175 citations · 988 across the 17 of their papers we have counts for
17 papers
Multiple-magnon excitations shape the spin spectrum of cuprate parent compounds
Davide Betto, Roberto Fumagalli, Leonardo Martinelli +12
Thanks to high resolution and polarization analysis, resonant inelastic x-ray scattering (RIXS) magnetic spectra of La2CuO4, Sr2CuO2Cl2 and CaCuO2 reveal a rich set of properties o…
Restored strange metal phase through suppression of charge density waves in underdoped YBaCuO
E. Wahlberg, R. Arpaia, G. Seibold +10
The normal state of optimally doped cuprates is dominated by the "strange metal" phase that shows a linear temperature () dependence of the resistivity persisting down to the lo…
Charge density waves in YBaCuO probed by resonant x-ray scattering under uniaxial compression
H. -H. Kim, E. Lefrançois, K. Kummer +14
We report a comprehensive Cu L-edge resonant x-ray scattering study of two- and three-dimensional (2D and 3D) incommensurate charge correlations in single crystals of the under…
Large polarons as key quasiparticles in SrTiO3 and SrTiO3-based heterostructures
Andrey Geondzhian, Alessia Sambri, Gabriella M. De Luca +11
Despite its simple structure and low degree of electronic correlation, SrTiO (STO) features collective phenomena linked to charge transport and, ultimately, superconductivity,…
Mobile orbitons in CaCuO: crucial role of the Hund's exchange
Roberto Fumagalli, Jonas Heverhagen, Davide Betto +9
We investigate the Cu edge resonant inelastic x-ray scattering (RIXS) spectra of a quasi-1D antiferromagnet CaCuO. In addition to the magnetic excitations, which are…
Crystalline and magnetic structure of Ba2CuO3+δ investigated by x-ray absorption spectroscopy and resonant inelastic x-ray scattering
Roberto Fumagalli, Abhishek Nag, Stefano Agrestini +8
Motivated by the recent synthesis of BaCuO (BCO), a high temperature superconducting cuprate with putative ground state symmetry, we investigated its ele…
Resonant inelastic x-ray scattering of magnetic excitations under pressure
Matteo Rossi, Christian Henriquet, Jeroen Jacobs +15
Resonant inelastic x-ray scattering (RIXS) is an extremely valuable tool for the study of elementary, including magnetic, excitations in matter. Latest developments of this techniq…
Formation of Incommensurate Charge Density Waves in Cuprates
H. Miao, R. Fumagalli, M. Rossi +8
Although charge density waves (CDWs) are omnipresent in cuprate high-temperature superconductors, they occur at significantly different wavevectors, confounding efforts to understa…
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…
Strange metal behaviour from charge density fluctuations in cuprates
G. Seibold, R. Arpaia, Y. Y. Peng +6
Besides the mechanism responsible for high critical temperature superconductivity, the grand unresolved issue of the cuprates is the occurrence of a strange metallic state above th…
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…
Three dimensional collective charge excitations in electron-doped cuprate superconductors
M. Hepting, L. Chaix, E. W. Huang +17
High temperature cuprate superconductors consist of stacked CuO2 planes, with primarily two dimensional electronic band structures and magnetic excitations, while superconducting c…
Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor
R. Arpaia, S. Caprara, R. Fumagalli +12
Charge density waves are a common occurrence in all families of high critical temperature superconducting cuprates. Although consistently observed in the underdoped region of the p…
Dispersion, damping, and intensity of spin excitations in the single-layer (Bi,Pb)(Sr,La)CuO cuprate superconductor family
Y. Y. Peng, E. W. Huang, R. Fumagalli +11
Using Cu- edge resonant inelastic x-ray scattering (RIXS) we measured the dispersion and damping of spin excitations (magnons and paramagnons) in the high- super…
Possibility to realize spin-orbit-induced correlated physics in iridium fluorides
M. Rossi, M. Retegan, C. Giacobbe +6
Recent theoretical predictions of "unprecedented proximity" of the electronic ground state of iridium fluorides to the SU(2) symmetric limit, relevant for su…
Re-entrant charge order in overdoped (Bi,Pb)SrCuO outside the pseudogap regime
Y. Y. Peng, R. Fumagalli, Y. Ding +15
Charge modulations are considered as a leading competitor of high-temperature superconductivity in the underdoped cuprates, and their relationship to Fermi surface reconstructions…