Cyclic cluster growth in ferroelectric perovskites |
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Authors: | Lupascu Doru C Rabe Ute |
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Affiliation: | Institute of Materials Science, Darmstadt University of Technology, Petersenstrasse 23, 64287 Darmstadt, Germany. |
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Abstract: | ![]() 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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