Evaluation of the temperature stability of AlGaN/GaN heterostructure FETs
- 1 September 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Electron Device Letters
- Vol. 20 (9), 448-450
- https://doi.org/10.1109/55.784448
Abstract
Temperature stress experiments up to 800/spl deg/C have been applied to AlGaN/GaN FET's grown by MOVPE on sapphire and their individual technological building blocks. It was found that the temperature limit is given by the irreversible degradation of the intrinsic active heterostructure material itself during operation above 600/spl deg/C. The irreversible degradation was observed for both unconnected and electrically operated devices during temperature stress.Keywords
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