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Quantum confined Stark effect and corresponding lifetime reduction in a single Inx Ga1-x N quantum disk

Abstract:

Time-integrated and time-resolved microphotoluminescence studies were carried out on Inx Ga1-x N 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. Due to the reduced band bending and resulting increased overlap of the confined electron and hole wave functions, the lifetime of the emission was measur...

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Publisher copy:
10.1063/1.3257698
Journal:
Applied Physics Letters More from this journal
Volume:
95
Issue:
18
Publication date:
2009-01-01
DOI:
ISSN:
0003-6951
Language:
English
Pubs id:
pubs:134876
UUID:
uuid:cc05b7a9-8021-48d3-a50d-c54d3181afd0
Local pid:
pubs:134876
Source identifiers:
134876
Deposit date:
2012-12-19

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