Investigation of Magneto-Electric Properties of Bczt-Nfo Particulate Composite
INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015)(2016)
摘要
:Synthesis and characterizations for ferroelectric, ferromagnetic properties of 50BCZT - 50NFO particulate composite have been investigated. Phase pure BCZT (tetragonal) and NFO (cubic inverse spinel) have been observed in powder XRD pattern of 50BCZT-50NFO composite. Average grain size of 12µm for BCZT and 4µm for NFO have been observed in the back scattered electron diffraction (BSE) image of the sintered sample. Hysteresis loop measurement reveals typical ferroelectric nature of the sample with remnant and saturation polarizations of 8.34µC/cm2 and 17.4µC/cm2, respectively. Furthermore, sintered BCZT-NFO sample also showed good ferromagnetic M-H hysteresis loop with saturation magnetization upto ~14.6emu/g. Magnetostriction measurements showed a value of ~ - 20ppm for pure NFO and ~ - 8ppm for the composite.
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关键词
Magnetoelectric
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