Temperature dependent scaling behavior and evolution of domain dynamics in low temperature sintered PZN–PZT ceramics

IF 3.5 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of the American Ceramic Society Pub Date : 2025-01-07 DOI:10.1111/jace.20361

Anagha Baby, Sowmya N. Shara, Reshma N. S., Susanth S., Sunny E. K., Priyadarshini V., Karthik Thangavelu

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引用次数: 0

Abstract

A comprehensive investigation into the dynamic hysteresis behavior of the low temperature sintered 0.4PZN–0.6PZT ceramics across a wide range of electric field frequency, and temperature was carried out in the present study. Our findings from the electric field and frequency dependent scaling analysis at 303 K revealed distinct domain dynamics having three stages of polarization reversal mechanism with a breakdown frequency (f_b) of 5 Hz. Temperature dependent scaling analysis till 503 K showcased the influence of thermal energy especially in the stage-I and stage-II of the polarization reversal mechanism resulting in enhanced domain wall mobility with reduced switching time at a lower electric field. The power-law temperature scaling relations for hysteresis area 〈A〉, remanent polarization (P_r), and coercivity (E_C) took the form of A ∝ T ^0.1468, P_r ∝ T ^−0.5577, and E_C ∝ T ^−0.68272, respectively. The decay of the derived exponent values with temperature corresponding to 〈A〉, P_r, and E_C was minimal as compared to the other reported soft PZT and lead-free systems. This study provided information on the influence of temperature toward domain wall motion, domain nucleation, and domain switching, and it will be useful for designing devices that demand high reliability and thermal stability.

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本研究对低温烧结 0.4PZN-0.6PZT 陶瓷在宽电场频率和温度范围内的动态磁滞行为进行了全面调查。我们在 303 K 时进行的电场和频率相关缩放分析结果表明，在击穿频率 (fb) 为 5 Hz 时，极化反转机制分为三个阶段。直至 503 K 的温度相关缩放分析表明了热能的影响，尤其是在极化反转机制的第一阶段和第二阶段，这导致了在较低电场下畴壁迁移率的增强和开关时间的缩短。磁滞面积〈A〉、剩极化（Pr）和矫顽力（EC）的幂律温度缩放关系分别为A∝T 0.1468、Pr∝T -0.5577和EC∝T -0.68272。与其他已报道的软质 PZT 和无铅系统相比，推导出的〈A〉、Pr 和 EC 的指数值随温度的衰减很小。这项研究提供了有关温度对畴壁运动、畴成核和畴切换影响的信息，对设计要求高可靠性和热稳定性的器件很有帮助。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of the American Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

7.50

自引率

7.70%

发文量

590

审稿时长

2.1 months

期刊介绍： The Journal of the American Ceramic Society contains records of original research that provide insight into or describe the science of ceramic and glass materials and composites based on ceramics and glasses. These papers include reports on discovery, characterization, and analysis of new inorganic, non-metallic materials; synthesis methods; phase relationships; processing approaches; microstructure-property relationships; and functionalities. Of great interest are works that support understanding founded on fundamental principles using experimental, theoretical, or computational methods or combinations of those approaches. All the published papers must be of enduring value and relevant to the science of ceramics and glasses or composites based on those materials. Papers on fundamental ceramic and glass science are welcome including those in the following areas: Enabling materials for grand challenges[...] Materials design, selection, synthesis and processing methods[...] Characterization of compositions, structures, defects, and properties along with new methods [...] Mechanisms, Theory, Modeling, and Simulation[...] JACerS accepts submissions of full-length Articles reporting original research, in-depth Feature Articles, Reviews of the state-of-the-art with compelling analysis, and Rapid Communications which are short papers with sufficient novelty or impact to justify swift publication.