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Temperature dependence of photoluminescence from single core-shell GaAs–AlGaAs nanowires
Open accessAbstract
Temperature-dependent polarized microphotoluminescence measurements of single GaAs∕AlGaAs core-shell nanowires are used to probe their electronic states. The low-temperature emission from these wires is strongly enhanced compared with that observed in bare GaAs nanowires and is strongly polarized, reflecting the dielectric mismatch between the nanowire and the surrounding air. The temperature-dependent band gap of the nanowires is seen to be somewhat different from that observed in bulk GaAs, and the PL rapidly quenches above 120K, with an activation energy of 17meV reflecting the presence of nonradiative defects.
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Cites
Single-nanowire electrically driven lasers
Duan, X., Huang, Y., Agarwal, R., & Lieber, C. M. (2003) · Nature · doi:10.1038/nature01353 · Cited by 2,447
Cited by
Twin-Free Uniform Epitaxial GaAs Nanowires Grown by a Two-Temperature Process
Joyce, H. J., Gao, Q., Tan, H. H., Jagadish, C., Kim, Y., Zhang, X., Guo, Y., & Zou, J. (2007) · Nano Letters · doi:10.1021/nl062755v · Cited by 298
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Metadata
- Authors
- Titova, L. V., Hoang, T. B., Jackson, H. E., Smith, L. M., Yarrison-Rice, J. M., Kim, Y., Joyce, H. J., Tan, H. H., & Jagadish, C.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2006-10-23
- Volume
- 89
- Issue
- 17
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2069715449
- Cited by
- 183
- References
- 1
- FWCI
- 8.29
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Titova, L. V., Hoang, T. B., Jackson, H. E., Smith, L. M., Yarrison-Rice, J. M., Kim, Y., Joyce, H. J., Tan, H. H., & Jagadish, C. (2006). Temperature dependence of photoluminescence from single core-shell GaAs–AlGaAs nanowires. Applied Physics Letters. https://doi.org/10.1063/1.2364885
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