An in situ grown eutectic magnetoelectric composite material
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The phase diagram of the quinary system Fe-Co-Ti-Ba-O contains a region of compositions with the property that unidirectional solidification of liquids with these compositions results in an aligned two phase composite material. One of the phases is a piezomagnetic spinel and the other one a piezoelectric perovskite. The resulting composite is a magnetoelectric material, which can convert magnetic fields into electric fields and vice versa. This paper deals with the determination of the above-mentioned composition region and with the unidirectional solidification process. Some results of magnetoelectric measurements are reported.
KeywordsPolymer Magnetic Field Phase Diagram Composite Material Perovskite
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