Determination of the piezoelectric coefficient in lead-free ceramics via Fizeau fiber optic interferometry

IF 3.1 3区物理与天体物理 Q2 Engineering

Optik Pub Date : 2025-01-25 DOI:10.1016/j.ijleo.2025.172236

Gustavo F. Arenas , Juan Daniel Madrigal , Mauro Difeo , Martin Lere , Nicolás Pérez , Javier E. Camargo , Miriam S. Castro , Federico J. Cavalieri , Leandro A. Ramajo

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引用次数: 0

Abstract

This study presents an interferometric methodology to determine the dynamic piezoelectric coefficient (

d_{33}^{*}

) of lead-free piezoelectric ceramics. Using a fiber optic Fizeau interferometer, we analyze the (K₀.₄₄Na₀.₅₂Li₀.₀₄)(Nb₀.₈₆Ta₀.₁₀Sb₀.₀₄)O₃ (KNL-NTS) composition, an eco-friendly alternative to traditional lead-based materials. The displacement of the ceramic samples under a varying electric field was measured, allowing the dynamic strain-time curve to be obtained and analyzed. This temporal displacement analysis reveals the material's real-time electromechanical response, providing insights into its behavior under dynamic excitation. The interferometric method demonstrates advantages such as non-invasive measurement, self-calibration, and accurate determination of

d_{33}^{*}

. The dynamic piezoelectric coefficient was measured to be around 840 pm/V, with results validated using the resonance frequency method.

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来源期刊

Optik 物理-光学

CiteScore

6.90

自引率

12.90%

发文量

1471

审稿时长

46 days

期刊介绍： Optik publishes articles on all subjects related to light and electron optics and offers a survey on the state of research and technical development within the following fields: Optics: -Optics design, geometrical and beam optics, wave optics- Optical and micro-optical components, diffractive optics, devices and systems- Photoelectric and optoelectronic devices- Optical properties of materials, nonlinear optics, wave propagation and transmission in homogeneous and inhomogeneous materials- Information optics, image formation and processing, holographic techniques, microscopes and spectrometer techniques, and image analysis- Optical testing and measuring techniques- Optical communication and computing- Physiological optics- As well as other related topics.