NEW STRUCTURAL APPROACH FOR REDUCING PUNCHTHROUGH CURRENT IN DEEP-SUBMICROMETER MOSFETS AND EXTENDING MOSFET SCALING

被引:22
作者
HARELAND, SA
TASCH, AF
MAZIAR, CM
机构
[1] Microelectronics Research Center, University of Texas, Austin
关键词
MOSFETS; SEMICONDUCTOR DEVICES AND MATERIALS;
D O I
10.1049/el:19931261
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
A heterojunction MOSFET structure is proposed in which the energy band offset of a heterojunction provides an additional potential energy barrier at the source in order to improve the turn-off characteristics in extremely small MOSFETs. Initial numerical simulations of this device show that the heterojunction MOSFET yields a substantial improvement in off-state leakage current compared to a conventional all-Si (homojunction) MOSFET. An additional design technique such as this is believed to be able to allow devices to be scaled more effectively to less-than-or-equal-to 0.1 mum technology.
引用
收藏
页码:1894 / 1896
页数:3
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