A Quasi-3D Threshold Voltage Model for Dual-Metal Quadruple-Gate MOSFETs

  • Revised Date: November 23, 2014
  • Published Date: November 30, 2014
  • A threshold voltage model for dual-metal quadruple-gate (DMQG) metal-oxide-semiconductor field effect transistors (MOSFETs) is presented by using the virtual-cathode potential formulated from the quasi-3D scaling equation adopting the equivalent number of gates concept. The threshold voltage of the DMQG MOSFET is formulated analytically for different length ratios of control and screen gates at different channel lengths. Moreover, the drain induced barrier lowering of the DMQG MOSFET is also analyzed and compared with the same quadruple-gate MOSFET. The analytical model results are compared with the 3D ATLAS simulation data to validate the derived model.
  • Article Text

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