Temperature-dependent EXAFS study on oriented YBa2Cu3O7-δ superconductor

H. Maeda, T. Ishii, H. Maruyama, Y. Kubozono, H. Yamazaki, M. Warden, S. Emura, E. A. Stern, S. M. Heald

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The polarized Cu K-edge EXAFS measurements on oriented powder of YBa2Cu3O7-δ (Tc = 93 K, 5 μm grain size) are made as a function of temperature from 20 to 300 K for the a-b plane and the c axis being parallel to the X-ray polarization vector ε{lunate}. Here, we focus on the local structure of CuO bonds in the a-b planes. It is found that the average CuO (equalatorial) distance and cumulants in the CuO4 square plane show anomalous behaviors around Tc.

Original languageEnglish
Pages (from-to)528-530
Number of pages3
JournalPhysica B: Condensed Matter
Issue numberC
StatePublished - 1 Mar 1995
Externally publishedYes


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