CMOS-integrated aluminum nitride MEMS: A review

RMR Pinto, V Gund, RA Dias… - Journal of …, 2022‏ - ieeexplore.ieee.org
Aluminum nitride (AlN) has gained wide interest owing to its high values of elastic modulus,
band gap, dielectric strength, resistivity, thermal conductivity and acoustic velocities …

AlN piezoelectric thin films for energy harvesting and acoustic devices

C Fei, X Liu, B Zhu, D Li, X Yang, Y Yang, Q Zhou - Nano Energy, 2018‏ - Elsevier
Aluminum nitride (AlN) thin films are widely investigated due to their unique physical
properties and applications in energy harvesting devices, ultrasonic transducers …

[HTML][HTML] Piezoelectric aluminum nitride thin-films: A review of wet and dry etching techniques

RMR Pinto, V Gund, C Calaza, KK Nagaraja… - Microelectronic …, 2022‏ - Elsevier
Aluminum nitride (AlN) is a technologically relevant material that can be deposited at low
temperatures in the form of thin-films while preserving most of its physical properties …

Dawn of nitride ferroelectric semiconductors: from materials to devices

P Wang, D Wang, S Mondal, M Hu… - Semiconductor Science …, 2023‏ - iopscience.iop.org
III-nitride semiconductors are promising optoelectronic and electronic materials and have
been extensively investigated in the past decades. New functionalities, such as …

Design, fabrication, and characterization of scandium aluminum nitride-based piezoelectric micromachined ultrasonic transducers

Q Wang, Y Lu, S Mishin, Y Oshmyansky… - Journal of …, 2017‏ - ieeexplore.ieee.org
This paper presents the design, fabrication, and characterization of piezoelectric
micromachined ultrasound transducers (PMUTs) based on scandium aluminum nitride (Sc x …

Review on innovative piezoelectric materials for mechanical energy harvesting

G Clementi, F Cottone, A Di Michele, L Gammaitoni… - Energies, 2022‏ - mdpi.com
The huge number of electronic devices called the Internet of Things requires miniaturized,
autonomous and ecologically sustainable power sources. A viable way to power these …

N-polar ScAlN and HEMTs grown by molecular beam epitaxy

P Wang, D Wang, B Wang, S Mohanty, S Diez… - Applied Physics …, 2021‏ - pubs.aip.org
Molecular beam epitaxy of single-phase wurtzite N-polar Sc x Al 1− x N (x∼ 0.11–0.38) has
been demonstrated on sapphire substrates by locking its lattice-polarity to the underlying N …

Quaternary alloy ScAlGaN: A promising strategy to improve the quality of ScAlN

P Wang, D Wang, Y Bi, B Wang, J Schwartz… - Applied Physics …, 2022‏ - pubs.aip.org
ScAlN is an emerging ultrawide bandgap semiconductor for next-generation radio frequency
electronic devices. Here, we show that the material quality of ScAlN grown by molecular …

LiNbO3 films–A low-cost alternative lead-free piezoelectric material for vibrational energy harvesters

G Clementi, G Lombardi, S Margueron… - … Systems and Signal …, 2021‏ - Elsevier
Lead-free lithium niobate (LiNbO 3) piezoelectric transducer is considered as a substitute to
lead-based solutions for vibrational energy scavenging applications. Taking into account the …

Structural and piezoelectric properties of ultra-thin ScxAl1− xN films grown on GaN by molecular beam epitaxy

J Casamento, CS Chang, YT Shao, J Wright… - Applied Physics …, 2020‏ - pubs.aip.org
Sc x Al 1− x N (x= 0.18–0.40) thin films of∼ 28 nm thickness grown on metal polar GaN
substrates by molecular beam epitaxy are found to exhibit smooth morphology with less than …