DC PERFORMANCE OF GAAS/ALXGA1-XAS P-N-P HETEROJUNCTION BIPOLAR-TRANSISTORS GROWN BY OMVPE

被引:7
作者
DELYON, T [1 ]
CASEY, HC [1 ]
ENQUIST, PM [1 ]
HUTCHBY, JA [1 ]
机构
[1] RES TRIANGLE INST,RES TRIANGLE PK,NC 27709
关键词
SEMICONDUCTOR DEVICES; BIPOLAR; --; Performance;
D O I
10.1109/16.2566
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
An experimental study of the current gain obtained in GaAs/AlxGa131xAs p-n-p heterojunction bipolar transistors fabricated from organometallic vapor-phase-epitaxial (OMVPE) material is reported. The structures studied included an abrupt base-emitter junction without a base spacer layer and two other structures with a 100-angstrom undoped base spacer layer with either an abrupt or a linearly graded base emitter junction. Analysis of current gain in these devices indicates that surface recombination dominates the base current and that an undoped base spacer layer is not needed.
引用
收藏
页码:1389 / 1391
页数:3
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