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Electro-elastic features of Nd-doped YAl3(BO3)4 single crystal

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Abstract

Nd-doped YAl3(BO3)4 (NYAB) is a multifunctional crystal material with laser, nonlinear optical, and piezoelectric performances. In this study, the dielectric, elastic, and piezoelectric properties of an 11.8 mol% doped NYAB crystal were evaluated using impedance and ultrasonic pulse-echo methods. The NYAB crystal exhibited electro-elastic properties comparable to those of α-SiO2, GaPO4, and AlPO4 crystals. In addition, the structural distortions and dipole moment of the NYAB crystal were studied, where the AlO6 octahedron exhibited a relatively larger polarization and contributed to the piezoelectric properties of the NYAB crystal. Moreover, the temperature-dependent behaviors of the NYAB crystal were investigated. The NYAB crystal exhibited a high mechanical quality factor, Qm, (12 000 at 25 °C and 4400 at 450 °C), low dielectric loss (0.3% at 25 °C and 0.5% at 450 °C), and good temperature stability of electro-elastic properties (Ts111 = 6.9 ppm °C−1; Td141 = 1.7 ppm °C−1) in the temperature range of 25–450 °C.

Graphical abstract: Electro-elastic features of Nd-doped YAl3(BO3)4 single crystal

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Article information


Submitted
20 Jul 2020
Accepted
30 Sep 2020
First published
01 Oct 2020

CrystEngComm, 2020, Advance Article
Article type
Paper

Electro-elastic features of Nd-doped YAl3(BO3)4 single crystal

M. Fan, G. Wu, F. Chen, F. Yu, X. Cheng and X. Zhao, CrystEngComm, 2020, Advance Article , DOI: 10.1039/D0CE01046D

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