Effects of various functionalisation layers on ammonia gas sensing using AlGaN/GaN high electron mobility transistors

A Ranjan, M Agrawal… - International …, 2020 - inderscienceonline.com
Low concentration (< 50 ppm) sensing of NH3 over a wide temperature range of 30-275° C
using AlGaN/GaN high electron mobility transistor (HEMT) based gas sensors with Pt, Pd …

Studies on GaN HEMT based gas sensors for low concentrations of NO2 and NH3

A Ranjan - 2019 - dr.ntu.edu.sg
In recent decades, the demand for gas sensors has increased rapidly because of their large-
scale use in medical instruments, automobiles and laboratories. For example, nitrogen …