Zobrazeno 1 - 10
of 45
pro vyhledávání: '"V.A. Kravets"'
Publikováno v:
Inorganic Materials. 57:383-391
We have developed a technological scheme for the preparation of europium-activated gadolinium niobates and tantalates and related solid solutions by a sol–gel process. It has been shown that, during synthesis of crystalline powders, raising the cal
Autor:
K.N. Orekhova, G. A. Gusev, M.V. Zamoryanskaya, V. V. Vas’kevich, M. I. Moskvichev, E. V. Ivanova, V.A. Kravets
Publikováno v:
Optics and Spectroscopy. 129:245-251
The main aim of this work was to perform low-temperature synthesis of glass-ceramics with YNbO4:Eu3+ crystallites and study the structural and luminescent properties of the samples synthesized. The inclusions crystallized in the ЅіО2–Na2О–K2O
Publikováno v:
Economic and Social Changes: Facts, Trends, Forecast, Vol 12, Iss 6, Pp 197-208 (2020)
Nowadays Russian Federation is one of the world leaders according to the number of international labor migrants it receives. Russia is among the top ten countries according to the volume of remittances from foreign workers to their countries of origi
Autor:
K.N. Orekhova, M.V. Zamoryanskaya, S. M. Masloboeva, G. A. Gusev, V.A. Kravets, A. N. Trofimov, E. V. Ivanova, M. A. Yagovkina, A. A. Averin, O. B. Shcherbina
Publikováno v:
Optics and Spectroscopy. 127:1011-1017
The feasibility of synthesizing gadolinium tantalum niobates by the liquid-phase method was demonstrated. The methods of X-ray diffraction, electron probe microanalysis, local cathodoluminescence, and photoluminescence were applied to study the sampl
Publikováno v:
Journal of Luminescence. 239:118350
The paper is devoted to the study of the excitation capture efficiency of rare-earth ions emission levels upon electron-beam irradiation in well-known scintillation materials. The method is based on cathodoluminescent rise rate dependence on the elec
Autor:
E.V. Dementeva, A. N. Trofimov, G. A. Gusev, V.A. Kravets, I. Ipatova, M.V. Zamoryanskaya, Boris E. Burakov, K.N. Orekhova
Publikováno v:
Materials Research Bulletin. 142:111431
This work is devoted to the study of self-glowing crystals containing alpha-radionuclides based on YPO4:Eu3+,238Pu, ZrSiO4:Tb3+,238Pu and ceramics based on cubic ZrO2:Eu3+,238Pu obtained in 2006, 2011, and 2017, respectively. The decay of a radionucl
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Autor:
M.V. Zamoryanskaya, D. A. Kurdyukov, D. A. Eurov, Demid A. Kirilenko, K.N. Orekhova, Valery G. Golubev, V.A. Kravets
Publikováno v:
Journal of Alloys and Compounds. 678:434-438
In this work, we investigated monodisperse spherical particles of mesoporous silica filled with gadolinium and europium oxide based material (admittedly – gadolinium oxide doped with europium) – mSiO2/a-Gd2O3:Eu3+. The composition of the samples
Autor:
A. N. Trofimov, K.N. Orekhova, V.A. Kravets, E. V. Ivanova, M.V. Zamoryanskaya, M. A. Petrova, G. A. Gusev
Publikováno v:
Journal of Luminescence. 226:117419
The work was aimed at development of glasses for encapsulation of self-glowing crystals, doped with alpha radionuclides. Bismuth borosilicate-based glass systems doped with Eu3+, В2О3-ЅіO2-Аl2О3-Bi2O3-MO (where M = Ba, Sr and Zn) (Si–Bi -x),
Autor:
G. A. Gusev, Anton I. Isakov, M.V. Zamoryanskaya, Alexander N. Trofimov, K.N. Orekhova, V.A. Kravets
Publikováno v:
Journal of Luminescence. 222:117084
Luminescent properties of yttrium-aluminum garnet activated by different amount of europium (YAG:Eu3+) single crystals were studied by local cathodoluminescence (CL) technique. Samples were grown by flux method. CL spectra were obtained in the range