Abstract

Luminescence and electron spin resonance (ESR) were measured in CdS-doped glass. Photoinduced centers were detected by ESR. A correlation between the intensity of the ESR signal and the photodarkening effects was observed. ESR spectrum of CdS-doped glass is different from those of host glass and bare CdS particles. The ESR intensity increases sublinearly with excitation intensity. These results indicate that the centers are induced with one-step excitation process at the glass-semiconductor (CdS) interface.

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