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Survival of the d-wave superconducting state near the edge of antiferromagnetism in the cuprate phase diagram
A. Hosseini, D. M. Broun, D. E. Sheehy +5
In the cuprate superconductor , hole doping in the layers is controlled by both oxygen content and the degree of oxygen-ordering. At the composition $\rm…
Coherence, incoherence and scaling along the c axis of YBa_2Cu_3O_{6+x}
C. C. Homes, S. V. Dordevic, D. A. Bonn +3
The optical properties of single crystals of YBa_2Cu_3O_{6+x} have been examined along the c axis above and below the critical temperature (T_c) for a wide range of oxygen dopings.…
Absolute values of the London penetration depth in YBa2Cu3O6+y measured by zero field ESR spectroscopy on Gd doped single crystals
T. Pereg-Barnea, P. J. Turner, R. Harris +6
Zero-field electron spin resonance (ESR) of dilute Gd ions substituted for Y in the cuprate superconductor YBaCuO is used as a novel technique for measuring the…
Cu NMR Study of Detwinned Single Crystals of Ortho--II YBCO6.5
Z. Yamani, W. A. MacFarlane, B. W. Statt +3
Copper NMR has been used as a local probe of the oxygen ordering in Ortho--II YBa2Cu3O6.5 crystals grown in BaZrO3 crucibles. Line assignments have been made to each of the expecte…
Diffusion of Nonequilibrium Quasiparticles in a Cuprate Superconductor
N. Gedik, J. Orenstein, Ruixing Liang +2
We report a transport study of nonequilibrium quasiparticles in a high-Tc cuprate superconductor using the transient grating technique. Low-intensity laser excitation (at photon en…
Single-quasiparticle stability and quasiparticle-pair decay in YBa2Cu3O6.5 (Ortho II)
N. Gedik, P. Blake, R. C. Spitzer +4
We report results and analysis of time-resolved photoinduced reflectivity experiments on the cuprate superconductor YBa2Cu3O6.5. The sample, which has Tc=45 K, was characterized by…