Optical ceramics MgF₂ | Izvestiya vuzov. Fizika. 2021. № 1. DOI: 10.17223/00213411/64/1/64

Optical ceramics MgF₂

The results of studies of the luminescent properties of ceramics of MgF₂ and MgF₂, doped with tungsten trioxide, synthesized in air under the influence of a pulsed electron beam are presented. The photo- and cathodoluminescence spectra and the photoluminescence excitation spectra were studied at 300 K both in as-prepared samples and in the samples after high-temperature annealing in air. The presence of two types of luminescent centers in ceramics ware discovered: electron color centers with parameters similar to those in the crystal structure of MgF₂, emitting centers of the impurity type W-O-V_a, and the formation of an MgO phase in annealed ceramics.

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Keywords

ceramics, tungsten trioxide, luminescence, color centers, high-temperature annealing, magnesium oxide

Authors

Name	Organization	E-mail
Lisitsyna L.A.	Tomsk State University of Architecture and Building	lisitsyna@mail.ru
Suleimen R.N.	L.N. Gumilyov Eurasian National University	kasim_rai@mail.ru
Mussakhanov D.A.	National Research Tomsk Polytechnic University	dos_f@mail.ru

Всего: 3

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