Electro-thermo-chemical computational models for 3D heterogeneous semiconductor device simulation

Physical Models for Semiconductor Device Simulation

Device simulation has two main purposes: to understand and to depict the physical processes in the interior of a device, and to make reliable predictions of the behavior of the next device generation. Towards these goals, the quality of the implemented physical models is decisive, forcing heuristic t models to be replaced by \\rst-principle"-based models. Since transport schemes using moments o...

Tunneling Models for Semiconductor Device Simulation

A Study on Computational Efficiency for Parallel Semiconductor Device Simulation

In this paper, the Drift-Diffusion (DD), Schrödinger –Poisson transport (SP) and Density Gradient transport models (DG) are computed by parallel direct method and three different meshes. According to the results, the DD and DG model cannot be good approximation of SP model with respect to electron density simulation. In addition, a dense mesh is necessary for simulation of quantum effect. There...

Non-parabolic macroscopic transport models for semiconductor device simulation

We present a formulation of non-parabolic macroscopic transport models which avoids the commonly used relaxation time approximation by using an expansion of the scattering integral into the odd moments of the distribution function. The parameters of this expansion and the closure relations required in the final transport model are directly calculated via analytical models of the distribution fu...

A Distributed Simulation-Based Computational Intelligence Algorithm for Nanoscale Semiconductor Device Inverse Problem

In this paper, a distributed simulation-based computational intelligence algorithm for inverse problem of nanoscale semiconductor device is presented. This approach features a simulation-based optimization strategy, and mainly integrates the semiconductor process simulation, semiconductor device simulation, evolutionary strategy, and empirical knowledge on a distributed computing environment. F...