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NEGF simulation of the RTD bistability

Published: 01 September 2007 Publication History

Abstract

The simulation of I-V characteristics of Al0.3Ga0.7As-GaAs and AlAs-GaAs resonant tunneling diodes (RTD) is presented. The nonequilibrium Green function (NEGF) based 1D quantum transport simulator Wingreen is used in our case. The plateau region on the IV characteristics usually present only by the Wigner function equation (WFE) based simulation appeared now by the NEGF simulation of our AlAs-GaAs RTD and its shape is comparable with our experimental measurements. Analysis of our results from point of view of the scattering and geometrical parameters of the RTD structure is presented.

References

[1]
Biegel B.A. and Plummer J.D. Applied bias slewing in transient Wigner function simulation of resonant tunneling diodes IEEE Trans. El. Dev. 1997 44 733
[2]
Zhao P. et al. Origin of hysteresis and plateau-like behavior of the I-V characteristics of resonant tunneling diodes Int. J. Mod. Phys. 2000 B 14 411
[3]
Gardner C.L. et al. Smooth quantum hydrodynamic model vs. NEMO simulation of a resonant tunneling diode J. Comp. Electron. 2004 3 95
[4]
Indlekofer, K.M., Malindretos, J.: http://www.fz-juelich.de/isg /mbe/software.html
[5]
Sandu T. and Kirk W.P. The role of emitter quasi-bound state and scattering on intrinsic bistability in resonant tunneling diodes Physica 2004 E 22, 815

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Published In

cover image Journal of Computational Electronics
Journal of Computational Electronics  Volume 6, Issue 1-3
Sep 2007
378 pages

Publisher

Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 01 September 2007

Author Tags

  1. Resonant tunneling diodes
  2. Nonequilibrium Green functions
  3. Hysteresis

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