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Efficient 3-D simulation of complex structures

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3 Author(s)
Ciampolini, P. ; Dipartimento di Elettronica, Inf. e Sistemistica, Bologna Univ., Italy ; Pierantoni, A. ; Baccarani, G.

A 3-D general-purpose device simulator is presented, and issues related to its geometrical flexibility and computational efficiency are discussed. Triangular-based prismatic elements are used as building blocks for the discretization of device equations, providing a reasonable tradeoff between simplicity and geometrical flexibility. Suitable numerical techniques, including a `local-solution' algorithm, have been implemented in order to improve the computational efficiency of the code. A general treatment has been devised to handle floating-gate devices, which allows the program to cope with complex structures, such as a dual EPROM structure. Three-dimensional and two-dimensional simulation results are compared

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:10 ,  Issue: 9 )