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

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Abstract

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. © 2012 Materials Research Society.
Original languageAmerican English
Pages89-95
Number of pages7
DOIs
StatePublished - 28 May 2013
EventMaterials Research Society Symposium Proceedings -
Duration: 28 May 2013 → …

Conference

ConferenceMaterials Research Society Symposium Proceedings
Period28/05/13 → …

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