EXAFS STUDY OF BI-O BOND LENGTHS IN BI2SR2CACU2O8 HIGH-T-C SUPERCONDUCTOR

Authors
KIZLER P SU HL MAJEWSKI P ALDINGER F
Citation
P. Kizler et al., EXAFS STUDY OF BI-O BOND LENGTHS IN BI2SR2CACU2O8 HIGH-T-C SUPERCONDUCTOR, Physica. C, Superconductivity, 233(3-4), 1994, pp. 415-422
Citations number
41
Categorie Soggetti
Physics, Applied
Journal title
Physica. C, Superconductivity → ACNP
ISSN journal
09214534
Volume
233
Issue
3-4
Year of publication
1994
Pages
415 - 422
Database
ISI
SICI code
0921-4534(1994)233:3-4<415:ESOBBL>2.0.ZU;2-B
Abstract
The oxygen ordering around Bi in ''Bi2Sr2CaCu2O8'' high-T-c supercondu ctors is difficult to determine from diffraction experiments. Extended X-ray absorption fine structure (EXAFS) spectroscopy investigations o f the Bi short range order in such a case are more favourable. The pre sent investigation yielded a shortest average Bi-O bond length of 2.13 Angstrom. This value agrees with the structural model of Bordet et al . and rejects several other models of the Bi-O ordering.