2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28727We present a self-consistent calculation, based on the global coherent tunnelling model, and show that structural asymmetry of double barrier resonant tunnelling structures significantly modifies the current-voltage characteristics compared to the symmetric structures. In particular, a suitably designed asymmetric structure can produce much larger peak current and absolute value of the negative differential conductivity than its commonly used symmetric counterpart.1 paper, 3 figuresMesoscale and Nanoscale Physicstext