|Author||Ojha, Apoorva ♦ Mohapatra, Nihar Ranjan|
|Subject Keyword||Device Simulator ♦ Density of States (DOS) ♦ Dispersion Relationship ♦ Quantum Mechanical Effects ♦ Poisson-schrodinger Solver ♦ Geometrical Confinement ♦ Mugfets|
|Abstract||The quantum mechanical effects have become an important phenomenon in extremely scaled multi-gate MOS devices and therefore the self-consistent solution of Poissons and Schrodingers equation (P-S solver) is needed to get accurate charge and potential profiles. The commercial device simulators take impractically high computation time for the P-S solver. So, there is a need for a computationally efficient methodology which is fast as well as accurate. In this paper, a quantum corrected Poisson solver is developed which serves this purpose. The effects of quantum confinement due to geometry of the device and the electric field are captured accurately by modifying the density of states and incorporating correction in carrier charge profiles. The developed model is physics-based, accurate, and computationally efficient in comparison to the existing quantum correction models.|
|Learning Resource Type||Article|
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