Preparation of superconductive Bi-Sr-Ca-Cu-O thick films by rapid quenching

Thick films of superconductive BiSrCaCu 2 O x were prepared by rapid quenching without any substrate. The as-quenched film was amorphous-like and not superconductive, but after heat treatment at 850–880°C, it showed superconductivity with a zero-resistance temperature of 60 K and a critical current...

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Veröffentlicht in:	Japanese Journal of Applied Physics 1988-10, Vol.27 (10), p.L1890-L1891
Hauptverfasser:	SHIMOMURA, S, TAKAHASHI, K, OHTA, M, WATANABE, A, SEIDO, M, HOSONO, F
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology Exact sciences and technology Liquid phase epitaxy deposition from liquid phases (melts, solutions, and surface layers on liquids) Materials science Methods of deposition of films and coatings film growth and epitaxy Physics
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Zusammenfassung:	Thick films of superconductive BiSrCaCu 2 O x were prepared by rapid quenching without any substrate. The as-quenched film was amorphous-like and not superconductive, but after heat treatment at 850–880°C, it showed superconductivity with a zero-resistance temperature of 60 K and a critical current of 220 A/cm 2 at 4.2 K.
ISSN:	0021-4922 1347-4065
DOI:	10.1143/jjap.27.l1890