Microstructural and magnetic analysis of a superconducting foam and comparison with IG-processed bulk samples

研究成果: Article査読

7 被引用数 (Scopus)

抄録

YBa2Cu3Oy (YBCO) foam samples show an open, porous foam structure, which may have benefits for many applications of high-T c superconductors. As the basic material of these foams is a pseudo-single crystalline material with the directional growth initiated by a seed crystal similar to standard melt-textured samples, the achieved texture of the YBCO is a very important parameter. We analyzed the local texture and grain orientation of the individual struts forming the foam by means of atomic force microscopy and electron backscatter diffraction (EBSD). Furthermore, the magnetic properties of a foam strut are evaluated by means of SQUID measurements, from which the flux pinning forces were determined. A scaling of the pinning forces in the temperature range between 60 K and 85 K was performed. These data and the details of the microstructure are compared to IG-processed, bulk material.

本文言語English
論文番号012002
ジャーナルJournal of Physics: Conference Series
695
1
DOI
出版ステータスPublished - 2016 3 17

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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