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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 54 8817 8515 2160 2002 311 12515

Roger H. French publications per year

The chart shows the history of publications by Roger H. French between 1979 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roger H. French published across 48 years, from 1979 to 2026, averaging 9.4 papers a year. Output peaked at 29 publications in 2019. 26 of the 453 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1979 to 2026. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2019. 1979: 2 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 1 publication 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 3 publications 1988: 4 publications 1989: 5 publications 1990: 13 publications 1991: 6 publications 1992: 5 publications 1993: 4 publications 1994: 12 publications 1995: 4 publications 1996: 10 publications 1997: 5 publications 1998: 3 publications 1999: 4 publications 2000: 9 publications 2001: 16 publications 2002: 8 publications 2003: 13 publications 2004: 13 publications 2005: 12 publications 2006: 12 publications 2007: 6 publications 2008: 6 publications 2009: 9 publications 2010: 5 publications 2011: 11 publications 2012: 9 publications 2013: 13 publications 2014: 8 publications 2015: 18 publications 2016: 11 publications 2017: 22 publications 2018: 12 publications 2019: 29 publications 2020: 24 publications 2021: 23 publications 2022: 11 publications 2023: 18 publications 2024: 27 publications 2025: 24 publications 2026: 2 publications
1979 2026

453 publications in total across all disciplines

View publications per year as a table
Roger H. French: publications per year, 1979 to 2026
Year Publications
1979 2
1980 0
1981 0
1982 0
1983 1
1984 0
1985 1
1986 0
1987 3
1988 4
1989 5
1990 13
1991 6
1992 5
1993 4
1994 12
1995 4
1996 10
1997 5
1998 3
1999 4
2000 9
2001 16
2002 8
2003 13
2004 13
2005 12
2006 12
2007 6
2008 6
2009 9
2010 5
2011 11
2012 9
2013 13
2014 8
2015 18
2016 11
2017 22
2018 12
2019 29
2020 24
2021 23
2022 11
2023 18
2024 27
2025 24
2026 2
Total 453
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Roger H. French 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 Roger H. French 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, 310–329 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: 311 publications — 62nd percentile

62% 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
310–329 537 311
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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Roger H. French 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 Roger H. French 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, 54–55 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: 54 D-Index — 32nd percentile

32% 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
52–53 667
54–55 621 54
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

Roger H. French is affiliated with Case Western Reserve University in the United States. Their research is primarily situated within the broad field of engineering, with a significant focus on electrical and electronic engineering, renewable energy, sustainability, artificial intelligence, environmental engineering, and mechanical engineering.

The scientist's publication record highlights active contributions to the areas of photovoltaic technology and sustainability. Main research topics include:

  • Photovoltaic System Optimization Techniques
  • Silicon and Solar Cell Technologies
  • Photovoltaic Systems and Sustainability
  • Solar Radiation and Photovoltaics
  • Solar Cell Performance Optimization
  • Energy Load and Power Forecasting
  • Industrial Vision Systems and Defect Detection

Roger H. French has authored numerous papers in notable venues. Frequent publication outlets include:

  • IEEE Journal of Photovoltaics
  • Integrating Materials and Manufacturing Innovation
  • 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC)
  • MRS Advances
  • Solar Energy Materials and Solar Cells

Representative recent papers from this researcher are:

  • "Generalized and Mechanistic PV Module Performance Prediction From Computer Vision and Machine Learning on Electroluminescence Images" (2020) in IEEE Journal of Photovoltaics
  • "Consolidated modeling and prediction of heat transfer coefficients for saturated flow boiling in mini/micro-channels using machine learning methods" (2022) in Applied Thermal Engineering
  • "Spatiotemporal Graph Neural Network for Performance Prediction of Photovoltaic Power Systems" (2021) in Proceedings of the AAAI Conference on Artificial Intelligence
  • "Impact of environmental variables on the degradation of photovoltaic components and perspectives for the reliability assessment methodology" (2020) in Solar Energy
  • "International collaboration framework for the calculation of performance loss rates: Data quality, benchmarks, and trends (towards a uniform methodology)" (2021) in Progress in Photovoltaics Research and Applications

Their frequent collaborators include Laura S. Bruckman, Kristopher O. Davis, Jennifer L. Braid, Yinghui Wu, and Jean-Nicolas Jaubert, indicating engagement in collaborative research projects across multiple domains and institutions.

Best Publications

  • Bulk electronic structure of SrTiO3: Experiment and theory

    K. van Benthem;C. Elsässer;R. H. French

  • Experimental and theoretical determination of the electronic structure and optical properties of three phases of {ZrO2}

    R. H. French;S. J. Glass;F. S. Ohuchi;Y. N. Xu

  • Electronic Band Structure of {Al2O3}, with Comparison to Alon and {AIN}

    Roger H. French

  • Vibrational Spectroscopy of Aluminum Nitride

    Laurie E. McNeil;Marcos Grimsditch;Roger H. French

  • Long Range Interactions in Nanoscale Science.

    Roger H. French;V. Adrian Parsegian;Rudolf Podgornik;Rick F. Rajter

  • Origins and Applications of London Dispersion Forces and Hamaker Constants in Ceramics

    Roger H. French;Roger H. French

  • Comparisons of Hamaker constants for ceramic systems with intervening vacuum or water : From force laws and physical properties

    Harold D. Ackler;Roger H. French;Yet-Ming Chiang

  • Optical Properties of Aluminum Oxide: Determined from Vacuum Ultraviolet and Electron {Energy-Loss} Spectroscopies

    Roger H. French;Harald Müllejans;David J. Jones

  • Parametric tip model and force-distance relation for Hamaker constant determination from atomic force microscopy

    C. Argento;R. H. French

  • Method for providing nano-structures of uniform length

    Roger Harquail French;Timothy Gierke;Mark Andrew Harmer;Anand Jagota

  • Optical properties of Teflon ® AF amorphous fluoropolymers

    Min K. Yang;Roger H. French;Edward W. Tokarsky

  • Thin Glass Film between Ultrafine Conductor Particles in Thick-Film Resistors

    Yet-Ming Chiang;Lee A. Silverman;Roger H. French;Rowland M. Cannon

  • Temperature dependence of the electronic structure of oxides: MgO, MgAl2O4 and Al2O3

    M L Bortz;R H French;D J Jones;R V Kasowski

  • Full spectral calculation of non-retarded Hamaker constants for ceramic systems from interband transition strengths

    R.H. French;R.M. Cannon;L.K. DeNoyer;Y.-M. Chiang

  • Electronic structure of β- BaB 2 O 4 and LiB 3 O 5 nonlinear optical crystals

    R. H. French;J. W. Ling;F. S. Ohuchi;C. T. Chen

  • Heteroepitaxy of N-type β-Ga2O3 thin films on sapphire substrate by low pressure chemical vapor deposition

    Subrina Rafique;Lu Han;Adam T. Neal;Shin Mou

  • Optical reflectivity measurements using a laser plasma light source

    M. L. Bortz;R. H. French

  • Optical properties and London dispersion interaction of amorphous and crystalline SiO 2 determined by vacuum ultraviolet spectroscopy and spectroscopic ellipsometry

    G. L. Tan;M. F. Lemon;D. J. Jones;R. H. French;R. H. French

  • Multiple scattering from rutile TiO2 particles

    L.E McNeil;R.H French

  • Annual review of materials research

    Samuel I. Stupp;Richard Lesar;Klaus-Dieter Kreuer;Evelyn Hu

Frequent Co-Authors

Rudolf Podgornik
Rudolf Podgornik University of Chinese Academy of Sciences
Wai-Yim Ching
Wai-Yim Ching University of Missouri–Kansas City
Nicole F. Steinmetz
Nicole F. Steinmetz University of California, San Diego
David Moser
David Moser European Academy of Bozen
Manfred Rühle
Manfred Rühle Max Planck Society
Dawn A. Bonnell
Dawn A. Bonnell University of Pennsylvania
Rowland M. Cannon
Rowland M. Cannon Lawrence Berkeley National Laboratory
Anand Jagota
Anand Jagota Lehigh University
Robert D. Miller
Robert D. Miller Stanford University

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