嗜形锆钛酸铅的结构演化

2018 IEEE International Conference on Electrical Engineering and Photonics (EExPolytech) Pub Date : 2018-10-01 DOI:10.1109/EEXPOLYTECH.2018.8564376

I. Bronwald, A. Filimonov, R. Burkovsky, D. Andronikova, S. Vakhrushev, Z. Ye, D. Chernyshov

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引用次数: 0

摘要

PbZr1-xTixO3 (PZT)是目前应用最广泛的铁电材料之一。对其结构的研究对于理解导致这种材料和类似材料的介电和压电系数非常大的机制具有重要意义。在本文中，我们描述了使用高分辨率x射线衍射技术在从室温到380°C的宽温度范围内研究x ~ 0.48压电PZT单晶结构演变的结果。我们跟踪了结构演变，分析了几个布拉格反射周围的二维强度图，并观察到显示铁弹性畴产生和发展的模式。

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Structural Evolution in Morphotropic Lead Zirconate Titanate

PbZr1-xTixO3 (PZT) is one of the most popular and widely used ferroelectric materials. The study of its structure has a significant importance in understanding the mechanisms leading to extraordinary large dielectric and piezoelectric coefficients in this and similar materials. In this paper we describe the results of the study of the structural evolution of piezoelectric PZT single-crystal with x ∼ 0.48 using high-resolution X-ray diffraction technique in a wide temperature range from room temperature to 380 °C. We traced the structure evolution analyzing 2-d intensity maps around several Bragg reflections and observed patterns showing ferroelastic domain creation and development.

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2018 IEEE International Conference on Electrical Engineering and Photonics (EExPolytech)

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