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<strong>Thermoluminescence studies of CaSO4: Eu nanophosphor for electron dosimetry</strong>

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Title Statement <strong>Thermoluminescence studies of CaSO4: Eu nanophosphor for electron dosimetry</strong>
 
Added Entry - Uncontrolled Name Mandlik, Nandkumar T; Department of Physics, Ferguson College, Pune
Bhoraskar, Vasant N; Department of Physics, SP Pune University, Pune 411007
Patil, Bhushankumar J; Department of Physics, Abasaheb Garware College, Pune, 411004
Sahare, P D; Department of Physics and Astrophysics, University of Delhi, Delhi
Dhole, Sanjay D; Department of Physics, University of Pune, Pune 411 007, India
Dahiwale, S S ; bDepartment of Physics, S P Pune University, Pune 411 007, India
 
Uncontrolled Index Term Radiation Physics
Thermoluminescence; Nanophosphor; Deconvolution; Radiation Dosimetry
 
Summary, etc. Sample of CaSO<sub>4</sub>: Eu nanophosphor has been synthesized by chemical co-precipitation method and irradiated with 6.5 MeV electrons over the fluence range from 5×10<sup>14</sup> to 4×10<sup>15 </sup> e/cm<sup>2</sup>. The as-synthesized sample has been characterized by the XRD and TEM. The TEM image reveals that the nanocrystallites are in the form of nanorods of length 75 to 125 nm, with varying diameter of 10 to 20 nm. The XRD yields an average grain size ~15 nm, with hexagonal structure. The electron irradiated samples exhibit the thermoluminescence glow curve with a single peak at 162 °C. Moreover, the TL peak intensity increases with the increase in electron fluence and saturates beyond 3×10<sup>15 </sup> e/cm<sup>2</sup>. Moreover, TL glow curves have been theoretically fitted using computerized glow curve deconvolution (CGCD) method to determine trapping parameters. The results indicate that CaSO<sub>4</sub>: Eu can be used as a dosimeter for 6.5 MeV electrons over dose range from 15-80 kGy.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2017-06-20 13:27:52
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/7527
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 55, ##issue.no## 6 (2017): Indian Journal of Pure & Applied Physics
 
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