Due to the feature of domains, ferroelectric materials display hysteresis behavior with respect to the change of the applied electric field. Every ferroelectric material has its own unique hysteresis loop reflecting the information of domain reversal under an electric field. In this work, the scaling behaviors of dynamic hysteresis in relaxor (1−x)Pb(Mg_1/3Nb_2/3)O₂‐xPbTiO₃ (PMN‐PT) ceramics with different compositions were studied systemically. Our results showed that the evolution of scaling behavior in PMN‐PT ceramics can be divided into three stages, which is independent of the phase structure of the ceramics and the testing electric field frequency. The relationship between hysteresis area <A> and field amplitude E₀ obeys the power law <A>∝ in the low and high E₀ regions, where the reorientations of 180° and non‐180° domain are dominant, respectively. However, the dynamic hysteresis area <A> does not follow the power law in the intermediate E₀ regions, which is attributed to the interaction of different domain reversal mechanisms. Furthermore, the hysteresis area <A> decreases gradually with increasing frequency at a certain E₀ and the time‐dependent domain reversal process was also discussed.

中文翻译：

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趋同相边界附近PMN-PT弛豫铁电陶瓷动态磁滞的尺度行为

由于畴的特征，铁电材料相对于所施加的电场的变化表现出磁滞行为。每种铁电材料都有其自己独特的磁滞回线，反映了电场下磁畴反转的信息。在这项工作中，弛豫（1- x）Pb（Mg _1/3 Nb _2/3）O ₂ - x PbTiO ₃中动态磁滞的缩放行为对组成不同的（PMN-PT）陶瓷进行了系统的研究。我们的结果表明，PMN-PT陶瓷中氧化皮行为的演变可分为三个阶段，这与陶瓷的相结构和测试电场频率无关。磁滞面积<A>与场振幅E ₀之间的关系在低E ₀和高E ₀区域均服从幂定律<A> ∝ ，其中180°和非180°域的重新定向分别占主导地位。但是，动态磁滞区域<A>在中间E ₀中不遵循幂定律区域，这归因于不同域反转机制的相互作用。此外，在一定的E _0时，磁滞面积<A>随频率的增加而逐渐减小，并讨论了随时间变化的磁畴反转过程。