Optical spectroscopy investigation on distribution of Eu{sup 3+} in nanostructured glass ceramics

Journal Article · Sat May 15 00:00:00 EDT 2010 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3402458· OSTI ID:21476179

Yunlong, Yu; Fangyi, Weng; Daqin, Chen; Ping, Huang; Yuansheng, Wang ^[1]

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1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)

The time-resolved luminescence spectra of the Eu{sup 3+} doped SiO{sub 2}-Al{sub 2}O{sub 3}-NaF-YF{sub 3}-EuF{sub 3} precursor glass reveal that Eu{sup 3+} ions locate in both the oxygen-coordination environment and the fluorine-coordination one. After crystallization induced by heat treatment, the orthorhombic YF{sub 3} nanocrystals with mean size of 22 nm embedded homogeneously in the glassy matrix. The Stark splitting emission, the low electric dipole {sup 5}D{sub 0}{yields}{sup 7}F{sub 2} transition, the disappearance of the O{sup 2-}-Eu{sup 3+} charge transfer band and the reduction in {Omega}{sub 2} value indicate the partition of Eu{sup 3+} into the YF{sub 3} lattice. Moreover, the nearly single-exponential luminescence decay curves of the Eu{sup 3+}:{sup 5}D{sub 0} and {sup 5}D{sub 1} levels for the 0.1%Eu{sup 3+} doped glass ceramic evidence that Eu{sup 3+} ions mainly occupy the Y{sup 3+} sites.

• OSTI ID: 21476179
• Journal Information: Journal of Applied Physics, Vol. 107, Issue 9; Other Information: DOI: 10.1063/1.3402458; (c) 2010 American Institute of Physics; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM OXIDES
CERAMICS
CRYSTALLIZATION
DOPED MATERIALS
EMISSION SPECTROSCOPY
EUROPIUM FLUORIDES
EUROPIUM IONS
GLASS
HEAT TREATMENTS
MATRIX MATERIALS
NANOSTRUCTURES
ORTHORHOMBIC LATTICES
OXYGEN IONS
PHOTOLUMINESCENCE
SILICON OXIDES
SODIUM FLUORIDES
STARK EFFECT
TIME RESOLUTION
YTTRIUM FLUORIDES
YTTRIUM IONS
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
CHALCOGENIDES
CHARGED PARTICLES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
EMISSION
EUROPIUM COMPOUNDS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
IONS
LUMINESCENCE
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOTON EMISSION
RARE EARTH COMPOUNDS
RESOLUTION
SILICON COMPOUNDS
SODIUM COMPOUNDS
SPECTROSCOPY
TIMING PROPERTIES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS