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Simulation of resonant tunneling diodes with a generalized quantum transport theory

✍ Scribed by M. Ogawa; T. Sugano; T. Miyoshi

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
369 KB
Volume
47
Category
Article
ISSN
0167-9317

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✦ Synopsis

Modeling of quantum transport based on the non-equilibrium Green functions is presented in resonant tunneling diodes (RTD's) where realistic band structures, space charge effect, and scattering effects are taken into account. We have developed a multiband, non-equilibrium Green function and Poisson simulator that employs multi-band (MB) tight binding calculation using a sp3s* hybridization.

As a result, we have found that the multiband nature and polar optical phonon scattering effects significantly change the results of conventional RTD simulations.

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✍ Zhangxin Chen; Bernardo Cockburn; Carl L. Gardner; Joseph W. Jerome πŸ“‚ Article πŸ“… 1995 πŸ› Elsevier Science 🌐 English βš– 251 KB

Hysteresis in the current-voltage curve of a resonant tunneling diode is simulated and analyzed in the quantum hydrodynamic (OHD) model for semiconductor devices. The simulations are the first to show hysteresis in the QHD equations and to confirm that bistability is an intrinsic property of the res