Open Access Journal

ISSN : 2456-1304 (Online)

International Journal of Engineering Research in Electronics and Communication Engineering(IJERECE)

Monthly Journal for Electronics and Communication Engineering

Open Access Journal

International Journal of Science Engineering and Management (IJSEM)

Monthly Journal for Science Engineering and Management

ISSN : 2456-1304 (Online)

BiFeO3 MnFe2O4 Nanocomposite with Multiferroic Properties

Author : Preethy Augustine 1 Y Narayana 2 Nandakumar Kalarickal 3

Date of Publication :30th December 2021

Abstract: The BiFeO3-MnFe2O4 nanocomposite was prepared by simple chemical method through sol-gel route. The X-ray powder diffractometer was employed to identify the purity of desired phases in the composites using monochromatic CuKα radiation. The phase analysis confirms the mixed crystalline perovskite-spinel phases having rhombohedral-cubic structure. The frequency dependent dielectric measurements at room temperature were carried out using LCR meter (Agilent E4980A). The dielectric behavior of the multiferroic composite exhibits strong frequency dependency, where permittivity and loss declines as the frequency increases. Marine India PE-01 loop tracer was utilized for recording ferroelectric strength of the material by external electric field in the range of 0-6kV/cm at frequency of 50Hz. The P-E loop evidenced the ferroelectric polarization in the composite. The magnetic properties on the sample at room temperature were studied by M-H measurements in the field range of ±15kOe. The saturation magnetization was increased with the constituent ferrite content in the composite system. The ME coupling studies were done using lock-in amplifier set- up (Marine India). The BiFeO3-MnFe2O4 nanocomposite shows improved magneto-electric (ME) response in the composite. This possible improvement in magnetic and magneto- electric response makes the composite suitable for sensors and spintronic devices application

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