Nano Science and Technology Institute
MSM 2000
MSM 2000
Technical Proceedings of the 2000 International Conference on Modeling and Simulation of Microsystems
 
Chapter 8: Semiconductor Device Modeling
 

Inverse Modeling for C-V Profiling of Modulated-Doped Semiconductor Structures

Authors:M.F. Kokorev, N.A. Maleev and D.V. Pakhnin
Affilation:State Electrotechnical University, RU
Pages:392 - 395
Keywords:inverse modeling, C-V profiling, modulated- doped semiconductor structures
Abstract:Inverse modeling is a way for the verification of device models and for the parameter extraction. A technique of doping profile extraction of semiconductor structures based on the capacitance-voltage measurements (or C-V profiling) is used extensively. This technique up till now has been applied in two variants: the well-known classical C-V profiling to the sufficiently smooth doping profiles and the inverse modeling technique based on the error minimization to the abrupt profiles. The present paper describes a new method of the inverse modeling with sub-Debye resolution for arbitrary doping profiles. The calculations can be performed using a Pentium-like personal computer. For the input data obtained by forward modeling, the integral error of doping profile extraction is below 0.1 %. As an example, the doping profile determination of the GaAs modulated-doped structure is presented. The possibilities of the proposed method are discussed.
Inverse Modeling for C-V Profiling of Modulated-Doped Semiconductor StructuresView PDF of paper
ISBN:0-9666135-7-0
Pages:741
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