Abstract
The incoherent electrons in the quantum well play an important role in resonance tunnelling diodes. The hot-electron distribution, characterized by the electron temperature Te and the effective Fermi energy mu e, is proposed to describe the nonequilibrium distribution of the incoherent electrons in the quantum well. These two parameters, Te and mu e, can be uniquely determined by the energy conservation law and particle conservation law. The authors have also calculated the current density tunnelling through the diode. The results demonstrate that the current peak-to-valley ratio degrades as scattering in the quantum well increases, which is consistent with the current experimental results.
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