Advances in sensing mechanisms and micro/nanostructured sensing layers for surface acoustic wave-based gas sensors

X Li, W Sun, W Fu, H Lv, X Zu, Y Guo… - Journal of Materials …, 2023 - pubs.rsc.org
Surface acoustic wave (SAW) technology has been extensively used in communications and
sensing applications. For SAW based gas sensing applications, the sensitive material or …

Recent improvements on surface acoustic wave sensors based on graphenic nanomaterials

BS Damasceno, IM Horta, RS de Oliveira… - Materials Science in …, 2023 - Elsevier
Surface acoustic wave (SAW) sensors enhanced by a graphenic sensitive layer offer
improved electrical response uniformity, and recent research has explored their potential for …

Novel multilayer SAW temperature sensor for ultra-high temperature environments

X Zhou, Q Tan, X Liang, B Lin, T Guo, Y Gan - Micromachines, 2021 - mdpi.com
Performing high-temperature measurements on the rotating parts of aero-engine systems
requires wireless passive sensors. Surface acoustic wave (SAW) sensors can measure high …

Surface acoustic wave devices for harsh environment wireless sensing

DW Greve, TL Chin, P Zheng, P Ohodnicki, J Baltrus… - Sensors, 2013 - mdpi.com
Langasite surface acoustic wave devices can be used to implement harsh-environment
wireless sensing of gas concentration and temperature. This paper reviews prior work on the …

Investigations on AlN/sapphire piezoelectric bilayer structure for high-temperature SAW applications

T Aubert, O Elmazria, B Assouar… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
This paper explores the possibility of using AlN/sapphire piezoelectric bilayer structures for
high-temperature SAW applications. To determine the temperature stability of AlN …

In situ high-temperature characterization of AlN-based surface acoustic wave devices

T Aubert, J Bardong, O Legrani, O Elmazria… - Journal of Applied …, 2013 - pubs.aip.org
We report on in situ electrical measurements of surface acoustic wave delay lines based on
AlN/sapphire structure and iridium interdigital transducers between 20 C and 1050 C under …

Microhotplates based on Pt and Pt-Rh films: The impact of composition, structure, and thermal treatment on functional properties

IA Kalinin, IV Roslyakov, DM Tsymbarenko… - Sensors and Actuators A …, 2021 - Elsevier
Recent progress in portable semiconductor and thermocatalytic gas sensors requires the
development of the microhotplates with reduced power consumption, increased shock …

Test and analysis of SAW high temperature strain sensor based on langasite

X Yan, Q Tan, X Li, T Xue, M Li - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
In this study, we fabricate a surface acoustic wave strain sensor based on langasite. By
constructing a temperature-strain composite testing platform, we examine this sensor for the …

A dual resonance frequency-selective surface temperature sensor with linear frequency–temperature behavior

Z Sun, B Peng, F Huang, Y Yang, J Zhu… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Metamaterial temperature sensors are receiving increasing attention due to the wireless and
passive operation. Unfortunately, the frequency response of most metamaterial sensors to …

Innovative NiAl Electrodes for Long Term, Intermediate High Temperature SAW sensing applications using LiNbO3 substrates

J Maufay, B Paulmier, M Emo, U Youbi… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Wireless surface acoustic wave (SAW) reflective delay line (R-DL) technology is very
powerful to carry out remote measurements of various parameters under harsh …