Gareso, Paulus; Buda, Manuela; Fu, Lan; Jagadish, Chennupati; Dao, Lap Van; Wen, X; Hannaford, Peter; Tan, Hark Hoe
We have investigated atomic intermixing in InxGa 1-xAs/InP quantum well (QW) structures induced by proton irradiation using photoluminescence (PL) and time-resolved photoluminescence. Photoluminescence results revealed that energy shift was systematically decreased as irradiation temperature was increased, followed by a broadening of the PL linewidth and reduction of the PL intensity. Time-resolved photoluminescence results at room temperature showed that the capture time of carriers in the...[Show more]
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