Peculiarities of thermal extinction of deep-center luminescence in cadmium selenide

Journal Article · Wed Oct 01 04:00:00 EDT 1986 · Inorg. Mater. (Engl. Transl.); (United States)

OSTI ID:7153164

Ermolovich, I B; Bulakh, B M

The authors study the mechanisms of thermal extinction of the luminescence bands in cadmium selenide with lambda mad = 0.92 (band I) and 1.16 um (band II), for which the main photoluminescence centers are responsible. CdSe crystals grown from the gas phase and deliberately not doped were studied. The curves of the intensities of the bands I and II in the layers and single crystals are shown. A model is presented of the configurational coordinates for explaining the internal mechanism of extinction of impurity luminescence in crystal phosphors. A diagram is shown of the recombination transitions for wide-gap crystal phosphors with the anticipation of two luminescence centers and a nonradiative recombination center. This study proves that the corresponding luminescence centers in cadmium selenide single crystals and layers have the same physicochemical structure.

• Research Organization: Institute of Semiconductors, Ukrainian SSR Acad. of Sci.
• OSTI ID: 7153164
• Journal Information: Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 22:5; ISSN INOMA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
CADMIUM COMPOUNDS
CADMIUM SELENIDES
CHALCOGENIDES
CHARGE CARRIERS
CRYSTALS
CURRENTS
ELECTRIC CURRENTS
IMPURITIES
LUMINESCENCE
MONOCRYSTALS
PHOTOCURRENTS
PHOTOELECTRIC EFFECT
PHOTOELECTROMAGNETIC EFFECTS
PHOTOLUMINESCENCE
QUENCHING
RECOMBINATION
SELENIDES
SELENIUM COMPOUNDS
TEMPERATURE DEPENDENCE