Structural Study on Fluorine Doped Bi (Pb)-Sr-Ca-Cu-O Superconductors

A F-doped Bi (Pb)-Sr-Ca-Cu-O superconductor shows a higher Tc value than that without F doping in AC susceptibility measurement. Specimens were sintered in two stages. The doping of CaF2 in starting powders caused a considerable amount of Ca2PbO4 as an intermediate phase on the first sintering, whic...

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Veröffentlicht in:	Journal of the Ceramic Society of Japan 1992/07/01, Vol.100(1163), pp.882-887
Hauptverfasser:	LEE, Soo Young, KOSUDA, Kosuke, TSUTSUMI, Masayuki, MITSUHASHI, Takefumi, NOZAKI, Hiroshi, HORIUCHI, Shigeo, KITAGUCHI, Hitoshi, TOGANO, Kazumasa
Format:	Artikel
Sprache:	eng
Schlagworte:	2223 phase AC susceptibility Bi (Pb)-based superconductor Ca2PbO4 CaF2 doping DTA EPMA Pb distribution SEM SrF2 TEM Two stages sintering
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