Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Elizaveta V. Koporulina"'
Growth, Spectroscopic Characterization and Continuous-Wave Laser Operation of Er,Yb:GdMgB5O10Crystal
Autor:
Konstantin N. Gorbachenya, Elena A. Volkova, Victor V. Maltsev, Victor E. Kisel, Diana D. Mitina, Elizaveta V. Koporulina, Nikolai N. Kuzmin, Ekaterina I. Marchenko, Vladimir L. Kosorukov
Publikováno v:
Inorganics, Vol 12, Iss 9, p 240 (2024)
A transparent Er3+,Yb3+:GdMgB5O10 single crystal with dimensions up to 24 × 15 × 12 mm was grown successfully by the high-temperature solution growth on dipped seeds technique from K2Mo3O10-based solvent. The grown crystal was characterized using P
Externí odkaz:
https://doaj.org/article/cde882c180b6449f8af463e19558de30
Autor:
Elena A. Volkova, Victor V. Maltsev, Alexander M. Antipin, Dina V. Deyneko, Ivan V. Nikiforov, Dmitry A. Spassky, Ekaterina I. Marchenko, Diana D. Mitina, Vladimir L. Kosorukov, Vasiliy O. Yapaskurt, Daniil A. Naprasnikov, Elizaveta V. Koporulina
Publikováno v:
Materials, Vol 16, Iss 18, p 6084 (2023)
TmMgB5O10 spontaneous crystals were synthesized via the flux-growth technique from a K2Mo3O10-based solvent. The crystal structure of the compound was solved and refined within the space group P21/n. The first principles calculations of the electroni
Externí odkaz:
https://doaj.org/article/e724a6fbe92141b39665ecdfe2a388c2
Autor:
Konstantin N. Gorbachenya, Anatol S. Yasukevich, Andrey I. Lazarchuk, Victor E. Kisel, Nikolay V. Kuleshov, Elena A. Volkova, Victor V. Maltsev, Elizaveta V. Koporulina, Vasiliy O. Yapaskurt, Nikolai N. Kuzmin, Dmitry A. Ksenofontov, Diana D. Mitina, Anna I. Jiliaeva
Publikováno v:
Crystals, Vol 12, Iss 7, p 986 (2022)
A transparent Yb:YMgB5O10 single crystal with dimensions up to 25 × 23 × 25 mm and weight 10.337 g was grown using a high-temperature solution growth on dipped seeds technique with a K2Mo3O10 solvent. The Yb3+ concentration was calculated to be 4.7
Externí odkaz:
https://doaj.org/article/d882ed8e403d4a9aa2f5ad3ba66e60ea
Autor:
Maxim P. Demesh, Konstantin N. Gorbachenya, Viktor E. Kisel, Elena A. Volkova, Viktor V. Maltsev, Elizaveta V. Koporulina, Alexey A. Kornienko, Elena B. Dunina, Nikolay V. Kuleshov
Publikováno v:
Journal of the Belarusian State University. Physics. :4-13
A Pr3+ : YAl3(BO3)4 crystal with sizes of 20 × 10 × 10 mm was grown from high-temperature solution and its structural and spectroscopic properties were investigated. The distribution coefficient of praseodymium ranged from 0.6 to 0.8, that yield to
Autor:
Elizaveta V. Koporulina, Valentine A. Chanturiya, Galina Khachatryan, N. E. Anashkina, I. Zh. Bunin
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 85:974-978
A study is performed of the mechanism behind the effect high-voltage nanosecond electromagnetic pulses and dielectric barrier discharges have on surfaces of ilmenite in air at atmospheric pressure. Fourier-transform infrared spectroscopy, scanning el
Autor:
Valentine A. Chanturiya, Vladimir G. Minenko, Andrey L. Samusev, Maria V. Ryazantseva, Elizaveta V. Koporulina
Publikováno v:
Minerals; Volume 13; Issue 3; Pages: 414
The parameters for efficient nitric acid leaching were experimentally determined, which ensured the recoveries of Zr and REEs from eudialyte concentrate up to 87.0%–91.7% and 76.0%–81.1%, respectively. The possibility was shown of intensifying th
Autor:
E. A. Volkova, V. V. Maltsev, D. D. Mitina, Viktor Kisel, Elena Vilejshikova, N. V. Kuleshov, Elizaveta V. Koporulina, K. N. Gorbachenya
Publikováno v:
Journal of Applied Spectroscopy. 87:1043-1049
The spectral-luminescent properties of Er3+,Yb3+:YMgB5O10 were investigated. The spectra of the cross section of absorption and stimulated emission in polarized light were determined. The lifetimes of the erbium 4I13/2 and ytterbium 2F5/2 energy leve
Publikováno v:
Journal of Mining Science. 57:96-105
The mechanism of change in the surface morphology, physicochemical properties, adsorbability and floatability of eudialyte concentrate as a result of exposure to high-power nanosecond pulses and dielectric barrier discharge in air under the atmospher
Publikováno v:
Физико-технические проблемы разработки полезных ископаемых. :121-132
Potassium butyl xanthate adsorption at galena and chalcopyrite is characterized using the methods of atomic force microscopy and spectroscopy. It is found that layers generated on galena and chalcopyrite surface as a result of agitation in distilled
Autor:
N. E. Anashkina, I. Zh. Bunin, Elizaveta V. Koporulina, E. L. Chanturiya, Valentine A. Chanturiya, M. V. Ryazantseva
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 84:1147-1151
The mechanism of change in the structurally sensitive surface characteristics and physicochemical properties of rare-metal minerals (columbite and eudialyte) as a result of exposure to low-temperature atmospheric-pressure plasma is studied by means o