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首页> 外文期刊>Physica, B. Condensed Matter >Structural, magnetic and dielectric properties of xCrFe(2)O(4)-(1-x)BiFeO3 multiferroic nanocomposites
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Structural, magnetic and dielectric properties of xCrFe(2)O(4)-(1-x)BiFeO3 multiferroic nanocomposites

机译:xCrFe(2)O(4)-(1-x)BiFeO3多铁性纳米复合材料的结构,磁性和介电性能

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摘要

Spinel-perovskite nanocomposites of xCrFe(2)O(4)-(1-x)BiFeO3 with x=0.0, 0.1, 0.2, 0.3, 0.4 were prepared by sol gel method. The XRD showed the phase formation of nanocomposites at 700 degrees C. Particle size was observed to be similar to 100 nm by TEM. The variation of dielectric constant and dielectric loss with frequency showed dispersion in the low frequency range. Magnetization was found to increase with increasing concentration of ferrite content. Dielectric analysis showed the conducting behaviour at higher temperature. Magnetocapacitance was also observed in the prepared nanocomposites which may be the sign of magnetoelectric coupling in the synthesized nanocomposites at room temperature.
机译:通过溶胶凝胶法制备了xCrFe(2)O(4)-(1-x)BiFeO3的x = 0.0、0.1、0.2、0.3、0.4的尖晶石-钙钛矿纳米复合材料。 XRD显示在700℃下纳米复合物的相形成。通过TEM观察到粒度类似于100nm。介电常数和介电损耗随频率的变化显示出在低频范围内的分散。发现磁化强度随铁素体含量的增加而增加。介电分析表明在较高温度下的导电行为。在制备的纳米复合材料中还观察到磁电容,这可能是室温下合成的纳米复合材料中磁电耦合的迹象。

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