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Charge and spin order dichotomy in NdNiO driven by SrTiO capping layer
G. Krieger, L. Martinelli, S. Zeng +10
Superconductivity in infinite-layer nickelates holds exciting analogies with that of cuprates, with similar structures and -electron count. Using resonant inelastic x-ray scatt…
Doping-dependence of the electron-phonon coupling in two families of bilayer superconducting cuprates
Yingying Peng, Leonardo Martinelli, Qizhi Li +21
While electron-phonon coupling (EPC) is crucial for Cooper pairing in conventional superconductors, its role in high- superconducting cuprates is debated. Using resonant inela…
Evolution of topological superconductivity by orbital selective confinement in oxide nanowires
C. A. Perroni, V. Cataudella, M. Salluzzo +2
We determine the optimal conditions to achieve topological superconducting phases having spin-singlet pairing for a planar nanowire with finite lateral width in the presence of an…
Determining the Electron-Phonon Coupling in Superconducting Cuprates by Resonant Inelastic X-ray Scattering: Methods and Results on NdBaCuO
Lucio Braicovich, Matteo Rossi, Roberto Fumagalli +15
The coupling between lattice vibration quanta and valence electrons can induce charge density modulations and decisively influence the transport properties of materials, e.g. leadi…
Experimental Determination of Momentum-Resolved Electron-Phonon Coupling
Matteo Rossi, Riccardo Arpaia, Roberto Fumagalli +9
We provide a novel experimental method to quantitatively estimate the electron-phonon coupling and its momentum dependence from resonant inelastic x-ray scattering (RIXS) spectra b…
Polarization resolved Cu -edge resonant inelastic x-ray scattering of orbital and spin excitations in NdBaCuO
R. Fumagalli, L. Braicovich, M. Minola +14
High resolution resonant inelastic x-ray scattering (RIXS) has proven particularly effective in the determination of crystal field and spin excitations in cuprates. Its strength li…