| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Materials Science | 94 | 1360 | 1304 | 433 | 404 | 523 | 43235 |
The chart shows the history of publications by Robert P. H. Chang between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert P. H. Chang published across 57 years, from 1969 to 2025, averaging 9.8 papers a year. Output peaked at 33 publications in 1998. 10 of the 560 publications appeared in the last two years.
560 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1969 | 2 |
| 1970 | 4 |
| 1971 | 0 |
| 1972 | 5 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 8 |
| 1978 | 7 |
| 1979 | 9 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 5 |
| 1983 | 6 |
| 1984 | 0 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 21 |
| 1990 | 6 |
| 1991 | 16 |
| 1992 | 11 |
| 1993 | 13 |
| 1994 | 25 |
| 1995 | 22 |
| 1996 | 18 |
| 1997 | 20 |
| 1998 | 33 |
| 1999 | 15 |
| 2000 | 6 |
| 2001 | 17 |
| 2002 | 11 |
| 2003 | 15 |
| 2004 | 12 |
| 2005 | 6 |
| 2006 | 16 |
| 2007 | 12 |
| 2008 | 20 |
| 2009 | 8 |
| 2010 | 7 |
| 2011 | 11 |
| 2012 | 14 |
| 2013 | 13 |
| 2014 | 25 |
| 2015 | 15 |
| 2016 | 26 |
| 2017 | 17 |
| 2018 | 14 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 0 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 8 |
| Total | 560 |
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 P. H. Chang sits on this spectrum.
This scientist: 523 publications — 88th percentile
88% 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 | 523 |
| 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 P. H. Chang sits on this spectrum.
This scientist: 94 D-Index — 89th percentile
89% 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 | |
| 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 | 94 |
| 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 P. H. Chang is affiliated with Northwestern University in the United States. Their research primarily spans the fields of Materials Science and Engineering, with a strong emphasis on Electrical and Electronic Engineering and Materials Chemistry.
The scientist's investigations cover various subfields including Health, Toxicology and Mutagenesis, Polymers and Plastics, and Atomic and Molecular Physics, and Optics. Research topics that appear frequently in their work are Thin-Film Transistor Technologies, ZnO doping and properties, Mercury impact and mitigation studies, Organic Light-Emitting Diodes Research, Photonic and Optical Devices, Semiconductor Quantum Structures and Devices, and Semiconductor Lasers and Optical Devices.
Notable recent publications include:
Robert P. H. Chang has collaborated frequently with several researchers, including:
Common venues for their publications include:
In 2008, Robert P. H. Chang was recognized as a Fellow of the Materials Research Society.
Feng Hao;Constantinos C. Stoumpos;Duyen Hanh Cao;Robert P. H. Chang
H. Cao;Y. G. Zhao;Seng-Tiong Ho;E. W. Seelig
In Chung;Byunghong Lee;Jiaqing He;Robert P. H. Chang
Michael D. Irwin;Donald B. Buchholz;Tobin J. Marks;Robert P.H. Chang
Feng Hao;Constantinos C. Stoumpos;Robert P. H. Chang;Mercouri G. Kanatzidis
Dong Yang;Xin Zhou;Ruixia Yang;Zhou Yang
Xugang Guo;Xugang Guo;Nanjia Zhou;Sylvia J. Lou;Jeremy Smith
Q. H. Wang;A. A. Setlur;J. M. Lauerhaas;Jiyan Dai
H. Cao;J. Y. Xu;D. Z. Zhang;Shih-hui Chang
Xiang Liu;Xiaohua Wu;Hui Cao;R. P. H. Chang
Quanchang Li;Vageesh Kumar;Yan Li;Haitao Zhang
Feng Hao;Constantinos C. Stoumpos;Peijun Guo;Nanjia Zhou
Byunghong Lee;Constantinos C. Stoumpos;Nanjia Zhou;Feng Hao
H. Cao;Y. G. Zhao;H. C. Ong;Seng-Tiong Ho
Q. H. Wang;T. D. Corrigan;Jiyan Dai;R. P.H. Chang
D. B. Buchholz;R P H Chang;J. Y. Song;John B Ketterson
M. Yan;M. Lane;C. R. Kannewurf;R. P. H. Chang
A. J. Freeman;K. R. Poeppelmeier;T. O. Mason;R. P. H. Chang
Feng Hao;Constantinos C. Stoumpos;Zhao Liu;Robert P. H. Chang
Xugang Guo;Nanjia Zhou;Sylvia J. Lou;Jonathan W. Hennek
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