| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5497616 | Applied Radiation and Isotopes | 2017 | 19 Pages |
Abstract
In this work, luminescent emissions of beta-calcium pyrophosphate doped with terbium ions (β-Ca2P2O7:Tb3+) were studied. The Ca2P2O7:Tb3+ powders were prepared by precipitation and annealed at 900 °C for 2 h was applied on the powders to observe the beta phase. Radioluminescence measurements showed emission bands related with 5D3 (5D4)â7FJ transitions of Tb3+ ions. Three overlapped peaks at 126, 165 and 220 °C were observed in thermoluminescence response. A linear TL dose-response in the range of 0.2-10 Gy and an acceptable TL reproducibility were showed by the β-Ca2P2O7:Tb3+ samples exposed to 60Co gamma radiation. The TL glow curves were analyzed by Initial Rise method and Computational Glow-Curve Deconvolution assuming a General Order Kinetic model to evaluate the kinetic parameters related with the TL peaks.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
J. Roman-Lopez, I.B. Lozano, E. Cruz-Zaragoza, J.I. Guzman Castañeda, J.A.I. DÃaz-Góngora,