Partial Melt Processing of Magnetically-Aligned YBa2Cu3O7-x Thick Films

Jennifer A. Lewis, Tayyab Suratwala, Kenneth C. Arndt

Research output: Contribution to journalLetter

Abstract

Textured YBa2Cu3O7-x (YBCO) thick films were fabricated in the green state by casting particulate-based suspensions in an applied magnetic field (7 T) at ambient temperature. These films, along with non-aligned films, were fired to various temperatures above the peritectic temperature (≈1020°C) to evaluate the effects of partial melt processing on their microstructural development and performance properties. The degree of domain alignment in the fired films was measured by x-ray diffraction (XRD) analysis. This showed that the aligned films had a high degree of c-axis texture. Examination by SEM/EDAX revealed distinct differences in both the film density and texture development between aligned and nonaligned films. Finally, the magnetic properties of each film were measured at 5 K using a SQUID magnetometer (5.5 T maximum field). These measurements indicated that a high degree of anisotropy was present only in the partial melt processed aligned YBCO films.

Original languageEnglish (US)
Pages (from-to)1702-1705
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume3
Issue number1
DOIs
StatePublished - Mar 1993

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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