This letter presents optical spectra of EL?+ in nanocrystalline Eu,O, and Eu3+: Y203. The nanocrystalline particles condense in the monoclinic crystal structure after CO,-laser vaporization of metal oxide ceramics. The spectra of 14 nm Eu,O, particles have the same sharp lines as do micrometer-size
β¦ LIBER β¦
Observation of Eu2+ in Y2O2S:Eu3+ and Y2O2S:Eu3+, Tb3+
β Scribed by S.H. Park; S.I. Mho; C.H. Kim; B.S. Jeong; H.L. Park
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 231 KB
- Volume
- 83
- Category
- Article
- ISSN
- 0038-1098
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Preparation and Fluorescence Spectroscopy of Bulk Monoclinic Eu 3+ :Y 2 O 3 and Comparison to Eu 3+ :Y 2 O 3 Nanocrystals. -Bulk monoclinic Eu 3+ :Y 2 O 3 is prepared by a high-temperature, high-pressure synthesis from Y(NO 3 ) 3 β’6H 2 O and Eu 2 O 3 . It has sharp spectral lines without the line b