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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 109 848 748 339 270 478 41277

Robert J. Hamers publications per year

The chart shows the history of publications by Robert J. Hamers between 1982 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert J. Hamers published across 45 years, from 1982 to 2026, averaging 11.8 papers a year. Output peaked at 25 publications in 2017. 7 of the 533 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1982 to 2026. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2017. 1982: 1 publication 1983: 0 publications 1984: 1 publication 1985: 2 publications 1986: 10 publications 1987: 11 publications 1988: 12 publications 1989: 11 publications 1990: 7 publications 1991: 9 publications 1992: 4 publications 1993: 4 publications 1994: 10 publications 1995: 6 publications 1996: 10 publications 1997: 7 publications 1998: 11 publications 1999: 7 publications 2000: 11 publications 2001: 14 publications 2002: 14 publications 2003: 13 publications 2004: 9 publications 2005: 18 publications 2006: 19 publications 2007: 19 publications 2008: 16 publications 2009: 17 publications 2010: 12 publications 2011: 18 publications 2012: 17 publications 2013: 21 publications 2014: 22 publications 2015: 20 publications 2016: 17 publications 2017: 25 publications 2018: 24 publications 2019: 17 publications 2020: 19 publications 2021: 12 publications 2022: 9 publications 2023: 15 publications 2024: 5 publications 2025: 6 publications 2026: 1 publication
1982 2026

533 publications in total across all disciplines

View publications per year as a table
Robert J. Hamers: publications per year, 1982 to 2026
Year Publications
1982 1
1983 0
1984 1
1985 2
1986 10
1987 11
1988 12
1989 11
1990 7
1991 9
1992 4
1993 4
1994 10
1995 6
1996 10
1997 7
1998 11
1999 7
2000 11
2001 14
2002 14
2003 13
2004 9
2005 18
2006 19
2007 19
2008 16
2009 17
2010 12
2011 18
2012 17
2013 21
2014 22
2015 20
2016 17
2017 25
2018 24
2019 17
2020 19
2021 12
2022 9
2023 15
2024 5
2025 6
2026 1
Total 533
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Robert J. Hamers publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Robert J. Hamers sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 461–480 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 478 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265 478
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Robert J. Hamers D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Robert J. Hamers sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 108–109 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 109 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68 109
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Research.com Recognitions

  • 2004 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2000 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Robert J. Hamers is affiliated with the University of Wisconsin-Madison in the United States. Their research primarily focuses on materials science and engineering, with a strong emphasis on materials chemistry and electrical and electronic engineering. They also work in biomedical engineering, molecular biology, and plant science as subfields within their research portfolio.

Their published work spans a range of topics including:

  • Diamond and Carbon-based Materials Research
  • Nanoparticles: synthesis and applications
  • Advancements in Battery Materials
  • Advanced Nanomaterials in Catalysis
  • Extraction and Separation Processes
  • Force Microscopy Techniques and Applications
  • Electronic and Structural Properties of Oxides

Robert J. Hamers has contributed to multiple recent papers, notably:

  • "Advanced material modulation of nutritional and phytohormone status alleviates damage from soybean sudden death syndrome" (2020) published in Nature Nanotechnology
  • "Multicolor polymeric carbon dots: synthesis, separation and polyamide-supported molecular fluorescence" (2020) published in Chemical Science
  • "Influence of the Spatial Distribution of Cationic Functional Groups at Nanoparticle Surfaces on Bacterial Viability and Membrane Interactions" (2020) published in Journal of the American Chemical Society
  • "Copper Nanomaterial Morphology and Composition Control Foliar Transfer through the Cuticle and Mediate Resistance to Root Fungal Disease in Tomato (Solanum lycopersicum)" (2020) published in Journal of Agricultural and Food Chemistry
  • "Biomolecular corona formation on CuO nanoparticles in plant xylem fluid" (2021) published in Environmental Science Nano

Their frequent coauthors include Elizabeth D. Laudadio, Jaya Borgatta, Jason C. White, Z. Vivian Feng, and Jenny Orbeck. Collaboration with these scholars has resulted in multiple studies across related fields.

Key venues for their publications are:

  • Environmental Science Nano
  • Langmuir
  • Nature Nanotechnology
  • Journal of Agricultural and Food Chemistry
  • Chemical Research in Toxicology

Throughout their career, Robert J. Hamers has been recognized by the scientific community with awards such as Fellow of the American Association for the Advancement of Science (AAAS) in 2004 and Fellow of the John Simon Guggenheim Memorial Foundation in 2000.

Best Publications

  • Surface Electronic Structure of Si(111)-(7 × 7) Resolved in Real Space

    R. J. Hamers;R. M. Tromp;J. E. Demuth

  • Surface electronic structure of Si(111)-(7x7) resolved in real space.

    Hamers Rj;Tromp Rm;Demuth Je

  • Scanning tunneling microscopy of Si(001).

    R. J. Hamers;R. M. Tromp;J. E. Demuth

  • Photo-illuminated diamond as a solid-state source of solvated electrons in water for nitrogen reduction

    Di Zhu;Linghong Zhang;Rose E. Ruther;Robert J. Hamers

  • DNA-modified nanocrystalline diamond thin-films as stable, biologically active substrates.

    Wensha Yang;Orlando Auciello;James E. Butler;Wei Cai

  • Highly active hydrogen evolution catalysis from metallic WS2 nanosheets

    Mark A. Lukowski;Andrew S. Daniel;Caroline R. English;Fei Meng

  • Si(001) Dimer Structure Observed with Scanning Tunneling Microscopy

    R. M. Tromp;R. J. Hamers;J. E. Demuth

  • Highly Active Trimetallic NiFeCr Layered Double Hydroxide Electrocatalysts for Oxygen Evolution Reaction

    Yang Yang;Yang Yang;Lianna Dang;Melinda J. Shearer;Hongyuan Sheng

  • Synthesis and Characterization of DNA-Modified Silicon (111) Surfaces

    Todd Strother;Wei Cai;Xinsheng Zhao;Robert J. Hamers

  • Determination of the local electronic structure of atomic‐sized defects on Si(001) by tunneling spectroscopy

    R. J. Hamers;U. K. Köhler

  • Cycloaddition chemistry of organic molecules with semiconductor surfaces.

    Hamers Rj;Coulter Sk;Ellison;Hovis Js

  • Covalently Bonded Adducts of Deoxyribonucleic Acid (DNA) Oligonucleotides with Single-Wall Carbon Nanotubes: Synthesis and Hybridization

    Sarah E. Baker;Wei Cai;Tami L. Lasseter;Kevin P. Weidkamp

  • Distribution of thiobacillus ferrooxidans and leptospirillum ferrooxidans: implications for generation of acid mine drainage

    Matthew O. Schrenk;Katrina J. Edwards;Robert M. Goodman;Robert J. Hamers

  • Color-Pure Violet-Light-Emitting Diodes Based on Layered Lead Halide Perovskite Nanoplates.

    Dong Liang;Yuelin Peng;Yongping Fu;Melinda J. Shearer

  • Efficient photoelectrochemical hydrogen generation using heterostructures of Si and chemically exfoliated metallic MoS2.

    Qi Ding;Fei Meng;Caroline R. English;Miguel Cabán-Acevedo

  • Solution Growth of Single Crystal Methylammonium Lead Halide Perovskite Nanostructures for Optoelectronic and Photovoltaic Applications

    Yongping Fu;Fei Meng;Matthew B. Rowley;Blaise J. Thompson

  • Covalent attachment of oligodeoxyribonucleotides to amine-modified Si (001) surfaces

    Todd Strother;Robert J. Hamers;Lloyd M. Smith

  • Finite-temperature phase diagram of vicinal Si(100) surfaces.

    O. L. Alerhand;O. L. Alerhand;A. Nihat Berker;A. Nihat Berker;J. D. Joannopoulos;J. D. Joannopoulos;David Vanderbilt;David Vanderbilt

  • Atomic-Resolution Surface Spectroscopy with the Scanning Tunneling Microscope

    R. J. Hamers

  • Imaging chemical-bond formation with the scanning tunneling microscope: NH3 dissociation on Si(001).

    R. J. Hamers;Ph. Avouris;F. Bozso

Frequent Co-Authors

Song Jin
Song Jin University of Wisconsin–Madison
Christy L. Haynes
Christy L. Haynes University of Minnesota
James E. Butler
James E. Butler Euclid TechLabs, LLC
Lloyd M. Smith
Lloyd M. Smith University of Wisconsin–Madison
Catherine J. Murphy
Catherine J. Murphy University of Illinois at Urbana-Champaign
Rudolf M. Tromp
Rudolf M. Tromp IBM (United States)
Jillian F. Banfield
Jillian F. Banfield University of California, Berkeley
Padma Gopalan
Padma Gopalan University of Wisconsin–Madison
Thomas F. Kuech
Thomas F. Kuech University of Wisconsin–Madison
Qiang Cui
Qiang Cui Boston University

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