Over 100 A operation normally-off AlGaN/GaN hybrid MOS-HFET on Si substrate with high-breakdown voltage

被引:134
作者
Kambayashi, Hiroshi [1 ]
Satoh, Yoshihiro [1 ]
Ootomo, Shinya [2 ]
Kokawa, Takuya [1 ]
Nomura, Takehiko [1 ]
Kato, Sadahiro [1 ]
Chow, Tat-sing Pawl [3 ]
机构
[1] Adv Power Device Res Assoc, Nishi Ku, Yokohama, Kanagawa 2200073, Japan
[2] Furukawa Elect Corp Ltd, Yokohama R&D Labs, Nishi Ku, Yokohama, Kanagawa 2200073, Japan
[3] Rensselaer Polytech Inst, Ctr Integrated Elect, Troy, NY 12180 USA
关键词
Normally-off; Gallium Nitride; Heterojunction field-effect transistor (WET); MOS; Over 100 A operation; FIELD-EFFECT TRANSISTORS; CHANNEL GAN MOSFETS; HEMT;
D O I
10.1016/j.sse.2010.01.001
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 demonstration of a normally-off n-channel AlGaN/GaN hybrid metal-oxide-semiconductor heterojunction field-effect transistor (MOS-HFET) on Si substrate for large-current operation is reported. The AlGaN/GaN hybrid MOS-HFET has the merits of both a MOS channel and an AlGaN/GaN heterostructure with high mobility two dimensional electron gases (2DEG). The maximum drain current of over 100 A with 2 mu m channel length and 340 mm channel width is performed. This is the best value for a normally-off GaN-based field-effect transistor. The specific on-state resistance is 9.3 m Omega cm(2). The fabricated device also exhibits good normally-off operation with the threshold voltage of 2.7 V and the breakdown voltage of over 600 V. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:660 / 664
页数:5
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