Transmission EBSD (t-EBSD) to determine grain and grain boundary properties on nanostructured superconductor samples

Research output: Contribution to journalConference article

Abstract

The knowledge of the properties of the grains and their grain boundaries is essential for the further optimization of sample performance of various high-T c samples (YBa2Cu3Oy (YBCO), Bi-based cuprates, MgB2, iron-based materials). In these materials either the grains are of nanometer dimensions or the various additions of secondary phase(s) to improve the flux pinning are required to be of nanometer dimensions, so a high achievable resolution and better imaging properties are important to obtain reasonably high image quality of the recorded Kikuchi patterns to enable automated orientation mapping using the EBSD technique. Therefore, the newly developed transmission-EBSD (t-EBSD) technique is the method of choice to analyze the grain and the grain boundary properties in such nanostructured superconducting materials. Several results obtained on MgB2, melt-textured, infiltration-growth processed YBCO and electrospun Bi2Sr2CaCu2O8 nanowires are presented.

Original languageEnglish
Article number012008
JournalJournal of Physics: Conference Series
Volume1293
Issue number1
DOIs
Publication statusPublished - 2019 Oct 15
Event31st International Symposium on Superconductivity, ISS 2018 - Tsukuba, Ibaraki, Japan
Duration: 2018 Dec 122018 Dec 14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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