We proposed and demonstrated a novel bistable transistor−the quantum-switched heterojunction bistable bipolar transistor. The transistor has two current states. With increasing base-emitter voltage, the collector current is switched from high to low, while the base current is switched from low to high. Bistability is observed for a certain range of base voltage. This device has potential applications in implementing high-speed single bipolar transistor memories, gain quenching in light-emitting devices, and optoelectronic switching.
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Wu et al. (1990) studied this question.
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