A review of the recent applications of aluminum nitride-based piezoelectric devices

ST Haider, MA Shah, DG Lee, S Hur - Ieee Access, 2023 - ieeexplore.ieee.org
Piezoelectric materials have attracted considerable attention over the last two decades
because many technologies utilize their core properties of piezoelectric materials. Previous …

Piezoelectric micromachined ultrasonic transducers (PMUTs): performance metrics, advancements, and applications

Y Birjis, S Swaminathan, H Nazemi, GCA Raj… - Sensors, 2022 - mdpi.com
With the development of technology, systems gravitate towards increasing in their
complexity, miniaturization, and level of automation. Amongst these systems, ultrasonic …

A miniaturized transit-time ultrasonic flowmeter based on ScAlN piezoelectric micromachined ultrasonic transducers for small-diameter applications

Y Gao, M Chen, Z Wu, L Yao, Z Tong, S Zhang… - Microsystems & …, 2023 - nature.com
Transit-time ultrasonic flowmeters (TTUFs) are among the most widely used devices for flow
measurements. However, traditional TTUFs are usually based on a bulk piezoelectric …

Single-cell system using monolithic PMUTs-on-CMOS to monitor fluid hydrodynamic properties

E Ledesma, I Zamora, J Yanez, A Uranga… - Microsystems & …, 2022 - nature.com
In this work, a single cell capable of monitoring fluid density, viscosity, sound velocity, and
compressibility with a compact and small design is presented. The fluid measurement …

Phased array based on AlScN Piezoelectric Micromachined Ultrasound Transducers monolithically integrated on CMOS

I Zamora, E Ledesma, A Uranga… - IEEE Electron Device …, 2022 - ieeexplore.ieee.org
In this work we present an array of piezoelectric micromachined ultrasound transducer
(PMUT's) based on AlScN piezoelectric layer, monolithically integrated on top of a 130 nm …

[HTML][HTML] Ceramics for microelectromechanical systems applications: A review

EF Nia, A Kouki - Micromachines, 2024 - pmc.ncbi.nlm.nih.gov
A comprehensive review of the application of different ceramics for MEMS devices is
presented. Main ceramics materials used for MEMS systems and devices including alumina …

Mass-loaded suspended piezoelectric micromachined ultrasonic transducer array towards flexible stretchable electronics evaluation

X Xu, Y Ma, Y Gong, H Li, Z Wang, P Niu… - Sensors and Actuators A …, 2025 - Elsevier
We introduce a novel piezoelectric micromachined ultrasonic transducer (PMUT) with a
mass-loaded suspended (MLSP) design, fabricated using sacrificial technique to advance …

A Miniaturized Sensing System for Liquid Level and Concentration Based on Piezoelectric Micromachined Ultrasonic Transducers

L Zhang, Y Gao, Z Tong, Q Ping, L Qiu, L Lou - Sensors and Actuators A …, 2024 - Elsevier
This paper presents a system utilizing scandium-doped aluminum nitride (ScAlN)
piezoelectric micromachined ultrasonic transducers (PMUTs) for simultaneous detection of …

[HTML][HTML] Design and Fabrication of High-Performance Piezoelectric Micromachined Ultrasonic Transducers Based on Aluminum Nitride Thin Films

L Zhang, K Yan, L Ye, X Luo, J He, X Chou - Micromachines, 2024 - mdpi.com
Ultrasound is widely applied in diverse domains, such as medical imaging, non-destructive
evaluation, and acoustic communication. Piezoelectric micromachined ultrasonic …

A Novel Nondestructive Testing Probe Using AlN-Based Piezoelectric Micromachined Ultrasonic Transducers (PMUTs)

J Yin, Z Zhou, L Lou - Micromachines, 2024 - mdpi.com
Ultrasonic nondestructive testing (NDT) usually utilizes conventional bulk piezoelectric
transducers as transceivers. However, the complicated preparation and assembly process of …