Predicted pyrochlore to fluorite disorder temperature for A(2)Zr(2)O(7) compositions
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: Journal of Materials Research, Cyfrol 19, Rhif 6, 01.06.2004, t. 1603-1604.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Predicted pyrochlore to fluorite disorder temperature for A(2)Zr(2)O(7) compositions
AU - Rushton, MJD
AU - Grimes, RW
AU - Stanek, CR
AU - Owens, S
PY - 2004/6/1
Y1 - 2004/6/1
N2 - In a previous publication the order-disorder pyrochlore to fluorite transformation temperatures for a series of A(2)Hf(2)O(7) pyrochlores were predicted [C.R. Stanek and R.W. Grimes: Prediction of rare-earth A(2)Hf(2)O(7), pyrochlore phases. J. Am. Ceram. Soc. 2002, 85, p. 2139]. This was facilitated by establishing a relationship between these temperatures and the energy required to introduce a specific defect structure into the perfect pyrochlore lattice. Here an equivalent relationship for A(2)Zr(2)O(7) pyrochlores was generated, and from this the disorder temperatures for a number of compositions including Eu2Zr2O7 were predicted.
AB - In a previous publication the order-disorder pyrochlore to fluorite transformation temperatures for a series of A(2)Hf(2)O(7) pyrochlores were predicted [C.R. Stanek and R.W. Grimes: Prediction of rare-earth A(2)Hf(2)O(7), pyrochlore phases. J. Am. Ceram. Soc. 2002, 85, p. 2139]. This was facilitated by establishing a relationship between these temperatures and the energy required to introduce a specific defect structure into the perfect pyrochlore lattice. Here an equivalent relationship for A(2)Zr(2)O(7) pyrochlores was generated, and from this the disorder temperatures for a number of compositions including Eu2Zr2O7 were predicted.
U2 - 10.1557/JMR.2004.0231
DO - 10.1557/JMR.2004.0231
M3 - Erthygl
VL - 19
SP - 1603
EP - 1604
JO - Journal of Materials Research
JF - Journal of Materials Research
SN - 0884-2914
IS - 6
ER -