Determination of optimal crystallographic orientations for LiNbO 3 and LiTaO 3 bimorph actuators

Buryy, Oleh; Syvorotka, Ihor I.; Suhak, Yuriy; Yakhnevych, Uliana; Sugak, Dmytro; Ubizskii, Sergii; Fritze, Holger

The actuators for precise positioning based on bimorph structures of piezoelectric LiNbOinline-formula3 and LiTaOinline-formula3 crystals are considered. The optimal orientations of the actuator plates ensuring the highest possible displacements are determined by the extreme surfaces technique and the finite-element method. The simulated displacements for optimal orientations of LiNbOinline-formula3 and LiTaOinline-formula3 plates are compared with those obtained experimentally for manufactured LiNbOinline-formula3 and LiTaOinline-formula3 actuators, whose orientations are not optimal. As is shown, the optimal configuration of the actuator allows us to significantly increase its displacement for both LiNbOinline-formula3 and LiTaOinline-formula3 specimens.

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Buryy, Oleh / Syvorotka, Ihor I. / Suhak, Yuriy / et al: Determination of optimal crystallographic orientations for LiNbO3 and LiTaO3 bimorph actuators. 2021. Copernicus Publications.

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Rechteinhaber: Oleh Buryy et al.

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