Stationary states and phase diagram for a model of the Gunn effect under realistic boundary conditions

  title={Stationary states and phase diagram for a model of the Gunn effect under realistic boundary conditions},
  author={Gabriel Gomila and J. Miguel Rub{\'i} and Inma R Cantalapiedra and Luis L. Bonilla},
  journal={Physical Review E},
A general formulation of boundary conditions for semiconductor-metal contacts follows from a phenomenological procedure sketched here. The resulting boundary conditions, which incorporate only physically well-defined parameters, are used to study the classical unipolar drift-diffusion model for the Gunn effect. The analysis of its stationary solutions reveals the presence of bistability and hysteresis for a certain range of contact parameters. Several types of Gunn effect are predicted to occur… Expand
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