Thermoluminescence and optically stimulated luminescence properties of the 0.5P₂O₅-xBaO-(0.5-x)Li₂O glass systems
Thermoluminescence and optically stimulated luminescence properties of phosphate glasses doped with BaO and Li(2)O at various concentrations were studied. Lithium-doped glasses show a broad TL peak in the 200-300°C region with poor dosimetric characteristics. Barium-doped glasses feature at least tw...
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| Veröffentlicht in: | Applied radiation and isotopes 2011-05, Vol.69 (5), p.780-784 |
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| creator | Timar-Gabor, A Ivascu, C Vasiliniuc, S Daraban, L Ardelean, I Cosma, C Cozar, O |
| description | Thermoluminescence and optically stimulated luminescence properties of phosphate glasses doped with BaO and Li(2)O at various concentrations were studied. Lithium-doped glasses show a broad TL peak in the 200-300°C region with poor dosimetric characteristics. Barium-doped glasses feature at least two TL peaks, approximately at 200 and 400°C, which were attributed to Ba(2+) ions. They also produce a fast-decaying OSL signal correlated with the lower-temperature TL peak. Responses of both TL emissions to radiation doses up to 100 Gy are linear (R² >0.99). Due to its encouraging characteristics such as acceptable batch homogeneity, good measurement reproducibility and weak signal fading, the P₂O₅-xBaO glass can be considered as a candidate material for dosimetry in the high-dose range (>10 Gy). |
| doi_str_mv | 10.1016/j.apradiso.2011.01.015 |
| format | Article |
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Lithium-doped glasses show a broad TL peak in the 200-300°C region with poor dosimetric characteristics. Barium-doped glasses feature at least two TL peaks, approximately at 200 and 400°C, which were attributed to Ba(2+) ions. They also produce a fast-decaying OSL signal correlated with the lower-temperature TL peak. Responses of both TL emissions to radiation doses up to 100 Gy are linear (R² >0.99). 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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Glass - chemistry Luminescence Materials Testing Thermoluminescent Dosimetry - instrumentation Thermoluminescent Dosimetry - methods |
| title | Thermoluminescence and optically stimulated luminescence properties of the 0.5P₂O₅-xBaO-(0.5-x)Li₂O glass systems |
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