On the mobility versus drain current relation for a nanoscale MOSFET

被引:189
作者
Lundstrom, MS [1 ]
机构
[1] Purdue Univ, Dept Elect & Comp Engn, W Lafayette, IN 47907 USA
关键词
ballistic transport; charge carrier mobility; MOSFET; MOSFET scaling; velocity overshoot;
D O I
10.1109/55.924846
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The dependence of the linear and saturated drain current of a nanoscale MOSFET on the near-equilibrium, inversion layer mobility of a long-channel device from the same technology is examined, Simple expressions developed from a scattering theory of the MOSFET provide a quantitative relation between the long-channel mobility and the short-channel drain current. The theory explains the commonly observed mobility-dependence of the linear and saturated drain currents in present-day deep submicron MOSFETs, and the results can be extrapolated all the may to the ballistic limit.
引用
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页码:293 / 295
页数:3
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