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VLSI Design
Volume 6 (1998), Issue 1-4, Pages 161-165

Monte Carlo Analysis of Anisotropy in the Transport Relaxation Times for the Hydrodynamic Model

1Dipartimento di Fisica, Università di Modena Via Campi 213/A, Modena 41100, Italy
2Dipartimento di Elettronica, lnformatica e Sistemistica, Università di Bologna Viale Risorgimento 2, Bologna 40136, Italy

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper investigates the anisotropy properties of the relaxation times used in the hydrodynamic model. To this purpose a calculation of the collision term of the Boltzmann Transport Equation is performed by means of a Monte Carlo code accounting for the proper band structure and scattering features. Numerical results for electrons in silicon are shown at 77 and 300 K for E ║ <100> and E ║ <111>.