Abstract
(Bi0.95La0.05)(Fe0.97Mn0.03)O3/NiFe2O4 double layered thin film was prepared on a Pt(111)/Ti/SiO2/Si(100) substrate by a chemical solution deposition method. X-ray diffraction and Raman scattering spectroscopy studies confirmed the formation of the distorted rhombohedral perovskite and the inverse spinel cubic structures for the (Bi0.95La0.05)(Fe0.97Mn0.03)O3/NiFe2O4 double layered thin film. The (Bi0.95La0.05)(Fe0.97Mn0.03)O3/NiFe2O4 double layered thin film exhibited well saturated ferromagnetic (2Mr of 18.1emu/cm3 and 2Hc of 0.32kOe at 20kOe) and ferroelectric (2Pr of 60μC/cm2 and 2Ec of 813kV/cm at 866kV/cm) hysteresis loops with low order of leakage current density (4.5×10−6A/cm2 at an applied electric field of 100kV/cm), which suggest the ferroelectric and ferromagnetic multi-layers applications in real devices.
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