MgF2 Optical Ceramics
Lisitsyna L.A. Suleimen R.N. Mussakhanov D.A.
May 2021Springer
Russian Physics Journal
2021#64Issue 174 - 81 pp.
Results of studies of the luminescent properties of MgF2 ceramics and MgF2 ceramics doped with tungsten trioxide synthesized in air upon exposure to a pulsed electron beam are presented. The photo- and cathodoluminescence spectra and the photoluminescence excitation spectra have been studied at 300 K both in as-prepared samples and in the samples after high-temperature annealing in air. The presence of luminescent centers of two types has been discovered: the electron color centers with the parameters similar to those in the MgF2 crystal structure and the emitting centers of the W–O–Va impurity type. The formation of the additional MgO phase in the annealed ceramics is observed.
cathodoluminescence , ceramics , color centers , high-temperature annealing , magnesium oxide , photoluminescence , tungsten trioxide
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Tomsk State University of Architecture and Building, Tomsk, Russian Federation
L. N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan
National Research Tomsk Polytechnic University, Tomsk, Russian Federation
Tomsk State University of Architecture and Building
L. N. Gumilyov Eurasian National University
National Research Tomsk Polytechnic University
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