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Optical studies of GaN nanocolumns containing InGaN quantum disks and the effect of strain relaxation on the carrier distribution

Abstract:

The optical properties of GaN nanocolumns containing pairs of In xGa 1-xN (x ∼ 0.1) quantum disks (QDisks) have been experimentally measured. Strain simulations reveal an inhomogeneous distribution of strain, and furthermore, a relaxation between successive QDisks along the growth direction of the column. Although this inhomogeneous distribution of strain may indicate a lateral separation of carriers in the QDisk, the decay lifetime of the emission suggests far less carrier separation. The qu...

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Publisher copy:
10.1002/pssc.201100327

Authors


Holmes, MJ More by this author
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Journal:
Physica Status Solidi (C) Current Topics in Solid State Physics
Volume:
9
Issue:
3-4
Pages:
712-714
Publication date:
2012-03-05
DOI:
EISSN:
1610-1642
ISSN:
1862-6351
URN:
uuid:4b7bbdc9-6b28-496f-a5eb-ef6e3d7d692d
Source identifiers:
343027
Local pid:
pubs:343027
Language:
English
Keywords:

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