30-nm-gate InAlAs/InGaAs HEMTs lattice-matched to InP substrates

被引:42
作者
Suemitsu, T [1 ]
Ishii, T [1 ]
Yokoyama, H [1 ]
Umeda, Y [1 ]
Enoki, T [1 ]
Ishii, Y [1 ]
Tamamura, T [1 ]
机构
[1] NTT, Syst Elect Labs, Atsugi, Kanagawa 2430198, Japan
来源
INTERNATIONAL ELECTRON DEVICES MEETING 1998 - TECHNICAL DIGEST | 1998年
关键词
D O I
10.1109/IEDM.1998.746339
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
In this paper, we report the fabrication and the device characteristics of the InP-based lattice-matched HEMTs with a 30-nm gate, which is the smallest gate yet achieved for InP-based HEMTs. A fullerene-incorporated nanocomposite resist is used in electron beam (EB) lithography to achieve such a small gate. A cutoff frequency of the 30-nm-gate HEMTs is 350 GHz, which is comparable to the reported value for 50-nm-gate InP-based pseudomorphic HEMTs and one of the highest value achieved by any kind of three-terminal electronic device.
引用
收藏
页码:223 / 226
页数:4
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