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A continuous analytic channel potential solution to doped symmetric double-gate MOSFETs from the accumulation to the strong-inversion region
Authors:He Jin  Liu Feng  Zhou Xing-Ye  Zhang Jian and Zhang Li-Ning
Institution:School of Electronics and Information, Nantong University, Nantong 226019, China;  The Key Laboratory of Integrated Microsystems, School of Computer & Information Engineering, Peking University Shenzhen Graduate School, Shenzhen 518055, China;  TSRC, Institute of Microelectronics, School of Electronic Engineering and Computer Science, Peking University, Beijing 100871, China
Abstract:A continuous yet analytic channel potential solution is proposed for doped symmetric double-gate (DG) MOSFETs from the accumulation to the strong-inversion region. Analytical channel potential relationship is derived from the complete 1-D Poisson equation physically, and the channel potential solution of the DG MOSFET is obtained analytically. The extensive comparisons between the presented solution and the numerical simulation illustrate that the solution is not only accurate and continuous in the whole operation regime of DG MOSFETs, but also valid to wide doping concentration and various geometrical sizes, without employing any fitting parameter.
Keywords:MOSFETs  transistors  doping  modeling  double-gate (DG)
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