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Growth and physical properties of top-seeded infiltration growth processed large grain (Gd, Dy)BCO bulk superconductors
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SYSNO ASEP 0482235 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Growth and physical properties of top-seeded infiltration growth processed large grain (Gd, Dy)BCO bulk superconductors Author(s) Naik, S.P.K. (JP)
Muralidhar, M. (JP)
Jirsa, Miloš (FZU-D) RID, ORCID
Murakami, M. (JP)Number of authors 4 Article number 193902 Source Title Journal of Applied Physics. - : AIP Publishing - ISSN 0021-8979
Roč. 122, č. 19 (2017), s. 1-10Number of pages 10 s. Language eng - English Country US - United States Keywords silver sheathed superconducting tapes ; thick REBaCuO films ; electromagnetic properties ; solid phase -liquid phase reaction Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) Institutional support FZU-D - RVO:68378271 UT WOS 000415703300007 EID SCOPUS 85034613818 DOI 10.1063/1.4999164 Annotation The primary prerequisite for successful single grain growth of a REBa2Cu3Oy bulk superconductor is the determination of an optimized growth temperature window of the given system. In our recent work, addition of 20wt. % of Dy2BaCuO5 (Dy-211) to the GdBa2Cu3O7-d bulk sample [(Gd,Dy)BCO] enhanced superconducting properties. Then, different isothermal dwell times were tested at various undercooling temperatures to find the temperature window appropriate for the single grain growth by a top-seeded infiltration growth process performed in air. Nearly perfect single-grain (Gd,Dy)BCO crystals were grown. A systematic and detailed investigation of the microstructure, composition, and physical properties of the single-grain (Gd,Dy)BCO superconductors was carried out. The superconducting transition was sharp with the onset at 92.9K. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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