Article (Scientific journals)
Fabrication, optical characterization and modeling of strained core-shell nanowires
Zanolli, Zeila; Froberg, Linus E; Bjork, M. T. et al.
2006In Thin Solid Films, 515 (2), p. 793-796
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Keywords :
Nanowires; Photoluminescence; CBE growth
Abstract :
[en] Strained nanowires with varying InAs/InP core/shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the optical properties of single wires. Emission from the InAs core was observed and its dependence on the shell thickness / core diameter ratio was investigated. We found that it is possible to tune the emission energy towards 0.8 eV by controlling this ratio. We have compared the measured energies with calculated energies. Our findings are consistent with the wires having a hexagonal crystal structure.
Disciplines :
Physics
Author, co-author :
Zanolli, Zeila ;  Lund University
Froberg, Linus E
Bjork, M. T.
Pistol, Mats-Erik
Samuelson, Lars
Language :
English
Title :
Fabrication, optical characterization and modeling of strained core-shell nanowires
Publication date :
2006
Journal title :
Thin Solid Films
ISSN :
0040-6090
Publisher :
Elsevier Science
Volume :
515
Issue :
2
Pages :
793-796
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 October 2011

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