期刊
APPLIED PHYSICS LETTERS
卷 94, 期 11, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3095600
关键词
barium compounds; magnetoelectric effects; magnetostriction; nanocomposites; nickel compounds; piezoelectricity
The magnetoelectric (100-x)BaTiO3-(x)NiFe1.98O4 (x=20, 40, 60, and 80 wt %) particulate composites have been prepared and the effects of size and interface are studied through microscopy measurements. Large magnetoelectric voltage coefficient (alpha(E)) values accompanied by large piezoelastic coefficient, large magnetostrictive strain coefficient, and an adequate interface contact between the magnetic and electric phases were observed in these nanocomposites. The nanocomposite with x=40 has an alpha(E) value of 252 mV cm(-1) Oe(-1), which is the largest value for any particulate magnetoelectric composite, based on the available open literature.
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