Abstract

Clear negative resistance characteristics observed in a resonant tunneling transistor with a coupled-quantum-well (CQW) base are reported. The collector current reveals negative resistance properties with respect not only to the base-emitter voltage but also the base current in the common-emitter configuration. The collector current peak-to-valley ratio is enhanced in the CQW-base transistor compared with a reference transistor with a single-quantum-well (SQW) base.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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