Ruddlesden-Popper结构杂化非常规铁电体的研究进展
张碧辉, 刘小强, 陈湘明

Recent Progress of Hybrid Improper Ferroelectrics with Ruddlesden-Popper Structure
ZHANG Bihui, LIU Xiaoqiang, CHEN Xiangming
图3 R-P结构A′2AB2O7从(a)顺电相到(b)铁电相的对称模分解及(c)铁电相中每层沿a轴的反铁畸变位移(X)及总的铁电极化强度(Ptotal)示意图[25]
Fig. 3 Symmetry mode decomposition of the (a) paraelectric to (b) ferroelectric structure in R-P A′2AB2O7, and (c) representation of anti-ferrodistortive displacements (X) at every layer and total ferroelectric polarization (Ptotal) in ferroelectric structure[25]