- Tytuł:
- Fluorescence Processes and Scintillation of CeF$\text{}_{3}$ Crystal Excited by UV and X-Ray Synchrotron Radiation
- Autorzy:
-
Pédrini, C.
Belsky, A. N.
Moine, B.
Bouttet, D. - Powiązania:
- https://bibliotekanauki.pl/articles/1929797.pdf
- Data publikacji:
- 1993-11
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
71.35.+z
78.55.Hx
78.70.En - Opis:
- Photoluminescence properties of CeF$\text{}_{3}$ have been investigated. Two kinds of emitting centers have been identified: regular Ce$\text{}^{3+}$ sites exhibiting two close emission bands (285 and 300 nm) and a fast fluorescence (20 ns) and several physically different perturbed Ce$\text{}^{3+}$ sites giving rise to a broad emission band near 340 nm and a longer fluorescence (30-40 ns) the decay time of which varies with wavelength. An energy transfer occurs between these two kinds of centers. Scintillation properties have been studied under UV and X-ray excitation. The additional fast decay always observed at short time under ionizing radiation is interpreted by a temperature dependent luminescence quenching phenomenon due to high excitation density.
- Źródło:
-
Acta Physica Polonica A; 1993, 84, 5; 953-957
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł