B. Keimer

Max Planck Institute for Solid State Research — Germany

Physics and Astronomy · Physical Sciences

94h-index33.7kcitations756works4.02yr avg
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Research Topics

Physics of Superconductivity and Magnetism(417), Advanced Condensed Matter Physics(379), Magnetic and transport properties of perovskites and related materials(332), Electronic and Structural Properties of Oxides(119), Magnetic properties of thin films(98)

Publications755 total

Magnetism of the alternating monolayer-trilayer phase of La$_3$Ni$_2$O$_7$
arXiv (Cornell University)·2025Open Access
Magnetism of the alternating monolayer-trilayer phase of La$_3$Ni$_2$O$_7$
ArXiv.org·2025Open Access
Comparative Raman study of Ruddlesden-Popper nickelates and the monolayer-trilayer polymorph
arXiv (Cornell University)·2025Open Access
Comparative Raman study of Ruddlesden-Popper nickelates and the monolayer-trilayer polymorph
ArXiv.org·2025Open Access
Superconductivity in infinite-layer and Ruddlesden–Popper nickelates
Nature Reviews Physics·2025
Direct imaging of residual oxygen disorder in an infinite-layer nickelate superlattice via multislice ptychography
Nature Communications·2025Open Access
Dispersion-compensated Rowland spectrometer: implications for uranium VB-RIXS
Journal of Synchrotron Radiation·2025Open Access
Uniaxial strain tuning of polar lattice vibrations in KTaO$_3$ and SrTiO$_3$
arXiv (Cornell University)·2025Open Access
Resonant inelastic x-ray scattering at the actinide <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi mathvariant="normal">M</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn><mml:mo>,</mml:mo><mml:mn>5</mml:mn></mml:mrow></mml:msub></mml:math>-edges
Physical Review Research·2025· 2 citedOpen Access
Enhanced Coherent Terahertz Emission from Critical Superconducting Fluctuations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msub> <mml:mrow> <mml:mi>YBa</mml:mi> </mml:mrow> <mml:mn>2</mml:mn> </mml:msub> <mml:msub> <mml:mrow> <mml:mi>Cu</mml:mi> </mml:mrow> <mml:mn>3</mml:mn> </mml:msub> <mml:msub> <mml:mrow> <mml:mi mathvariant="normal">O</mml:mi> </mml:mrow> <mml:mn>6.6</mml:mn> </mml:msub> </mml:mrow> </mml:math>
Physical Review X·2025Open Access
Interplay between electronic and atomic short-range order in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>La</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Ca</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi>CuO</mml:mi><mml:mrow><mml:mn>4</mml:mn><mml:mo>−</mml:mo><mml:mi>δ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>: Temperature and doping dependence
Physical review. B./Physical review. B·2025· 1 citedOpen Access
Uniaxial-Pressure Control of Excitonic Fluctuations and Monoclinic Distortions in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Ta</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>NiSe</mml:mi></mml:mrow><mml:mrow><mml:mn>5</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math>
Physical Review Letters·2025Open Access
Lattice dynamics of the infinite-layer nickelate <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>LaNiO</mml:mi> <mml:mn>2</mml:mn> </mml:msub> </mml:math>
Physical review. B./Physical review. B·2025Open Access
High-resolution valence band RIXS at the actinide M$_{4,5}$-edges
arXiv (Cornell University)·2025Open Access
Evolution of spin excitations in superconducting La$_{2-x}$Ca$_{x}$CuO$_{4-δ}$ from the underdoped to the heavily overdoped regime
arXiv (Cornell University)·2025Open Access
Hybridization of lattice and charge order excitations in a superconducting cuprate
Communications Physics·2025· 1 citedOpen Access
Nonvolatile multistate electrothermal resistive switching in a strongly correlated insulator thin-film device
Physical Review Applied·2025· 2 cited
Robust Charge Density Wave Correlations in Optimally Doped <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>YBa</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">y</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:mrow></mml:math>
Physical Review Letters·2025Open Access
Probing amplified Josephson plasmons in YBa2Cu3O6+x by multidimensional spectroscopy
npj Quantum Materials·2025· 5 citedOpen Access
Alternate cleavage structure and electronic inhomogeneity in Ca-doped <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">YBa</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">Cu</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>7</mml:mn><mml:mo>−</mml:mo><mml:mi>δ</mml:mi></mml:mrow></mml:msub></mml:math>
Physical review. B./Physical review. B·2025
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Frequent Co-authors

M. Le Tacon(11), V. Hinkov(11), C. T. Lin(11), Alex Frañó(9), T. Loew(9), P. Bourges(9), Y. Sidis(9), A. V. Boris(8), M. Minola(7), A. Ivanov(7), C. Bernhard(7), G. Ghiringhelli(6), Y. Tokura(5), S. Blanco-Canosa(5), E. Weschke(5), L. Braicovich(5), D. Haug(5), Giniyat Khaliullin(5), J. Porras(5), Feizhou He(4)