期刊
INORGANIC MATERIALS
卷 48, 期 1, 页码 87-92出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0020168512010104
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This paper examines the influence of powder surface area on the magnetoelectric properties of a ferrite + piezoelectric composite. The use of fine powders with a specific surface area in the range 3.1-7.6 m(2)/g improves the magnetoelectric parameters of bulk composites by 17 to 44% in comparison with a coarse powder with a specific surface area of 0.8 m(2)/g. This is due to the formation of a more homogeneous composite material, improvement of its dielectric properties, increase in contact area between phases, reduction in internal demagnetizing factor, and increase in the density of the material.
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