Klaus Koepernik

9.0k citations

106 papers · 5.9k indexed · 2 hit papers · h-index 35

Electronic, Optical and Magnetic Materials top 0.5%
Condensed Matter Physics top 0.2%
Materials Chemistry top 2%
Atomic and Molecular Physics, and Optics top 1%
Electrical and Electronic Engineering top 10%

Co-authors: H. Eschrig Ingo Opahle Manuel Richter Jeroen van den Brink M. D. Johannes I. I. Mazin B. Büchner Deepa Kasinathan
Topics: Advanced Condensed Matter Physics (31 papers)Rare-earth and actinide compounds (28 papers)Magnetic and transport properties of perovskites and related materials (24 papers)
Cited by: Condensed Matter Physics Electronic, Optical and Magnetic Materials Atomic and Molecular Physics, and Optics
Journals: Nature Proceedings of the National Academy of Sciences Physical Review Letters
Partner nations: Germany United States France

In The Last Decade

Klaus Koepernik

104 papers receiving 5.8k 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.

Full-potential nonorthogonal local-orbital minimum-basis band-structure scheme

1999 1.7k citations Klaus Koepernik, H. Eschrig profile →
Prediction of unconventional magnetism in doped FeSb ₂

2021 212 citations Klaus Koepernik et al. profile →

Peers

Countries citing papers authored by Klaus Koepernik

Since Specialization

Citations

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

Fields of papers citing papers by Klaus Koepernik

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Klaus Koepernik

This figure shows the co-authorship network connecting the top 25 collaborators of Klaus Koepernik. A scholar is included among the top collaborators of Klaus Koepernik 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 Klaus Koepernik. Klaus Koepernik 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	Dissipationless transport signature of topological nodal lines 2025 ·Nature Communications ·(unknown),Klaus Koepernik,Louis Veyrat,(unknown),(unknown),Saicharan Aswartham,Jiang Qu,(unknown),(unknown),Federico Caglieris,(unknown),Romain Giraud,B. Büchner,Jeroen van den Brink,Carmine Ortix,Joseph Dufouleur	1
2	Topological nodal i-wave superconductivity in PtBi2 2025 ·Nature ·(unknown),(unknown),(unknown),S. Thirupathaiah,(unknown),Saicharan Aswartham,S. Wurmehl,(unknown),Klaus Koepernik,Carsten Timm,B. Büchner,Ion Cosma Fulga,С. В. Борисенко,Jeroen van den Brink	0
3	Evidence of superconducting Fermi arcs 2024 ·Nature ·(unknown),(unknown),(unknown),Alexander Fedorov,Rui Lou,(unknown),Vladimir Voroshnin,Jorge I. Facio,Klaus Koepernik,A. N. Yaresko,(unknown),Saicharan Aswartham,Jeroen van den Brink,B. Büchner,С. В. Борисенко	24
4	A Charge-Density-Wave Weyl Semimetal 2019 ·arXiv (Cornell University) ·Wujun Shi,Benjamin J. Wieder,H. L. Meyerheim,(unknown),Yang Zhang,Yiwei Li,Lei Shen,Yanpeng Qi,Lexian Yang,Jagannath Jena,P. Werner,Klaus Koepernik,S. Parkin,Yulin Chen,Claudia Felser,B. Andrei Bernevig,Zhijun Wang	1
5	Giant enhancement of Berry-dipole at topological phase transitions in BiTeI 2018 ·arXiv (Cornell University) ·Jorge I. Facio,D. V. Efremov,Klaus Koepernik,Jhih-Shih You,Inti Sodemann,Jeroen van den Brink	0
6	Strongly Enhanced Berry Dipole at Topological Phase Transitions in BiTeI 2018 ·Physical Review Letters ·Jorge I. Facio,D. V. Efremov,Klaus Koepernik,Jhih-Shih You,Inti Sodemann,Jeroen van den Brink	117
7	Generic Coexistence of Fermi Arcs and Dirac Cones on the Surface of Time-Reversal Invariant Weyl Semimetals 2017 ·Physical Review Letters ·Alexander Lau,Klaus Koepernik,Jeroen van den Brink,Carmine Ortix	36
8	Magnetism, Spin Texture, and In-Gap States: Atomic Specialization at the Surface of Oxygen-DeficientSrTiO3 2016 ·Physical Review Letters ·(unknown),Harald O. Jeschke,(unknown),Cyril Martins,Frank Lechermann,Klaus Koepernik,A. F. Santander-Syro,M. J. Rozenberg,Roser Valentí,M. Gabay	44
9	Electronic Structure of the Dark Surface of the Weak Topological Insulator Bi₁₄Rh₃I₉ 2016 ·ACS Nano ·Christian Pauly,Bertold Rasche,Klaus Koepernik,Manuel Richter,С. В. Борисенко,Marcus Liebmann,Michael Ruck,Jeroen van den Brink,Markus Morgenstern	21
10	Orbital Control of Effective Dimensionality: From Spin-Orbital Fractionalization to Confinement in the Anisotropic Ladder SystemCaCu2O3 2015 ·Physical Review Letters ·Valentina Bisogni,Krzysztof Wohlfeld,Satoshi Nishimoto,Claude Monney,Jan Trinckauf,Ke‐Jin Zhou,R. Kraus,Klaus Koepernik,C. Sekar,Vladimir N. Strocov,B. Büchner,Thorsten Schmitt,Jeroen van den Brink,J. Geck	31
11	Controlling Size‐Induced Phase Transformations Using Chemically Designed Nanolaminates 2013 ·Angewandte Chemie International Edition ·Matt Beekman,Sabrina Disch,Sergei Rouvimov,Deepa Kasinathan,Klaus Koepernik,H. Rösner,P. Zschack,Wolfgang Neumann,David C. Johnson	31
12	Nuclear magnetic resonance at up to 10.1 GPa pressure detects an electronic topological transition in aluminum metal 2013 ·Journal of Physics Condensed Matter ·(unknown),Swee K. Goh,Jürgen Haase,Manuel Richter,Klaus Koepernik,H. Eschrig	14
13	Surface Adatom Conductance Filtering in Scanning Tunneling Spectroscopy of Co-dopedBaFe2As2Iron Pnictide Superconductors 2012 ·Physical Review Letters ·Klaus Koepernik,Steven Johnston,Erik van Heumen,Y. K. Huang,(unknown),J. B. Goedkoop,M. S. Golden,Jeroen van den Brink	5
14	Electronic Confinement and Ordering Instabilities in Colossal Magnetoresistive Bilayer Manganites 2012 ·Physical Review Letters ·Jan Trinckauf,Torben Hänke,V. B. Zabolotnyy,T. Ritschel,M. Apostu,R. Suryanarayanan,A. Revcolevschi,Klaus Koepernik,T. K. Kim,(unknown),С. В. Борисенко,M. Knupfer,B. Büchner,J. Geck	1
15	Co Dimers on Hexagonal Carbon Rings Proposed as Subnanometer Magnetic Storage Bits 2009 ·Physical Review Letters ·Ruijuan Xiao,Daniel Fritsch,M. D. Kuz’min,Klaus Koepernik,H. Eschrig,Manuel Richter,K. Vietze,Gotthard Seifert	96
16	FULL-POTENTIAL LOCAL-ORBITAL APPROACH TO THE ELECTRONIC STRUCTURE OF SOLIDS AND MOLECULES 2008 ·Manuel Richter,Klaus Koepernik,H. Eschrig	1
17	Quasi-One-Dimensional Magnetism Driven by Unusual Orbital Ordering inCuSb2O6 2008 ·Physical Review Letters ·Deepa Kasinathan,Klaus Koepernik,H. Rösner	22
18	Quasi one-dimensional magnetism driven by unusual orbital ordering in CuSb$_2$O$_6$ 2007 ·Bulletin of the American Physical Society ·H. Rösner,Deepa Kasinathan,Klaus Koepernik	1
19	Ferromagnetism Induced by Orbital Order in the Charge-Transfer InsulatorCs2AgF4: An Electronic Structure Study 2007 ·Physical Review Letters ·Deepa Kasinathan,Klaus Koepernik,Ulrike Nitzsche,H. Rösner	30
20	Anomalous Quasiparticle Renormalization inNa0.73CoO2: Role of Interorbital Interactions and Magnetic Correlations 2007 ·Physical Review Letters ·J. Geck,С. В. Борисенко,H. Berger,H. Eschrig,J. Fink,M. Knupfer,Klaus Koepernik,A. Koitzsch,A. A. Kordyuk,V. B. Zabolotnyy,B. Büchner	27

About Klaus Koepernik

Klaus Koepernik is a scholar working on Condensed Matter Physics, Electronic, Optical and Magnetic Materials and Atomic and Molecular Physics, and Optics, having authored 106 papers that have together received 5.9k indexed citations. Recurring topics across this work include Advanced Condensed Matter Physics (31 papers), Rare-earth and actinide compounds (28 papers) and Magnetic and transport properties of perovskites and related materials (24 papers). The work is most often cited by research in Condensed Matter Physics (3.0k citations), Electronic, Optical and Magnetic Materials (3.4k citations) and Atomic and Molecular Physics, and Optics (2.2k citations). Klaus Koepernik has collaborated with scholars based in Germany, United States and France. Frequent co-authors include H. Eschrig, Ingo Opahle, Manuel Richter, Jeroen van den Brink, M. D. Johannes, I. I. Mazin, B. Büchner, Deepa Kasinathan, Warren E. Pickett and R. Hayn. Their work appears in journals such as Nature, Proceedings of the National Academy of Sciences 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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