, Volume 13, Issue 7, pp 1538-1548

A sintered magnetoelectric composite material BaTiO3-Ni(Co, Mn) Fe2O4

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Abstract

Magnetoelectric composite materials have been made by sintering a mixture of a piezoelectric and piezomagnetic phase. This paper deals with the preparation and some properties of the combination BaTiO3-Ni(Co, Mn)Fe2O4, and investigates the influence of the cooling rate after sintering, TiO2 additions, the mole ratio of both phases and the crystallite size of the grains of both phases on some physical properties of the composite material. The maximum value of the conversion factor (δE/δH)max found for this material up till now is about 80 mV cm−1 Oe−1.