Twin boundaries and upper critical field Hc2 in Y-Ba-Cu-O monocrystal

L. I. Burlachkov, L. I. Glazman

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The upper critical field is studied theoretically for the YBA2Cu3Ox monocrystal with a system of parallel twins. The dependence Hc2(T) has a positive curvature ( ∂2Hc2 ∂T2 > 0) in the vicinity of Tc and a perfect crossover to the part with a negative curvature can appear as the temperature decreases. A singular maximum occurs in the angular dependence of Hc2 for the field direction coinciding with a twin plane.

Original languageEnglish
Pages (from-to)75-78
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Volume166
Issue number1-2
DOIs
StatePublished - 1 Mar 1990
Externally publishedYes

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