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Luminescence and defect studies of Ce3+ doped CaS phosphor synthesized via solid state diffusion method

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Title Luminescence and defect studies of Ce3+ doped CaS phosphor synthesized via solid state diffusion method
 
Creator SINGH, V
RAO, TKG
ZHU, JJ
TIWARI, M
 
Subject calcium sulfide phosphors
zns nanoparticles
materials science
thin-films
electroluminescent
nanocrystals
clusters
matter
cds
luminescence
doping
phosphors
field-condensed matter and material physics
 
Description Cerium dope CaS phosphor has been successfully prepared by solid state diffusion method. The phosphor is characterized by X-ray powder diffraction, transmission electron microscopy, selected area electron diffraction, thermogravimetric analysis and photoluminescence. Thermoluminescence and electron spin resonance studies also have been carried out on CaS:Ce phosphor. Irradiated CaS:Ce exhibits electron spin resonance (ESR) lines due to defect centres. The thermal annealing behaviour of one of the defect centres appears to correlate with the thermoluminescence (TL) peak at 135 degrees C. The centre is characterized by an isotropic g-value of 2.0036 and is assigned to a F+ centre. (c) 2006
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-28T11:32:54Z
2011-12-26T12:59:14Z
2011-12-27T05:50:18Z
2011-07-28T11:32:54Z
2011-12-26T12:59:14Z
2011-12-27T05:50:18Z
2006
 
Type Article
 
Identifier MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 131(1-3), 195-199
0921-5107
http://dx.doi.org/10.1016/j.mseb.2006.04.015
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7390
http://hdl.handle.net/10054/7390
 
Language en