K. Kummer

European Synchrotron Radiation Facility — France

Physics and Astronomy · Physical Sciences

39h-index5.5kcitations190works4.52yr avg
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Research Topics

Physics of Superconductivity and Magnetism(59), Advanced Condensed Matter Physics(59), Rare-earth and actinide compounds(56), Iron-based superconductors research(36), Magnetic and transport properties of perovskites and related materials(27)

Publications190 total

X-ray analysis of Mg <sub>0.2</sub> Co <sub>0.2</sub> Ni <sub>0.2</sub> Cu <sub>0.2</sub> Zn <sub>0.2</sub> O: disentangling elemental contributions in a prototypical high-entropy oxide
Journal of Materials Chemistry A·2025Open Access
A new anionic redox path stabilizes oxygen chemistry ofthe first charge in Li-rich layered cathodes
2025Open Access
Author response for "X-raying Mg 0.2 Co 0.2 Ni 0.2 Cu 0.2 Zn 0.2 O: disentangling elemental contributions in a prototypical high-entropy oxide"
2025
Author response for "X-raying Mg 0.2 Co 0.2 Ni 0.2 Cu 0.2 Zn 0.2 O: disentangling elemental contributions in a prototypical high-entropy oxide"
2025
Weak itinerant ferromagnetism in MAX phase compound <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Cr</mml:mi><mml:mrow><mml:mn>1.9</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Fe</mml:mi><mml:mrow><mml:mn>0.1</mml:mn></mml:mrow></mml:msub><mml:mi>GeC</mml:mi></mml:mrow></mml:math>
Physical Review Materials·2025
Temperature-Dependent Resonant Inelastic X-ray Scattering at Ni L<sub>3</sub>-Edge for NaNiO<sub>2</sub> and LiNiO<sub>2</sub>
The Journal of Physical Chemistry C·2025Open Access
Temperature dependent Resonant X-ray Inelastic Scattering at Ni L3-edge for NaNiO2 and LiNiO2
arXiv (Cornell University)·2025Open Access
Magnetic frustration and weak Mn magnetic ordering in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>EuMn</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">P</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2025· 1 cited
Crystal field excitations in rattling clathrate CeBa$_7$Au$_6$Si$_{40}$
arXiv (Cornell University)·2025Open Access
Coincident onset of charge order and pseudogap in a homogeneous high-temperature superconductor
Nature Communications·2025· 2 citedOpen Access
Weak Itinerant Ferromagnetism (WIFM) in MAX phase compound Cr$_{1.9}$Fe$_{0.1}$GeC
arXiv (Cornell University)·2025Open Access
Clarifying the origin of molecular O2 in cathode oxides
Nature Materials·2025· 58 cited
Physical properties of the ferromagnetic quantum critical system <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mtext>YbNi</mml:mtext></mml:mrow><mml:mn>4</mml:mn></mml:msub><mml:mo>(</mml:mo><mml:mtext>P</mml:mtext><mml:msub><mml:mrow/><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:mtext>As</mml:mtext><mml:mrow><mml:msub><mml:mrow/><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2025
Voltage-Gated 90° Switching of Bulk Perpendicular Magnetic Anisotropy in Ferrimagnets
ACS Nano·2025· 2 cited
Chiral Altermagnon in MnTe
arXiv (Cornell University)·2025· 1 citedOpen Access
The influence of phonon symmetry and electronic structure on the electron-phonon coupling momentum dependence in cuprates
arXiv (Cornell University)·2025Open Access
Magnetic frustration and weak Mn magnetic ordering in EuMn$_2$P$_2$
arXiv (Cornell University)·2025Open Access
Spin waves and orbital contribution to ferromagnetism in a topological metal
Nature Communications·2024· 7 citedOpen Access
Controlling <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mn>4</mml:mn><mml:mi>f</mml:mi></mml:math> antiferromagnetic dynamics via itinerant electronic susceptibility
Physical Review Research·2024· 2 citedOpen Access
Achieving High‐Voltage Stability in Li‐Rich Ni‐Rich Oxides with Local W/Ni(Li) Superstructure
Advanced Energy Materials·2024· 24 citedOpen Access
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Frequent Co-authors

D. V. Vyalikh(21), N. B. Brookes(19), L. Braicovich(14), G. Ghiringhelli(14), C. Laubschat(11), S. Danzenbächer(10), С. Л. Молодцов(9), C. Geibel(9), C. Krellner(9), Hermann Ehrlich(8), Y. Y. Peng(8), Eike Brunner(7), Denis V. Kurek(7), M. Salluzzo(7), M. Minola(7), Davide Betto(7), Alexander Generalov(7), M. Güttler(7), Vasilii V. Bazhenov(6), R. Born(6)