Effects of Pb Content on the Formation of the High-Tc Phase in the (Bi, Pb)-Sr-Ca-Cu-O System
Open Access
- 1 July 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (7A) , L1137
- https://doi.org/10.1143/jjap.28.l1137
Abstract
Formation of the high-T c phase in the (Bi, Pb)-Sr-Ca-Cu-O system was studied using specimens with various Bi/Pb ratios. The synthesis temperature was suppressed as the Pb/(Pb+Bi) was increased. The lattice constant of the c axis of the low-T c phase (T c∼80 K) and high-T c phase (T c∼105 K) increased with increasing Pb content. Substitution of 30% Pb for Bi was found to be most preferential for the formation of the high-T c phase.Keywords
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