| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Materials Science | 47 | 10982 | 10610 | 609 | 590 | 190 | 13710 |
The chart shows the history of publications by Ralph Krupke between 1996 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ralph Krupke published across 29 years, from 1996 to 2024, averaging 6.8 papers a year. Output peaked at 16 publications in 2013. 8 of the 198 publications appeared in the last two years.
198 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 0 |
| 1999 | 3 |
| 2000 | 4 |
| 2001 | 0 |
| 2002 | 1 |
| 2003 | 11 |
| 2004 | 5 |
| 2005 | 11 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 3 |
| 2009 | 7 |
| 2010 | 10 |
| 2011 | 9 |
| 2012 | 11 |
| 2013 | 16 |
| 2014 | 12 |
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 14 |
| 2019 | 13 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| Total | 198 |
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 Ralph Krupke sits on this spectrum.
This scientist: 190 publications — 27th percentile
27% 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 | 190 |
| 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 | |
| 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 Ralph Krupke sits on this spectrum.
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.
| 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 |
Ralph Krupke is affiliated with the Karlsruhe Institute of Technology in Germany. Their research spans several areas within materials science, engineering, and physics and astronomy, with a particular focus on materials chemistry, electrical and electronic engineering, and atomic and molecular physics and optics.
Their work covers a range of topics, including:
Ralph Krupke has published multiple papers in significant scientific venues. Some recent publications include:
Frequent publication venues for their work include:
Collaborative work is prominent in their career, often co-authoring with several researchers. Frequent co-authors include:
Ralph Krupke's scholarly output integrates multidisciplinary approaches spanning engineering and the physical sciences, with contributions influential in understanding nanoscale materials and their optical and electronic properties.
Axel Eckmann;Alexandre Felten;Alexandre Felten;Artem Mishchenko;Liam Britnell
Ralph Krupke;Frank Hennrich;Hilbert v. Löhneysen;Manfred M. Kappes
R. S. Sundaram;M. Engel;A. Lombardo;R. Krupke;R. Krupke
Ralph Krupke;Frank Hennrich;H. B. Weber;Manfred M. Kappes
Michael Engel;Mathias Steiner;Antonio Lombardo;Andrea C. Ferrari
Aravind Vijayaraghavan;Sabine Blatt;Daniel Weissenberger;Matti Oron-Carl
Ralph Krupke;Frank Hennrich;Manfred M. Kappes;Hilbert von Löhneysen
Frank Hennrich;Ralph Krupke;Katharina Arnold;Jan A Rojas Stütz
X. He;H. Htoon;S. K. Doorn;W. H. P. Pernice
Svetlana Khasminskaya;Felix Pyatkov;Felix Pyatkov;Karolina Słowik;Karolina Słowik;Simone Ferrari;Simone Ferrari
Ralph Krupke;Stefan Linden;Michael Rapp;Frank Hennrich
Frank Hennrich;Ralph Krupke;Sergei Lebedkin;Katharina Arnold
Ralph Krupke;Frank Hennrich;H. B. Weber;D. Beckmann
Daniel D. Tune;Benjamin S. Flavel;Ralph Krupke;Ralph Krupke;Joseph G. Shapter
Christoph W. Marquardt;Sergio Grunder;Alfred Błaszczyk;Alfred Błaszczyk;Simone Dehm
Ralph Krupke;G. Deutscher
Felix Pyatkov;Felix Pyatkov;Valentin Fütterling;Svetlana Khasminskaya;Benjamin S. Flavel
Benjamin S. Flavel;Manfred M. Kappes;Ralph Krupke;Ralph Krupke;Frank Hennrich
Ravi S. Sundaram;Mathias Steiner;Hsin-Ying Chiu;Michael Engel
Mathias Steiner;Michael Engel;Yu Ming Lin;Yanqing Wu
Ralph Krupke;Michael Engel;Mathias Steiner;Antonio Lombardo
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