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Momentum-dependent charge correlations in YBaCuO superconductors probed by resonant x-ray scattering: Evidence for three competing phases
S. Blanco-Canosa, A. Frano, T. Loew +10
We have used resonant x-ray scattering to determine the momentum dependent charge correlations in YBaCuO samples with highly ordered chain arrays of oxygen accepto…
Anharmonic suppression of Charge density wave in 2H-NbS
Maxime Leroux, Mathieu Le Tacon, Matteo Calandra +6
The temperature dependence of the phonon spectrum in the superconducting transition metal dichalcogenide 2H-NbS is measured by diffuse and inelastic x-ray scattering. A deep, w…
Thermoelectric Properties of YBa2Cu3O7-(La,Ca)MnO3 Superlattices
S. Heinze, H. -U. Habermeier, G. Cristiani +3
We report measurements of the thermoelectric power and electrical resistivity of superlattices composed of the high-temperature superconductor YBa2Cu3O(7-delta) (YBCO) and the meta…
Long-range incommensurate charge fluctuations in (Y,Nd)Ba2Cu3O(6+x)
G. Ghiringhelli, M. Le Tacon, M. Minola +17
There are increasing indications that superconductivity competes with other orders in cuprate superconductors, but obtaining direct evidence with bulk-sensitive probes is challengi…
Long-range transfer of electron-phonon coupling in oxide superlattices
N. Driza, S. Blanco-Canosa, M. Bakr +10
The electron-phonon interaction is of central importance for the electrical and thermal properties of solids, and its influence on superconductivity, colossal magnetoresistance, an…
Optically induced coherent transport far above Tc in underdoped YBa2Cu3O6+x
S. Kaiser, C. R. Hunt, D. Nicoletti +8
We report on a photo-induced transient state of YBa2Cu2O6+x in which transport perpendicular to the Cu-O planes becomes highly coherent. This effect is achieved by excitation with…
Anomalous dependence of the c-axis polarized Fe B phonon mode with Fe and Se concentrations in FeTeSe
Y. J. Um, A. Subedi, P. Toulemonde +10
We report an investigation of the lattice dynamical properties in a range of FeTeSe compounds, with special emphasis on the c-axis polarized vibration of Fe w…