软复合材料中的磁电效应

B. Rožič, S. Gyergyek, Z. Kutnjak, M. Jagodič, S. Kralj, M. Jagodič, Z. Jagličić, V. Tzitzios
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引用次数: 1

摘要

利用SQUID电纳计验证了铁电液晶(FLC)和磁性纳米颗粒(MNPs)混合制备的软复合材料中存在间接磁电。结果表明,MNPs的取向与FLC分子导向场直接耦合。这种耦合使得MNP的磁化强度和FLC的极化之间存在间接耦合的可能性。这证明了利用磁性纳米颗粒和铁电液晶的混合物来设计软磁电的可能性。
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Magnetoelectric effect in soft composite materials
By using the SQUID susceptometer the existence of an indirect magnetoelectricity in a soft composite material prepared as a mixture of a ferroelectric liquid crystal (FLC) and magnetic nanoparticles (MNPs) was verified. It is shown that the orientation of MNPs is directly coupled to the FLC molecular director field. Such coupling allows the possibility of indirect coupling between the MNP's magnetization and FLC's polarization. This demonstrates the possibility to engineer the soft magnetoelectrics from mixtures of magnetic nanoparticles and ferroelectric liquid crystals.
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