Électroluminescence de couches minces de CdF2: Mn et CdF2: LnF3 |
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| Authors: | J. Benoit P. Benalloul B. Blanzat |
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| Affiliation: | Laboratoire de Luminescence II (Equipe de Recherche associée au CNRS), Université P. et M. Curie, 4 place Jussieu, 75230 Paris Cédex 05, France;Laboratoire des Terres Rares du CNRS, 1 place Aristide Briand, 92190 Meudon-Bellevue, France |
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| Abstract: | The electroluminescence of thin films of CdF2 was observed using an MISM structure (CdF2:Mn, CdF2:LnF3). The use of the Eu3+ ion as an optical structural probe suggests Oh and Cnv symmetries for the Ln3+ site. The addition of Na+ induces a long range charge compensation following which only the Oh point symmetry is observed. |
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