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Internal field shielding and the quantum confined stark effect in a single In xGa 1-xN quantum disk

Abstract:

Time-integrated and time-resolved microphotoluminescence studies were carried out on In xGa 1-xN quantum disks embedded in GaN nanocolumns grown by molecular beam epitaxy. Emission at ∼3.33 eV from confined states was detected and observed to blueshift with excitation power; a result of charge screening and the quantum confined Stark effect. The lifetime of the emission was measured to decrease with increasing excitation power, attributed to reduced band bending and resulting increased overla...

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Publisher copy:
10.1063/1.3666495

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Journal:
AIP Conference Proceedings
Volume:
1399
Pages:
545-546
Publication date:
2011-01-01
DOI:
EISSN:
1551-7616
ISSN:
0094-243X
Source identifiers:
341554
Language:
English
Keywords:
Pubs id:
pubs:341554
UUID:
uuid:cf5c9e15-3fb6-434e-a028-a846b9c85221
Local pid:
pubs:341554
Deposit date:
2013-11-16

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