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IJPAP Vol.47(06) [June 2009] >


Title: Thermoluminescence characteristics of MgB4O7, MgB4O7:Mn and MgB4O7:Cu phosphors
Authors: Rao, M Ramalingeswara
Rao, B Subba
Rao, N Poornachandra
Somaiah, K
Murthy, K V R
Keywords: Thermoluminescence
Phosphors
Fluorescence
Issue Date: Jun-2009
Publisher: CSIR
Abstract: The thermoluminescence (TL) characteristics of gamma irradiated MgB4O7, MgB4O7:Mn and MgB4O7:Cu phosphors have been studied in the present paper. These phosphors are tried as candidates for PDP panel phosphors. The method of preparation is a standard solid state reaction method. Thermoluminescence studies of gamma irradiated MgB4O7 show a TL peak at 225°C with TL intensity around 65 units. The introduction of 1% dopants like Mn and Cu changes the TL pattern i.e TL peak temperature shifts towards higher side at 233°C. The introduction of Cu creates a hump around 290°C.
Page(s): 456-458
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.47(06) [June 2009]

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