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Bjørk Hammer

Bjørk Hammer

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Chemistry
Denmark
2025

D-Index & Metrics

Chemistry

D-Index
93
Citations
64450
World Ranking
1745
National Ranking
13

Bjørk Hammer 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 Bjørk Hammer sits on this spectrum.

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 publications 1,295+

This scientist: 255 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Bjørk Hammer 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 Bjørk Hammer sits on this spectrum.

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 D-Index 159+

This scientist: 93 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Chemistry in Denmark Leader Award
  • 2023 - Research.com Chemistry in Denmark Leader Award
  • 2022 - Research.com Chemistry in Denmark Leader Award

Overview

Bjørk Hammer is affiliated with Aarhus University in Denmark and focuses their research primarily in the field of Materials Science. Their work extensively covers the subfields of Materials Chemistry, Computational Theory and Mathematics, Atomic and Molecular Physics, and Optics. Additional research interests include Biomedical Engineering and Renewable Energy, Sustainability and the Environment.

The scientist's research topics reflect a strong emphasis on the intersection of computation and materials science, including:

  • Machine Learning in Materials Science
  • Computational Drug Discovery Methods
  • Advanced Chemical Physics Studies
  • X-ray Diffraction in Crystallography
  • Graphene research and applications
  • Catalytic Processes in Materials Science
  • Surface Chemistry and Catalysis

Bjørk Hammer has published numerous papers, with some of the recent notable works including:

  • Efficient Global Structure Optimization with a Machine-Learned Surrogate Model, 2020, Physical Review Letters
  • The mechanism of Mg2+conduction in ammine magnesium borohydride promoted by a neutral molecule, 2020, Physical Chemistry Chemical Physics
  • Global optimization of atomic structure enhanced by machine learning, 2022, Physical review. B./Physical review. B
  • Atomistic structure learning algorithm with surrogate energy model relaxation, 2020, Physical review. B./Physical review. B
  • Atomistic Global Optimization X: A Python package for optimization of atomistic structures, 2022, arXiv (Cornell University)

They frequently collaborate with several coauthors, with the most frequent being:

  • Mads-Peter Verner Christiansen
  • Malthe Kjær Bisbo
  • Nikolaj Rønne
  • Zeyuan Tang
  • Wilke Dononelli

Their work has been published notably in venues such as:

  • arXiv (Cornell University)
  • The Journal of Chemical Physics
  • Physical Chemistry Chemical Physics
  • Physical review. B./Physical review. B
  • The Journal of Physical Chemistry C

Best Publications

  • Improved adsorption energetics within density-functional theory using revised Perdew-Burke-Ernzerhof functionals

    Bjørk Hammer;Lars Bruno Hansen;Jens Kehlet Nørskov

  • Theoretical surface science and catalysis—calculations and concepts

    Bjørk Hammer;Jens Kehlet Nørskov

  • The Atomic Simulation Environment - A Python library for working with atoms

    Ask Hjorth Larsen;Ask Hjorth Larsen;Jens Jørgen Mortensen;Jakob Blomqvist;Ivano E. Castelli

  • Why gold is the noblest of all the metals

    B. Hammer;J. K. Norskov

  • Electronic factors determining the reactivity of metal surfaces

    B. Hammer;J.K. Nørskov

  • Effect of Strain on the Reactivity of Metal Surfaces

    Manos Mavrikakis;Bjørk Hammer;Jens Kehlet Nørskov

  • Electronic structure calculations with GPAW: a real-space implementation of the projector augmented-wave method

    J. Enkovaara;Carsten Rostgaard;Jens Jørgen Mortensen;Jingzhe Chen

  • Bandgap opening in graphene induced by patterned hydrogen adsorption

    Richard Balog;Bjarke Jørgensen;Louis Nilsson;Mie Andersen

  • CO Chemisorption at Metal Surfaces and Overlayers

    B. Hammer;Y. Morikawa;J. K. Nørskov

  • Universality in Heterogeneous Catalysis

    J.K. Nørskov;T. Bligaard;A. Logadottir;S. Bahn

  • Surface electronic structure and reactivity of transition and noble metals

    Andrei Ruban;Bjørk Hammer;Per Stoltze;Hans Lomholt Skriver

  • Design of a Surface Alloy Catalyst for Steam Reforming

    F. Besenbacher;I. Chorkendorff;B. S. Clausen;B. Hammer

  • The Role of Interstitial Sites in the Ti3d Defect State in the Band Gap of Titania

    Stefan Wendt;Stefan Wendt;Phillip T. Sprunger;Phillip T. Sprunger;Estephania Lira;Estephania Lira;Georg K. H. Madsen;Georg K. H. Madsen

  • The CO/Pt(111) puzzle

    Peter J. Feibelman;B. Hammer;J. K. Norskov;F. Wagner

  • The Brønsted-Evans-Polanyi relation and the volcano plot for ammonia synthesis over transition metal catalysts

    Ashildur Logadottir;Thomas Holm Rod;Jens Kehlet Nørskov;Bjørk Hammer

  • Oxygen vacancies on TiO2(110) and their interaction with H2O and O2: A combined high-resolution STM and DFT study

    Stefan Wendt;Renald Schaub;Jesper Matthiesen;Ebbe K Vestergaard

  • Chiral recognition in dimerization of adsorbed cysteine observed by scanning tunnelling microscopy.

    Angelika Kühnle;Trolle R. Linderoth;Bjoerk Hammer;Flemming Besenbacher

  • Active role of oxide support during CO oxidation at Au/MgO.

    L. M. Molina;B. Hammer

  • Structure sensitivity in adsorption: CO interaction with stepped and reconstructed Pt surfaces

    Bjørk Hammer;Ole Holm Nielsen;Jens Kehlet Nørskov

  • Enhanced bonding of gold nanoparticles on oxidized TiO2(110).

    D. Matthey;J. G. Wang;S. Wendt;J. Matthiesen

Frequent Co-Authors

Flemming Besenbacher
Flemming Besenbacher Aarhus University
Jens K. Nørskov
Jens K. Nørskov Technical University of Denmark
Erik Lægsgaard
Erik Lægsgaard Aarhus University
Ivan Stensgaard
Ivan Stensgaard Aarhus University
Jeppe V. Lauritsen
Jeppe V. Lauritsen Aarhus University
Karsten Wedel Jacobsen
Karsten Wedel Jacobsen Technical University of Denmark
Kurt V. Gothelf
Kurt V. Gothelf Aarhus University
Wei-Xue Li
Wei-Xue Li University of Science and Technology of China
Peter Kratzer
Peter Kratzer University of Duisburg-Essen
Edvin Lundgren
Edvin Lundgren Lund University

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