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Room temperature multiferroic properties of (Bi0.95La0.05)(Fe0.97Mn0.03)O3/NiFe2O4 double layered thin film |
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| Affiliation: | 1. Crystal Growth and Thin Film Laboratory, Department of Physics, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620 024, India;2. Department of Bio-Medical Engineering, Aarupadai Veedu Institute of Technology, Vinayaga Mission''s Research Foundation, Vinayaga Nagar, Paiyanoor, Tamil Nadu, 603 104, India;1. Department of Materials Science and Engineering, Suzuka National College of Technology, Shiroko, Suzuka, Mie 510-0294, Japan;2. Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577, Japan |
| 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 (2 Mr of 18.1 emu/cm3 and 2Hc of 0.32 kOe at 20 kOe) and ferroelectric (2Pr of 60 μC/cm2 and 2Ec of 813 kV/cm at 866 kV/cm) hysteresis loops with low order of leakage current density (4.5 × 10−6 A/cm2 at an applied electric field of 100 kV/cm), which suggest the ferroelectric and ferromagnetic multi-layers applications in real devices. |
| Keywords: | A. Thin films A. Multi-layers D. Electrical properties D. Ferroelectricity D. Magnetic properties |
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