Improved magnetoelectric properties of piezoelectric–magnetostrictive nanocomposites synthesized using high-pressure compaction technique
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Magnetoelectric (ME) effect results in polarization of material with applied magnetic field and magnetic field induction with an applied electric field. ME composites with particulate structure show lower magnitude of ME coefficient as compared to that of laminate composites [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]. However, the advantages of particulate composites are simpler and cheaper synthesis technique, availability of wide range of compositions, scalability, and presence of both direct and converse ME effect. Thus, there has been continuous emphasis on enhancing the magnitude of particulate composites [11, 12]. In this letter, we report the properties of particulate composites synthesized using: (1) high-pressure compaction sintering technique and (2) conventional technique. The results clearly show that high-pressure sintering technique results in improved ME coefficient. We also study the effect of ratio of piezoelectric and magnetostrictive phase in the core-shell...
KeywordsNiFe2O4 Nickel Ferrite Benzyl Ether Cold Isostatic Pressure Iron Pentacarbonyl
The authors gratefully acknowledge the financial support from Army Research Office.
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