Domain structures in the α and β phases of PLZT have been studied by cold-stage transmission electron microscopy. The low temperature α-phase has stable polar microdomains coexisting with a non-polar phase. There also exists a superstructure in the low temperature α-phase associated with an antiferroelectric phase. The β-phase exhibits macrodomains which become aligned by specimen charging effects during analysis.
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Randall et al. (1987) studied this question.
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