Ferroelectric fatigue in perovskite oxides

Ferroelectric fatigue in perovskite oxides
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DOI:
10.1063/1.114515
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发表时间:
1995-09
影响因子:
4
通讯作者:
W. L. Warren;B. Tuttle;D. Dimos
W. L. Warren;B. Tuttle;D. Dimos
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
W. L. Warren;B. Tuttle;D. Dimos

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我们发现,通过反复的极化反转(疲劳)的钛酸钡晶体中的可切换的极化的减少是伴随着在钙钛矿氧八面体的电子电荷和原子尺度的扭曲的捕获。提出的扭曲涉及氧空位。
We find that the reduction of the switchable polarization in BaTiO3 crystals via repeated polarization reversals (fatigue) is accompanied by the trapping of electronic charge and atomic scale distortions in the perovskite oxygen octahedron. The distortions are proposed to involve oxygen vacancies.