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Optical centers of europium and ytterbium ions in aluminum garnets

Journal Article · · Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:6337048
; ;
The Bridgman method was used to grown single crystals of aluminum garnet with europium and ytterbium and elements of a stable tetravalent state (Zr, Hf, or Si). The latter impurity compositions assure the reproducibility of crystal optical properties and a high intensity of coloration. The rules of shift of absorption bands, dependent on the presence of europium and ytterbium ions in the crystals (on substitution of c cations in the garnet host), enable the observed bands to be related to the permitted dipole interconfigurational transitions 4f/sup 14/(/sup 1/S/sub 0/) ..-->.. 4f/sup 13/5d of Yb/sup 2 +/ and 4f/sup 7/(/sup 8/S/sub 7/2/) ..-->.. 4f/sup 6/(/sup 7/F)5d of Eu/sup 2 +/.
OSTI ID:
6337048
Journal Information:
Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 24:3; ISSN INOMA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ABSORPTION SPECTRA
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANGULAR MOMENTUM
BRIDGMAN METHOD
CHALCOGENIDES
COLOR
COLOR CENTERS
CONFIGURATION INTERACTION
CRYSTAL DEFECTS
CRYSTAL FIELD
CRYSTAL GROWTH METHODS
CRYSTAL STRUCTURE
CRYSTALS
DIPOLES
DYSPROSIUM COMPOUNDS
DYSPROSIUM OXIDES
ELECTRIC DIPOLES
ELECTRONIC STRUCTURE
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
FINE STRUCTURE
FORBIDDEN TRANSITIONS
IONIC CRYSTALS
LATTICE PARAMETERS
LINE WIDTHS
MULTIPOLES
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
POINT DEFECTS
RARE EARTH COMPOUNDS
SPECTRA
SPECTRAL SHIFT
SPIN
THULIUM COMPOUNDS
THULIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
VACANCIES
VALENCE
WAVELENGTHS
YTTERBIUM COMPOUNDS
YTTERBIUM OXIDES
YTTRIUM COMPOUNDS
YTTRIUM OXIDES