DocumentCode
1304673
Title
AlGaAs/GaAs heterojunction bipolar transistors fabricated with various collector-carrier-concentrations
Author
Ota, Yoshiharu ; Hirose, Tatsuya ; Ryoji, A. ; Inada, M.
Author_Institution
Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Volume
26
Issue
3
fYear
1990
Firstpage
203
Lastpage
205
Abstract
Effects of the collector carrier concentration Nc of AlGaAs/GaAs self-aligned HBT´s with a buried collector on high frequency performances are studied experimentally. fT increases monotonically with Nc, while fmax has a maximum point for the intermediate doping of Nc=5*1016 cm-3.
Keywords
III-V semiconductors; aluminium compounds; carrier density; gallium arsenide; heterojunction bipolar transistors; solid-state microwave devices; AlGaAs-GaAs; HBT; III-V semiconductors; buried collector; collector-carrier-concentrations; heterojunction bipolar transistors; high frequency performances; microwave device;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19900137
Filename
82555
Link To Document