Cyclic cluster growth in ferroelectric perovskites

被引：59

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.

引用

收藏

页码：1 / 187601

页数：4

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