Identification of ESR centers and their role in the TL of natural salt from Lluta, Peru
Applied Radiation and Isotopes, ISSN: 0969-8043, Vol: 182, Page: 110126
2022
- 3Citations
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Article Description
In this study, the thermoluminescence (TL) properties of natural NaCl from Lluta, Arequipa-Peru was investigated. The number of peaks and the kinetic parameters associated with the TL glow peaks of NaCl sample after gamma-irradiation were analyzed by initial rise and deconvolution method. Defect centers induced in pure salt by gamma irradiation have been studied by electron spin resonance (ESR) with a view to identify the centers associated with the TL process in the salt. Thermal annealing experiments indicate the presence of three defect centers. Center I characterized by the g -value 2.011 is identified as an O − ion and relates with the dominant TL peak at 220 °C. Center II with a g -value of 2.0058 is attributed to a F center and is found to correlate with the 128 °C TL peak. Center III has of g -value 2.014 and is also assigned to an O − ion.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0969804322000288; http://dx.doi.org/10.1016/j.apradiso.2022.110126; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85123838444&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/35114478; https://linkinghub.elsevier.com/retrieve/pii/S0969804322000288; https://dx.doi.org/10.1016/j.apradiso.2022.110126
Elsevier BV
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