Recent advances in wide bandgap semiconductor biological and gas sensors

SJ Pearton, F Ren, YL Wang, BH Chu, KH Chen… - Progress in Materials …, 2010 - Elsevier
There has been significant recent interest in the use of surface-functionalized thin film and
nanowire wide bandgap semiconductors, principally GaN, InN, ZnO and SiC, for sensing of …

Ionizing radiation damage effects on GaN devices

SJ Pearton, F Ren, E Patrick, ME Law… - ECS Journal of solid …, 2015 - iopscience.iop.org
Gallium Nitride based high electron mobility transistors (HEMTs) are attractive for use in high
power and high frequency applications, with higher breakdown voltages and two …

Radiation effects in GaN-based high electron mobility transistors

SJ Pearton, YS Hwang, F Ren - Jom, 2015 - Springer
GaN-based devices are more radiation hard than their Si and GaAs counterparts due to the
high bond strength in III-nitride materials. In this paper, we review data on the radiation …

Group III nitride and SiC based MEMS and NEMS: materials properties, technology and applications

V Cimalla, J Pezoldt, O Ambacher - Journal of Physics D: Applied …, 2007 - iopscience.iop.org
With the increasing requirements for microelectromechanical systems (MEMS) regarding
stability, miniaturization and integration, novel materials such as wide band gap …

Electrical detection of immobilized proteins with ungated AlGaN∕ GaN high-electron-mobility Transistors

BS Kang, F Ren, L Wang, C Lofton, WW Tan… - Applied Physics …, 2005 - pubs.aip.org
Ungated AlGaN∕ GaN high-electron-mobility transistor (HEMT) structures were
functionalized in the gate region with aminopropyl silane. This serves as a binding layer to …

Gallium nitride material devices including an electrode-defining layer and methods of forming the same

JW Johnson, RJ Therrien, A Vescan… - US Patent …, 2006 - Google Patents
Gallium nitride material devices and methods of forming the same are provided. The devices
include an electrode-defining layer. The electrode-defining layer typically has a via formed …

Enzymatic glucose detection using ZnO nanorods on the gate region of AlGaN∕ GaN high electron mobility transistors

BS Kang, HT Wang, F Ren, SJ Pearton… - Applied Physics …, 2007 - pubs.aip.org
ZnO nanorod-gated Al Ga N∕ Ga N high electron mobility transistors (HEMTs) are
demonstrated for the detection of glucose. A ZnO nanorod array was selectively grown on …

Prostate specific antigen detection using AlGaN∕ GaN high electron mobility transistors

BS Kang, HT Wang, TP Lele, Y Tseng, F Ren… - Applied physics …, 2007 - pubs.aip.org
Antibody-functionalized Au-gated Al Ga N∕ Ga N high electron mobility transistors (HEMTs)
were used to detect prostate specific antigen (PSA). The PSA antibody was anchored to the …

Piezoelectric GaN sensor structures

T Zimmermann, M Neuburger, P Benkart… - IEEE electron device …, 2006 - ieeexplore.ieee.org
Free-standing GaN and AlGaN/GaN cantilevers have been fabricated on (111) silicon
substrate using dry etching. On these cantilevers, a piezoresistor and a high-electron …

Fast electrical detection of Hg (II) ions with AlGaN∕ GaN high electron mobility transistors

HT Wang, BS Kang, TF Chancellor, TP Lele… - Applied Physics …, 2007 - pubs.aip.org
Bare Au gated and thioglycolic acid functionalized Au-gated Al Ga N∕ Ga N high electron
mobility transistors (HEMTs) were used to detect mercury (II) ions. Fast detection of less than …