Athanassios G. Kontos,1 Giorgos Tsaknakis,1 Alexandros D. Papayannis,1 Eduardo Landulfo,2 Sonia L. Baldochi,2 Eduardo A. Barbosa,2 Nielson D. Viera Jr.2
1National Technical Univ. of Athens (Greece) 2Instituto de Pesquisas Energeticas e Nucleares (Brazil)
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The crystal field environment of the Ce+3 dopant in LiSrAlF6 (LiSAF) crystals has been studied by the Electron Spin Resonance (ESR) spectroscopic technique. Ce was found in a highly anisotropic trigonal environment which suggests that it substitutes for the Sr site. Na+ ions operate as charge compensators to Ce+3 possessing nearby to Ce, Sr sites. The ground state electronic wavefunction and the energy diagram of Ce are discussed in view of our ESR results.
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Athanassios G. Kontos, Giorgos Tsaknakis, Alexandros D. Papayannis, Eduardo Landulfo, Sonia L. Baldochi, Eduardo A. Barbosa, Nielson D. Viera Jr., "An ESR study of a Ce3+:Na+:LiSrAlF6 single crystal," Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); https://doi.org/10.1117/12.519085