Research Progress of Acoustic Energy Harvesters Based on Nanogenerators

Y Huang, T Du, C Xiang, Y Zhang, J Si… - … Journal of Energy …, 2023 - Wiley Online Library
In the wake of the rapid development of the Internet of Things (IoT) and artificial intelligence
(AI) technology, a huge amount of wireless sensing nodes (WSNs) is urgently in demand in …

Multi-frequency MEMS acoustic emission sensor

TM Khan, R Taha, T Zhang, D Ozevin - Sensors and Actuators A: Physical, 2023 - Elsevier
In this paper, a multi-frequency MEMS acoustic emission (AE) sensor is designed,
characterized, and tested. The sensor includes sixteen individual resonators tuned in the …

[HTML][HTML] Piezoelectric Micromachined Microphone with High Acoustic Overload Point and with Electrically Controlled Sensitivity

L Rufer, J Esteves, D Ekeom, S Basrour - Micromachines, 2024 - mdpi.com
Currently, the most advanced micromachined microphones on the market are based on a
capacitive coupling principle. Capacitive micro-electromechanical-system-based (MEMS) …

Cell alignment in aqueous solution employing a flexural plate wave piezoelectric MEMS transducer

A Nastro, M Baù, M Ferrari, L Rufer, S Basrour… - IEEE …, 2023 - ieeexplore.ieee.org
The possibility to steer floating cells dispersed in water by means of flexural plate waves
(FPWs) generated by a 9 mm mm piezoelectric MEMS transducer has been explored. The …

Effect of sub‐coercive degradation on the local piezoelectric properties in lead zirconate titanate ceramics

H Qiao, JL Jones, N Balke - Journal of the American Ceramic …, 2025 - Wiley Online Library
Lead zirconate titanate (PZT) is a widely recognized piezoelectric ceramic exhibiting
excellent dielectric and ferroelectric properties over a wide range of temperature and …

Enhancing the performance of piezoelectric micromachined ultrasonic transducers using C slots

S Mansouri, BA Ganji - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
This article aims to improve the performance of piezoelectric micromachined ultrasonic
transducers (PMUTs) in the transmission and reception phase including sensitivity, quality …

[HTML][HTML] Editorial for the Special Issue on Micromachined Acoustic Transducers for Audio-Frequency Range

L Rufer, S Shubham, H Wang, T Miller, P Honzík… - Micromachines, 2025 - mdpi.com
Microelectromechanical systems (MEMS) refer to miniaturized mechanical and
electromechanical elements that are fabricated through microelectronic processes. The …

Piezoelectric MEMS Flexural-Plate-Wave Transducer for Alignment of Microparticles in a Drying Droplet

A Nastro, M Baù, M Ferrari, L Rufer… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The possibility of obtaining aligned clusters of microparticles in a drying water droplet by
employing standing flexural plate waves (FPWs) generated by a piezoelectric MEMS …

Simulation and Experimental Validation of a Flexural Plate Wave Piezoelectric MEMS Transducer

S Bertelli, A Nastro, M Ferrari, M Baù… - 2024 IEEE Sensors …, 2024 - ieeexplore.ieee.org
The analysis and experimental validation of the frequency response of the electrical
conductance of a piezoelectric micro electro-mechanical systems (MEMS) Flexural Plate …

Flexural Plate Wave Piezoelectric MEMS Pressure Sensor

A Nastro, S Bertelli, M Ferrari, L Rufer, S Basrour… - Proceedings, 2024 - mdpi.com
A piezoelectric MEMS pressure sensor that exploits the first antisymmetric vibration mode
(A0) of Lamb waves is presented. The 6 mm× 6 mm diaphragm used to sense the applied …