Double-dimensional crossover in layered superconductor
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The critical magnetic fieldsHc2 of superconducting layered structures V/Cu were investigated. The double-dimensional crossover 3D-2D-3D was observed on the temperature (H′c2(θ)) dependences of critical magnetic fields. The field crossover 3D-2D is caused by strong temperature dependence of superconducting coherence length ξ s nearT c . The second crossover 2D-3D is provided by temperature dependence of normal metal coherence length ξ N and reflects the 3D isotropization of layered structure V/Cu at low temperature.
KeywordsAngular Dependence Coherence Length Critical Field Copper Layer Strong Temperature Dependence
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- Beasley M R 1980 inProc. Conf. Inhomogeneous Superconductors, Berkeley Springs, New York Google Scholar