Investigation of resonant and energy harvesting characteristics of piezoelectric fiber composite bimorphs

Lin, Yu‐Chih; Tseng, Kuo-Shun; Ma, Chien‐Ching

doi:10.1016/j.matdes.2020.109267

Cited by 13 publications

(2 citation statements)

References 23 publications

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“…In contrast, when the excitation frequency approaches its substrate resonance frequency, the vibration amplitude of the substrate is significantly increased. 50 The input acoustic energy is much greater and leads to an increase in the velocity gradient of the fluid. Thus, the rapidly increased Saffman force drags the trimer away from the centre to carry out a circular motion with the highest rotation radius.…”

Section: Effects Of Excitation Signals and Dynamic Viscositiesmentioning

confidence: 99%

Programmable motion control and trajectory manipulation of microparticles through tri-directional symmetrical acoustic tweezers

et al. 2022

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Section: Effects Of Excitation Signals and Dynamic Viscositiesmentioning

confidence: 99%

Programmable motion control and trajectory manipulation of microparticles through tri-directional symmetrical acoustic tweezers

et al. 2022

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“…Berlincourt method involves attaching a piezoelectric sample to a fixture and subjecting it to a mechanical force [13]. Resonance method within which a piezoelectric sample is clamped at its edges and driven into resonance using an ac voltage source [14]. Differential capacitance method involves measuring the change in capacitance of a piezoelectric sample as it is subjected to mechanical stress [15].…”

Section: Introductionmentioning

confidence: 99%

A Strain-Based Methodology for the Estimation of Piezoelectric Coefficients

Ahmad

2024

IEEE Access

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Characterizing piezoelectric coefficients d33 and d31 is crucial in diverse applications. Here, an extensive analysis of the correlation between d33 and d31 in piezoelectric materials, employing strain relationships is presented. Utilizing the fundamental principles of stress and volume conservation, in conjunction with a capacitance voltage profile, d33 is extracted in terms of measured capacitance and the applied bias. This methodology promises advancements in piezoelectric material understanding and engineering across various technological applications. The experimental framework utilized PZT thin film piezoelectric materials of 300 nm thickness with predetermined d33 value of 200 pm/Volts, where measurements were carried out to monitor changes in capacitance under varying poling conditions. This method effectively led to the determination of the d33 coefficient, which was approximately measured at 208 pm/Volt. This approach offers a rapid and efficient method for estimating piezoelectric coefficients, promising advancements in the characterization and application of piezoelectric materials.INDEX TERMS Characterizations, electrical capacitance, piezoelectric coefficient, PZT, strain.

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Circuits and devices for standalone large-scale integration (LSI) chips and Internet of Things (IoT) applications: a review

Sugiura

Yamamura

Watanabe

et al. 2023

Chip

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Investigation of resonant and energy harvesting characteristics of piezoelectric fiber composite bimorphs

Cited by 13 publications

References 23 publications

Programmable motion control and trajectory manipulation of microparticles through tri-directional symmetrical acoustic tweezers

Programmable motion control and trajectory manipulation of microparticles through tri-directional symmetrical acoustic tweezers

A Strain-Based Methodology for the Estimation of Piezoelectric Coefficients

Circuits and devices for standalone large-scale integration (LSI) chips and Internet of Things (IoT) applications: a review

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