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Quantum Monte Carlo simulation of resonant tunneling diodes based on the Wigner distribution function formalism

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4 Author(s)
Garcı a-Garcı a, J. ; Departament d’Enginyeria Electrònica, Universitat Autònoma de Barcelona 08193 Bellaterra (Barcelona), Spain ; Martı n, F. ; Oriols, X. ; Sune, J.

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A tool for the simulation of resonant tunneling diodes (RTDs) has been developed. This is based on the solution of the quantum Liouville equation in the active region of the device and the Boltzman transport equation in the regions adjacent to the contacts by means of a Monte Carlo algorithm. By accurately coupling both approaches to current transport, we have developed a quantum simulation tool that allows the use of simulation domains much larger and realistic than those previously considered, without a significant increase in computational burden. The main characteristics expected for the considered devices are clearly obtained, thus supporting the validity of our tool for the simulation of RTDs. © 1998 American Institute of Physics.

Published in:

Applied Physics Letters  (Volume:73 ,  Issue: 24 )