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 actuation<? pag\break?> for integrated photonics

H Tian, J Liu, A Attanasio, A Siddharth… - Advances in Optics …, 2024 - opg.optica.org
Recent decades have seen significant advancements in integrated photonics, driven by
improvements in nanofabrication technology. This field has been developed from integrated …

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 …

Design and applications of integrated transducers in commercial CMOS technology

U Rawat, JD Anderson, D Weinstein - Frontiers in Mechanical …, 2022 - frontiersin.org
Monolithic integration of Microelectromechanical Systems (MEMS) directly within CMOS
technology offers enhanced functionality for integrated circuits (IC) and the potential …

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 …

Capillary effect-based selective sealing strategy for increasing piezoelectric MEMS speaker performance

Y Wang, T Lv, J Zhang, H Yu - Microsystems & Nanoengineering, 2024 - nature.com
To address the serious acoustic performance deterioration induced by air leakage in the low-
frequency range and the asynchronous vibration in electroacoustic transduction structures …

A high-performance 9.5% scandium-doped aluminum nitride piezoelectric MEMS hydrophone with honeycomb structure

L Jia, L Shi, Z Lu, C Sun, G Wu - IEEE Electron Device Letters, 2021 - ieeexplore.ieee.org
This letter presents a high-performance scandium-doped aluminum nitride (Sc x Al 1-x N, x=
9.5%) piezoelectric MEMS hydrophone. The doping of Sc increases the piezoelectric …

A transceiver integrated piezoelectric micromachined ultrasound transducer array for underwater imaging

Y Yao, L Jia, C Liu, X Wang, C Sun, S Liu… - Sensors and Actuators A …, 2023 - Elsevier
In this article, a scandium-doped aluminum nitride (Sc 0.2 Al 0.8 N) piezoelectric
micromachined ultrasound transducer (PMUT) array for underwater imaging is presented …

A ScAlN-based piezoelectric MEMS microphone with sector-connected cantilevers

B Hu, W Liu, C Yang, L Lu, Z Wang… - Journal of …, 2023 - ieeexplore.ieee.org
With increasing requirements for massive sound acquisition, piezoelectric MEMS
microphones (PMMs) have attracted widespread attention due to the advantages of low …

Design and characterization of a high performance transceiver integrated PMUTs array for breast cancer imaging

L Jia, Y Liang, G Zhang, R Wang, C He, Y Yang, J Cui… - Measurement, 2024 - Elsevier
This paper introduces an innovative transceiver integrated with high-performance
piezoelectric micromachined ultrasonic transducers (PMUTs) array, specifically designed for …