Article (Scientific journals)
Probing Quantum Confinement within Single Core–Multishell Nanowires
Martínez-Criado, Gema; Homs, Alejandro; Alén, Benito et al.
2012In Nano Letters, 12 (11), p. 5829-5834
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Abstract :
[en] Theoretically core–multishell nanowires under a cross-section of hexagonal geometry should exhibit peculiar confinement effects. Using a hard X-ray nanobeam, here we show experimental evidence for carrier localization phenomena at the hexagon corners by combining synchrotron excited optical luminescence with simultaneous X-ray fluorescence spectroscopy. Applied to single coaxial n-GaN/InGaN multiquantum-well/p-GaN nanowires, our experiment narrows the gap between optical microscopy and high-resolution X-ray imaging and calls for further studies on the underlying mechanisms of optoelectronic nanodevices.
Disciplines :
Physics
Author, co-author :
Martínez-Criado, Gema
Homs, Alejandro
Alén, Benito
Sans, Juan A.
Segura-Ruiz, Jaime
Molina-Sanchez, Alejandro ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Susini, Jean
Yoo, Jinkyoung
Yi, Gyu-Chul
Language :
English
Title :
Probing Quantum Confinement within Single Core–Multishell Nanowires
Publication date :
2012
Journal title :
Nano Letters
ISSN :
1530-6992
Publisher :
American Chemical Society, Washington, United States - District of Columbia
Volume :
12
Issue :
11
Pages :
5829-5834
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 05 September 2013

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