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A Survey of a Group of Phosphors, Based on Hexagonal Aluminate and Gallate Host Lattices
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1974
Year
Optical MaterialsEngineeringGood Temperature DependenceHexagonal AluminateChemistryLuminescence PropertyPhosphorescence ImagingOptical PropertiesPhosphoreneCrystal FormationHexagonal AluminatesMaterials SciencePhotoluminescenceGallate Host LatticesPhotochemistryCrystal MaterialPhotonic MaterialsOptoelectronic MaterialsCrystallographyCrystal Structure DesignSolid-state LightingPhotoluminescent MaterialsFunctional MaterialsPhosphorescence
A group of photoluminescent materials, which may have great influence on future fluorescent lamp development, is surveyed. The materials are based on hexagonal aluminates and gallates which are structurally related to the magnetoplumbites and (β‐alumina. When activated with Mn2+, Eu2+, Tl2+, Ce3+ , and Tb3+ , or combinations of these ions, they are phosphors, some of them having a high efficiency and good temperature dependence.