Manifestation of domain instability and the Franz-Keldysh effect in the recombination radiation of CdS single crystals
Krolevets N.M., Lepsveridze D.S., Sal'kov E.A., Shepel'skii G.A.
It is observed that the formation of domains leads to quenching of the photoluminescence of CdS and to the appearance of low-frequency oscillations of the radiation and of the photocurrent. A long-wave shift of the spectrum, due to the Franz-Keldysh effect, is observed in the domain region.