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7 papers · 2 filters
Observation of spin-bottleneck due to spin-charge separation in a superconductor
B. Leridon, J. Lesueur, M. Aprili
An experimental device was designed to measure the effect of the injection of spin-polarized carriers on the superconductive gap and density-of-states (DOS). Quasiparticles were in…
Infrared Properties of Electron Doped Cuprates: Tracking Normal State Gaps and Quantum Critical Behavior in Pr(2-x)Ce(x)CuO(4)
A. Zimmers, J. M. Tomczak, R. P. S. M. Lobo +7
We report the temperature dependence of the infrared-visible conductivity of Pr(2-x)Ce(x)CuO(4) thin films. When varying the doping from a non-superconducting film (x = 0.11) to a…
Infrared Signature of the Superconducting State in Pr(2-x)Ce(x)CuO(4)
A. Zimmers, R. P. S. M. Lobo, N. Bontemps +4
We measured the far infrared reflectivity of two superconducting Pr(2-x)Ce(x)CuO(4) films above and below Tc. The reflectivity in the superconducting state increases and the optica…
The in-plane electrodynamics of the superconductivity in Bi2Sr2CaCu2O8+d: energy scales and spectral weight distribution
A. F. Santander-Syro, R. P. S. M. Lobo, N. Bontemps +5
The in-plane infrared and visible (3 meV-3 eV) reflectivity of Bi2Sr2CaCu2O8+d (Bi-2212) thin films is measured between 300 K and 10 K for different doping levels with unprecedente…
Interband scattering in MgB2
R. P. S. M. Lobo, M. Elsen, P. Monod +7
The scattering process responsible for connecting the bands remains one of the last open questions on the physical properties of MgB2. Through the analysis of the equilibrium and p…
Interplay between the pseudogap and superconductivity in HgBaCuO single crystals
Y. Gallais, A. Sacuto, T. P. Devereaux +1
We report a doping dependant Electronic Raman Scattering (ERS) study of HgBaCuO (Hg-1201) single crystals. We investigate the dynamics of the antinodal and nodal quasip…