Effect of c-axis anisotropy on the properties of high-Tc superconductor films of finite thickness

We study the properties of high-temperature superconductor films of arbitrary thickness with uniaxial mass anisotropy. We obtain high precision ideal vortex lattice solutions of the generalized three-dimensional nonlinear anisotropic Ginzburg-Landau equations for arbitrary film thickness. The effect...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2008-11, Vol.468 (22), p.2241-2249
Main Authors: ACHALERE, Archana, DEY, Bishwajyoti
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
High-tc films
Physics
Properties of type I and type II superconductors
Superconducting films and low-dimensional structures
Superconductivity
Vortex lattices ,flux pinning, flux creep
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Summary:We study the properties of high-temperature superconductor films of arbitrary thickness with uniaxial mass anisotropy. We obtain high precision ideal vortex lattice solutions of the generalized three-dimensional nonlinear anisotropic Ginzburg-Landau equations for arbitrary film thickness. The effect of c-crystal axis mass anisotropy on various properties of the high-temperature superconductors such as order parameter, magnetic field variance inside and outside the film, surface energy, and shear modulus of vortex lattice is examined. The anisotropic current density profile is calculated for frequently used experimental film thickness range of YBa2Cu3O7-delta.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2008.07.002