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Temperature dependence of photoluminescence from single core-shell GaAs–AlGaAs nanowires
2006
Applied Physics Letters
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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,
doi:10.1063/1.2364885
fatcat:hboxgg5ruban3nidi4d2hdevgi