Thermoluminescence properties of cerium and terbium doped alpha-strontium pyrophosphate
| Autor: | J.A.I. Diaz-Gongora, J. Roman-Lopez, I.B. Lozano, G. Alarcon-Flores, M. Valverde, J.I. Guzman Castañeda, M. Garcia-Hipolito |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Strontium Radiation Photoluminescence Materials science Doping Analytical chemistry chemistry.chemical_element Terbium Radioluminescence 01 natural sciences Thermoluminescence Pyrophosphate 030218 nuclear medicine & medical imaging 03 medical and health sciences Cerium chemistry.chemical_compound 0302 clinical medicine chemistry 0103 physical sciences Instrumentation |
| Zdroj: | Radiation Measurements. 129:106192 |
| ISSN: | 1350-4487 |
| DOI: | 10.1016/j.radmeas.2019.106192 |
| Popis: | In this work, cerium and terbium doped strontium pyrophosphate (Sr2P2O7:Ce3+ and Sr2P2O7:Tb3+) materials were synthesized by solvent evaporation method. X-ray diffraction (XRD) measurements confirm the formation of single and pure phase in both Ce3+ and Tb3+ doped Sr2P2O7 materials. Ce3+ (5d1 → 4f0) and Tb3+ (5D3 → 7FJ=5,4,3 and 5D4 → 7FJ=6,5,4,3) transitions are observed in the photoluminescence (PL) and radioluminescence (RL) spectra. Thermoluminescence (TL) glow curve of both Ce3+ and Tb3+ materials shows the formation of a well resolved peak 1 around 84–88 °C along with a shouldered peak 2 around 150–156 °C. Some TL properties of both Ce3+ and Tb3+ doped Sr2P2O7 materials are analyzed using the whole TL glow curve and the isolated peak 2, which was isolated by preheating the samples at 130 °C with a 2 °C/s heating rate. The isolated peak 2 of both Sr2P2O7:Ce3+ and Sr2P2O7:Tb3+ compounds shows good TL properties. |
| Databáze: | OpenAIRE |
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