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Estimation of the temperature derivative of the upper critical field and its anisotropy in high-temperature superconductors from fluctuation effects in heat capacity and magnetic susceptibility

G. P. MikitikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovA. S. PanfilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov
Soviet Journal of Low Temperature Physicsjournal1990en
ABI

Abstract

A method based on the analysis of fluctuational contributions to heat capacity and magnetic susceptibility is proposed for estimating the temperature derivatives of upper critical fields of high-temperature superconductors. The fluctuational contribution to the magnetic susceptibility of YBa2Cu3O7 is investigated experimentally and estimates of derivatives are obtained for this superconductor.

Topics

Physics of Superconductivity and MagnetismSuperconductivity in MgB2 and AlloysMagnetic and transport properties of perovskites and related materials

Identifiers

DOI
10.1063/10.0032645

Citations and references

Cited by 07 references
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