Nernst Effect Measurements of Epitaxial Y0.95Ca0.05Ba2(Cu1−xZnx)3Oy and Y0.9Ca0.1Ba2Cu3Oy Superconducting Films

I. Kokanović; J. R. Cooper; M. Matusiak

doi:10.1103/PhysRevLett.102.187002

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Nernst Effect Measurements of Epitaxial Y0.95Ca0.05Ba2(Cu1−xZnx)3Oy and Y0.9Ca0.1Ba2Cu3Oy Superconducting Films

I. Kokanović, J. R. Cooper, M. Matusiak

DOI 10.1103/PhysRevLett.102.187002 · Physical Review Letters

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Abstract

We report Nernst effect data for crystalline films of Y0.95Ca0.05Ba2(Cu1−xZnx)3Oy (with x=0, 0.02, and 0.04) and Y0.9Ca0.1Ba2Cu3Oy grown by pulsed laser deposition. We show that our own results and published data for LSCO are consistent with the theory of Gaussian superconducting fluctuations. We also show that Zn doping increases the Nernst coefficient simply because it reduces the in-plane conductivity.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Y0.95Ca0.05Ba2(Cu1-xZnx)3Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Y0.9Ca0.1Ba2Cu3Oy Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown