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2008 Second Asia International Conference on Modelling & Simulation
The Sensing Performance of Undoped-AlGaN/GaN/Sapphire HEMT Hydrogen Gas Sensor
May 13-May 15
ISBN: 978-0-7695-3136-6
ASCII Text
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Mazuina Mohamad, Fong Yee Meng, Abdul Manaf Hashim, "The Sensing Performance of Undoped-AlGaN/GaN/Sapphire HEMT Hydrogen Gas Sensor," Asia International Conference on Modelling & Simulation, pp. 985-986, 2008 Second Asia International Conference on Modelling & Simulation, 2008.
 
 
BibTex
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@article{ 10.1109/AMS.2008.184,
author = {Mazuina Mohamad and Fong Yee Meng and Abdul Manaf Hashim},
title = {The Sensing Performance of Undoped-AlGaN/GaN/Sapphire HEMT Hydrogen Gas Sensor},
journal ={Asia International Conference on Modelling & Simulation},
volume = {0},
year = {2008},
isbn = {978-0-7695-3136-6},
pages = {985-986},
doi = {http://doi.ieeecomputersociety.org/10.1109/AMS.2008.184},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
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TY - CONF
JO - Asia International Conference on Modelling & Simulation
TI - The Sensing Performance of Undoped-AlGaN/GaN/Sapphire HEMT Hydrogen Gas Sensor
SN - 978-0-7695-3136-6
SP985
EP986
A1 - Mazuina Mohamad,
A1 - Fong Yee Meng,
A1 - Abdul Manaf Hashim,
PY - 2008
KW - wide bandgap
KW - sensor
KW - catalytic metal
VL - 0
JA - Asia International Conference on Modelling & Simulation
ER -
 
The hydrogen sensing characteristics of undoped-AlGaN/GaN/sapphire circular Schottky diodes are systematically studied and compared over wide hydrogen concentration and temperature ranges. High purity hydrogen gas was exposed to the sample together with the ambient gas of either air or pure nitrogen or without ambient gas (vacuum) at pressure in the range of 50 Torr to 200 Torr was used for both types of ambient gases. The sensing characteristics at different hydrogen concentration are investigated. The sensitivity to hydrogen gas was also investigated in dependence of various catalytic metals thickness and operating temperatures.
Index Terms:
wide bandgap, sensor, catalytic metal
Citation:
Mazuina Mohamad, Fong Yee Meng, Abdul Manaf Hashim, "The Sensing Performance of Undoped-AlGaN/GaN/Sapphire HEMT Hydrogen Gas Sensor," ams, pp.985-986, 2008 Second Asia International Conference on Modelling & Simulation, 2008
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