Abstract
Double-perovskite Bi2FeCrO6 (BFCO) thin film has been deposited on Pt/Ti/SiO2/Si (100) substrate by pulsed laser deposition method. X-ray diffraction reveals that the BFCO film was polycrystalline and high purity. The surface morphology in BFCO film exhibits the dense and uniform grain. Interestingly, compared with BiFeO3 film, the BFCO film shows a better ferroelectric properties. Moreover, a well-defined magnetic hysteresis of the BFCO film indicates a ferromagnetic property at room temperature. The ferroelectric domain structure of polycrystalline BFCO film was investigated by piezoresponse force microscopy. Furthermore, the domain structure of polycrystalline BFCO film under an applied electric field was simulated by a Monte Carlo method. Those results suggest that the multiferroic BFCO double-perovskite thin film may be a promising functional material for the future device application.
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