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Cathodoluminescence of single ZnO nanorod heterostructures
Cited 14 time in
Web of Science
Cited 16 time in Scopus
- Authors
- Issue Date
- 2007-04-02
- Publisher
- Wiley-Blackwell
- Citation
- phys. stat. sol. (b) 244, 1458 (2007)
- Abstract
- Optical properties of ZnO-based single nanorods are probed by cathodoluminescence (CL) measurements at T=5 K. We observe a variation of the ZnO near band edge CL by three orders of magnitude along the nanorod axis, accompanied by a spectral blueshift of 10-30 meV. This indicates a rather poor structural quality of the nanorod bottom part, close to the substrate. ZnO/ZnMgO quantum wells grown on top of ZnO nanorods are found to exhibit much stronger confinement effects as compared to their two-dimensional counterparts, suggesting a reduced spontaneous and piezoelectric polarization effects.
- ISSN
- 0370-1972
- Language
- English
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