The growth of AlGaN/GaN heterojunction bipolar transistors by metalorganic chemical vapor deposition

被引:6
|
作者
Lambert, DJH
Huang, JJ
Shelton, BS
Wong, MM
Chowdhury, U
Zhu, TG
Kwon, HK
Liliental-Weber, Z
Benarama, M
Feng, M
Dupuis, RD [1 ]
机构
[1] Univ Texas, Microelect Res Ctr, Austin, TX 78712 USA
[2] Univ Illinois, Ctr Compound Semicond Microelect, Urbana, IL 61801 USA
[3] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
基金
美国国家科学基金会;
关键词
Heterojunction bipolar transistor; aluminum gallium nitride; current gain;
D O I
10.1016/S0022-0248(00)00808-3
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The growth and properties of AlGaN/GaN heterojunction bipolar transistors grown by low-pressure metalorganic chemical vapor deposition (MOCVD) are described. The "emitter-up" structures are grown on (0 0 0 1) sapphire substrates, Common-emitter characteristics and Gummel plots were measured on 120 x 120 mum(2) devices and useable DC current gains of beta similar to 8-14 were achieved at room temperature. The resistance of the base was a limiting factor in high-current operation of these devices. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:730 / 733
页数:4
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