An n-channel MOSFET with Schottky source and drain
- 1 April 1984
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Electron Device Letters
- Vol. 5 (4) , 108-111
- https://doi.org/10.1109/EDL.1984.25850
Abstract
An n-channel MOSFET with Schottky source and drain (SBMOSFET) has been successfully fabricated using tantalum for the Schottky electrodes. For long gatelengths (100 µm), there are no significant differences in the characteristics of these SBMOSFET's compared to those of conventional MOSFET's. A significant current reduction is observed in SBMOSFET's having 10-µm gatelengths, however, due to the barrier between source and channel. In spite of the substantial barrier height (0.7 V) between tantalum and p-silicon, still larger barriers and a reduction in the isolation gap between source and channel are desirable for high-drive-high-speed device operation.Keywords
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