Magnetoelectric effect in amorphous FeNiSiC ferromagnet-piezoelectric planar structuresстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The magnetoelectric (ME) effect is studied in composite two- and three-layer disk structures containing magnetostriction layers of an amorphous FeNiSiC ferromagnet and a lead zirconate titanate piezoelectric layer. Due to a high magnetostriction (similar to 33 x 10(-6)) and a low saturation field (similar to 200 Oe), an FeNiSiC layer has a high piezomagentic coefficient, which results in an effective ME coupling in low fields (similar to similar to 25 Oe). The ME effect is similar to 0.2 V cm(-1) Oe(-1) at a low frequency and increases to 11.9 and 13.2 V cm(-1) Oe(-1) when bending and in-plane mechanical vibrations are excited in a resonance manner in the structures at frequencies of similar to 8.2 and similar to 170.0 kHz, respectively. Structures containing amorphous FeNiSiC layers are promising for magnetic field transducers and electric energy generators and converters.