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Temperature dependence of photoluminescence from single core-shell GaAs-AlGaAs nanowires

Abstract:

Temperature-dependent polarized microphotoluminescence measurements of single GaAsAlGaAs core-shell nanowires are used to probe their electronic states. The low-temperature emission from these wires is strongly enhanced compared with that observed in bare GaAs nanowires and is strongly polarized, reflecting the dielectric mismatch between the nanowire and the surrounding air. The temperature-dependent band gap of the nanowires is seen to be somewhat different from that observed in bulk GaAs, ...

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Publication status:
Published

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Publisher copy:
10.1063/1.2364885

Authors


Titova, LV More by this author
Jackson, HE More by this author
Yarrison-Rice, JM More by this author
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Journal:
APPLIED PHYSICS LETTERS
Volume:
89
Issue:
17
Pages:
173126-173126
Publication date:
2006-10-23
DOI:
ISSN:
0003-6951
URN:
uuid:e2b6596f-5d92-4d96-8573-a8db3fbc76b4
Source identifiers:
157688
Local pid:
pubs:157688
Language:
English

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