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Infrared luminescence and thermoluminescence of lithium borate glasses doped with Sm3+ ions

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Thermoluminescence (TL) characteristics of X-ray irradiated pure and doped with Sm3>/sup>+ ions Li2O–MO–B sub>2O sub>3 (where MO=Z sub>nO, CaO, CdO) glasses have been studied in the temperature range of 303 to 573 K. All the pure glasses exhibited single TL peaks at 382 K, 424 K and 466 K. When these glasses were doped with Sm3+ ions no additional peaks have been observed but the glow peak temperature of the existing glow peak shifted gradually towards higher temperatures with gain in intensity of TL light output. The area under the glow curve was found to be maximum for Sm3+ doped glasses mixed with cadmium oxide as a modifier. The trap depth parameters associated with the observed TL peaks have been evaluated using Chen’s formulae. The possible use of these glasses in radiation dosimetry has been described. The results clearly showed that samarium doped cadmium borate glass has a potential to be considered as a thermoluminescence dosimeter.
Słowa kluczowe
Wydawca
Rocznik
Strony
144--151
Opis fizyczny
Bibliogr. 39 poz., rys., tab.
Twórcy
autor
  • Department of Physics, The University of Dodoma, Tanzania
  • Department of Physics, Geethanjali College of Engineering & Technology, Keesara, RR Dist., 501 301, TS., India
  • Department of Physics, The University of Dodoma, Tanzania
autor
  • Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur, 522 510, AP., India
autor
  • Department of Physics, Osmania University, Hyderabad, 500007,TS., India
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-a8ff083a-1c6d-46f3-9a8b-ccf63426a54b
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