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- W2364089674 abstract "Depletion mode HEMT with refractory metal silicide WSi gate has been designed and fabricated. Epitaxial modulation doping materials were grown by a home-made MBE system. The gate length and width for low noise depletion devices were 1.2-1.5 μm and 2 × 160 μm respectively. The electron mobility of the fabricated devices is typically 6 080 cm2/V.s at 300K and 68 000 cm2/V.s at 77K. The sheet electron concentration ns is 9 × 10 11 cm-2. The source-drain contacts with AuGeNi/Au were fabricated using evaporating and lift-off technique. to further reduce the contact resistance, the wafer was alloyed at 520 ℃ for 3 min in the hydrogen (H2) gas. Schottky gate was formed using WSi. The transconductance of the depletion mode device is 110～130 mS/mm at room temperature. The devices can be applied in communication satellite at microwave frequency of 3. 83 GHz and radar receiver at 1. 5 GHz. Its noise figure is about 2～3 dB." @default.
- W2364089674 created "2016-06-24" @default.
- W2364089674 creator A5051186146 @default.
- W2364089674 date "1996-01-01" @default.
- W2364089674 modified "2023-09-24" @default.
- W2364089674 title "Depletion Mode HEMT with Refractory Metal Silicide WSi Gate" @default.
- W2364089674 hasPublicationYear "1996" @default.
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