Order disorder elements in antiferrodistortive phase transitions

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

doi:10.1016/0921-4526(94)00850-U

Order disorder elements in antiferrodistortive phase transitions

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

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Detailed analysis of XAFS spectra of the antiferrodistortive crystals K_1-xNa_xTaO₃ 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 language	English
Pages (from-to)	325-326
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	208-209
Issue number	C
DOIs	https://doi.org/10.1016/0921-4526(94)00850-U
State	Published - 1 Mar 1995

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title = "Order disorder elements in antiferrodistortive phase transitions",

abstract = "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.",

author = "B. Rechav and Y. Yacoby and Stern, \{E. A.\} and Rehr, \{J. J.\} and M. Newville",

year = "1995",

month = mar,

day = "1",

doi = "10.1016/0921-4526(94)00850-U",

language = "אנגלית",

volume = "208-209",

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journal = "Physica B: Condensed Matter",

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T1 - Order disorder elements in antiferrodistortive phase transitions

AU - Rechav, B.

AU - Yacoby, Y.

AU - Stern, E. A.

AU - Rehr, J. J.

AU - Newville, M.

PY - 1995/3/1

Y1 - 1995/3/1

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/0642329551

U2 - 10.1016/0921-4526(94)00850-U

DO - 10.1016/0921-4526(94)00850-U

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AN - SCOPUS:0642329551

SN - 0921-4526

VL - 208-209

SP - 325

EP - 326

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

IS - C

ER -

Order disorder elements in antiferrodistortive phase transitions

Abstract

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