High-quantum efficiency long-lived luminescing refractory oxides
Patent
·
OSTI ID:6678033
A crystal having a high-quantum efficiency and a long period of luminescence is formed of an oxide selected from the group consisting of magnesium oxide and calcium oxide and possessing a concentration ratio of H-ions to F centers in the range of about 0.05 to about 10.
- Assignee:
- Dept. of Energy
- Patent Number(s):
- US 4427570
- OSTI ID:
- 6678033
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CONTROL
CRYSTALS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HEATING
LUMINESCENCE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MECHANICS
OXIDES
OXYGEN COMPOUNDS
POWDERS
PROCESS CONTROL
PRODUCTION
QUANTUM MECHANICS
REFRACTORIES
TEMPERATURE GRADIENTS
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CONTROL
CRYSTALS
ENERGY-LEVEL TRANSITIONS
EXCITATION
HEATING
LUMINESCENCE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MECHANICS
OXIDES
OXYGEN COMPOUNDS
POWDERS
PROCESS CONTROL
PRODUCTION
QUANTUM MECHANICS
REFRACTORIES
TEMPERATURE GRADIENTS