The Effect of Ca2PbO4 Addition on Superconductivity in a Bi-Sr-Cu-O System
- 1 January 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (1A), L75
- https://doi.org/10.1143/jjap.28.l75
Abstract
We examined the effect of Ca2PbO4 addition on superconductivity in a Bi-Sr-Cu-O system. We determined that Ca2PbO4 is formed in Bi-Pb-Sr-Ca-Cu-O at temperatures lower than 750°C on the basis of powder X-ray diffraction and micro-Raman scattering. A high-T c phase was synthesized by adding Ca2PbO4 to the Bi-Sr-Cu-O system which has a single CuO layer. It seems that the synthesis process of the high-T c phase is based on a reaction between the low-T c structure and Ca2+ in the liquid phase which is caused by decomposition of Ca2PbO4 at 822°C.Keywords
This publication has 5 references indexed in Scilit:
- High-Tc Phase Promoted and Stabilized in the Bi, Pb-Sr-Ca-Cu-O SystemJapanese Journal of Applied Physics, 1988
- A New High-Tc Oxide Superconductor without a Rare Earth ElementJapanese Journal of Applied Physics, 1988
- Superconductivity in the Bi - Sr - Cu - O systemZeitschrift für Physik B Condensed Matter, 1987
- Superconductivity in the Bi-Sr-Cu-O SystemJapanese Journal of Applied Physics, 1987
- Die Kristallstruktur der Verbindungen vom Sr2PbO4‐TypZeitschrift für anorganische und allgemeine Chemie, 1969