Analytical modeling of threshold voltage for Cylindrical Gate All Around (CGA…

In this paper, an analytical threshold voltage model is proposed for a cylindrical gate-allaround (CGAA) MOSFET by solving the 2-D Poisson’s equation in the cylindrical coordinate system. A comparison is made for both the center and the surface potential model of CGAA MOSFET. This paper claims that the calculation of threshold voltage using center potential is more accurate rather than the ca…