Transconductance enhancement in deep submicron strained-Si n-MOSFETs

被引:108
|
作者
Rim, K [1 ]
Hoyt, JL [1 ]
Gibbons, JF [1 ]
机构
[1] Stanford Univ, Solid State & Photon Lab, Stanford, CA 94305 USA
关键词
D O I
10.1109/IEDM.1998.746455
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
We report the first measurements on deep submicron strained-Si n-MOSFETs. In spite of the high channel doping and vertical effective fields, electron mobility is enhanced by similar to 75% compared to typical MOSFET mobilities. The extrinsic transconductance is increased by similar to 45% for channel lengths of 0.1 mu m, when AC measurements are used to reduce self-heating effects. The improved transconductance demonstrates the use of strain-induced enhancements in both mobility and high-field transport to increase the average electron velocity, while maintaining the channel doping required to suppress short channel effects.
引用
收藏
页码:707 / 710
页数:4
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