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QuaMC (pronunciation: quamsee) 2-D is effectively a quasi three-dimensional quantum-corrected semiclassical Monte Carlo transport simulator for conventional and non-conventional MOSFET devices. A parameter-free quantum field approach has been developed and utilized quite successfully in order to capture the size-quantization effects in nanoscale MOSFETs. The method is based on a perturbation theory around thermodynamic equilibrium and leads to a quantum field formalism in which the size of an electron depends upon its energy[2,3]. This simulator uses different self-consistent event-biasing schemes for statistical enhancement in the Monte-Carlo device simulations. Enhancement algorithms are especially useful when the device behavior is governed by rare events in the carrier transport process. A bias technique, particularly useful for small devices, is obtained by injection of hot carriers from the boundaries. Regarding the Monte Carlo transport kernel, the explicit inclusion of the longitudinal and transverse masses in the silicon conduction band is done in the program using the Herring-Vogt transformation. Intravalley scattering is limited to acoustic phonons. For the intervalley scattering, both g- and f-phonon processes have been included.
Cite this work
Researchers should cite this work as follows:
S. Ahmed, C. Ringhofer, D. Vasileska, "Parameter-Free Effective Potential Method for Use in Particle-Based Device Simulations," IEEE Transactions on Nanotechnology, 4, 465 (2005).
D. Vasileska and S. S. Ahmed, "Narrow-Width SOI Devices: The Role of Quantum Mechanical Size Quantization Effect and the Unintentional Doping on the Device Operation," IEEE Transactions on Electron Devices, 52, 227 (2005).
M. Nedjalkov, S. Ahmed, and D. Vasileska, "A self-consistent event biasing scheme for statistical enhancementï¿½", Journal of Computational Electronics, 3, 305 (2004).