Abstract
A study is reported of steady-and nonsteady-state photoluminescence of intentionally undoped and uniformly silicon-doped type-II (GaAs)7(AlAs)9 superlattices grown by MBE simultaneously on (311)A-and (100)-oriented GaAs substrates. It has been established that at elevated temperatures (160>T>30 K) the superlattice spectra are dominated by the line due to the donor-acceptor recombination between donors in the AlAs layers and acceptors located in the GaAs layers. The total carrier binding energy to the donor and acceptor in a pair has been determined.
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Fiz. Tverd. Tela (St. Petersburg) 40, 1734–1739 (September 1998)
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Zhuravlev, K.S., Gilinskii, A.M., Shamirzaev, T.S. et al. Donor-acceptor recombination in type-II GaAs/AlAs superlattices. Phys. Solid State 40, 1577–1581 (1998). https://doi.org/10.1134/1.1130604
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DOI: https://doi.org/10.1134/1.1130604