Exited states of the luminescence centers in tungstate crystals |
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| Authors: | TN Nikolaenko YuA Hizhnyi SG Nedilko |
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| Institution: | 1. Departamento de Física de Materiales, Universidad Autónoma de Madrid, 28049 Madrid, Spain;2. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Cientificas, 28049 Madrid, Spain;3. Departamento de Física de Materiales, Universidad Autónoma de Madrid, 28049 Madrid, Spain |
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| Abstract: | The electronic structures of luminescence centers in ZnWO4, ZnWO4:Mo, and ZnWO4:Cd crystals are calculated by the configuration interaction method using embedded cluster approach. Dependencies of energies of the ground and excited electronic states of the centers on vibration coordinates are computed. The energies and oscillator strengths of radiative transitions in the luminescence centers of regular and doped zinc tungstate crystals are obtained. Formation of emission spectra of ZnWO4, ZnMoO4, and CdWO4 are analyzed using results of the calculations. |
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