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IJPAP Vol.47(06) [June 2009] >


Title: Thermally stimulated luminescence studies of undoped, Cu and Mn doped BaSO4 compounds
Authors: Manam, J
Das, S
Keywords: Thermally stimulated luminescence
XRD
FTIR
Issue Date: Jun-2009
Publisher: CSIR
Abstract: Thermally stimulated luminescence (TSL) of undoped and doped BaSO4 with activators such as Cu and Mn has been investigated. The polycrystalline samples of undoped and doped BaSO4 are prepared by melting method. The formation of BaSO4 compound is confirmed by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) studies. Comparison of TL intensity of the most intensive glow peak of Cu doped BaSO4 compound with that of undoped BaSO4 shows that addition of Cu impurity in BaSO4 compound enhances the TL intensity by about 9 times. However, the addition of Mn impurity to undoped BaSO4 increases the TL intensity by about three times when compared with that of undoped BaSO4. Among the studied samples namely undoped, Cu and Mn doped BaSO4; Cu-doped BaSO4 has been found to be the most sensitive.
Page(s): 435-438
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.47(06) [June 2009]

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