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- W1979049904 abstract "The yellow emission of thermally treated undoped and In doped ZnO nanostructures was studied by the cathodoluminescence (CL) technique. CL spectra acquired at room temperature of the as-grown samples revealed two emissions at about 3.2 eV and 2.13 eV, corresponding to the near band edge and defect related emissions, respectively. On annealing the samples at 600 ∘C in Ar and O2 atmospheres, the defect emission suffers a red shift, irrespective of the annealing atmosphere. This red shift is explained in terms of variations in the relative intensities of the two component bands centered at about 2.24 eV and 1.77 eV, which were clearly resolved in the CL spectra acquired at low temperature of the annealed samples. A decrease of the relative intensity of the yellow emission (2.24 eV) was observed for all thermally annealed samples. The annealing of zinc interstitial point defects is proposed as a possible mechanism to explain this intensity decrease." @default.
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- W1979049904 date "2009-04-01" @default.
- W1979049904 modified "2023-10-18" @default.
- W1979049904 title "CL study of yellow emission in ZnO nanostructures annealed in Ar and O2 atmospheres" @default.
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- W1979049904 doi "https://doi.org/10.1016/j.spmi.2008.10.036" @default.
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