Electron backscatter diffraction study of polycrystalline YBa2Cu3O7-δ ceramics

Anjela Koblischka-Veneva; Michael R. Koblischka; Petra Simon; Frank Mücklich; Masato Murakami

doi:10.1016/S0921-4534(02)01244-3

Electron backscatter diffraction study of polycrystalline YBa₂Cu₃O_7-δ ceramics

Anjela Koblischka-Veneva, Michael R. Koblischka, Petra Simon, Frank Mücklich, Masato Murakami

Research output: Contribution to journal › Article

14 Citations (Scopus)

Abstract

The electron backscatter diffraction (EBSD) technique was applied to polycrystalline YBa₂Cu₃O_7-δ ceramics. To obtain good quality EBSD Kikuchi patterns on the ceramic superconductors, a new sample polishing route was established. Samples with and without KClO₃-doping were investigated; and the crystallographic orientations of the grains were analyzed using pole figures and EBSD orientation mapping. On the polycrystalline KClO₃-doped YBa₂Cu₃O_7-δ samples we found two major orientations (0 0 1) and (1 0 0) normal to the sample surface, while the undoped sample did not exhibit any orientation maxima. We ascribe this observation to the effect of a liquid phase due to the KClO₃-additive during the preparation process.

Original language	English
Pages (from-to)	311-322
Number of pages	12
Journal	Physica C: Superconductivity and its applications
Volume	382
Issue number	2-3
DOIs	https://doi.org/10.1016/S0921-4534(02)01244-3
Publication status	Published - 2002 Nov 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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Koblischka-Veneva, A., Koblischka, M. R., Simon, P., Mücklich, F., & Murakami, M. (2002). Electron backscatter diffraction study of polycrystalline YBa₂Cu₃O_7-δ ceramics. Physica C: Superconductivity and its applications, 382(2-3), 311-322. https://doi.org/10.1016/S0921-4534(02)01244-3

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abstract = "The electron backscatter diffraction (EBSD) technique was applied to polycrystalline YBa2Cu3O7-δ ceramics. To obtain good quality EBSD Kikuchi patterns on the ceramic superconductors, a new sample polishing route was established. Samples with and without KClO3-doping were investigated; and the crystallographic orientations of the grains were analyzed using pole figures and EBSD orientation mapping. On the polycrystalline KClO3-doped YBa2Cu3O7-δ samples we found two major orientations (0 0 1) and (1 0 0) normal to the sample surface, while the undoped sample did not exhibit any orientation maxima. We ascribe this observation to the effect of a liquid phase due to the KClO3-additive during the preparation process.",

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