利用PLZT陶瓷的光驱动继电器

M. Inoue, T. Sada, K. Uchino
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引用次数: 5

摘要

本文研究了固体陶瓷(Pb,La)(Zr,Ti) o3(3/52/48)中的光致伸缩现象,该现象可以用体光伏效应和压电效应的叠加来解释。光致伸缩很大程度上取决于样品制备的历史、晶粒尺寸和剩余极化。利用PLZT(3/52/48)陶瓷,制作了一个光驱动继电器作为试验光致伸缩驱动器。该继电器由光机械双晶型致动器和快速动作开关组成。根据光致伸缩材料的特性和双晶片的形状分析了继电器的响应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photodriven Relay Using PLZT Ceramics
Photostriction, nlhich is explainable by the superposition of the bulk photovoltaic effect and piezoelectricity, has been investigated in solid solution ceramics (Pb,La)(Zr,Ti)O 3 (3/52/48). Photostriction is strongly dependent on the the history of sample preparation, grain size and remanent polarization. Using PLZT(3/52/48) ceramics, a photodriven relay has been fabricated as a trial photostrictive actuator. This relay consists of an optomechanical bimorph-type actuator and a snap action switch. The relay response has been analyzed on the basis of the photostrictive material characteristics and the shape of the bimorph.
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