Order disorder elements in antiferrodistortive phase transitions

B. Rechav, Y. Yacoby, E. A. Stern, J. J. Rehr, M. Newville

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Detailed analysis of XAFS spectra of the antiferrodistortive crystals K1-xNaxTaO3 show that the local rotation angles of the oxygen octahedra in crystals with x > 0.6 are non-zero and large, hundreds of degrees above the transition temperatures to the cubic phase.

Original languageEnglish
Pages (from-to)325-326
Number of pages2
JournalPhysica B: Condensed Matter
Issue numberC
StatePublished - 1 Mar 1995
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported in part by DOE Grant No. DE-FG06-90ER45425 and BSF Grant No. 92-00348. Beamline Xll-A is supported by DOE Grant No. DE-FG05-89ER45384.


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