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13 双层R-P材料(Ca3Ti2O7陶瓷[80]、Sr3Sn2O7陶瓷[84]、Sr3Zr2O7陶瓷[86]、Li2CaTa2O7陶瓷[26]、Li2SrNb2O7陶瓷[130])铁电性能的对比

Fig. 13 Comparison of ferroelectric properties of double-layered R-P materials (Ca3Ti2O7 ceramics[80], Sr3Sn2O7 ceramics[84], Sr3Zr2O7 ceramics[86], Li2CaTa2O7 ceramics[26], and Li2SrNb2O7 ceramics[130]) (a) Tolerance factor; (b) Curie temperature; (c) Remnant polarization; (d) Coercive field