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Cerium and terbium luminescence in LaMgAl11O19

โœ Scribed by J.M.P.J. Verstegen; J.L. Sommerdijk; J.G. Verriet


Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
355 KB
Volume
6
Category
Article
ISSN
0022-2313

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New interesting luminescent a-sialon (M (m/val+) val+ Si 12-(m+n) Al (m+n) O n N (16ร€n) ) (M=Ca, Y) materials doped with Ce, Tb, or Eu have been prepared and their luminescence properties studied. These show that Tb and Ce are in the 3+ and Eu in the 2+ state. Low-energy 4f $ 5d transitions are obse