G. Ghiringhelli

Publications258
h-index45
Citations6,932
Highly Influential Citations106
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Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x
A State of High Tc Superconductivity There are strong indications that high-temperature superconductivity in the cuprates is formed amid competing orders, but only two have been observed…
SAXES, a high resolution spectrometer for resonant x-ray emission in the 400-1600 eV energy range
We present a 5m long spectrometer for soft x rays to be used at a synchrotron radiation beamline for resonant x-ray emission spectroscopy and resonant inelastic x-ray scattering in the 400–1600eV…
Energy and symmetry of dd excitations in undoped layered cuprates measured by Cu L-3 resonant inelastic x-ray scattering
We measured the high-resolution Cu L-3 edge resonant inelastic x-ray scattering (RIXS) of undoped cuprates La2CuO4, Sr2CuO2Cl2, CaCuO2 and NdBa2Cu3O6. The dominant spectral features were assigned to…
Inelastic X-ray scattering in YBa 2 Cu 3 O 6:6 reveals giant phonon anomalies and elastic central peak due to charge-density-wave formation
Inelastic X-ray scattering studies of YBa2Cu3O6.6 reveal strong electron-phonon coupling and an inhomogeneous state made up of charge-density-wave nanodomains, which may explain some anomalous…
Orbital reconstruction and the two-dimensional electron gas at the LaAlO3/SrTiO3 interface.
TLDR
These results are based on extensive investigations of the electronic properties and of the orbital structure of the interface using x-ray absorption spectroscopy and find that the degeneracy of the Ti 3d states is fully removed and that theTi 3d xy levels become the first available states for conducting electrons.
Momentum-dependent charge correlations in YBa2Cu3O6+δ superconductors probed by resonant X-ray scattering: evidence for three competing phases.
TLDR
The results indicate a three-phase competition between spin-modulated, charge- modulated, and superconducting states in underdoped YBa(2)Cu(3)O(6+δ) samples with highly ordered chain arrays of oxygen acceptors.
Exchange splitting and charge carrier spin polarization in EuO.
High quality thin films of the ferromagnetic semiconductor EuO have been prepared and were studied using a new form of spin-resolved spectroscopy. We observed large changes in the electronic…
Dispersive charge density wave excitations in Bi2Sr2CaCu2O8+[delta]
Ultrahigh-resolution resonant inelastic X-ray scattering shows how dispersive charge density wave excitations influence the charge and lattice degrees of freedom in a high-Tc cuprate, pointing to a…
Charge order and its connection with Fermi-liquid charge transport in a pristine high-T(c) cuprate.
TLDR
The observation of charge-density-wave correlations in the model cuprate superconductor HgBa2CuO(4+δ) (T(c)=72 K) via bulk Cu L3-edge-resonant X-ray scattering points to a unifying picture in which these two phenomena are preceded at the higher pseudogap temperature by q=0 magnetic order and the build-up of significant dynamic antiferromagnetic correlations.
Intense paramagnon excitations in a large family of high-temperature superconductors
In the copper oxide superconductors, spin fluctuations might be involved in the electronic pairing mechanism. The case for such magnetically mediated superconductivity is now strengthened by the…
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