Selective intermixing of Ga(In)NAs/GaAs quantum well structures using SiO2 encapsulation and rapid thermal annealing
2001
The quantum well intermixing of Ga(In)NAs/GaAs simple quantum well (SQW) using SiO2 encapsulation and rapid thermal annealing has been studied. Obvious enhanced intermixing of GaInNAs/GaAs SQW was observed due to the localized SiO2 capping layer and RTA at temperature between 650degreesC and 900degreesC. The selective intermixing strongly depends on N composition and In composition. An obvious selective intermixing had been found in the samples with small N composition and/or high In composition.
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