期刊
CERAMICS INTERNATIONAL
卷 45, 期 18, 页码 24453-24460出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.08.170
关键词
Composites; Multifunctional devices; Magnetoelectric coupling; Energy storage efficiency
资金
- Higher Education Commission (HEC) of Pakistan [NRPU-2471]
Increasing demand of multifunctional devices has attracted researchers and scientists toward materials having magnetoelectric coupling as they can provide an extra degree of freedom to device fabrication. In this regard, composites of antiferromagnetic perovskites and ferromagnetic spinets comprise a prospective recipe. Here, we report (1-x)BiFe0.9Mn0.1O3-xNiFe(2)O(4) (x = 0.00, 0.10, 0.20, 0.30, 0.40, and 0.50) nanocomposites prepared by a two-step route. Analysis of the data obtained from diffractometer confirmed the corresponding crystalline phases of Mn-doped BiFeO3 and NiFe2O4. Formation of nanoparticles was confirmed by field emission scanning electron microscope. Presence of stoichiometric amounts of all elements in composites was confirmed by energy dispersive X-ray spectroscopy. To understand the dielectric relaxation phenomenon, we examined dielectric spectra in a wide frequency range, something that helped us probe the nature of charge transition inside the samples. Increasing NiFe2O4 contents in composites improved the ferroelectric and magnetic response of the material with noticeable magneto-electric coupling, showing the potential of these composites for multifunctional device fabrication.
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