| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Materials Science | 62 | 6460 | 6245 | 1641 | 1525 | 513 | 14064 |
The chart shows the history of publications by Robert W. Collins between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert W. Collins published across 47 years, from 1979 to 2025, averaging 11.5 papers a year. Output peaked at 23 publications in 2008. 8 of the 540 publications appeared in the last two years.
540 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 5 |
| 1983 | 1 |
| 1984 | 0 |
| 1985 | 8 |
| 1986 | 12 |
| 1987 | 10 |
| 1988 | 7 |
| 1989 | 6 |
| 1990 | 8 |
| 1991 | 18 |
| 1992 | 14 |
| 1993 | 16 |
| 1994 | 15 |
| 1995 | 11 |
| 1996 | 15 |
| 1997 | 16 |
| 1998 | 22 |
| 1999 | 13 |
| 2000 | 18 |
| 2001 | 9 |
| 2002 | 15 |
| 2003 | 14 |
| 2004 | 17 |
| 2005 | 17 |
| 2006 | 14 |
| 2007 | 5 |
| 2008 | 23 |
| 2009 | 13 |
| 2010 | 9 |
| 2011 | 19 |
| 2012 | 18 |
| 2013 | 15 |
| 2014 | 16 |
| 2015 | 13 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 21 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 16 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 2 |
| Total | 540 |
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 Robert W. Collins sits on this spectrum.
This scientist: 513 publications — 87th percentile
87% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,163 publications or more.
| 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 | |
| 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 | 513 |
| 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 |
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 Robert W. Collins sits on this spectrum.
This scientist: 62 D-Index — 51st percentile
51% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 165 D-Index or more.
| 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 | |
| 56–57 | 597 | |
| 58–59 | 610 | |
| 60–61 | 587 | |
| 62–63 | 606 | 62 |
| 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 |
Robert W. Collins is affiliated with the University of Toledo in the United States. Their research primarily intersects the fields of Engineering and Materials Science, with a focus on subfields including Materials Chemistry and Electrical and Electronic Engineering.
The scientist's work encompasses several main topics, notably:
Robert W. Collins has contributed to multiple recent publications spanning various areas related to thin film materials and photovoltaics. Notable papers include:
Frequent coauthors in their research collaborations have included:
Their publications appear in various scholarly venues, including:
Robert W. Collins has also contributed to book publications, particularly with the publisher World Scientific, which includes multiple editions of "The World Scientific Reference of Amorphous Materials" published in 2020.
In recognition of their work, they received the award of Fellow of the American Physical Society in 2013, with the citation highlighting advances in understanding optical properties and structures of thin film materials and devices, innovations in realtime spectroscopic ellipsometry, and leadership in collaborative research efforts involving industrial, government, and university laboratories.
A. S. Ferlauto;G. M. Ferreira;Joshua M. Pearce;C. R. Wronski
J. F. Ihlefeld;J. F. Ihlefeld;N. J. Podraza;Z. K. Liu;R. C. Rai
R.W. Collins;A.S. Ferlauto;G.M. Ferreira;Chi Chen
David L. Pappas;Katherine L. Saenger;John Bruley;William Krakow
H. Fujiwara;Joohyun Koh;P. I. Rovira;R. W. Collins
H. Windischmann;Glenn F. Epps;Yue Cong;R. W. Collins
Amit Kumar;Ram C. Rai;Nikolas J. Podraza;Sava Denev
Joohyun Koh;Yeeheng Lee;H. Fujiwara;C. R. Wronski
Joungchel Lee;P. I. Rovira;Ilsin An;R. W. Collins
Joohyun Koh;A. S. Ferlauto;P. I. Rovira;C. R. Wronski
R. W. Collins;Joohyun Koh
A. Hooper;G. L. Fisher;K. Konstadinidis;D. Jung
R.W. Collins;M.A. Paesler;William Paul
Dewei Zhao;Dewei Zhao;Weijun Ke;Corey R. Grice;Alexander J. Cimaroli
Joohyun Koh;Yiwei Lu;C. R. Wronski;Yalei Kuang
Jie Ge;Prakash Koirala;Corey R. Grice;Paul J. Roland
Hien V. Nguyen;Ilsin An;R. W. Collins
Robert W. Collins;K. Vedam
D. Abou-Ras;R. Caballero;C.-H. Fischer;C.A. Kaufmann
Unknown
R.W Collins;Ilsin An;H Fujiwara;Joungchel Lee
R.W. Collins;A.S. Ferlauto
Hiroyuki Fujiwara;Robert W. Collins
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