D. Cherns
Compositional variations in In0.5Ga0.5N nanorods grown by molecular beam epitaxy
Cherns, D.; Webster, R. F.; Novikov, S. V.; Foxon, C. Thomas; Fischer, A. M.; Ponce, F. A.; Haigh, S. J.
Authors
R. F. Webster
SERGEI NOVIKOV sergei.novikov@nottingham.ac.uk
Professor of Physics
C. Thomas Foxon
A. M. Fischer
F. A. Ponce
S. J. Haigh
Abstract
The composition of InxGa1 ? xN nanorods grown by molecular beam epitaxy with nominal x = 0.5 has been mapped by electron microscopy using Z-contrast imaging and x-ray microanalysis. This shows a coherent and highly strained core-shell structure with a near atomically sharp boundary between a Ga-rich shell (x?0.3) and an In-rich core (x? 0.7), which itself has In- and Ga-rich platelets alternating along the growth axis. It is proposed that the shell and core regions are lateral and vertical growth sectors, with the core structure determined by spinodal decomposition.
Citation
Cherns, D., Webster, R. F., Novikov, S. V., Foxon, C. T., Fischer, A. M., Ponce, F. A., & Haigh, S. J. (2014). Compositional variations in In0.5Ga0.5N nanorods grown by molecular beam epitaxy. Nanotechnology, 25(21), Article 215705. https://doi.org/10.1088/0957-4484/25/21/215705
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 31, 2014 |
Publication Date | May 2, 2014 |
Deposit Date | Jul 8, 2016 |
Publicly Available Date | Jul 8, 2016 |
Journal | Nanotechnology |
Print ISSN | 0957-4484 |
Electronic ISSN | 1361-6528 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 25 |
Issue | 21 |
Article Number | 215705 |
DOI | https://doi.org/10.1088/0957-4484/25/21/215705 |
Keywords | InGaN nanorods, transmission electron microscopy, molecular beam epitaxy, EDX mapping, core-shell structures, spinodal decomposition |
Public URL | https://nottingham-repository.worktribe.com/output/729280 |
Publisher URL | http://iopscience.iop.org/article/10.1088/0957-4484/25/21/215705/meta |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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