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14 (a) (1−x)(CaySr1−y)1.15Tb1.85Fe2O7-xCa3Ti2O7(0≤x≤0.3, y=0.60)的相图; (b)铁电极化与饱和磁化强度随成分的变化; (c)当温度为60和100 K时, 线性磁电耦合系数随成分的变化[136]
Fig. 14 (a) Phase diagram of (1−x)(CaySr1−y)1.15Tb1.85Fe2O7-xCa3Ti2O7 (0≤x≤0.3, y=0.60); (b) Ferroelectric polarization and saturated magnetic moment versus composition; (c) Linear magnetoelectric susceptibility versus composition at 60 and 100 K[136]