Electrical characteristics of field-effect transistors based on indium arsenide nanowire thinner than 10nm

被引:29
作者
Fu, Mengqi [1 ,2 ]
Pan, Dong [3 ]
Yang, Yingjun [1 ,2 ]
Shi, Tuanwei [1 ,2 ]
Zhang, Zhiyong [1 ,2 ]
Zhao, Jianhua [3 ]
Xu, H. Q. [1 ,2 ]
Chen, Qing [1 ,2 ]
机构
[1] Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China
[2] Peking Univ, Dept Elect, Beijing 100871, Peoples R China
[3] Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
关键词
SEMICONDUCTOR; PERFORMANCE; DIAMETER; MOSFETS;
D O I
10.1063/1.4897496
中图分类号
O59 [应用物理学];
学科分类号
摘要
To suppress short channel effects, lower off-state leakage current and enhance gate coupling efficiency, InAs nanowires (NWs) with diameter smaller than 10 nm could be needed in field-effect transistors (FETs) as the channel length scales down to tens of nanometers to improve the performance and increase the integration. Here, we fabricate and study FETs based on ultrathin wurtzite-structured InAs NWs, with the smallest NW diameter being 7.2 nm. The FETs based on ultrathin NWs exhibit high I-on/I-off ratios of up to 2 x 10(8), small subthreshold swings of down to 120mV/decade, and operate in enhancement-mode. The performance of the devices changes as a function of the diameter of the InAs NWs. The advantages and challenges of the FETs based on ultrathin NWs are discussed. (C) 2014 AIP Publishing LLC.
引用
收藏
页数:4
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