Bjørk Hammer

56.7k total citations · 13 hit papers
242 papers, 38.5k citations indexed

About

Bjørk Hammer is a scholar working on Materials Chemistry, Atomic and Molecular Physics, and Optics and Electrical and Electronic Engineering. According to data from OpenAlex, Bjørk Hammer has authored 242 papers receiving a total of 38.5k indexed citations (citations by other indexed papers that have themselves been cited), including 168 papers in Materials Chemistry, 132 papers in Atomic and Molecular Physics, and Optics and 52 papers in Electrical and Electronic Engineering. Recurrent topics in Bjørk Hammer's work include Advanced Chemical Physics Studies (110 papers), Catalytic Processes in Materials Science (84 papers) and Surface Chemistry and Catalysis (44 papers). Bjørk Hammer is often cited by papers focused on Advanced Chemical Physics Studies (110 papers), Catalytic Processes in Materials Science (84 papers) and Surface Chemistry and Catalysis (44 papers). Bjørk Hammer collaborates with scholars based in Denmark, Germany and United States. Bjørk Hammer's co-authors include Jens K. Nørskov, L. B. Hansen, L. M. Molina, Flemming Besenbacher, Manos Mavrikakis, Yoshitada Morikawa, Erik Lægsgaard, Željko Šljivančanin, Stefan Wendt and I. Stensgaard and has published in prestigious journals such as Nature, Science and Journal of the American Chemical Society.

In The Last Decade

Bjørk Hammer

240 papers receiving 38.0k citations

Hit Papers

5 papers align trajectories

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.

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

1999 6.9k citations Bjørk Hammer et al. profile →
Why gold is the noblest of all the metals

1995 3.2k citations Bjørk Hammer et al. profile →
Electronic factors determining the reactivity of metal surfaces

1995 2.3k citations Bjørk Hammer et al. Surface Science profile →
Effect of Strain on the Reactivity of Metal Surfaces

1998 2.1k citations Bjørk Hammer et al. Physical Review Letters profile →
CO Chemisorption at Metal Surfaces and Overlayers

1996 1.3k citations Bjørk Hammer, Yoshitada Morikawa et al. Physical Review Letters profile →
Surface electronic structure and reactivity of transition and noble metals1Communication presented at the First Francqui Colloquium, Brussels, 19–20 February 1996.1

1997 1.2k citations Bjørk Hammer et al. profile →
Universality in Heterogeneous Catalysis

2002 1.1k citations Bjørk Hammer et al. Journal of Catalysis profile →
Design of a Surface Alloy Catalyst for Steam Reforming

1998 866 citations Flemming Besenbacher, Bjørk Hammer et al. profile →
The Role of Interstitial Sites in the Ti 3d Defect State in the Band Gap of Titania

2008 799 citations Stefan Wendt, Estephanía Lira et al. profile →
The CO/Pt(111) Puzzle

2000 620 citations Bjørk Hammer et al. profile →
The Brønsted–Evans–Polanyi Relation and the Volcano Plot for Ammonia Synthesis over Transition Metal Catalysts

2001 596 citations Bjørk Hammer et al. Journal of Catalysis profile →
Chiral recognition in dimerization of adsorbed cysteine observed by scanning tunnelling microscopy

2002 526 citations Angelika Kühnle, Trolle R. Linderoth et al. profile →
Oxygen vacancies on TiO2(110) and their interaction with H2O and O2: A combined high-resolution STM and DFT study

2005 524 citations Stefan Wendt, Renald Schaub et al. Surface Science profile →

Peers

Countries citing papers authored by Bjørk Hammer

Since Specialization

Citations

This map shows the geographic impact of Bjørk Hammer'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 Bjørk Hammer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Bjørk Hammer more than expected).

Fields of papers citing papers by Bjørk Hammer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Bjørk Hammer. 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 Bjørk Hammer. The network helps show where Bjørk Hammer may publish in the future.

Co-authorship network of co-authors of Bjørk Hammer

This figure shows the co-authorship network connecting the top 25 collaborators of Bjørk Hammer. A scholar is included among the top collaborators of Bjørk Hammer 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 Bjørk Hammer. Bjørk Hammer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Origin of hydroxyl pair formation on reduced anatase TiO₂(101) 2023 ·Physical Chemistry Chemical Physics ·(unknown), Nikolay G. Petrik, Wilke Dononelli, Greg A. Kimmel, Tao Xu, Zheshen Li, L. Lammich, Bjørk Hammer, Jeppe V. Lauritsen, Stefan Wendt	3
2	A Machine‐Learning‐Based Approach for Solving Atomic Structures of Nanomaterials Combining Pair Distribution Functions with Density Functional Theory 2023 ·Advanced Materials ·(unknown), (unknown), Bo B. Iversen, Bjørk Hammer, Wilke Dononelli	18
3	A machine learning potential for simulating infrared spectra of nanosilicate clusters 2023 ·The Journal of Chemical Physics ·Zeyuan Tang, Stefan T. Bromley, Bjørk Hammer	12
4	Structure of an Ultrathin Oxide on Pt₃Sn(111) Solved by Machine Learning Enhanced Global Optimization** 2022 ·Angewandte Chemie ·Lindsay R. Merte, (unknown), Igor Sokolović, Martin Setvín, Benjamin Hagman, Mikhail Shipilin, Michael Schmid, Ulrike Diebold, Edvin Lundgren, Bjørk Hammer	5
5	Structure of an Ultrathin Oxide on Pt ₃ Sn(111) Solved by Machine Learning Enhanced Global Optimization** 2022 ·Angewandte Chemie International Edition ·Lindsay R. Merte, (unknown), Igor Sokolović, Martin Setvín, Benjamin Hagman, Mikhail Shipilin, Michael Schmid, Ulrike Diebold, Edvin Lundgren, Bjørk Hammer	29
6	Atomistic Global Optimization X: A Python package for optimization of atomistic structures 2022 ·arXiv (Cornell University) ·(unknown), (unknown), Bjørk Hammer	26
7	Size-dependent phase stability in transition metal dichalcogenide nanoparticles controlled by metal substrates 2021 ·Nanoscale ·Albert Bruix, Jeppe V. Lauritsen, Bjørk Hammer	6
8	The mechanism of Mg²⁺conduction in ammine magnesium borohydride promoted by a neutral molecule 2020 ·Physical Chemistry Chemical Physics ·Yigang Yan, Wilke Dononelli, (unknown), Jakob B. Grinderslev, Young‐Su Lee, Young Whan Cho, Radovan Černý, Bjørk Hammer, Torben R. Jensen	92
9	NH3 on anatase TiO2(101): Diffusion mechanisms and the effect of intermolecular repulsion 2020 ·Physical Review Materials ·(unknown), Esben L. Kolsbjerg, (unknown), L. Lammich, Bjørk Hammer, Stefan Wendt, Jeppe V. Lauritsen	7
10	NH3 adsorption on anatase-TiO2(101) 2018 ·The Journal of Chemical Physics ·(unknown), (unknown), Esben L. Kolsbjerg, Zheshen Li, Bjørk Hammer, Stefan Wendt, Jeppe V. Lauritsen	15
11	Visualizing hydrogen-induced reshaping and edge activation in MoS2 and Co-promoted MoS2 catalyst clusters 2018 ·Nature Communications ·Signe S. Grønborg, Norberto Salazar, Albert Bruix, Jonathan Rodríguez‐Fernández, (unknown), Bjørk Hammer, Jeppe V. Lauritsen	88
12	Structure of the SnO2(110)-(4 x 1) Surface 2017 ·UCL Discovery (University College London) ·(unknown), (unknown), K. Pussi, Johan Gustafson, Mikhail Shipilin, Andreas Schaefer, (unknown), Jonathan Rawle, Chris Nicklin, G. Thornton, (unknown), Bjørk Hammer, Edvin Lundgren	1
13	Monitoring interconversion between stereochemical states in single chirality-transfer complexes on a platinum surface 2017 ·Nature Chemistry ·Guillaume Goubert, Yi Dong, Michael N. Groves, (unknown), Bjørk Hammer, Peter H. McBreen	25
14	Direct Evidence for Ethanol Dissociation on RutileTiO2(110) 2011 ·Physical Review Letters ·Jonas Ø. Hansen, Peipei Huo, Umberto Martinez, Estephanía Lira, Yinying Wei, R. Streber, Erik Lægsgaard, Bjørk Hammer, Stefan Wendt, Flemming Besenbacher	58
15	Dissociative and molecular oxygen chemisorption channels on reduced rutile TiO2(110): An STM and TPD study 2010 ·Surface Science ·Estephanía Lira, Jonas Ø. Hansen, Peipei Huo, Ralf Bechstein, Patrick Galliker, Erik Lægsgaard, Bjørk Hammer, Stefan Wendt, Flemming Besenbacher	134
16	Selective Propene Epoxidation on Immobilized Au_6–10 Clusters: The Effect of Hydrogen and Water on Activity and Selectivity 2009 ·Angewandte Chemie International Edition ·Sungsik Lee, L. M. Molina, M. J. López, J. A. Alonso, Bjørk Hammer, Byeongdu Lee, Sönke Seifert, Randall E. Winans, Jeffrey W. Elam, Michael J. Pellin, Štefan Vajda	231
17	Formation and Diffusion of Water Dimers on RutileTiO2(110) 2009 ·Physical Review Letters ·J. Matthiesen, Jonas Ø. Hansen, Stefan Wendt, Estephanía Lira, Renald Schaub, Erik Lægsgaard, Flemming Besenbacher, Bjørk Hammer	91
18	Chiral switching by spontaneous conformational change in adsorbed organic molecules 2006 ·Nature Materials ·Sigrid Weigelt, Carsten Busse, L. Petersen, E. Rauls, Bjørk Hammer, Kurt V. Gothelf, Flemming Besenbacher, Trolle R. Linderoth	199
19	Growth of Unidirectional Molecular Rows of Cysteine onAu(110)−(1×2)Driven by Adsorbate-Induced Surface Rearrangements 2004 ·Physical Review Letters ·Angelika Kühnle, L. M. Molina, Trolle R. Linderoth, Bjørk Hammer, Flemming Besenbacher	95
20	Density-Functional Calculations of N-2 Adsorption and Dissociation on a Ru(0001) Surface (Vol 169, Pg 85, 1997) 1997 ·Journal of Catalysis ·(unknown), Yoshitada Morikawa, Bjørk Hammer, (unknown)	1

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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