由溶胶-凝胶法制备出锰酸盐La0.7Sr0.3MnO3粉料,经1300K热压并在1573K高温下烧结成块材,并与Pb(Zr,Ti)O3胶合形成弹性耦合双层膜.相较于涂敷膜(tape casting)复合样品,该双层膜显示出更为优良的ME耦合效应.横向耦合要比纵向耦合更为强烈,并当外加磁场为150 Oe时ME电压系数达到峰值.分析表明由磁场和频率变化导致的ME系数变化的实验值与理论值符合的很好.
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