6MeV Xe23+辐照LiNbO3晶体的电弹性稳定性

2019 14th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2019-11-01 DOI:10.1109/SPAWDA48812.2019.9019251

Shi-wei Tian, Feifei Chen, Chao Jiang, Fang-lin Li, Guangda Wu, Mengdi Fan, F. Yu, Zhengping Wang, Xian Zhao

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引用次数: 0

摘要

三角铌酸锂晶体(LiNbO3, LN)是一种多功能材料，具有优异的热释电和压电性能以及非线性光学性能等。本文评价了6MeV Xe23+离子辐照LN晶体电弹性性能的稳定性，并对其在恶劣环境下的压电应用前景进行了展望。随着辐照剂量的增加，LN的电阻率降低。LN样品的相对介电常数ε22/ε0随辐照剂量的增加而增大。测定了辐照样品的机电耦合系数k21、弹性柔度s11和压电系数d21的值，发现辐照后的LN晶体保持了与原始晶体相似的电弹性特性。

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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The Electro-Elastic Stability of LiNbO3 Crystal Irradiated By 6MeV Xe23+

The trigonal lithium niobate crystal (LiNbO3, LN) is a multi-functional material, which possesses excellent pyroelectric and piezoelectric properties as well as the nonlinear optical properties etc. In this paper, the stability of electro-elastic properties of LN crystal irradiated by the 6MeV Xe23+ ions were evaluated for potential piezoelectric applications in harsh environment. the electrical resistivity of the irradiated LN was found to decrease with increasing irradiation dose. In contrast to the electrical resistivity, the relative dielectric permittivity ε22/ε0 of LN sample was found to increase with increasing irradiation dose. The values of electromechanical coupling factor k21, the elastic compliance s11 and the piezoelectric coefficient d21 for the irradiated samples were determined and found that the irradiated LN crystal could maintain its electro-elastic properties similar to the pristine crystal.

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2019 14th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA)

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