Abstract
The main dosimetric properties are reported of a new perovskite, LiMgF3, doped with Ce, Er and Dy impurities. An annealing temperature of 400°C for one hour is necessary to erase any previous signal and to stabilise its sensitivity. A readout up to 450°C gives the same result. The glow curve structure consists of two intense and isolated glow peaks at 170°C and 315°C. The sensitivity of both glow peaks to beta irradiation increases as the dopant concentration increases. The sensitivity is higher than that of LiF:Mg,Ti using the glow peaks 4+5 integral. Other properties like TL dose response, fading, sensitivity versus successive readout and ammealing cycles, sensitivity versus the heating rate, sensitivity to light and trapping parameter evaluation were also carried out.
| Original language | English |
|---|---|
| Pages (from-to) | 247-250 |
| Number of pages | 4 |
| Journal | Radiation Protection Dosimetry |
| Volume | 100 |
| Issue number | 1-4 |
| DOIs | |
| State | Published - 1 Jan 2002 |
| Externally published | Yes |
ASJC Scopus subject areas
- Radiation
- Radiological and Ultrasound Technology
- Radiology Nuclear Medicine and imaging
- Public Health, Environmental and Occupational Health