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 SM ISO690:2012GUERBOUS, L., KRACHNI, O., GUITTOUM, A., TOBBECHE, S.. Evidence of presence of Ce traces in traseodymium doped lutetium and yttrium orthoborates and their influence on Pr3+ luminescence spectra. In: Moldavian Journal of the Physical Sciences, 2005, nr. 1(4), pp. 59-63. ISSN 1810-648X. |
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| Moldavian Journal of the Physical Sciences | ||||||
| Numărul 1(4) / 2005 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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| Pag. 59-63 | ||||||
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The luminescence of three compounds: LuBO3, with calcite and vaterite structures, and
YBO3 (vaterite structure) doped with Pr3 ions has been investigated. The emission was
ascribed to four spin-allowed transitions and one spin-forbidden transition from the 4f5d to
the 4f2
configuration. Two additional broad emission bands with very weak intensity at 440
and 580 nm were studied. Evidence of the presence of Ce3
traces is reported and their
influence on Pr3
luminescence is discussed. |
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