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A New Bismuth-Containing Cuprate, Bi 2 LaCaCuO 6.5+y , as an Insulator Phase of Superconductor Bi 2 Sr 2 CuO 6+y

1988; Institute of Physics; Volume: 27; Issue: 10A Linguagem: Inglês

10.1143/jjap.27.l1864

1347-4065

Yasuhiko Takemura, Masashi Hongo, Kazuhiro Wakaizumi, Akiharu Miyanaga, S. Yamazaki,

HVDC Systems and Fault Protection

A new Bi-containing cuprate, Bi 2 LaCaCuO 6.5+ y , was found and its properties were investigated. Its crystal structure was considered to be identical to that of the 7 K-class superconductor, Bi 2 Sr 2 CuO 6+ y . Semiconductive behavior of electrical resistivity and very weak diamagnetism were observed. Its unique magnetic property is discussed.