电场作用下弛豫铁电晶体的多尺度和时间分辨结构分析

IF 5.2 3区材料科学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Applied Crystallography Pub Date : 2024-10-29 DOI:10.1107/S1600576724009440

Shinobu Aoyagi

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引用次数: 0

摘要

铅基弛豫铁电体由于其非均相结构而表现出巨大的压电性能。本文综述了单晶x射线衍射在直流和交流电场下测量的平均结构和局部结构。位置相关的局部点阵应变以及极性纳米畴和纳米区域的分布表现出很强的电场依赖性，这有助于材料的巨大压电性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Multi-scale and time-resolved structure analysis of relaxor ferroelectric crystals under an electric field

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Multi-scale and time-resolved structure analysis of relaxor ferroelectric crystals under an electric field

Lead-based relaxor ferroelectrics exhibit giant piezoelectric properties owing to their heterogeneous structures. The average and local structures measured by single-crystal X-ray diffraction under DC and AC electric fields are reviewed in this article. The position-dependent local lattice strain and the distribution of polar nanodomains and nanoregions show strong electric field dependence, which contributes to the giant piezoelectric properties.

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来源期刊

Journal of Applied Crystallography CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

7.80

自引率

3.30%

发文量

178

期刊介绍： Many research topics in condensed matter research, materials science and the life sciences make use of crystallographic methods to study crystalline and non-crystalline matter with neutrons, X-rays and electrons. Articles published in the Journal of Applied Crystallography focus on these methods and their use in identifying structural and diffusion-controlled phase transformations, structure-property relationships, structural changes of defects, interfaces and surfaces, etc. Developments of instrumentation and crystallographic apparatus, theory and interpretation, numerical analysis and other related subjects are also covered. The journal is the primary place where crystallographic computer program information is published.