Orientations of Y2BaCuO5 and YBCO within melt-textured and directional solidified samples studied by EBSD

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Abstract

By means of automated electron backscatter diffraction (EBSD) analysis, we studied the local orientations of embedded Y2BaCuO5 (2 1 1) particles within melt-textured YBCO samples, and also the orientations of embedded YBCO particles in directional solidified 211 samples. On both systems, we obtained high-quality Kikuchi patterns, allowing the automated mapping of the crystal orientations and a multi-phase analysis. In melt-textured YBCO with (0 0 1) orientation, we find that the embedded 211 particles do not have any preferred orientation, but the maps also reveal that at certain orientations of the 211 particles the YBCO growth is not altered. In directional solidified 211 samples, where the 211 is mainly oriented in (0 0 1) direction, the embedded YBCO particles show only some specific orientations.

Original languageEnglish
Pages (from-to)589-595
Number of pages7
JournalPhysica C: Superconductivity and its Applications
Volume392-396
Issue numberPART 1
DOIs
Publication statusPublished - 2003 Oct
Externally publishedYes

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Keywords

  • Automated mapping
  • Bulk high- T superconductors
  • Ceramics
  • Electron backscatter diffraction
  • SEM

ASJC Scopus subject areas

  • Condensed Matter Physics

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