Browsing by Author "Huang, Yi-Hui"

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Error-Free Matthiessen's Rule in the MOSFET Universal Mobility Region
(2013-02-01)
Chen, Ming-Jer
;
Lee, Wei-Han
;
Huang, Yi-Hui
;
電子工程學系及電子研究所
;
Department of Electronics Engineering and Institute of Electronics
Through the experimentally validated inversion-layer mobility simulation, we devise an error-free version of Matthiessen's rule for a single-gate n-channel bulk MOSFET in the universal mobility region. The core of the new rule lies in a semi-empirical model, which explicitly expresses the errors due to the conventional use of Matthiessen's rule as a function of both the lowest subband population and the relative strength of individual mobility components. The model holds under practical conditions (with temperatures up to 400 K) and in a broad range of substrate doping concentrations (10(14) to 10(18) cm(-3)). To make the error-free proposal more general, we elaborate on several issues, including strain, impurity Coulomb scattering, and remote scattering. The thin-film case can be treated accordingly.