Strain-induced lateral confinement of excitons in GaAs-AlGaAs quantum well microstructures - Kash, K.; Worlock, J. M.; Sturge, M. D.; Grabbe, P.; Harbison, J. P.; Scherer, A.; Lin, P. S. D. (American Institute of Physics (AIP), 1988)
http://dx.doi.org/10.1063/1.99832
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