Nature of inhomogeneities and luminescence centers in low-resistance Al-doped ZnS single crystals
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:5698991
The authors study low-resistance Al-doped ZnS single crytals and find that they exhibit a banding nonuniformity, which is explained by the nonuniform distribution of aluminum and oxygen impurities in them. The intense blue emission of the crystals is caused by the high-resistance layer, in which oxygen concentrates, while aluminum is completely bound to the oxygen. The emission is caused by the annihilation of localized excitons. The low-resistance layers with the weak blue luminescence are intercalations of oxygen-depleted Al-doped ZnS. ZnS crystals containing Al and O in equal concentrations are stable.
- Research Organization:
- Moscow Energy Institute
- OSTI ID:
- 5698991
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 21:7; ISSN INOMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602 -- Other Materials-- Structure & Phase Studies
360603* -- Materials-- Properties
ALUMINIUM
ANNIHILATION
BASIC INTERACTIONS
CATHODOLUMINESCENCE
CHALCOGENIDES
CHEMICAL BONDS
COLOR CENTERS
CRYSTAL DEFECTS
CRYSTAL DOPING
CRYSTAL STRUCTURE
CRYSTALLIZATION
CRYSTALS
DOPED MATERIALS
ELECTROMAGNETIC INTERACTIONS
ELECTRON MICROSCOPY
ELEMENTS
EXCITONS
INORGANIC PHOSPHORS
INTERACTIONS
LUMINESCENCE
MATERIALS
METALLURGICAL EFFECTS
METALS
MICROSCOPY
MONOCRYSTALS
NONMETALS
OXYGEN
PHASE TRANSFORMATIONS
PHOSPHORS
POINT DEFECTS
QUASI PARTICLES
SCANNING ELECTRON MICROSCOPY
SPECTRA
SULFIDES
SULFUR COMPOUNDS
ULTRAVIOLET SPECTRA
VACANCIES
ZINC COMPOUNDS
ZINC SULFIDES
360602 -- Other Materials-- Structure & Phase Studies
360603* -- Materials-- Properties
ALUMINIUM
ANNIHILATION
BASIC INTERACTIONS
CATHODOLUMINESCENCE
CHALCOGENIDES
CHEMICAL BONDS
COLOR CENTERS
CRYSTAL DEFECTS
CRYSTAL DOPING
CRYSTAL STRUCTURE
CRYSTALLIZATION
CRYSTALS
DOPED MATERIALS
ELECTROMAGNETIC INTERACTIONS
ELECTRON MICROSCOPY
ELEMENTS
EXCITONS
INORGANIC PHOSPHORS
INTERACTIONS
LUMINESCENCE
MATERIALS
METALLURGICAL EFFECTS
METALS
MICROSCOPY
MONOCRYSTALS
NONMETALS
OXYGEN
PHASE TRANSFORMATIONS
PHOSPHORS
POINT DEFECTS
QUASI PARTICLES
SCANNING ELECTRON MICROSCOPY
SPECTRA
SULFIDES
SULFUR COMPOUNDS
ULTRAVIOLET SPECTRA
VACANCIES
ZINC COMPOUNDS
ZINC SULFIDES