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Luminescence and energy transfer in Y2O3 CO-doped with Bi3+ and Eu3+ |
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| Authors: | Su Qiang C Barthou JP Denis F Pelle B Blanzat |
| Institution: | Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, People''s Republic of China;Laboratoire de Chimie et de Physico-Chimie Minérale, E.C.A.M., Grande Voie des Vignes, 92290 Châtenay-Malabry, France |
| Abstract: | The emission spectra and decay times of the Y2O3 CO-doped with Bi3+ and Eu3+ have been investigated using site-selective excitation and time-resolved spectroscopy in the temperature range 8–296 K. Evidence for an energy transfer from Eu3+(S6) to Eu3+(C2) is given. The critical transfer distance R0 = 8.6 Å was found from the decay curve. |
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