Polycrystalline BiFeO 3 and Bi 1− x Tb x FeO 3 (BTFO) ( x =0.05–0.16) thin films were deposited on indium tin oxide/glass substrates via a metal organic deposition method. The influence of Tb doping content on the structure and multiferroic properties was investigated. X‐ray diffraction results reveal that there may exist a structure transition around x =0.11 in the BTFO system. Well‐saturated and rectangular P–E hysteresis loops can be observed in all BTFO films. The BTFO x =0.11 film exhibits the maximum values of the remanent out‐of‐plane piezoelectric coefficient ( d 33 = 140 pm/V) and saturated magnetization ( M s =22.2 emu/cm 3 ).
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Chen et al. (2009) studied this question.
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