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Browse Journals & Magazines > Electron Devices, IEEE Transa ...> Volume:29 Issue:2 Help

Mobility and carrier concentration profiles in ion-implanted layers on doped and undoped semi-insulating GaAs substrates at 299 and 105 K

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2 Author(s)
Das, M.B. ; Pennsylvania State University, University Park, PA ; Bonggi Kim

This paper presents results of experimental determination of free carrier concentration (n) and mobility (µ) profiles in silicon ion-implanted layers on different types of semi-insulating GaAs substrates at room and liquid-nitrogen temperatures. The measurement utilizes long-channel FET test structures and an RF transformer ratio-arm bridge. The effective background compensating acceptor concentration profiles have also been determined by comparing the experimental µ versus n plots with the published theoretical results for different compensation ratio values. The results indicate that boron nitride crucible grown GaAs substrates can provide high mobility and low compensating background acceptor concentration profiles.

Published in:
Electron Devices, IEEE Transactions on  (Volume:29 ,  Issue: 2 )

Date of Publication: Feb 1982

Page(s):
205 - 211
ISSN :
0018-9383
Digital Object Identifier :
10.1109/T-ED.1982.20685
Product Type:
Journals & Magazines
Date of Current Version :
09 August 2005
Issue Date :
Feb 1982
Sponsored by :
IEEE Electron Devices Society

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