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Optically and thermally stimulated luminescence of KMgF3:Ce3 and NaMgF3:Ce3+.

Abstract : The potentialities of optically stimulated luminescence (OSL) for personal dosimetry of ionising radiation have stimulated the search for new synthetic materials with good dosimetric properties. The sensitivity of two new OSL materials KMgF3 and NaMgF3 doped with Ce3+ ions has been evaluated and found to be of the same order of magnitude as that of Al2O3:C. Several other characteristics have also been investigated. Promising results for KMgF3:Ce are the high sensitivity and the low fading. However, this material suffers from a high self-dose due to the presence of 40K. NaMgF5:Ce is sensitive as well but shows strong fading. Interesting information on the mechanism has been obtained by correlating the signals of OSL and TL. Furthermore, the different bleachabilities under blue LED illumination of the strongly overlapping glow peaks allowed the extraction of one single peak for KMgF3:Ce3+. The results demonstrate new possibilities offered by the combination of TL and OSL.
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Contributor : Stéphane Toulin <>
Submitted on : Wednesday, April 24, 2013 - 4:37:39 PM
Last modification on : Thursday, January 11, 2018 - 6:15:07 AM


  • HAL Id : hal-00817480, version 1
  • PUBMED : 12382866



N. J. M. Le Masson, A. J. J. Bos, C. W. E. van Eijk, Claudio Furetta, Jean-Pierre Chaminade. Optically and thermally stimulated luminescence of KMgF3:Ce3 and NaMgF3:Ce3+.. Radiation Protection Dosimetry, Oxford University Press (OUP), 2002, 100 (1-4), pp.229-234. ⟨hal-00817480⟩



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