Cyclic cluster growth in ferroelectric perovskites

被引：57
作者：
Lupascu, DC
Rabe, U
机构：
[1] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany
[2] Univ Saarbrucken, Fraunhofer Inst Nondestruct Testing, D-66123 Saarbrucken, Germany
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 18期
关键词：
D O I：
10.1103/PhysRevLett.89.187601
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We prove that point defect clustering in perovskite ferroelectrics and the subsequent loss in switchable polarization can occur only if the depolarizing fields are locally unscreened during certain fractions of time in each of the multiple bipolar electric field cycles.
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页码：1 / 187601
页数：4
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