Spectroscopic study of structural defects caused by oxygen vacancies in solid solutions of stabilized zirconium dioxide
Ryabochkina P. A. 1, Pankratov V. 2, Lomonova E E. 3, Sidorova N V. 1, Artemov S. A. 1, Gerasmov M.V 1
1Ogarev Mordovian State University, Saransk, Russia
2Institute of Solid State Physics, University of Latvia, Riga, Latvia
3Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia
Email: ryabochkina@freemail.mrsu.ru, vpank@latnet.lv, lomonova@lst.gpi.ru, ya.natalka2112@yandex.ru, sergey560113@gmail.com, gerasimov.mv12@gmail.com

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Using spectral-luminescent methods upon excitation by synchrotron radiation, structural defects caused by oxygen vacancies were revealed in ZrO2-Y2O3-Ho2O3, ZrO2-Y2O3-Er2O3, ZrO2-Y2O3 crystals. The positions of the energy levels of oxygen vacancies V+1 and V+2 located near the conduction band are determined. Keywords: zirconium dioxide, rare earth ion, oxygen vacancy, luminescence spectra, excitation spectra, synchrotron radiation.
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