Na/sub 4/Nb(PO/sub 4/)/sub 3/, a material with a reversible crystal-glass transformation: structural and optical comparison
Journal Article
·
· J. Solid State Chem.; (United States)
The phosphate Na/sub 4/Nb(PO/sub 4/)/sub 3/ exhibits a reversible crystal-phase change. Raman and optical investigations give evidence of the similarity between the covalent skeleton of the Nasicon-like crystalline phosphate and the network of the glass. Both types of materials contain octahedral NbO/sub 6/ groups with various Nb-O lengths. It is shown for the neodymium-doped glasses that these structural features induce a strong self concentration quenching of the Nd/sup 3 +/ emission.
- Research Organization:
- Universite de Bordeaux, Talence (France)
- OSTI ID:
- 6722531
- Journal Information:
- J. Solid State Chem.; (United States), Journal Name: J. Solid State Chem.; (United States) Vol. 74:2; ISSN JSSCB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360602 -- Other Materials-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CRYSTAL DOPING
CRYSTAL STRUCTURE
DATA
DOPED MATERIALS
ELECTRON SPIN RESONANCE
EXPERIMENTAL DATA
INFORMATION
LASER SPECTROSCOPY
MAGNETIC RESONANCE
MATERIALS
NIOBIUM COMPOUNDS
NIOBIUM PHOSPHATES
NUMERICAL DATA
OPTICAL PROPERTIES
ORDER-DISORDER TRANSFORMATIONS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
RAMAN SPECTROSCOPY
REFLECTIVITY
REFRACTORY METAL COMPOUNDS
RESONANCE
SODIUM COMPOUNDS
SODIUM PHOSPHATES
SPECTROSCOPY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS
360602 -- Other Materials-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CRYSTAL DOPING
CRYSTAL STRUCTURE
DATA
DOPED MATERIALS
ELECTRON SPIN RESONANCE
EXPERIMENTAL DATA
INFORMATION
LASER SPECTROSCOPY
MAGNETIC RESONANCE
MATERIALS
NIOBIUM COMPOUNDS
NIOBIUM PHOSPHATES
NUMERICAL DATA
OPTICAL PROPERTIES
ORDER-DISORDER TRANSFORMATIONS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
RAMAN SPECTROSCOPY
REFLECTIVITY
REFRACTORY METAL COMPOUNDS
RESONANCE
SODIUM COMPOUNDS
SODIUM PHOSPHATES
SPECTROSCOPY
SURFACE PROPERTIES
TRANSITION ELEMENT COMPOUNDS