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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 78 3914 3549 293 270 366 15583

Sjoerd Harder publications per year

The chart shows the history of publications by Sjoerd Harder between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sjoerd Harder published across 39 years, from 1987 to 2025, averaging 20.7 papers a year. Output peaked at 126 publications in 2020. 38 of the 806 publications appeared in the last two years.

No. of publications
25 50 75 100 125
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 126. Peak 126 publications in 2020. 1987: 3 publications 1988: 4 publications 1989: 5 publications 1990: 3 publications 1991: 3 publications 1992: 4 publications 1993: 3 publications 1994: 4 publications 1995: 3 publications 1996: 6 publications 1997: 2 publications 1998: 5 publications 1999: 8 publications 2000: 4 publications 2001: 7 publications 2002: 10 publications 2003: 6 publications 2004: 11 publications 2005: 5 publications 2006: 8 publications 2007: 9 publications 2008: 16 publications 2009: 18 publications 2010: 11 publications 2011: 5 publications 2012: 5 publications 2013: 10 publications 2014: 15 publications 2015: 21 publications 2016: 68 publications 2017: 58 publications 2018: 65 publications 2019: 81 publications 2020: 126 publications 2021: 77 publications 2022: 41 publications 2023: 38 publications 2024: 16 publications 2025: 22 publications
1987 2025

806 publications in total across all disciplines

View publications per year as a table
Sjoerd Harder: publications per year, 1987 to 2025
Year Publications
1987 3
1988 4
1989 5
1990 3
1991 3
1992 4
1993 3
1994 4
1995 3
1996 6
1997 2
1998 5
1999 8
2000 4
2001 7
2002 10
2003 6
2004 11
2005 5
2006 8
2007 9
2008 16
2009 18
2010 11
2011 5
2012 5
2013 10
2014 15
2015 21
2016 68
2017 58
2018 65
2019 81
2020 126
2021 77
2022 41
2023 38
2024 16
2025 22
Total 806
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Sjoerd Harder 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 Sjoerd Harder 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, 361–380 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: 366 publications — 75th percentile

75% 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
361–380 522 366
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
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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Sjoerd Harder 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 Sjoerd Harder 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, 78–79 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: 78 D-Index — 79th percentile

79% 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 78
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
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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Overview

Sjoerd Harder is affiliated with the University of Erlangen-Nuremberg in Germany. Their research primarily spans the fields of Materials Science and Chemistry, with a particular focus on subfields such as Materials Chemistry, Organic Chemistry, Inorganic Chemistry, Physical and Theoretical Chemistry, and Process Chemistry and Technology.

The scientific work covers topics including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Coordination Chemistry and Organometallics
  • Organometallic Complex Synthesis and Catalysis
  • Synthesis and characterization of novel inorganic/organometallic compounds
  • Organoboron and organosilicon chemistry
  • Asymmetric Hydrogenation and Catalysis

Frequent publication venues for their research include:

  • The Cambridge Structural Database
  • Angewandte Chemie International Edition
  • Angewandte Chemie
  • European Journal of Inorganic Chemistry
  • Chemical Communications

Sjoerd Harder has collaborated often with these coauthors:

  • Jens Langer
  • Holger Elsen
  • Jonathan Eyselein
  • Michael Wiesinger
  • Johannes Martin

Among recent papers authored with notable citation counts are:

  • Dinitrogen complexation and reduction at low-valent calcium, 2021, Science
  • Strongly reducing magnesium(0) complexes, 2021, Nature
  • Boosting Low-Valent Aluminum(I) Reactivity with a Potassium Reagent, 2020, Angewandte Chemie International Edition
  • New horizons in low oxidation state group 2 metal chemistry, 2021, Chemical Communications
  • Highly Active Superbulky Alkaline Earth Metal Amide Catalysts for Hydrogenation of Challenging Alkenes and Aromatic Rings, 2020, Angewandte Chemie International Edition

Best Publications

  • From limestone to catalysis: application of calcium compounds as homogeneous catalysts.

    Sjoerd Harder

  • Rational design of a well-defined soluble calcium hydride complex

    Sjoerd Harder;Julie Brettar

  • Early Main‐Group Metal Catalysts for the Hydrogenation of Alkenes with H2

    Jan Spielmann;Frank Buch;Sjoerd Harder

  • Hydrosilylation of alkenes with early main-group metal catalysts.

    Frank Buch;Julie Brettar;Sjoerd Harder

  • Dinitrogen complexation and reduction at low-valent calcium

    B. Rösch;T. X. Gentner;J. Langer;C. Färber

  • The chemistry of CaII and YbII: astoundingly similar but not equal!

    Sjoerd Harder

  • Imine hydrogenation with simple alkaline earth metal catalysts

    Heiko Bauer;Mercedes Alonso;Christian Färber;Holger Elsen

  • Novel Calcium Half-Sandwich Complexes for the Living and Stereoselective Polymerization of Styrene.

    Sjoerd Harder;Florian Feil;Konrad Knoll

  • Structure of a Benzylcalcium Diastereomer: An Initiator for the Anionic Polymerization of Styrene

    Sjoerd Harder;Florian Feil;Armin Weeber

  • Bimetallic Calcium and Zinc Complexes with Bridged β-Diketiminate Ligands: Investigations on Epoxide/CO2 Copolymerization

    Dirk F.-J. Piesik;Sven Range;Sjoerd Harder

  • Strongly reducing magnesium(0) complexes

    Unknown

  • Calcium Amidoborane Hydrogen Storage Materials: Crystal Structures of Decomposition Products

    Jan Spielmann;Georg Jansen;Heinz Bandmann;Sjoerd Harder

  • Dimeric benzylcalcium complexes: Influence of THF in stereoselective styrene polymerization

    Sjoerd Harder;Florian Feil

  • α,α-Bis(trimethylsilyl)-Substituted Benzyl Complexes of Potassium and Calcium

    Florian Feil;Sjoerd Harder

  • Methylalumoxane – History, Production, Properties, and Applications

    Unknown

  • Molecular early main group metal hydrides: synthetic challenge, structures and applications

    Sjoerd Harder

  • Homoleptic β-diketiminato complexes of the alkaline-earth metals: Trends in the series Mg, Ca, Sr, and Ba

    Sjoerd Harder

  • Reduction of Ketones with Hydrocarbon-Soluble Calcium Hydride: Stoichiometric Reactions and Catalytic Hydrosilylation

    Jan Spielmann;Sjoerd Harder

  • Hydrocarbon-soluble calcium hydride : A worker-bee in calcium chemistry

    Jan Spielmann;Sjoerd Harder

  • Syntheses and Crystal Structures of Simple Dibenzylcalcium Complexes: Useful Reagents in the Preparation of Calcium Compounds

    Sjoerd Harder;Stefanie MüLLER;Eike HüBNER

  • Remarkable Stability of Metallocenes with Superbulky Ligands: Spontaneous Reduction of SmIII to SmII

    Christian Ruspic;John R. Moss;Markus Schürmann;Sjoerd Harder

  • Hydrogen Storage in Magnesium Hydride : The Molecular Approach

    Sjoerd Harder;Jan Spielmann;Julia Intemann;Heinz Bandmann

Frequent Co-Authors

Hans-Herbert Brintzinger
Hans-Herbert Brintzinger University of Konstanz
Georg Jansen
Georg Jansen University of Duisburg-Essen
Martin Lutz
Martin Lutz Utrecht University
Johannes G. de Vries
Johannes G. de Vries Leibniz Institute for Catalysis
Timo Repo
Timo Repo University of Helsinki
Hero J. Heeres
Hero J. Heeres University of Groningen
Christian Müller
Christian Müller Freie Universität Berlin
Stephan Schulz
Stephan Schulz University of Duisburg-Essen
Markus Schürmann
Markus Schürmann TU Dortmund University
Herbert W. Roesky
Herbert W. Roesky University of Göttingen

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