Study on superstructure in ion co-doped BiFeO<sub>3</sub> by using transmission electron microscopy<xref ref-type="fn" rid="cpb142339fn1">*</xref>

Study on superstructure in ion co-doped BiFeO₃ by using transmission electron microscopy*

Pu Shi-Zhou^a),^b), Guo Chao^a),^b), Li Mei-Ya^a), Chen Zhen-Lian^c), Zou Hua-Min^a),^b)†

EDPs of superstructure associated with fluorite-type δ -Bi₂O₃ viewed down along (a) [010]_F, (b) [011]_F, and (c) [111]_F direction. The subscript F indicates that the zone axis is indexed according to the fluorite structure.