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Long wavelength photoresponse of short period InAs/GaSb superlattices

Abstract:
We have performed interband photoconductivity experiments at 2 K on a series of superlattices with different layer thicknesses. We show that the band gap is indeed tunable and measure values ranging from 5 to 20 mu m for the first time on samples grown by metal-organic vapour phase epitaxy. An 8 band k.p calculation is used to estimate the band gap and also to fit the interband Landau level transitions throughout the semiconducting layer thicknesses range.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author


Journal:
NARROW GAP SEMICONDUCTORS 1995 More from this journal
Issue:
144
Pages:
287-291
Publication date:
1995-01-01
Event title:
7th International Conference on Narrow Gap Semiconductors
ISSN:
0951-3248
ISBN:
0750303417


Keywords:
Pubs id:
pubs:28545
UUID:
uuid:70c03c25-d8db-49b2-8573-f0b4f695946a
Local pid:
pubs:28545
Source identifiers:
28545
Deposit date:
2012-12-19

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