Optical properties of single non-polar GaN quantum dots
We present a microphotoluminescence study of non polar GaN/AlN quantum dots (QDs) grown along the [11$ \bar 2 $0] axis. Despite the high QD density, single exciton lines could be isolated on the high energy side of the spectral distribution of the QD array emission. Linewidths down to 0.5 meV are re...
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Published in | Physica Status Solidi (b) Vol. 243; no. 7; pp. 1652 - 1656 |
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Main Authors | , , , , , , , , |
Format | Journal Article Conference Proceeding |
Language | English |
Published |
Berlin
WILEY-VCH Verlag
01.06.2006
WILEY‐VCH Verlag Wiley |
Subjects | |
Online Access | Get full text |
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Summary: | We present a microphotoluminescence study of non polar GaN/AlN quantum dots (QDs) grown along the [11$ \bar 2 $0] axis. Despite the high QD density, single exciton lines could be isolated on the high energy side of the spectral distribution of the QD array emission. Linewidths down to 0.5 meV are reported, which is one order of magnitude lower than previously reported linewidths for polar GaN/AlN QDs. This difference is attributed to the drastic reduction of the internal field in non‐polar quantum dots. Temperature dependent measurements were performed up to 180 K. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim) |
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Bibliography: | ark:/67375/WNG-TX9KCGLS-K istex:47B6BEAA96DD5EB4965C12476C05178AAF028E51 ArticleID:PSSB200565406 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 0370-1972 1521-3951 |
DOI: | 10.1002/pssb.200565406 |