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A lateral three-terminal Resonant Interband Tunneling Field Effect Transistor (RITFET) has been fabricated. It consists of a resonant interband tunnel diode (RITD) built using the GaSb-AlSb-InAs material system and a pseudomorphic InGaAs channel FET in which the current is controlled by a Schottky gate. The three terminal device has current-voltage characteristics that exhibit negative differential conductance with a peak-to-valley current ratio of 8 at room temperature.
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Tehrani et al. (1995) studied this question.
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