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Praseodymium(III) as a sensitizer of gadolinium(III) in YOCl and GdOCl

✍ Scribed by G. Blasse; G.J. Dirksen; W.E.J. van Kooten; C.A. van Walree

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
355 KB
Volume
146
Category
Article
ISSN
0009-2614

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✦ Synopsis

The Pr3+ ion is an efficient sensitizer of the Gd3+ sublattice of GdOCI. The 4f5d excited state of Pr3+ transfers efficiently to the 61 levels of Cd'+. In YOCl the 4fSd state of Pr3+ emits in the short-wavelength ultraviolet region (250-300 nm). By using activators, like e.g. Dy3+, in the Gd3+ sublattice efficient energy transfer from Pr3+ to the activator occurs via many Gd3+ transfer steps.

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