Sensor applications based on AlGaN/GaN heterostructures

KT Upadhyay, MK Chattopadhyay - Materials Science and Engineering: B, 2021 - Elsevier
Abstract Gallium Nitride (GaN) belongs to III-N family of compound semiconductors, which
albeit new, is well-established material system in the fields of high power, high temperature …

Recent progress on group III nitride nanostructure-based gas sensors

N Sharma, V Pandey, A Gupta, ST Tan… - Journal of Materials …, 2022 - pubs.rsc.org
Group III nitrides are attracting considerable attention as promising materials for a variety of
applications due to their wide bandgap, high electron mobility, high thermal stability, and …

Guided wave devices with selectively thinned piezoelectric layers

K Bhattacharjee - US Patent 10,530,329, 2020 - Google Patents
(57) ABSTRACT A micro-electrical-mechanical system (MEMS) guided wave device
includes a plurality of electrodes arranged below a piezoelectric layer (eg, either embedded …

Guided wave devices with embedded electrodes and non-embedded electrodes

K Bhattacharjee - US Patent 10,211,806, 2019 - Google Patents
(57) ABSTRACT A micro-electrical-mechanical system (MEMS) guided wave device
includes a plurality of electrodes arranged below a piezoelectric layer (eg, either embedded …

Prospective sensing applications of novel heteromaterial based dopingless nanowire-TFET at low operating voltage

N Kumar, A Raman - IEEE Transactions on Nanotechnology, 2020 - ieeexplore.ieee.org
Most of the sensors are based on different device architectures depending on the
application type. A novel dopingless (DL) vertical Nanowire (VNW)-TFET is proposed that is …

Optical and acoustic sensing using Fano-like resonances in dual phononic and photonic crystal plate

S Amoudache, R Moiseyenko, Y Pennec… - Journal of Applied …, 2016 - pubs.aip.org
We perform a theoretical study based on the transmissions of optical and acoustic waves
normally impinging to a periodic perforated silicon plate when the embedded medium is a …

High-resolution AlGaN/GaN HEMT-based electrochemical sensor for biomedical applications

N Sharma, S Mishra, K Singh… - … on Electron Devices, 2019 - ieeexplore.ieee.org
We have investigated the characteristics of pH and salinity sensor derived from the gated
AlGaN/GaN highelectron mobility transistor (HEMT) structures in phosphate buffer saline …

Phononic and photonic crystals for sensing applications

Y Pennec, Y Jin, B Djafari-Rouhani - Advances in Applied Mechanics, 2019 - Elsevier
Photonic and phononic crystals provide a novel and alternative platform for sensing material
properties with high sensitivity. The sensor aims to determine properties of the fluid such as …

Extended exposure of gallium nitride heterostructure devices to a simulated Venus environment

SR Eisner, HS Alpert, CA Chapin… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
Further development of harsh environment electronics capable of uncooled operation under
Venus surface atmospheric conditions (~ 460° C,~ 92 bar, corrosive) would enable future …

Analytical modeling and simulation of AlGaN/GaN MOS-HEMT for high sensitive pH sensor

P Pal, Y Pratap, M Gupta, S Kabra - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
This paper presents an analytical model of AlGaN/GaN MOS-HEMT based pH sensor for the
first time to determine pH of different electrolyte solutions. Gouy-chapman stern model has …