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Scintillation and TSL properties of Tb-doped NaPO 3 -Al(PO 3 ) 3 glasses

Radiation Measurements, ISSN: 1350-4487, Vol: 117, Page: 52-56
2018
  • 33
    Citations
  • 0
    Usage
  • 17
    Captures
  • 0
    Mentions
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Metrics Details

  • Citations
    33
    • Citation Indexes
      33
  • Captures
    17

Article Description

We synthesized NaPO 3 -Al(PO 3 ) 3 glasses with different concentrations of Tb (0.3, 1.0, 3.0 and 10.0 mol%) by the conventional melt-quenching technique. After the synthesis, their photoluminescence (PL), scintillation and TSL properties were characterized systematically. All the glass samples showed intense PL and scintillation having a spectrum of sharp peaks at around 490, 540, 590 and 620 nm due to the 4f-4f transitions of Tb 3+. The intensities of PL and scintillation were the highest for the 10.0% Tb-doped glass among the samples investigated. In thermally-stimulated luminescence (TSL), the intensity was the highest for the 1.0% Tb-doped sample. We also demonstrated dose response of TSL, and the 0.3% and 1.0% Tb-doped samples exhibited a linear response to X-ray dose over a dose range of 10–10000 mGy.

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