Regions with stacking faults were detected, for the first time, in the low-temperature reflectance and photoluminescence spectra of CdSSe crystals having various compositions. The use of X-ray structural analysis confirmed the existence of crystalline regions with stacking faults.

Optical Manifestation of Stacking Faults in CdSSe Crystals. N.R.Grigorieva, R.V.Grigoriev, E.P.Denisov, D.L.Fedorov, B.A.Kazennov, B.V.Novikov: Journal of Crystal Growth, 2000, 214-215, 457-9