On stochastic switching of bistable resonant-tunneling structures via nucleation
Pavel Rodin, Eckehard Schoell
Abstract
We estimate the critical size of the initial nucleus of the low current state in a bistable resonant tunneling structure which is needed for this nucleus to develop into a lateral switching front. Using the results obtained for deterministic switching fronts, we argue that for realistic structural parameters the critical nucleus has macroscopic dimensions and therefore is too large to be created by stochastic electron noise.
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