Superconductivity at 95 K in the new Yb-Ba-Cu oxide system

A reproducible superconducting transition between 83 and 95 K has been observed both resistively and magnetically in the new Yb-Ba-Cu oxide system at ambient pressure. The superconducting phase has been attributed to (Yb 1- x Ba x ) 3 Cu 2 O 7-δ which has a quite similar structure to that of Sr 3 Ti...

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Veröffentlicht in:	Japanese Journal of Applied Physics 1987-04, Vol.26 (4), p.L339-L341
Hauptverfasser:	KITAZAWA, K, KISHIO, K, TAKAGI, H, HASEGAWA, T, KANBE, S, UCHIDA, S, TANAKA, S, FUEKI, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Physics Properties of type I and type II superconductors Superconductivity Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
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Beschreibung
Zusammenfassung:	A reproducible superconducting transition between 83 and 95 K has been observed both resistively and magnetically in the new Yb-Ba-Cu oxide system at ambient pressure. The superconducting phase has been attributed to (Yb 1- x Ba x ) 3 Cu 2 O 7-δ which has a quite similar structure to that of Sr 3 Ti 2 O 7 but with a large oxygen deficiency.
ISSN:	0021-4922 1347-4065
DOI:	10.1143/jjap.26.l339