Luminescence of europium ions in lanthanum-magnesium hexaaluminate

Journal Article · Tue Apr 01 00:00:00 EST 1986 · Sov. Phys. J. (Engl. Transl.); (United States)

OSTI ID:6815231

Bykovskii, P I; Batsulo, I B; Pisarenko, V F; Suyatin, B D

For the first time, the photoluminescence of Eu/sup 3 +/ ions in hexagonal lanthanum-magnesium aluminate is studied. The concentration and temperature dependences of the luminescence intensity and the structure of the spectra of La /SUB 1-x/ Eu /SUB x/ Mg /SUP ./ Al/sub 11/O/sub 19/ for X = 0.01-1.0 were also studied. The existence of several types of luminescence centers (LC) was established. Under excitation, predominantly high-symmetry LC (D /SUB 3h/ ) are manifested in the charge-transfer band in the luminescence spectra. A group theoretical analysis of the structure of the luminescence spectra of Europium for possible LC in hexaaluminate with the structural type of magnetoplumbite (space group P6/sub 3//mmc) is carried out.

• Research Organization: Kuban State Univ.
• OSTI ID: 6815231
• Journal Information: Sov. Phys. J. (Engl. Transl.); (United States), Vol. 28:10
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
EUROPIUM COMPOUNDS
PHOTOLUMINESCENCE
ALUMINIUM OXIDES
ENERGY YIELD
EXCITATION
EXCITED STATES
HEXAGONAL LATTICES
LANTHANUM OXIDES
MAGNESIUM OXIDES
PHYSICAL PROPERTIES
QUANTITY RATIO
QUANTUM ELECTRODYNAMICS
TEMPERATURE DEPENDENCE
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
ELECTRODYNAMICS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
FIELD THEORIES
LANTHANUM COMPOUNDS
LUMINESCENCE
MAGNESIUM COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
QUANTUM FIELD THEORY
RARE EARTH COMPOUNDS
YIELDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
645400 - High Energy Physics- Field Theory