Synthesis and luminescent properties of Gd/sub 2/( /SUB 1-x/ )Nd /SUB 2x/ MgTiO/sub 6/ solid solutions
Journal Article
·
· Inorg. Mater. (Engl. Transl.); (United States)
OSTI ID:5632665
The Ln/sub 2/M /SUB g/ TiO6 compounds (Ln = rare earth element) produced in this study crystallize in a perovskite-derived structure. The system Gd/sub 2/M /SUB g/ TiO/sub 6/-Nd/sub 2/M /SUB g/ TiO/sub 6/ was chosen for study of Nd/sup 3 +/ ions in this crystal matrix. Luminescence of the neodymium ions was excited by radiation from a LGI-21 nitrogen laser having a wave length of 0.337 ..mu..m. The luminescence spectra were recorded with a MDR-2 monochromator. The luminescence spectra of neodymium in the region 0.84 to 0.92 ..mu..m and the /sup 4/I/sub 9//2 ..-->.. /sup 4/F/sub 3//2 absorption spectra are shown. A Stark energy-level splitting diagram was constructed based on the analyses of the luminescence and absorption spectra. This is compatible with the local/site symmetry occupied by a neodymium ion in the Gd/sub 2/(1-x)Nd /SUB 2x/ mgTiO/sub 6/(C/sub 1/) structure.
- Research Organization:
- M.V. Lomonosov Moscow State Univ.
- OSTI ID:
- 5632665
- 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
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CRYSTAL STRUCTURE
CRYSTALLIZATION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
LASER RADIATION
LUMINESCENCE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MIXTURES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOTOLUMINESCENCE
RADIATIONS
RARE EARTH COMPOUNDS
SOLID SOLUTIONS
SOLUTIONS
SPECTRA
SPECTROPHOTOMETRY
STARK EFFECT
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
ABSORPTION SPECTRA
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CRYSTAL STRUCTURE
CRYSTALLIZATION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
LASER RADIATION
LUMINESCENCE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MIXTURES
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOTOLUMINESCENCE
RADIATIONS
RARE EARTH COMPOUNDS
SOLID SOLUTIONS
SOLUTIONS
SPECTRA
SPECTROPHOTOMETRY
STARK EFFECT
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS