Sensors based on “resonance phenomenon” span a broad spectrum of important current
applications including detection of biological and chemical agents, and measurements of …

Massive deployments of wireless sensor nodes (WSNs) that continuously detect physical,
biological or chemical parameters are needed to truly benefit from the unprecedented …

The performance of an AlN/sapphire surface acoustic wave (SAW) delay line device was
characterized in real time under irradiation inside a nuclear reactor. Both its resonant …

Surface acoustic waves (SAW) technology is very promising to achieve wireless sensors
able to operate in high temperature environments up to possibly 1000° C. However, there is …

Recent studies have evidenced that Pt/AlN/Sapphire surface acoustic wave (SAW) devices
are promising for high-temperature high-frequency applications. However, they cannot be …

The impact of device parameters, including AlN film thickness (h AlN), number of interdigital
transducers (N IDT), and acoustic propagation direction, on the performance of c-plane …

AlN based surface acoustic wave (SAW) filters with an acoustic wavelength (λ) of 8 µm have
been fabricated based on sputtered AlN films on sapphire. The acoustic velocity of 1-µm …

We have studied the impact of various device parameters including surface acoustic
wavelength (λ), interdigital transducers (IDT) finger apertures (L IDT), number of reflector …

Nitrides are the leading semiconductor material used for the fabrication of high electron
mobility transistors (HEMTs). They exhibit piezoelectric properties, which, coupled with their …

Aluminum nitride on sapphire is a promising substrate for SAW sensors operating at high
temperatures and high frequencies. To get a measure of the suitability and temperature …