Influence of structure defects upon the luminescence and thermostimulated effects in Gd/sub 3/Ga/sub 5/O/sub 12/ crystals
Journal Article
·
· J. Appl. Spectrosc. (Engl. Transl.); (United States)
OSTI ID:6151110
The relationship between the 2.5-eV luminescence and the presence of intrinsic structure defects of gadolinium-gallium garnet (GGG) were studied and the role of the defects in capture and recombination processes of charge carriers were examined. The temperature dependence of the 2.5-eV luminescence yield was shown; the time dependence of the afterglow was studied in pulsed excitation by electrons. Results of research on the luminescence of GGG-V single crystals pointed to the recombination of the 2.5-eV emission band. The liberation of holes from traps during the heating excited GGG-V crystals, and their recombination with F centers lead to the appearance of thermostimulated luminescence.
- OSTI ID:
- 6151110
- Journal Information:
- J. Appl. Spectrosc. (Engl. Transl.); (United States), Vol. 47:3; Other Information: Translated from Zhurn. Priklad. Spektrosk.; 47: No. 3, 417-421(Sep 1987)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
GADOLINIUM OXIDES
LUMINESCENCE
GALLIUM OXIDES
MONOCRYSTALS
COLOR CENTERS
ABSORPTION SPECTRA
ANNEALING
ATTENUATION
CAPTURE
CHARGE CARRIERS
ELECTROLUMINESCENCE
ELECTRON EMISSION
EMISSION SPECTRA
EXCITATION
LINE WIDTHS
PHOTOCONDUCTIVITY
PHOTOLUMINESCENCE
RADIOLUMINESCENCE
RECOMBINATION
TEMPERATURE EFFECTS
THERMOLUMINESCENCE
CHALCOGENIDES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EMISSION
ENERGY-LEVEL TRANSITIONS
GADOLINIUM COMPOUNDS
GALLIUM COMPOUNDS
HEAT TREATMENTS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POINT DEFECTS
RARE EARTH COMPOUNDS
SPECTRA
VACANCIES
360204* - Ceramics
Cermets
& Refractories- Physical Properties
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
GADOLINIUM OXIDES
LUMINESCENCE
GALLIUM OXIDES
MONOCRYSTALS
COLOR CENTERS
ABSORPTION SPECTRA
ANNEALING
ATTENUATION
CAPTURE
CHARGE CARRIERS
ELECTROLUMINESCENCE
ELECTRON EMISSION
EMISSION SPECTRA
EXCITATION
LINE WIDTHS
PHOTOCONDUCTIVITY
PHOTOLUMINESCENCE
RADIOLUMINESCENCE
RECOMBINATION
TEMPERATURE EFFECTS
THERMOLUMINESCENCE
CHALCOGENIDES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
CRYSTALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EMISSION
ENERGY-LEVEL TRANSITIONS
GADOLINIUM COMPOUNDS
GALLIUM COMPOUNDS
HEAT TREATMENTS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
POINT DEFECTS
RARE EARTH COMPOUNDS
SPECTRA
VACANCIES
360204* - Ceramics
Cermets
& Refractories- Physical Properties
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies