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    • Keywords


      Photoluminescence; thermoluminescence; radiation dosimetry.

    • Abstract


      The thermoluminescence (TL) properties of calcium aluminate (CaAl2O4) doped with different rare earth ions have been studied and their suitability for radiation dosimetry applications is discussed. It is observed that monocalcium aluminate doped with cerium is a good dosimeter having linear response up to about 4 kGy of radiation doses. Dopant concentration of 0.25 mol% cerium gives maximum TL emission. The well-defined single peak observed at 295°C can be advantageously used for high temperature dosimetry applications.

    • Author Affiliations


      K Madhukumar1 K Rajendra Babu1 K C Ajith Prasad1 J James2 T S Elias2 V Padmanabhan3 C M K Nair1

      1. Department of Physics, Mahatma Gandhi College, Thiruvananthapuram 695 004, India
      2. Regional Research Laboratory, Thiruvananthapuram 695 019, India
      3. Regional Cancer Centre, Thiruvananthapuram 695 011, India
    • Dates

  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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