indicating a network of partnerships in related material science and engineering domains.

Some of the recent papers involving Tomas Polcar include:

  • Precise control of the interlayer twist angle in large scale MoS2 homostructures (2020), published in Nature Communications
  • UItra-low friction and edge-pinning effect in large-lattice-mismatch van der Waals heterostructures (2021), published in Nature Materials
  • The structural evolution of light-ion implanted 6H-SiC single crystal: Comparison of the effect of helium and hydrogen (2020), published in Acta Materialia
  • Mechanisms of friction and wear reduction by h-BN nanosheet and spherical W nanoparticle additives to base oil: Experimental study and molecular dynamics simulation (2020), published in Tribology International
  • Revealing nanoscale strain mechanisms in ion-irradiated multilayers (2022), published in Acta Materialia

Best Publications

  • UItra-low friction and edge-pinning effect in large-lattice-mismatch van der Waals heterostructures.

    Mengzhou Liao;Mengzhou Liao;Paolo Nicolini;Luojun Du;Luojun Du;Jiahao Yuan

  • Precise control of the interlayer twist angle in large scale MoS2 homostructures.

    Mengzhou Liao;Mengzhou Liao;Zheng Wei;Luojun Du;Qinqin Wang

  • Electronic metal-support interaction enhanced oxygen reduction activity and stability of boron carbide supported platinum.

    Colleen Jackson;Graham T. Smith;Graham T. Smith;David W. Inwood;Andrew S. Leach

  • Review on self-lubricant transition metal dichalcogenide nanocomposite coatings alloyed with carbon

    T. Polcar;T. Polcar;A. Cavaleiro

  • Temperature dependence of tribological properties of MoS2 and MoSe2 coatings

    T. Kubart;T. Polcar;L. Kopecký;R. Novák

  • Comparison of tribological behaviour of TiN, TiCN and CrN at elevated temperatures

    T. Polcar;T. Kubart;R. Novák;L. Kopecký

  • High-temperature tribological properties of CrAlN, CrAlSiN and AlCrSiN coatings

    Tomas Polcar;Albano Cavaleiro

  • Friction and wear behaviour of CrN coating at temperatures up to 500 °C

    T. Polcar;N.M.G. Parreira;R. Novák

  • High temperature properties of CrAlN, CrAlSiN and AlCrSiN coatings – Structure and oxidation

    Tomas Polcar;Tomas Polcar;Albano Cavaleiro

  • Sliding properties of MoS2 layers: load and interlayer orientation effects

    G. Levita;A. Cavaleiro;Elisa Molinari;T. Polcar;T. Polcar

  • Structural, mechanical and tribological properties of Mo–S–C solid lubricant coating

    J.V. Pimentel;T. Polcar;T. Polcar;A. Cavaleiro

  • The tribological characteristics of TiCN coating at elevated temperatures

    T. Polcar;R. Novák;P. Široký

  • Influence of Ag content on mechanical and tribological behavior of DLC coatings

    N.K. Manninen;F. Ribeiro;A. Escudeiro;T. Polcar;T. Polcar

  • Microstructural evolution of helium-irradiated 6H–SiC subjected to different irradiation conditions and annealing temperatures: A multiple characterization study

    N. Daghbouj;B.S. Li;M. Callisti;H.S. Sen

  • High temperature tribology of CrN and multilayered Cr/CrN coatings

    T. Polcar;T. Polcar;R. Martinez;T. Vítů;L. Kopecký

  • Tribological characteristics of CrCN coatings at elevated temperature

    T. Polcar;L. Cvrček;P. Široký;R. Novák

  • Complex frictional analysis of self-lubricant W-S-C/Cr coating

    Tomas Polcar;Fredrik Gustavsson;Thomas Thersleff;Staffan Jacobson

  • The structural evolution of light-ion implanted 6H-SiC single crystal: Comparison of the effect of helium and hydrogen

    N. Daghbouj;B.S. Li;M. Callisti;H.S. Sen

  • Self-adaptive low friction coatings based on transition metal dichalcogenides

    Tomas Polcar;Tomas Polcar;Albano Cavaleiro

  • Influence of Cr additions on the structure and oxidation resistance of multilayered TiAlCrN films

    M. Danek;F. Fernandes;A. Cavaleiro;T. Polcar;T. Polcar

  • Tribological characterization of tungsten nitride coatings deposited by reactive magnetron sputtering

    T. Polcar;N.M.G. Parreira;A. Cavaleiro

  • Ultra-low friction W–S–N solid lubricant coating

    Fredrik Gustavsson;Staffan Jacobson;Albano Cavaleiro;Tomas Polcar

Frequent Co-Authors

Albano Cavaleiro
Albano Cavaleiro University of Coimbra
Javier Llorca
Javier Llorca Technical University of Madrid
Staffan Jacobson
Staffan Jacobson Uppsala University
Jon M. Molina-Aldareguia
Jon M. Molina-Aldareguia Madrid Institute for Advanced Studies
Mariana Henriques
Mariana Henriques University of Minho
Frans D. Tichelaar
Frans D. Tichelaar Delft University of Technology
Terence G. Langdon
Terence G. Langdon University of Southern California
Eduardo Alves
Eduardo Alves Instituto Superior Técnico
Anne Neville
Anne Neville University of Leeds
Altino Loureiro
Altino Loureiro University of Coimbra

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