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|Title:||Red and infrared luminescence from tetragonal YSZ:Pr3+ single crystal fibres grown by LFZ|
|Author:||Soares, M. R. N.|
Soares, M. J.
Fernandes, A. J. S.
Costa, F. M.
|Abstract:||Single crystal fibres of Pr3+-doped tetragonal yttria stabilized zirconia were grown by the laser floating zone method. The fibres show strong red luminescence at room temperature under ultraviolet optical pumping, which is due to the transition between the 1D2 and 3H4 multiplets of the Pr3+ ion. Additionally, in the infrared spectral range main transitions were found at ∼1140 nm and 1560 nm. Their intensity ratio was shown to be dependent on the excitation wavelength, suggesting the presence of multiple Pr3+-related centres.|
|Appears in Collections:||CICECO - Artigos|
DFis - Artigos
I3N-FSCOSD - Artigos
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