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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 58 10824 9771 778 698 178 9845

Michael Haumann publications per year

The chart shows the history of publications by Michael Haumann between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Michael Haumann published across 33 years, from 1993 to 2025, averaging 6 papers a year. Output peaked at 15 publications in 2022. 14 of the 199 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2022. 1993: 1 publication 1994: 4 publications 1995: 3 publications 1996: 4 publications 1997: 4 publications 1998: 2 publications 1999: 3 publications 2000: 0 publications 2001: 2 publications 2002: 4 publications 2003: 3 publications 2004: 2 publications 2005: 13 publications 2006: 6 publications 2007: 5 publications 2008: 5 publications 2009: 7 publications 2010: 1 publication 2011: 10 publications 2012: 9 publications 2013: 7 publications 2014: 6 publications 2015: 11 publications 2016: 10 publications 2017: 9 publications 2018: 11 publications 2019: 7 publications 2020: 7 publications 2021: 5 publications 2022: 15 publications 2023: 9 publications 2024: 11 publications 2025: 3 publications
1993 2025

199 publications in total across all disciplines

View publications per year as a table
Michael Haumann: publications per year, 1993 to 2025
Year Publications
1993 1
1994 4
1995 3
1996 4
1997 4
1998 2
1999 3
2000 0
2001 2
2002 4
2003 3
2004 2
2005 13
2006 6
2007 5
2008 5
2009 7
2010 1
2011 10
2012 9
2013 7
2014 6
2015 11
2016 10
2017 9
2018 11
2019 7
2020 7
2021 5
2022 15
2023 9
2024 11
2025 3
Total 199
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Michael Haumann 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 Michael Haumann 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, 161–180 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: 178 publications — 24th percentile

24% 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 1,350 178
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
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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Michael Haumann 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 Michael Haumann 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, 58–59 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: 58 D-Index — 42nd percentile

42% 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 58
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
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

Michael Haumann is affiliated with Freie Universität Berlin in Germany. Their research primarily spans the fields of Chemistry and Materials Science, with a particular focus on subfields such as Materials Chemistry, Renewable Energy, Sustainability and the Environment, Inorganic Chemistry, Electrical and Electronic Engineering, and Organic Chemistry.

The scientist's work covers a range of topics including:

  • Metal-Catalyzed Oxygenation Mechanisms
  • Electrocatalysts for Energy Conversion
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Electrochemical Analysis and Applications
  • Advanced Battery Technologies Research
  • Metal Complexes Synthesis and Properties

Michael Haumann has published extensively in various scientific journals. Their frequent publication venues include:

  • The Cambridge Structural Database (10 publications)
  • Inorganic Chemistry (4 publications)
  • Angewandte Chemie (4 publications)
  • Angewandte Chemie International Edition (3 publications)
  • Journal of the American Chemical Society (3 publications)

Among recent research contributions, several papers stand out:

  • Light-driven formation of manganese oxide by today's photosystem II supports evolutionarily ancient manganese-oxidizing photosynthesis, published in 2020 in Nature Communications
  • Stoichiometric Formation of an Oxoiron(IV) Complex by a Soluble Methane Monooxygenase Type Activation of O2 at an Iron(II)-Cyclam Center, published in 2020 in Journal of the American Chemical Society
  • Electrocatalytic Water Oxidation at Neutral pH-Deciphering the Rate Constraints for an Amorphous Cobalt-Phosphate Catalyst System, published in 2022 in Advanced Energy Materials
  • A Pseudotetrahedral Terminal Oxoiron(IV) Complex: Mechanistic Promiscuity in C−H Bond Oxidation Reactions, published in 2020 in Angewandte Chemie International Edition
  • Operando-informed precatalyst programming towards reliable high-current-density electrolysis, published in 2025 in Nature Materials

Collaboration has been a significant element of their research activity. Frequent co-authors include Holger Dau, Kallol Ray, Stefan Mebs, Peter Hildebrandt, and Dustin Kass, with collaborative counts ranging from 12 to 35 publications.

Best Publications

  • Photosynthetic O2 Formation Tracked by Time-Resolved X-ray Experiments

    M. Haumann;P. Liebisch;C. Müller;M. Barra

  • The manganese complex of photosystem II in its reaction cycle—Basic framework and possible realization at the atomic level

    Holger Dau;Michael Haumann

  • X-ray absorption spectroscopy to analyze nuclear geometry and electronic structure of biological metal centers—potential and questions examined with special focus on the tetra-nuclear manganese complex of oxygenic photosynthesis

    Holger Dau;Peter Liebisch;Michael Haumann

  • How oxygen attacks [FeFe] hydrogenases from photosynthetic organisms.

    Sven T. Stripp;Gabrielle Goldet;Caterina Brandmayr;Oliver Sanganas

  • Synthetic manganese–calcium oxides mimic the water-oxidizing complex of photosynthesis functionally and structurally

    Ivelina Zaharieva;M. Mahdi Najafpour;M. Mahdi Najafpour;Mathias Wiechen;Michael Haumann

  • Bacterial formate hydrogenlyase complex

    Jennifer S. McDowall;Bonnie J. Murphy;Michael Haumann;Tracy Palmer

  • Alternating electron and proton transfer steps in photosynthetic water oxidation

    André Klauss;Michael Haumann;Holger Dau

  • On the structure of the manganese complex of photosystem II: extended-range EXAFS data and specific atomic-resolution models for four S-states.

    Holger Dau;Alexander Grundmeier;Paola Loja;Michael Haumann

  • Eight steps preceding O-O bond formation in oxygenic photosynthesis--a basic reaction cycle of the Photosystem II manganese complex.

    Holger Dau;Michael Haumann

  • Function of Tyrosine Z in Water Oxidation by Photosystem II: Electrostatical Promotor Instead of Hydrogen Abstractor †

    Ralf Ahlbrink;Michael Haumann;Dmitry Cherepanov;Oliver Bögershausen

  • Recent developments in research on water oxidation by photosystem II.

    Holger Dau;Ivelina Zaharieva;Michael Haumann

  • Rapid Loss of Structural Motifs in the Manganese Complex of Oxygenic Photosynthesis by X-ray Irradiation at 10–300 K

    Markus Grabolle;Michael Haumann;Claudia Müller;Peter Liebisch

  • Extent and Rate of Proton Release by Photosynthetic Water Oxidation in Thylakoids: Electrostatic Relaxation Versus Chemical Production+

    Michael Haumann;Wolfgang Junge

  • Electrostatics and proton transfer in photosynthetic water oxidation.

    Wolfgang Junge;Michael Haumann;Ralf Ahlbrink;Armen Mulkidjanian

  • Photosynthetic oxygen evolution: H/D isotope effects and the coupling between electron and proton transfer during the redox reactions at the oxidizing side of Photosystem II

    Michael Haumann;Oliver Bögershausen;Dmitry Cherepanov;Ralf Ahlbrink

  • Introduction of methionines in the gas channel makes [NiFe] hydrogenase aero-tolerant.

    Sébastien Dementin;Fanny Leroux;Laurent Cournac;Antonio L. de Lacey

  • The structure of the manganese complex of Photosystem II in its dark-stable S1-state?EXAFS results in relation to recent crystallographic data

    Holger Dau;Peter Liebisch;Michael Haumann

  • Seven Steps of Alternating Electron and Proton Transfer in Photosystem II Water Oxidation Traced by Time-Resolved Photothermal Beam Deflection at Improved Sensitivity

    André Klauss;Michael Haumann;Holger Dau

  • O2 reactions at the six-iron active site (H-cluster) in [FeFe]-hydrogenase.

    Camilla Lambertz;Nils Leidel;Kajsa G.V. Havelius;Jens Noth

  • From an Fe2P3 complex to FeP nanoparticles as efficient electrocatalysts for water-splitting

    Shenglai Yao;Viktoria Forstner;Prashanth W Menezes;Chakadola Panda

  • Experimental and quantum chemical characterization of the water oxidation cycle catalysed by [RuII(damp)(bpy)(H2O)]2+

    Laura Vigara;Mehmed Z. Ertem;Nora Planas;Fernando Bozoglian

Frequent Co-Authors

Holger Dau
Holger Dau Freie Universität Berlin
Wolfgang Junge
Wolfgang Junge Osnabrück University
Thomas Happe
Thomas Happe Ruhr University Bochum
Ivelina Zaharieva
Ivelina Zaharieva Freie Universität Berlin
Silke Leimkühler
Silke Leimkühler University of Potsdam
Oliver Lenz
Oliver Lenz Johnson & Johnson
Bärbel Friedrich
Bärbel Friedrich Humboldt-Universität zu Berlin
Antoni Llobet
Antoni Llobet Autonomous University of Barcelona
Peter Hildebrandt
Peter Hildebrandt Technical University of Berlin
Wolfram Meyer-Klaucke
Wolfram Meyer-Klaucke University of Paderborn

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