Výsledky vyhledávání - "E.A. Vagapova"

Concentration self-quenching of luminescence in crystal matrices activated by Nd3+ ions: Theory and experiment

Autor: Alexander E. Baranchikov, Yu.V. Orlovskii, A.V. Popov, S.G. Fedorenko, E.A. Vagapova

Publikováno v: Journal of Luminescence. 198:138-145

Resonance migration and cross-relaxation processes leading to concentration self-quenching of fluorescence have been studied theoretically and experimentally with Nd3+: LaF3 bulk crystal as an example. The time range of theoretical description of sel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bbb05d5274fd59e7c82822a33e02659
https://doi.org/10.1016/j.jlumin.2018.02.032

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Combined spectroscopic and DFT studies of local defect structures in beta-tricalcium phosphate doped with Nd(III)

Autor: E.A. Vagapova, Laurits Puust, E. Strugovshchikov, L. D. Iskhakova, A. Pishtshev, Leonid Dolgov, E.O. Orlovskaya, Yu.V. Orlovskii, Alexander Vanetsev, Uno Mäeorg

Publikováno v: Journal of Alloys and Compounds. 877:160305

We investigated the distribution of the Nd3+ impurity centers over five Ca2+ positions in the β-Ca3(PO4)2 lattice (space group R3c) using low-temperature site-selective laser spectroscopy and fluorescence kinetics measured by double spectral selecti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a51ab2f4da596b9e9d127e4aa9a7f007
https://doi.org/10.1016/j.jallcom.2021.160305

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Fluorescence of Nd3+ optical centers close to cubic symmetry in a calcium fluoride crystal co-doped with Na+

Autor: E.A. Vagapova, Leonid Dolgov, E.E. Vinogradova, Vladimir Hizhnyakov, Aleksei Treshchalov, V. A. Konyushkin, Yu.V. Orlovskii, Viktor Peet, E.O. Orlovskaya

Publikováno v: Journal of Luminescence. 234:117988

Earlier, it was shown by the EPR method that at a very low concentration of the Nd3+ ion in the Nd3+:CaF2 crystal, highly symmetric cubic centers with the Oh symmetry are formed. In the present study, the optical centers of the Nd3+ ion with an anoma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8153725b776bf08b6451115e6987d565
https://doi.org/10.1016/j.jlumin.2021.117988

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Modeling of the process of mechanical dehydration of raw peat materials in the working tools of mining machines

Autor: P V Ivanova, E.A. Vagapova, I.N. Khudyakova, S. L. Ivanov

Publikováno v: Journal of Physics: Conference Series. 1753:012048

The results of physical modeling of primary dehydration of raw peat materials of the disturbed structure in a thin layer and at excavator bucket digging directly from the watered deposit at peat quarry development are presented. The areas of rational

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60fc0d78d361f887874189a28da2f19a
https://doi.org/10.1088/1742-6596/1753/1/012048

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