Analysis of orientation distribution in YBa2Cu3O 7-x polycrystals by electron channeling patterns

W. J. Kang, K. Yoshimi, S. Hanada, S. Saito, Y. Murayama, S. Hayashi, A. Nagata

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13 Citations (Scopus)

Abstract

A unit standard map for YBa2Cu3O7-x superconductors was constructed and indexed from a series of electron channeling patterns (ECPs). (001) pole figures of YBa2Cu3O 7-x tapes and bulk specimens with various values of critical current density (Jc) were drawn by using the map covering [001-1̄1̄0-1̄10] stereographic quadrant and ECPs taken from individual grains of the specimens. It was found that preferred orientation of (001) formed in the tape with a decreasing thickness of the tape, which raised Jc significantly. It is concluded that the ECP technique is very useful for the analysis of orientation distribution in small-sized YBa 2Cu3O7-x specimens such as tapes or thin films.

Original languageEnglish
Pages (from-to)6341-6346
Number of pages6
JournalJournal of Applied Physics
Volume68
Issue number12
DOIs
Publication statusPublished - 1990 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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