Surface acoustic wave devices for sensor applications

B Liu, X Chen, H Cai, MM Ali, X Tian… - Journal of …, 2016 - iopscience.iop.org
Surface acoustic wave (SAW) devices have been widely used in different fields and will
continue to be of great importance in the foreseeable future. These devices are compact …

Gallium nitride as an electromechanical material

M Rais-Zadeh, VJ Gokhale, A Ansari… - Journal of …, 2014 - ieeexplore.ieee.org
Gallium nitride (GaN) is a wide bandgap semiconductor material and is the most popular
material after silicon in the semiconductor industry. The prime movers behind this trend are …

Super-high-frequency SAW resonators on AlN/diamond

JG Rodriguez-Madrid, GF Iriarte… - IEEE Electron device …, 2012 - ieeexplore.ieee.org
This letter describes the procedure to manufacture high-performance surface acoustic wave
(SAW) resonators on AlN/diamond heterostructures working at frequencies beyond 10 GHz …

High-frequency surface acoustic wave devices based on ZnO/SiC layered structure

S Fu, W Wang, L Qian, Q Li, Z Lu, J Shen… - IEEE Electron …, 2018 - ieeexplore.ieee.org
In this letter, highly (0002) oriented ZnO piezoelectric films were deposited on high acoustic
velocity SiC substrates. Surface acoustic wave (SAW) devices on ZnO/SiC layered structure …

GaN/Si based single SAW resonator temperature sensor operating in the GHz frequency range

A Müller, G Konstantinidis, V Buiculescu… - Sensors and Actuators A …, 2014 - Elsevier
The paper presents the manufacturing and characterization of GaN based SAW (surface
acoustic wave) type temperature sensors. In contrast with most SAW sensor structures …

Sezawa propagation mode in GaN on Si surface acoustic wave type temperature sensor structures operating at GHz frequencies

A Müller, I Giangu, A Stavrinidis… - IEEE Electron …, 2015 - ieeexplore.ieee.org
This letter investigates the applicability of Sezawa propagation mode for various GaN/Si
surface acoustic wave (SAW) temperature sensor structures. First, different acoustic …

GaN membrane supported SAW pressure sensors with embedded temperature sensing capability

A Müller, G Konstantinidis, I Giangu… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
This paper presents the fabrication and characterization of a GHz operating surface acoustic
wave (SAW)-based pressure sensor on a 1.2-μm-thin GaN membrane. Two types of …

Optimization of AlN thin layers on diamond substrates for high frequency SAW resonators

JG Rodríguez-Madrid, GF Iriarte, D Araujo, MP Villar… - Materials Letters, 2012 - Elsevier
AlN/diamond heterostructures are very promising for high frequency surface acoustic wave
(SAW) resonators. In their design, the thickness of the piezoelectric film is one of the key …

The behavior of gold metallized AlN/Si-and AlN/glass-based SAW structures as temperature sensors

A Nicoloiu, GE Stan, C Nastase… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Thin AlN piezoelectric layers have been deposited on high resistivity Si and glass substrates
by reactive RF magnetron sputtering, in order to manufacture one-port gigahertz operating …

Investigation of temperature sensing capabilities of GaN/SiC and GaN/sapphire surface acoustic wave devices

G Boldeiu, GE Ponchak, A Nicoloiu, C Nastase… - IEEE …, 2021 - ieeexplore.ieee.org
This paper proposes high sensitivity temperature sensors based on single port surface
acoustic wave (SAW) devices with GHz resonance frequencies, developed on GaN/SiC and …