Ragnar Björnsson

2.8k total citations · 1 hit paper
74 papers, 2.2k citations indexed

About

Ragnar Björnsson is a scholar working on Renewable Energy, Sustainability and the Environment, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, Ragnar Björnsson has authored 74 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Renewable Energy, Sustainability and the Environment, 23 papers in Atomic and Molecular Physics, and Optics and 21 papers in Materials Chemistry. Recurrent topics in Ragnar Björnsson's work include Metalloenzymes and iron-sulfur proteins (26 papers), Electrocatalysts for Energy Conversion (20 papers) and Advanced Chemical Physics Studies (20 papers). Ragnar Björnsson is often cited by papers focused on Metalloenzymes and iron-sulfur proteins (26 papers), Electrocatalysts for Energy Conversion (20 papers) and Advanced Chemical Physics Studies (20 papers). Ragnar Björnsson collaborates with scholars based in Iceland, Germany and United Kingdom. Ragnar Björnsson's co-authors include Serena DeBeer, Frank Neese, Ingvar Árnason, Oliver Einsle, Michæl Bühl, Frederico A. Lima, Thomas Weyhermüller, Hannes Jónsson, Vilhjálmur Ásgeirsson and Ute Becker and has published in prestigious journals such as Chemical Reviews, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

Ragnar Björnsson

70 papers receiving 2.2k citations

Hit Papers

Nudged Elastic Band Metho... 2021 2026 2022 2024 2021 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Nudged Elastic Band Method for Molecular Reactions Using Energy-Weighted Springs Combined with Eigenvector Following
    2021 255 citations Ragnar Björnsson, Frank Neese et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ragnar Björnsson Iceland 25 968 621 574 562 476 74 2.2k
Michael Roemelt Germany 22 1.6k 1.6× 968 1.6× 746 1.3× 812 1.4× 452 0.9× 46 3.1k
Yury Minenkov Russia 25 850 0.9× 968 1.6× 664 1.2× 593 1.1× 1.4k 2.8× 68 3.2k
Г. П. Петрова Russia 15 481 0.5× 1.2k 1.9× 272 0.5× 459 0.8× 416 0.9× 55 2.2k
Miho Hatanaka Japan 23 240 0.2× 1.1k 1.7× 394 0.7× 344 0.6× 763 1.6× 77 2.4k
Nathan J. DeYonker United States 27 517 0.5× 948 1.5× 652 1.1× 232 0.4× 1.1k 2.3× 95 2.9k
Anan Wu China 29 210 0.2× 889 1.4× 311 0.5× 455 0.8× 661 1.4× 78 2.1k
Travis V. Harris United States 9 424 0.4× 461 0.7× 271 0.5× 122 0.2× 225 0.5× 11 1.5k
Neil Qiang Su China 22 600 0.6× 1.1k 1.7× 188 0.3× 329 0.6× 335 0.7× 68 2.2k
Edward N. Brothers Qatar 27 288 0.3× 921 1.5× 639 1.1× 133 0.2× 501 1.1× 98 2.2k
Takashi Ohhara Japan 20 408 0.4× 748 1.2× 496 0.9× 84 0.1× 399 0.8× 93 1.9k

Countries citing papers authored by Ragnar Björnsson

Since Specialization
Citations

This map shows the geographic impact of Ragnar Björnsson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ragnar Björnsson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ragnar Björnsson more than expected).

Fields of papers citing papers by Ragnar Björnsson

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ragnar Björnsson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ragnar Björnsson. The network helps show where Ragnar Björnsson may publish in the future.

Co-authorship network of co-authors of Ragnar Björnsson

This figure shows the co-authorship network connecting the top 25 collaborators of Ragnar Björnsson. A scholar is included among the top collaborators of Ragnar Björnsson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ragnar Björnsson. Ragnar Björnsson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sengupta, Kushal, et al.. (2025). Investigating the Molybdenum Nitrogenase Mechanistic Cycle Using Spectroelectrochemistry. Journal of the American Chemical Society. 147(2). 2099–2114. 6 indexed citations
2.
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Lorent, Christian, Ingo Zebger, Serena DeBeer, et al.. (2023). Binding of exogenous cyanide reveals new active-site states in [FeFe] hydrogenases. Chemical Science. 14(11). 2826–2838. 14 indexed citations
4.
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Björnsson, Ragnar, et al.. (2023). Ionization energies of metallocenes: a coupled cluster study of cobaltocene. Physical Chemistry Chemical Physics. 25(6). 4570–4587. 7 indexed citations
6.
Björnsson, Ragnar, et al.. (2021). Synthesis, Characterization, and Reaction Studies of Pd(II) Tripeptide Complexes. Molecules. 26(17). 5169–5169. 2 indexed citations
7.
Robson, Ryan N., Frederick M. Pfeffer, Ragnar Björnsson, et al.. (2020). Scaffold diversity for enhanced activity of glycosylated inhibitors of fungal adhesion. RSC Medicinal Chemistry. 11(12). 1386–1401. 3 indexed citations
8.
Rodríguez‐Maciá, Patricia, Ragnar Björnsson, Christian Lorent, et al.. (2020). Caught in the Hinact: Crystal Structure and Spectroscopy Reveal a Sulfur Bound to the Active Site of an O2‐stable State of [FeFe] Hydrogenase. Angewandte Chemie International Edition. 59(38). 16786–16794. 46 indexed citations
9.
Rodríguez‐Maciá, Patricia, Ragnar Björnsson, Christian Lorent, et al.. (2020). Kristallstruktur und Spektroskopie offenbaren einen Schwefel‐Liganden am aktiven Zentrum einer O2‐stabilen [FeFe]‐Hydrogenase. Angewandte Chemie. 132(38). 16930–16939. 5 indexed citations
10.
Thorarinsdottir, Agnes E., Ragnar Björnsson, & T. David Harris. (2020). Insensitivity of Magnetic Coupling to Ligand Substitution in a Series of Tetraoxolene Radical-Bridged Fe 2 Complexes. Inorganic Chemistry. 59(7). 4634–4649. 17 indexed citations
11.
Björnsson, Ragnar, et al.. (2020). Relative cross sections and appearance energies in electron impact ionization and dissociation of mono-halogenated biphenyls. International Journal of Mass Spectrometry. 459. 116452–116452. 4 indexed citations
12.
Björnsson, Ragnar, et al.. (2019). A model for dinitrogen binding in the E4state of nitrogenase. Chemical Science. 10(48). 11110–11124. 55 indexed citations
13.
P., Ragesh Kumar T., Ragnar Björnsson, Helgi Rafn Hróðmarsson, et al.. (2018). Electron interactions with the heteronuclear carbonyl precursor H2FeRu3(CO)13 and comparison with HFeCo3(CO)12: from fundamental gas phase and surface science studies to focused electron beam induced deposition. Beilstein Journal of Nanotechnology. 9. 555–579. 18 indexed citations
14.
Björnsson, Ragnar, et al.. (2016). Coordination geometry determination of stannane compounds with phosphinoyldithioformate ligands using multinuclear NMR, Sn Mössbauer and DFT methods. Journal of Organometallic Chemistry. 825-826. 125–138. 8 indexed citations
15.
Rees, Julian A., Ragnar Björnsson, Julia Schlesier, et al.. (2015). The Fe–V Cofactor of Vanadium Nitrogenase Contains an Interstitial Carbon Atom. Angewandte Chemie International Edition. 54(45). 13249–13252. 66 indexed citations
16.
Rees, Julian A., Ragnar Björnsson, Julia Schlesier, et al.. (2015). The Fe–V Cofactor of Vanadium Nitrogenase Contains an Interstitial Carbon Atom. Angewandte Chemie. 127(45). 13447–13450. 9 indexed citations
17.
Björnsson, Ragnar, Frank Neese, Richard R. Schrock, Oliver Einsle, & Serena DeBeer. (2014). The discovery of Mo(III) in FeMoco: reuniting enzyme and model chemistry. JBIC Journal of Biological Inorganic Chemistry. 20(2). 447–460. 69 indexed citations
18.
Björnsson, Ragnar, Mario Ulises Delgado‐Jaime, Frederico A. Lima, et al.. (2014). Molybdenum L‐Edge XAS Spectra of MoFe Nitrogenase. Zeitschrift für anorganische und allgemeine Chemie. 641(1). 65–71. 40 indexed citations
19.
Kern, Thomas, et al.. (2012). Conformational energies of silacyclohexanes C5H10SiHMe, C5H10SiH(CF3) and C5H10SiCl(SiCl3) from variable temperature Raman spectra. Journal of Raman Spectroscopy. 43(9). 1337–1342. 18 indexed citations
20.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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