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5 (a, b) (Ca,Sr)3Ti2O7单晶的a0a0c+和a−a−c0两个氧八面体倾转模式的示意图; (c, d) Ca2.46Sr0.54Ti2O7单晶的(c) (001)解理表面照片和(d)室温环形差分干涉衬度照片; (e) Ca3−xSrxTi2O7(x=0, 0.54, 0.85)单晶沿[ |
Fig. 5 (a, b) Schematic diagrams of two octahedral tilt modes of a0a0c+and a−a−c0 of (Ca,Sr)3Ti2O7 single crystal; (c) Photographic and (d) circular differential interference contrast image of a cleaved (001) surface of Ca2.46Sr0.54Ti2O7 single crystal; (e) Ferroelectric hysteresis loops of Ca3−xSrxTi2O7 (x=0, 0.54, 0.85) single crystal along [ |
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