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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Watanabe, A. Nakamura, S. Okumura, T. |
| Copyright Year | 2012 |
| Description | Author affiliation: Department of Electrical and Electronic Engineering, Tokyo Metropolitan University, 1-1 Minami-ohsawa, Hachioji, Tokyo 192-0357, Japan (Watanabe, A.; Nakamura, S.; Okumura, T.) |
| Abstract | We have demonstrated the selective hydrogen gas detection of Pd/AlGaN/GaN high electron mobility transistors-based hydrogen sensors by the temperature sweep operation. The sensitivity-temperature spectra of the Pd/AlGaN/GaN HEMT hydrogen sensors in the range of 30°C to 350°C were measured in hydrogen, methane and propane with various concentrations of diluted with nitrogen. It is found that the different gases have the characteristic sensitivity-temperature spectra with the different peak positions, which is due to the decomposition temperature of each gas. The maximum sensitivities to hydrogen and propane are obtained at about 230°C and 310°C, respectively. The temperature sweep detection is very useful technique for the selective gas detection for the Pd/AlGaN/GaN HEMT-based gas sensors. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 791175 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457717666 |
| ISSN | 19300395 |
| e-ISBN | 9781457717673 |
| e-ISBN | 9781457717659 |
| DOI | 10.1109/ICSENS.2012.6411311 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-10-28 |
| Publisher Place | Taiwan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Hydrogen Temperature sensors Gallium nitride Aluminum gallium nitride Gas detectors Sensor phenomena and characterization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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