Photonic crystal (PC) is an emerging optical microstructure material with adjustable
dielectric constant, which can vary with its space periodically. It has exhibited excellent …

Gas monitoring in mines and tunnels is the key to ensuring safe production. Nowadays,
optical fiber gas sensors depend on the advantages of nonelectrical signal transmission …

Fiber sensors possess characteristics such as compact structure, simplicity, electromagnetic
interference resistance, and reusability, making them widely applicable in various practical …

In this present study, junctionless vertical tunnel field-effect transistor (JL-VTFET) with
catalytic metals as gate contacts is proposed for gas sensing applications. The vertical …

In this work, a novel N+ SiGe delta-doped gate stacked junctionless vertical tunnel field
transistor (N+ SiGe gate staked JL-VTFET) is proposed and investigated with its electrical …

Optical approaches for NH 3 gas sensing are contemplated as a reliable alternative to the
conventional chemiresistive gas sensing techniques. Initially, we have briefly reviewed …

In our daily life, people are commonly exposed to trimethylamine (TMA) and suffered from a
variety of diseases. Therefore, we are desperately in need of the real-time monitoring of TMA …

Fabrication and characterization of fiber optic volatile organic compounds (VOCs) sensor
using pristine and copper (Cu) functionalized zinc oxide (ZnO) nanoflakes have been …

This paper presents an optical fiber hollow malposition structure (HMS) elaborated with
cellular-like N-CQDs/Mg x Zn1–x O for detecting ammonia (NH3) at room temperature. The …

This paper presents a fast high-linearity low-power versatile interface circuit for MOX gas
sensor. The device is based on a resistance-to-frequency converter with digital output …