反铁畸变结构中由挠曲电效应和旋转致伸缩引起的界面极化与热释电性
材料科学
2013-05-30 v2
摘要
基于Landau-Ginzburg-Devonshire (LGD) 理论的理论分析表明，挠曲电性和旋转致伸缩的乘积效应可以在非铁电钙钛矿（如CaTiO3、SrTiO3和EuTiO3）的八面体倾斜相中，在反相边界、铁弹孪晶壁、表面和界面附近产生自发极化。作为示例，我们数值证明了在低于~105 K的反铁畸变结构相变温度下，SrTiO3反铁畸变相边界处存在约1-5 μC/cm²量级的大自发极化。
引用
@article{arxiv.1108.0019,
title = {Interfacial Polarization and Pyroelectricity in Antiferrodistortive Structures Induced by a Flexoelectric Effect and Rotostriction},
author = {Anna N. Morozovska and Eugene A. Eliseev and Maya D. Glinchuk and Long-Qing Chen and Venkatraman Gopalan},
journal= {arXiv preprint arXiv:1108.0019},
year = {2013}
}
备注
61 page, 24 figures, 1 table; Extended version including twin domain walls