Domain pattern formation in ferroelastic Pb-3(PO4)(2) by computer simulation

被引：2
|
作者：
Parlinski, K
Kawazoe, Y
机构：
[1] Institute for Materials Research, Tohoku University
[2] Institute of Nuclear Physics, 31-342 Cracow
来源：
JOURNAL OF MATERIALS RESEARCH | 1997年 / 12卷 / 09期
关键词：
D O I：
10.1557/JMR.1997.0313
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A model of lead phosphate, which describes the rhombohedral-monoclinic phase transition, is used to form domain patterns in the annealing process. The obtained domain structures show W and W' types of domain walls in agreement with the stress-free laws proposed in Sapriel's theory. The observed W domain walls are parallel to the ternary symmetry axis, while the W' ones are tilted with respect to the same axis. The antiphase domain walls take no preferential orientations, and remain parallel to the ternary axis. The calculated density of the potential energy of the domain wall of type W is estimated to be E-dw = 49 K/A(2) at T = 300 K.
引用
收藏
页码：2366 / 2373
页数：8
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