Extraction of the Effective Mobility of In0.53Ga0.47As MOSFETs

被引:40
作者
Hinkle, Christoper L. [1 ]
Sonnet, Arif M.
Chapman, Richard A.
Vogel, Eric M.
机构
[1] Univ Texas Richardson, Dept Elect Engn, Richardson, TX 75080 USA
关键词
Effective mobility; InGaAs; interface states; split C-V; III-V metal-oxide-semiconductor field-effect transistor (MOSFET); MODEL; GAAS;
D O I
10.1109/LED.2009.2012880
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 extraction of the effective mobility on In0.53Ga0.47As metal-oxide-semiconductor field-effect transistors (MOSFETs) is studied and shown to be greater than 3600 cm(2)/V . s. The removal of C-it response in the split C-V measurement of these devices is crucial to the accurate analysis of these devices. Low-temperature split C-V can be used to freeze out the D-it response to the ac signal but maintain its effect on the free carrier density through the substrate potential. Simulations that match this low-temperature data can then be "warmed up" to room temperature and an accurate measure of Q(inv) is achieved. These results confirm the fundamental performance advantages of In0.53Ga0.47As MOSFETs.
引用
收藏
页码:316 / 318
页数:3
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