简介：Temperature-dependenceandexcitation-intensity-dependenceofphotoluminescencespectraforbothdisorderedandorderedGa0.52In0.48Paremeasured.Thedisorderedsampleischaractierizedbyitssinglepcakphotoluminescencespectrumwhichisexcitation-intensity.independentandhasdifferentactivationenergyatdifferenttemperatureregion.Theorderedsampleshowsdoublepeaks,theintensityofthehigh-energypeakhasananomalousincreasefirstlyandquenchesafterwards.Therelativehenomenaarereasonablyexplainedintermsoflatticeorderingandorientationsuperlatticemodel.
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