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Optical investigations of GaInNAs/GaAs multi-quantum wells with low nitrogen content

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Optical investigations of GaInNAs/GaAs multi-quantum wells with low nitrogen content

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dc.contributor.author Sun, Handong
dc.contributor.author Hetterich, M.
dc.contributor.author Dawson, M. D.
dc.contributor.author Egorov, A. Yu.
dc.contributor.author Bernklau, D.
dc.contributor.author Riechert, H.
dc.date.accessioned 2009-11-13T04:25:21Z
dc.date.available 2009-11-13T04:25:21Z
dc.date.copyright 2002
dc.date.issued 2009-11-13T04:25:21Z
dc.identifier.citation Sun, H. D., Hetterich, M., Dawson, M. D., Egorov, A. Y., Bernklau, D., & Riechert, H. (2002). Optical investigations of GaInNAs/GaAs multi-quantum wells with low nitrogen content. Journal of Applied Physics., 92(3), 1380-1385.
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/10220/6151
dc.description.abstract The optical properties of GaInNAs/GaAs multi-quantum wells were investigated by photoluminescence excitation (PLE) spectroscopy, as well as by photoluminescence (PL), under various excitation intensities and at various temperatures. The PLE spectra demonstrated pronounced excitonic features and the corresponding transitions were identified. At low temperatures the PL spectra were sensitive to the excitation intensity. Under fixed excitation intensity, both the peak energy and the linewidth of photoluminescence showed anomalous temperature dependence, specifically an S-shaped temperature dependence of the peak energy and a N-shaped temperature dependence of linewidth in the PL spectra. The observed results are explained consistently in terms of the exciton localization effect due to the local fluctuations of nitrogen concentration.
dc.format.extent 7 p.
dc.language.iso en
dc.relation.ispartofseries Journal of Applied Physics.
dc.rights Journal of Applied Physics © 2002 American Institute of Physics. The journal's website is located at http://jap.aip.org/.
dc.subject DRNTU::Science::Physics::Optics and light.
dc.title Optical investigations of GaInNAs/GaAs multi-quantum wells with low nitrogen content
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.openurl http://scitation.aip.org.ezlibproxy1.ntu.edu.sg/getabs/servlet/GetabsServlet?prog=normal&id=JAPIAU000092000003001380000001&idtype=cvips&gifs=yes
dc.identifier.doi http://dx.doi.org/10.1063/1.1489716
dc.description.version Published version

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