- Tytuł:
- Luminescence properties of Ce3+ and Eu2+ in fluorites and apatites
- Autorzy:
- Bodył, Sabina
- Powiązania:
- https://bibliotekanauki.pl/articles/2086484.pdf
- Data publikacji:
- 2009
- Wydawca:
- Polskie Towarzystwo Mineralogiczne
- Tematy:
-
fluorite
apatite
REE
luminescence - Opis:
- Natural samples of fluorite and apatite from granites, pegmatites, carbonatites and andesitic tuffs were investigated by steady-time spectroscopy to characterize the luminescence properties of Ce3+ and Eu2+. The luminescence of Ce3+ has been clearly seen in fluorite as 320 and 337 or 343 nm bands. In apatites, two distinct bands for two different Ca crystal sites were obtained: 340–380 nm for Ca(1) and 420–450 nm for Ca(2). The luminescence spectra of Eu2+ in the fluorite crystals were measured even at for low concentration of this element (0.11 ppm). For Ce3+, it has been showed that the crystal field strength depends more on the nature of the ligand than on the Me-ligand distances.
- Źródło:
-
Mineralogia; 2009, 40, 1/4; 85--94
1899-8291
1899-8526 - Pojawia się w:
- Mineralogia
- Dostawca treści:
- Biblioteka Nauki
Artykuł