Kim Lefmann

6.3k citations

180 papers · 4.8k indexed · 1 hit paper · h-index 32

Condensed Matter Physics top 0.5%
Materials Chemistry top 2%
Electronic, Optical and Magnetic Materials top 1%
Atomic and Molecular Physics, and Optics top 2%
Radiation top 0.5%

Co-authors: Peter Kjær Willendrup N. B. Christensen Kristian Nielsen Steen Mørup F. Bødker Mikkel Fougt Hansen G. Aeppli C.R.H. Bahl
Topics: Nuclear Physics and Applications (62 papers)Advanced Condensed Matter Physics (51 papers)Physics of Superconductivity and Magnetism (45 papers)
Cited by: Condensed Matter Physics Radiation Electronic, Optical and Magnetic Materials
Journals: Nature Science Physical Review Letters
Partner nations: Denmark Switzerland Germany

In The Last Decade

Kim Lefmann

173 papers receiving 4.8k citations

Hit Papers

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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

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

#	Work	Indexed citations
1	Dynamic competition between Cooper pair and spin density wave condensation 2025 ·Physical Review Research ·(unknown),(unknown),Oleh Ivashko,N. B. Christensen,Jaewon Choi,Linda Udby,Ch. Niedermayer,Kim Lefmann,H. M. Rønnow,J. Mesot,Jacques Ollivier,T. Kurosawa,N. Momono,M. Oda,J. Chang,D. G. Mazzone	1
2	Field-induced electronic phase separation in the high-temperature superconductor La1.94Sr0.06CuO4+y 2024 ·Physical review. B. ·S. L. Holm,(unknown),H. Jacobsen,Astrid T. Rømer,(unknown),(unknown),J.‐C. Grivel,R. Scheuermann,M. v. Zimmermann,Martin Boehm,P. Steffens,Ch. Niedermayer,Kasper S. Pedersen,N. B. Christensen,B. O. Wells,Kim Lefmann,Linda Udby	1
3	Evolution of magnetic stripes under uniaxial stress in La1.885Ba0.115CuO4 studied by neutron scattering 2023 ·Physical review. B. ·Machteld E. Kamminga,(unknown),Astrid T. Rømer,(unknown),P. P. Deen,Martin Boehm,Genda Gu,J. M. Tranquada,Kim Lefmann	2
4	Design, calibration, and performance of a uniaxial pressure cell for neutron scattering studies of quantum magnetism 2023 ·Review of Scientific Instruments ·(unknown),(unknown),(unknown),(unknown),(unknown),M. Guthrie,A. T. Holmes,Lucile Mangin-Thro,Andrew Wildes,P. Henelius,Kim Lefmann,P. P. Deen	0
5	The magnetic properties of MAl₄(OH)₁₂SO₄·3H₂O with M = Co²⁺, Ni²⁺, and Cu²⁺determined by a combined experimental and computational approach 2023 ·Physical Chemistry Chemical Physics ·(unknown),(unknown),(unknown),(unknown),Kasper S. Pedersen,Denis Sheptyakov,Jan Peter Embs,H. Jacobsen,Edgar Dachs,Juha Vaara,Kim Lefmann,Ulla Gro Nielsen	3
6	Multiple unconventional charge density wave transitions in LaPt2Si2 superconductor clarified with high-energy X-ray diffraction 2023 ·Communications Materials ·(unknown),(unknown),(unknown),M. Medarde,Jike Lyu,Y. Maximilian Klein,(unknown),Z. Hossain,A. Thamizhavel,Kim Lefmann,Oleh Ivashko,M. v. Zimmermann,Yasmine Sassa,Martin Må̊nsson	4
7	Gradual emergence of superconductivity in underdoped La2−xSrxCuO4 2023 ·Physical review. B. ·(unknown),Machteld E. Kamminga,(unknown),H. Jacobsen,(unknown),(unknown),Jacob Baas,(unknown),J.‐C. Grivel,Yasmine Sassa,N. B. Christensen,P. Steffens,Martin Boehm,Andrea Piovano,Kim Lefmann,Astrid T. Rømer	1
8	Magnetic Bloch oscillations and domain wall dynamics in a near-Ising ferromagnetic chain 2022 ·Nature Communications ·Ursula Hansen,Olav F. Syljuåsen,J. Jensen,(unknown),(unknown),Martin Boehm,J. A. Rodriguez‐Rivera,N. B. Christensen,Kim Lefmann	9
9	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 2021 ·Physical Chemistry Chemical Physics ·Bodil Holst,Gil Alexandrowicz,(unknown),G. Benedek,G. Bracco,Wolfgang Ernst,Daniel Farı́as,A. P. Jardine,Kim Lefmann,J. R. Manson,Roberto Marquardt,(unknown),S. J. Sibener,Justin W. Wells,Anton Tamtögl,W. Allison	33
10	Nature of the magnetic stripes in fully oxygenated La2CuO4+y 2021 ·Physical review. B. ·(unknown),H. Jacobsen,(unknown),S. L. Holm,(unknown),(unknown),J.‐C. Grivel,W. Schmidt,Rasmus Toft-Petersen,P. Steffens,Martin Boehm,B. O. Wells,Linda Udby,Kim Lefmann,Astrid T. Rømer	4
11	Classical Spin Liquid or Extended Critical Range in h-YMnO3? 2021 ·Physical Review Letters ·(unknown),Jakob Lass,(unknown),(unknown),Ch. Niedermayer,U. Stuhr,Guangyong Xu,D. Prabhakaran,P. P. Deen,S. L. Holm,Kim Lefmann	7
12	Structural characterization and magnetic properties of chromium jarosite KCr₃(OD)₆(SO₄)₂ 2020 ·Physical Chemistry Chemical Physics ·(unknown),(unknown),(unknown),Mikkel Juelsholt,Martin Boehm,Kasper S. Pedersen,Kirsten M. Ø. Jensen,Kim Lefmann,Ulla Gro Nielsen	2
13	Effects of uniaxial pressure on the spin ice Ho2Ti2O7 2020 ·Physical review. B. ·(unknown),Ingrid Bakke,Hayato Kondo,(unknown),(unknown),M. Guthrie,A. T. Holmes,Jonas Engqvist,Andrew Wildes,Kazuyuki Matsuhira,Kim Lefmann,P. P. Deen,Masaki Mito,P. Henelius	7
14	Optimization of Performance, Price, and Background of Long Neutron Guides for European Spallation Source 2019 ·Quantum Beam Science ·S. L. Holm,(unknown),Mads Bertelsen,Jonas Okkels Birk,Kim Lefmann	3
15	Prototype of the novel CAMEA concept—A backend for neutron spectrometers 2018 ·Review of Scientific Instruments ·Márton Markó,(unknown),Jonas Okkels Birk,P. G. Freeman,Kim Lefmann,N. B. Christensen,Ch. Niedermayer,Fanni Jurànyi,Jakob Lass,(unknown),H. M. Rønnow	5
16	Extraction of archaeological information from metallic artefacts—A neutron diffraction study on Viking swords 2017 ·Journal of Archaeological Science Reports ·Anna Fedrigo,Francesco Grazzi,Alan Williams,Tobias Panzner,Kim Lefmann,P. E. Lindelöf,(unknown),Peter Pentz,A. Scherillo,Florence Porcher,Markus Ströbl	8
17	VESPA: The vibrational spectrometer for the European Spallation Source 2016 ·Review of Scientific Instruments ·Anna Fedrigo,D. Colognesi,Mads Bertelsen,Monika Hartl,Kim Lefmann,P. P. Deen,Markus Ströbl,Francesco Grazzi,Marco Zoppi	10
18	"European Spallation Source - Technical Design Report" 2013 ·Research at the University of Copenhagen (University of Copenhagen) ·Lise Arleth,Mads Bertelsen,Jonas Okkels Birk,Heloisa N. Bordallo,(unknown),Ursula Hansen,S. L. Holm,(unknown),H. Jacobsen,(unknown),Søren Kynde,Kim Lefmann,(unknown),(unknown),Nicholas Skar‐Gislinge,Stig Skelboe,(unknown),Linda Udby,(unknown),Thomas H. Rod	2
19	Spin reorientation inα-Fe2O3nanoparticles induced by interparticle exchange interactions inα-Fe2O3/NiO nanocomposites 2011 ·Physical Review B ·Cathrine Frandsen,Kim Lefmann,B. Lebech,C.R.H. Bahl,(unknown),(unknown),Luise Theil Kuhn,L. Keller,Takeshi Kasama,Lionel C. Gontard,Steen Mørup	12
20	McXtrace - An X-ray Monte Carlo Ray-tracing software package 2009 ·Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) ·Kell Mortensen,Søren Kynde,Erik Knudsen,Peter Kjær Willendrup,S. Schmidt,Kim Lefmann	2

About Kim Lefmann

Kim Lefmann is a scholar working on Radiation, Condensed Matter Physics and Electronic, Optical and Magnetic Materials, having authored 180 papers that have together received 4.8k indexed citations. Recurring topics across this work include Nuclear Physics and Applications (62 papers), Advanced Condensed Matter Physics (51 papers) and Physics of Superconductivity and Magnetism (45 papers). The work is most often cited by research in Condensed Matter Physics (1.9k citations), Radiation (1.2k citations) and Electronic, Optical and Magnetic Materials (1.5k citations). Kim Lefmann has collaborated with scholars based in Denmark, Switzerland and Germany. Frequent 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. Their work appears in journals such as Nature, Science and Physical Review Letters.

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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