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Theoretical Study on the Ordered Structure in Lanthanum-Modified Lead Zirconate Titanate |
| GUI Hong1;ZHANG Xiao-wen1;GU Bing-lin2 |
| 1Department of Materials Science and Engineering,
2Department of Physics, Tsinghua University, Beijing 100084
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| Cite this article: |
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GUI Hong, ZHANG Xiao-wen, GU Bing-lin 1996 Chin. Phys. Lett. 13 696-699 |
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Abstract The 1/2{111}-type ordered structure observed in lanthanum-modified lead zirconate titanate has been proved to be stable in the next-nearest-neighbor approximation by the eightpoint cluster variation method. The order parameter as a function of the composition of La3+ and lead vacancies and the order-disorder phase diagram have been obtained.
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| Keywords:
64.60.Cn
61.50.Ks
77.22.Gm
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Published: 01 September 1996
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64.60.Cn
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(Order-disorder transformations)
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61.50.Ks
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(Crystallographic aspects of phase transformations; pressure effects)
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77.22.Gm
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(Dielectric loss and relaxation)
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Abstract
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