Nano Science and Technology Institute
Nanotech 2008 Vol. 3
Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 5: Modeling & Simulation of Microsystems

First self-consistent thermal electron- phonon simulator

Authors:D. Vasileska, K. Raleva, S.M. Goodnick
Affilation:Arizona State University, US
Pages:537 - 540
Keywords:lattice heating, FD-SOI devices, Monte Carlo methods
Abstract:We have developed the first self-consistent thermal electron-phonon simulator which solves the Boltzmann transport equation for the electrons and the energy balance equations for phonons, and as such allows us to make realistic estimates on the on-current degradation in FD-SOI devices with SIO2 and high-k dielectrics as gate oxides. For the first time we present a detailed study on the influence of lattice heating on the on-current for different generations of FD-SOI devices. Non-scationary transport (velocity overshoot) present in the smallest structures being investigated is responsible for the smaller thermal degradation in the smallest geometry device structures being considered.
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