The past few decades have witnessed the ultra-fast development of wireless
telecommunication systems, such as mobile communication, global positioning, and data …

Nanotechnology is a cornerstone of the scientific advances witnessed over the past few
years. Nanotechnology applications are extensively broad, and an overview of the main …

Despite extensive research on ultraviolet (UV) sensors based on core–shell
heterostructures, most of them exhibit low sensitivities, slow response/recovery times, and …

A highly sensitive surface acoustic wave (SAW) ultraviolet-C (UV-C) sensor based on In 2 O
3/Ta 2 O 5 nano-heterojunctions and its interface electronics was developed to detect solar …

We present a novel surface acoustic wave (SAW)-based ultraviolet (UV) sensor with an
extremely fast response and recovery time of less than 1 s, achieving the best record in SAW …

Acoustic impedance enables many interesting acoustic applications. However, acoustic
impedance for gas sensing is rare and difficult. Here we introduce a micro-nano surface …

Excessive exposure to airborne particulate matter (PM), especially PM2. 5 particles,
adversely affects human health. Conventional PM2. 5 detection instruments based on light …

Portable sensor systems are usually based on microcontrollers and/or Field-Programmable
Gate Arrays (FPGAs) that are interfaced with sensors by means of an Analog-to-Digital …

Abstract Bulk Acoustic Wave (BAW) resonators based on piezoelectric semiconductors are
radio frequency devices that can convert X-ray dose rate into resonant frequency offset …

In this paper, a new method for nondestructive testing of SiO 2 film thickness using a
portable one-port surface acoustic wave (SAW) resonator based on lithium niobate (LiNbO …