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1. Resonant tunneling through donor impurities in double-barrier structures. / Tunelamento ressonante através de impurezas doadoras em estruturas de dupla barreira.
We have investigated resonant tunneling in GaAs/(AlGa)As double barrier structures which have been fabricated into square mesoscopic and macroscopic size mesas (∼ 10μm × 10μm) A δ layer with different concentrations of Silicon donors was incorporated at the centre of the quantum well. The I(V) characteristics show some features below the
Publicado em: 1994