World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 78 2946 2845 167 160 338 23773
Chemistry 78 3760 3409 278 255 377 24284

Mario Ruben publications per year

The chart shows the history of publications by Mario Ruben between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Mario Ruben published across 32 years, from 1994 to 2025, averaging 16.8 papers a year. Output peaked at 78 publications in 2023. 65 of the 538 publications appeared in the last two years.

No. of publications
25 50 75
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 78. Peak 78 publications in 2023. 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 1 publication 1999: 1 publication 2000: 8 publications 2001: 0 publications 2002: 0 publications 2003: 4 publications 2004: 7 publications 2005: 11 publications 2006: 10 publications 2007: 14 publications 2008: 26 publications 2009: 20 publications 2010: 17 publications 2011: 19 publications 2012: 17 publications 2013: 19 publications 2014: 19 publications 2015: 23 publications 2016: 31 publications 2017: 34 publications 2018: 24 publications 2019: 20 publications 2020: 11 publications 2021: 24 publications 2022: 34 publications 2023: 78 publications 2024: 42 publications 2025: 23 publications
1994 2025

538 publications in total across all disciplines

View publications per year as a table
Mario Ruben: publications per year, 1994 to 2025
Year Publications
1994 1
1995 0
1996 0
1997 0
1998 1
1999 1
2000 8
2001 0
2002 0
2003 4
2004 7
2005 11
2006 10
2007 14
2008 26
2009 20
2010 17
2011 19
2012 17
2013 19
2014 19
2015 23
2016 31
2017 34
2018 24
2019 20
2020 11
2021 24
2022 34
2023 78
2024 42
2025 23
Total 538
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Mario Ruben publications per year - data summary

  • Mario Ruben, a Materials Science scholar from Karlsruhe Institute of Technology, has 538 publications recorded across 32 years, from 1994 to 2025.
  • The oldest publication on record dates to 1994 and the most recent to 2025.
  • The most productive year is 2023, with 78 publications.
  • The least productive years with any output are 1994, 1998 and 1999, with 1 publication each.
  • 5 of the 32 years in the span carry no publications at all (1995, 1996, 1997, 2001 and others).
  • The rate of publication averages 16.8 papers per year over the whole span, or 19.9 per year counting only the 27 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 201 publications, 37% of the career total.
  • Split into equal eras - 1994-2004: 22 publications (2.0 per year); 2005-2015: 195 publications (17.7 per year); 2016-2025: 321 publications (32.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Mario Ruben 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 Mario Ruben 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, 330–349 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: 338 publications — 68th percentile

68% 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
330–349 477 338
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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Mario Ruben publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Mario Ruben, a Materials Science scholar from Karlsruhe Institute of Technology, records 338 publications - the 68th percentile of the discipline.
  • 68% of ranked Materials Science scientists score the same or lower than Mario Ruben, and about 32% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Mario Ruben ranks above the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Mario Ruben 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 Mario Ruben 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, 78–79 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: 78 D-Index — 77th percentile

77% 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
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 78
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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Mario Ruben D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Mario Ruben, a Materials Science scholar from Karlsruhe Institute of Technology, records 78 D-Index - the 77th percentile of the discipline.
  • 77% of ranked Materials Science scientists score the same or lower than Mario Ruben, and about 23% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Mario Ruben ranks above the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Mario Ruben is affiliated with the Karlsruhe Institute of Technology in Germany. Their research primarily focuses on materials science, with significant contributions to materials chemistry and electronic, optical, and magnetic materials. Their work also spans electrical and electronic engineering, atomic and molecular physics and optics, and inorganic chemistry.

The scientist's publications cover several main topics, including crystallization and solubility studies, X-ray diffraction in crystallography, magnetism in coordination complexes, lanthanide and transition metal complexes, electron spin resonance studies, molecular junctions and nanostructures, and quantum and electron transport phenomena.

Frequent publication venues for Mario Ruben include:

  • The Cambridge Structural Database
  • Zenodo (CERN European Organization for Nuclear Research)
  • Chemistry - A European Journal
  • Angewandte Chemie International Edition
  • Dalton Transactions

Notable recent papers by Mario Ruben include:

  • Ultra-narrow optical linewidths in rare-earth molecular crystals, 2022, Nature
  • Copper Porphyrin as a Stable Cathode for High-Performance Rechargeable Potassium Organic Batteries, 2020, ChemSusChem
  • Exploring superconductivity under strong coupling with the vacuum electromagnetic field, 2025, The Journal of Chemical Physics
  • Introduction of plumbole to f-element chemistry, 2021, Chemical Science
  • Optical spin-state polarization in a binuclear europium complex towards molecule-based coherent light-spin interfaces, 2021, Nature Communications

Mario Ruben has collaborated frequently with several researchers, including Peter W. Roesky, Luca Münzfeld, Eufemio Moreno Pineda, Sören Schlittenhardt, and Senthil Kumar Kuppusamy.

Best Publications

  • Grid-type metal ion architectures: functional metallosupramolecular arrays.

    Mario Ruben;Javier Rojo;Francisco J. Romero-Salguero;Lindsay H. Uppadine

  • Electronic read-out of a single nuclear spin using a molecular spin transistor

    Romain Vincent;Svetlana Klyatskaya;Mario Ruben;Mario Ruben;Wolfgang Wernsdorfer

  • Electrically driven nuclear spin resonance in single-molecule magnets

    Stefan Thiele;Stefan Thiele;Franck Balestro;Franck Balestro;Franck Balestro;Rafik Ballou;Rafik Ballou;Svetlana Klyatskaya

  • Emerging trends in spin crossover (SCO) based functional materials and devices

    Kuppusamy Senthil Kumar;Mario Ruben;Mario Ruben

  • Supramolecular spin valves

    Matias Urdampilleta;Svetlana Klyatskaya;Jean-Pierre Cleuziou;Mario Ruben;Mario Ruben

  • Graphene Spintronic Devices with Molecular Nanomagnets

    Andrea Candini;Svetlana Klyatskaya;Mario Ruben;Mario Ruben;Wolfgang Wernsdorfer

  • Homo-coupling of terminal alkynes on a noble metal surface

    Yi-Qi Zhang;Nenad Kepčija;Martin Kleinschrodt;Katharina Diller

  • Spin Crossover in a Supramolecular Fe4II [2×2] Grid Triggered by Temperature, Pressure, and Light

    Esther Breuning;Mario Ruben;Jean-Marie Lehn;Franz Renz

  • Metal−Organic Honeycomb Nanomeshes with Tunable Cavity Size

    U. Schlickum;R. Decker;F. Klappenberger;G. Zoppellaro

  • Molecular spin qudits for quantum algorithms

    Eufemio Moreno-Pineda;Clément Godfrin;Clément Godfrin;Franck Balestro;Franck Balestro;Franck Balestro;Wolfgang Wernsdorfer;Wolfgang Wernsdorfer

  • Operating Quantum States in Single Magnetic Molecules: Implementation of Grover's Quantum Algorithm.

    C. Godfrin;C. Godfrin;A. Ferhat;A. Ferhat;R. Ballou;R. Ballou;S. Klyatskaya

  • Strong spin-phonon coupling between a single-molecule magnet and a carbon nanotube nanoelectromechanical system

    Marc Ganzhorn;Svetlana Klyatskaya;Mario Ruben;Mario Ruben;Wolfgang Wernsdorfer

  • Toward Highly Reversible Magnesium–Sulfur Batteries with Efficient and Practical Mg[B(hfip)4]2 Electrolyte

    Zhirong Zhao-Karger;Runyu Liu;Wenxu Dai;Zhenyou Li

  • Sublimable Spin-Crossover Complexes: From Spin-State Switching to Molecular Devices.

    Kuppusamy Senthil Kumar;Mario Ruben;Mario Ruben

  • Surface-Assisted Assembly of 2D Metal–Organic Networks That Exhibit Unusual Threefold Coordination Symmetry†

    Sebastian Stepanow;Nian Lin;Dietmar Payer;Uta Schlickum

  • Controlled metalation of self-assembled porphyrin nanoarrays in two dimensions

    Willi Auwärter;Alexander Weber-Bargioni;Susan Brink;Andreas Riemann

  • 2D Supramolecular Assemblies of Benzene-1,3,5-triyl-tribenzoic Acid: Temperature-Induced Phase Transformations and Hierarchical Organization with Macrocyclic Molecules

    Mario Ruben;Dietmar Payer;Aitor Landa;Alessio Comisso

  • Electrical control over the Fe(II) spin crossover in a single molecule: Theory and experiment

    V. Meded;A. Bagrets;K. Fink;R. Chandrasekar

  • Electronic structure of surface-supported bis(phthalocyaninato) terbium(III) single molecular magnets.

    Lucia Vitali;Stefano Fabris;Adriano Mosca Conte;Susan Brink

  • Addressing metal centres in supramolecular assemblies

    Mario Ruben;Jean-Marie Lehn;Paul Müller

Frequent Co-Authors

Svetlana Klyatskaya
Svetlana Klyatskaya Karlsruhe Institute of Technology
Johannes V. Barth
Johannes V. Barth Technical University of Munich
Klaus Kern
Klaus Kern Max Planck Society
Florian Klappenberger
Florian Klappenberger Technical University of Munich
Wolfgang Wernsdorfer
Wolfgang Wernsdorfer Karlsruhe Institute of Technology
Nian Lin
Nian Lin Hong Kong University of Science and Technology
Jean-Marie Lehn
Jean-Marie Lehn University of Strasbourg
Giorgio Zoppellaro
Giorgio Zoppellaro Palacký University, Olomouc
Manfred M. Kappes
Manfred M. Kappes Karlsruhe Institute of Technology
Harald Brune
Harald Brune École Polytechnique Fédérale de Lausanne

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