Ferroelectric and dielectric properties of ferroelectromagnet Pb(Fe1/2Nb1/2)O3 ceramics and thin films
作者： X. S. Gao , X. Y. Chen , J. Yin , J. Wu , Z. G. Liu
关键词:
摘要: The ferroelectric and dielectric properties of ferroelectromagnet Pb(Fe1/2Nb1/2)O3 (PFN) ceramics thin films prepared by pulsed laser deposition (PLD) have been investigated systematically. PFN experienced a para-ferroelectric transition para-antiferromagnetic at 380 K 145 K, respectively. At room temperature, it has an electrical remnant polarization 11.5 μC/cm2 coercive field 4.04 kV/cm. behaviors show characteristics diffusive phase wide temperature range around K. Anomalies in the constant loss tangent observed near Neel indicating coupling between antiferromagnetic orders ceramics. exhibited electric 7.4 μC/cm2, 10.5 kV/cm, 486 frequency 10 kHz, their potential applications memory devices.
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