Kim Lefmann

6.3k total citations · 1 hit paper
180 papers, 4.8k citations indexed

About

Kim Lefmann is a scholar working on Condensed Matter Physics, Radiation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Kim Lefmann has authored 180 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Condensed Matter Physics, 66 papers in Radiation and 56 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Kim Lefmann's work include Nuclear Physics and Applications (62 papers), Advanced Condensed Matter Physics (51 papers) and Physics of Superconductivity and Magnetism (45 papers). Kim Lefmann is often cited by papers focused on Nuclear Physics and Applications (62 papers), Advanced Condensed Matter Physics (51 papers) and Physics of Superconductivity and Magnetism (45 papers). Kim Lefmann collaborates with scholars based in Denmark, Switzerland and Germany. Kim Lefmann's co-authors include Peter Kjær Willendrup, N. B. Christensen, Kristian Nielsen, Steen Mørup, F. Bødker, Mikkel Fougt Hansen, G. Aeppli, C.R.H. Bahl, D. F. McMorrow and H. M. Rønnow and has published in prestigious journals such as Nature, Science and Physical Review Letters.

In The Last Decade

Kim Lefmann

173 papers receiving 4.8k citations

Hit 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.

Avoided crossing of rattler modes in thermoelectric materials

2008 585 citations N. B. Christensen, Fanni Jurànyi et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kim Lefmann Denmark	32	1.9k	1.7k	1.5k	1.4k	1.2k	180	4.8k
Thomas Brückel Germany	28	1.5k 0.8×	1.0k 0.6×	1.6k 1.0×	915 0.7×	489 0.4×	255	3.3k
T. Matsushita Japan	36	2.6k 1.4×	2.2k 1.3×	1.3k 0.9×	1.4k 1.0×	1.3k 1.1×	367	5.8k
D. L. Abernathy United States	50	2.6k 1.4×	3.8k 2.3×	2.5k 1.6×	1.5k 1.1×	938 0.8×	251	7.9k
Thorsten Schmitt Switzerland	46	4.1k 2.1×	2.9k 1.8×	3.3k 2.1×	1.9k 1.3×	1.2k 1.0×	245	7.9k
Kenji Tamasaku Japan	48	3.1k 1.6×	2.1k 1.2×	2.1k 1.3×	1.5k 1.1×	3.0k 2.6×	290	8.1k
F. Jollet France	28	1.2k 0.6×	3.8k 2.3×	1.3k 0.8×	1.5k 1.0×	269 0.2×	50	5.7k
J. Goulon France	31	873 0.5×	1.1k 0.6×	874 0.6×	1.3k 0.9×	709 0.6×	161	3.1k
А. И. Колесников United States	42	1.7k 0.9×	4.7k 2.8×	1.7k 1.1×	1.9k 1.4×	345 0.3×	345	7.9k
Tetsuya Nakamura Japan	38	1.5k 0.8×	2.0k 1.2×	2.6k 1.7×	2.0k 1.5×	276 0.2×	268	4.9k
Mark Sutton Canada	41	1.0k 0.5×	2.6k 1.6×	709 0.5×	1.2k 0.9×	952 0.8×	155	5.0k

Countries citing papers authored by Kim Lefmann

Since Specialization

Citations

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

Fields of papers citing papers by Kim Lefmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kim Lefmann

This figure shows the co-authorship network connecting the top 25 collaborators of Kim Lefmann. A scholar is included among the top collaborators of Kim Lefmann 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 Kim Lefmann. Kim Lefmann 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

Ivashko, Oleh, N. B. Christensen, Jaewon Choi, et al.. (2025). Dynamic competition between Cooper pair and spin density wave condensation. Physical Review Research. 7(2). 1 indexed citations

Holm, S. L., H. Jacobsen, Astrid T. Rømer, et al.. (2024). Field-induced electronic phase separation in the high-temperature superconductor La1.94Sr0.06CuO4+y. Physical review. B.. 109(17). 1 indexed citations

Kamminga, Machteld E., Astrid T. Rømer, P. P. Deen, et al.. (2023). Evolution of magnetic stripes under uniaxial stress in La1.885Ba0.115CuO4 studied by neutron scattering. Physical review. B.. 107(14). 2 indexed citations

Guthrie, M., A. T. Holmes, Lucile Mangin-Thro, et al.. (2023). Design, calibration, and performance of a uniaxial pressure cell for neutron scattering studies of quantum magnetism. Review of Scientific Instruments. 94(10).

Pedersen, Kasper S., Denis Sheptyakov, Jan Peter Embs, et al.. (2023). The magnetic properties of MAl₄(OH)₁₂SO₄·3H₂O with M = Co²⁺, Ni²⁺, and Cu²⁺determined by a combined experimental and computational approach. Physical Chemistry Chemical Physics. 25(4). 3309–3322. 3 indexed citations

Medarde, M., Jike Lyu, Y. Maximilian Klein, et al.. (2023). Multiple unconventional charge density wave transitions in LaPt2Si2 superconductor clarified with high-energy X-ray diffraction. Communications Materials. 4(1). 4 indexed citations

Kamminga, Machteld E., H. Jacobsen, Jacob Baas, et al.. (2023). Gradual emergence of superconductivity in underdoped La2−xSrxCuO4. Physical review. B.. 107(17). 1 indexed citations

Hansen, Ursula, Olav F. Syljuåsen, J. Jensen, et al.. (2022). Magnetic Bloch oscillations and domain wall dynamics in a near-Ising ferromagnetic chain. Nature Communications. 13(1). 2547–2547. 9 indexed citations

Holst, Bodil, Gil Alexandrowicz, G. Benedek, et al.. (2021). Material properties particularly suited to be measured with helium scattering: selected examples from 2D materials, van der Waals heterostructures, glassy materials, catalytic substrates, topological insulators and superconducting radio frequency materials. Physical Chemistry Chemical Physics. 23(13). 7653–7672. 33 indexed citations

10.

Jacobsen, H., S. L. Holm, J.‐C. Grivel, et al.. (2021). Nature of the magnetic stripes in fully oxygenated La2CuO4+y. Physical review. B.. 103(4). 4 indexed citations

11.

Lass, Jakob, Ch. Niedermayer, U. Stuhr, et al.. (2021). Classical Spin Liquid or Extended Critical Range in h-YMnO3?. Physical Review Letters. 126(10). 7 indexed citations

12.

Juelsholt, Mikkel, Martin Boehm, Kasper S. Pedersen, et al.. (2020). Structural characterization and magnetic properties of chromium jarosite KCr₃(OD)₆(SO₄)₂. Physical Chemistry Chemical Physics. 22(43). 25001–25010. 2 indexed citations

13.

Bakke, Ingrid, Hayato Kondo, M. Guthrie, et al.. (2020). Effects of uniaxial pressure on the spin ice Ho2Ti2O7. Physical review. B.. 102(18). 7 indexed citations

14.

Holm, S. L., et al.. (2019). Optimization of Performance, Price, and Background of Long Neutron Guides for European Spallation Source. Quantum Beam Science. 3(3). 16–16. 3 indexed citations

15.

Markó, Márton, Jonas Okkels Birk, P. G. Freeman, et al.. (2018). Prototype of the novel CAMEA concept—A backend for neutron spectrometers. Review of Scientific Instruments. 89(1). 15105–15105. 5 indexed citations

16.

Fedrigo, Anna, Francesco Grazzi, Alan Williams, et al.. (2017). Extraction of archaeological information from metallic artefacts—A neutron diffraction study on Viking swords. Journal of Archaeological Science Reports. 12. 425–436. 8 indexed citations

17.

Fedrigo, Anna, D. Colognesi, Mads Bertelsen, et al.. (2016). VESPA: The vibrational spectrometer for the European Spallation Source. Review of Scientific Instruments. 87(6). 65101–65101. 10 indexed citations

18.

Arleth, Lise, Mads Bertelsen, Jonas Okkels Birk, et al.. (2013). "European Spallation Source - Technical Design Report". Research at the University of Copenhagen (University of Copenhagen). 2 indexed citations

19.

Frandsen, Cathrine, Kim Lefmann, B. Lebech, et al.. (2011). Spin reorientation inα-Fe2O3nanoparticles induced by interparticle exchange interactions inα-Fe2O3/NiO nanocomposites. Physical Review B. 84(21). 12 indexed citations

20.

Mortensen, Kell, Søren Kynde, Erik Knudsen, et al.. (2009). McXtrace - An X-ray Monte Carlo Ray-tracing software package. Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU). 2 indexed citations

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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