Study of the thermoluminescent characteristics of ceramic roof tiles exposed to beta radiation

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In this work, thermoluminescence (TL) characteristics of roof tile ceramic samples previously exposed to beta radiation are reported for the very first time. TL measurements were carried out using powdered samples obtained by the the fine-grained method, with grain size ranged from 300 ran to 5 μm. Characteristic thermoluminescence glow curves showed a complex structure with a dosimetric maximum located at ∼ 200°C. TL response of roof tile samples increases as the radiation dose increases in the 25 Gy to 1.6 kGy range. One response showed a linear behaviour, with no evidence of saturation within the dose interval investigated. The entire TL glow curve exhibited a remarkable reusability during 10 consecutive irradiation-TL readout cycles. The total TL signal showed a very low fading and remained almost constant after 3 h of irradiation and the corresponding TL readout. TL dosimetry features of powdered roof tile place it as a promising material in retrospective dosimetry as well as in possible TL dating applications.

Original languageEnglish
Title of host publicationStructural and Chemical Characterization of Metals, Alloys and Compounds - 2012
Number of pages7
StatePublished - 2013
Event21st International Materials Research Congress, IMRC 2012 - Cancun, Mexico
Duration: 12 Aug 201217 Aug 2012

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference21st International Materials Research Congress, IMRC 2012


  • Ceramic
  • Grain size
  • Radiation effects
  • Scanning electron microscopy (SEM)
  • Structure


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