Polarization-dependent EXAFS studies in layered copper oxide superconductors

Susan M. Mini; Ercan E. Alp; Mohan Ramanathan; A. Bommannavar; O. B. Hyun

doi:10.1117/12.23319

1 January 1991 Polarization-dependent EXAFS studies in layered copper oxide superconductors

Susan M. Mini, Ercan E. Alp, Mohan Ramanathan, A. Bommannavar, O. B. Hyun

Proceedings Volume 1345, Advanced X-Ray/EUV Radiation Sources and Applications; (1991) https://doi.org/10.1117/12.23319
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

Linearly polarized synchrotron radiation is used to study the structure of magnetically aligned layered copper oxide high temperature superconductors. Polarized extended X-ray absorption fine structure (EXAFS) measurements of oriented powders of YBa2Cu3O6.9 are reported at temperatures ranging from 20-300 K. Measurements made at the Cu K-edge with the X-ray polarization vector oriented perpendicular and parallel to the c axis can be used to effectively probe the structure around the Cu-atoms in the ab (horizontal layer) plane as well as in the c (vertical layer) plane.

Citation Download Citation

Susan M. Mini, Ercan E. Alp, Mohan Ramanathan, A. Bommannavar, and O. B. Hyun "Polarization-dependent EXAFS studies in layered copper oxide superconductors", Proc. SPIE 1345, Advanced X-Ray/EUV Radiation Sources and Applications, (1 January 1991); https://doi.org/10.1117/12.23319

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