Article

Critical fields in superconducting periodic structures

E. V. MinenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovR. I. ShekhterPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovI. O. KulikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov

Soviet Journal of Low Temperature Physicsjournal1980en

ABI

Abstract

The Ginzburg–Landau equations derived in this paper for doped superconducting superstructures containing both normal and magnetic impurities are used to investigate critical magnetic fields. In the temperature range where the superstructure period a is much shorter than the coherence length ξ(T), the angular dependence of Hc2 has been found to be universal and to depend on the anisotropy coefficient α only. Effects of disorder (i.e., deviations of the superstructure potential from periodicity) on the results obtained are discussed in terms of localized states.

Topics

Physics of Superconductivity and Magnetism Rare-earth and actinide compounds Superconductivity in MgB2 and Alloys

Identifiers

DOI: 10.1063/10.0030058

Citations and references

Cited by 08 references

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