Photoluminescence of quantum-size-effect epitaxial films and structures of Pb1-xSnxTe
Valeiko M. V., Zasavitski I.I., Matveenko A. V., Matsonashvili B. N.
A quantum size effect has been discovered in the photoluminescence spectra of thin films and multilayer heterostructures of Pbj _xSnxTe. The spectrum, which consists of a large number of lines, is shifted in the high-energy direction by elastic strain in the samples.