EXAFS Study on the Local Structure of a New High-Tc Superconductor in the Bi-Sr-Ca-Cu-O System
- 1 May 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (5A) , L807
- https://doi.org/10.1143/jjap.27.l807
Abstract
X-ray absorption spectroscopy has been used to study a new superconducting phase in the Bi-Ca-Sr-Cu-O system. X-ray absorption measurements at the Cu K-edge indicate that a copper ion is surrounded by five coordinated oxygen atoms, and that the Cu-O distance is 1.91 Å. Measurements at the Bi LIII-edge give the interatomic distance between bismuth and oxygen as 2.10 Å.Keywords
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