An Analytic Threshold Voltage Model for the Double-Gate Schottky-Barrier Source/Drain MOSFETs
The threshold voltage, Vth of a double-gate SchottkyBarrier (DGSB) source/drain (S/D) metal-oxidesemiconductor field-effect transistor (MOSFET) has been investigated. An analytic expression for surface potential in the channel is obtained and the results are verified via simulations, good agreement is observed. A new definition for Vth is given, and an analytic expression for V,h is presented. We find that when the silicon thickness, tsi is small (<3 nm), V,h is very sensitive to it. Vth increases dramatically with the decreasing of tsi. Vth also increases with the increasing of the oxide thickness, and with the decreasing of the drain-soirce voltage. These results can be of great help to the ultralargescale integrated-circuit (ULSI) designers.
Peicheng Li Guangxi Hu Guanghui Mei Ran Liu Yi Jiang Tingao Tang
ASIC & System State Key Lab, School of Microelectronics, Fudan University, Shanghai 200433, China
国际会议
上海
英文
1922-1924
2010-11-01(万方平台首次上网日期,不代表论文的发表时间)