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|Title: ||Luminescent studies of impurity doped SrS phosphors|
|Authors: ||SINGH, V|
|Keywords: ||calcium sulfide|
|Issue Date: ||2005|
|Publisher: ||INDIAN ACADEMY SCIENCES|
|Citation: ||BULLETIN OF MATERIALS SCIENCE, 28(1), 31-34|
|Abstract: ||SrS phosphors activated with Ce and Dy ions were prepared by solid-state diffusion method. Photoluminescent study was carried out on SrS : Ce, SrS : Dy and SrS : Dy, Ce. Thermoluminescence and electron spin resonance studies were also carried out on SrS : Dy phosphor. The thermoluminescence glow curve shows a peak at around 142degreesC. Irradiated SrS : Dy exhibits an ESR line due to a defect centre. Thermal annealing behaviour indicates that this centre correlates with the TL peak at 142degreesC. The centre is characterized by an isotropic g-value of 2.0039 and is assigned to a F+ centre.|
|Appears in Collections:||Article|
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