Anisotropy of the irreversibility line in MPMG YBa2Cu3O7-δ with Y2BaCuO5 inclusions

M. Slaski, L. T. Sagdahl, L. K. Heill, K. Fossheim, Masato Murakami, H. Fujimoto, N. Koshizuka, S. Tanaka

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Abstract

A systematic study of the magnetic irreversibility behavior in the MPMG (melt-powder-melt-grown) material with Y2BaCuO5 inclusions have been performed. The irreversibility line was measured in external fields up to 8 T using an ac susceptibility technique. Large anisotropy of the irreversibility line measured in fields parallel and perpendicular to the ab-plane was observed. The frequency dependence of the irreversibility line was found to be logarithmic. The excitation field dependence of the irreversibility line is also determined.

Original languageEnglish
Pages (from-to)2495-2496
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume185-189
Issue numberPART 4
DOIs
Publication statusPublished - 1991 Dec 1
Externally publishedYes

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ASJC Scopus subject areas

  • Condensed Matter Physics

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