Zobrazeno 1 - 10 of 16 pro vyhledávání: '"A. G. Kiiamov"'
1
Akademický článek
Magnetic and Structural Properties of Iron Oxide Nanoparticles Produced by Thermal Decomposition of Precursors in Solution
Autor: R. R. Amirov, A. N. Solodov, R. M. Gataullina, J. R. Shaiymova, E. A. Burilova, A. G. Kiiamov, Y. Tyan, R. G. Batulin, M. A. Cherosov, D. A. Tayurskii
Publikováno v: Učënye Zapiski Kazanskogo Universiteta. Seriâ Estestvennye Nauki, Vol 165, Iss 1 (2023)
In this study, the method of thermal decomposition of iron(III) oleate at different ratios of oleic acid and octadecene-1 was used to obtain iron oxide nanoparticles (IONPs). Transmission electron microscopy (TEM) showed that they all had a spherical
Externí odkaz: https://doaj.org/article/8499e2c0cc494b26b253bbee0785e57d
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2
Akademický článek
Luminescence Nanothermometry Based on Pr3+ : LaF3 Single Core and Pr3+ : LaF3/LaF3 Core/Shell Nanoparticles
Autor: M. S. Pudovkin, D. A. Koryakovtseva, E. V. Lukinova, S. L. Korableva, R. Sh. Khusnutdinova, A. G. Kiiamov, A. S. Nizamutdinov, V. V. Semashko
Publikováno v: Advances in Materials Science and Engineering, Vol 2019 (2019)
Core Pr3+ : LaF3 (CPr = 1%) plate-like nanoparticles (nanoplates), core/shell Pr3+ : LaF3 (CPr = 1%)/LaF3 nanoplates, core Pr3+ : LaF3 (CPr = 1%) sphere-like nanoparticles (nanospheres), and core/shell Pr3+ : LaF3 (CPr = 1%)/LaF3 nanospheres were syn
Externí odkaz: https://doaj.org/article/90218b916b864bafad7038b294f1fd9f
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3
Akademický článek
Up-conversion luminescence in mixed crystals BaY1.8Lu0.2F8 doped with Er3+ ions excited at 1532 nm.
Autor: Alexey S. Nizamutdinov, Sergey V. Gushchin, Sergey A. Bukarev, Alexey A. Shavelev, Mikhail A. Marisov, Ainur A. Shakirov, Airat G. Kiiamov, Anna V. Astrakhantseva, Andrey A. Lyapin
Publikováno v: Конденсированные среды и межфазные границы, Vol 24, Iss 3 (2022)
Increasing the efficiency of upconversion luminophores is an important problem in materials science. Here we report on approach of use of disordered crystals namely solid solutions BaY1.8Lu0.2F8 doped with Er3+ ions to improve spectral characteristic
Externí odkaz: https://doaj.org/article/83473fee21804414aa97146a820a4c5c
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6
Classical Density Functional Theory Approach to the Vibrational Properties and Lattice Specific Heat of a Quasi-One-Dimensional Antiferromagnet KFeSe2
Autor: M. D. Kuznetsov, A. G. Kiiamov, D. A. Tayurskii
Publikováno v: JETP Letters. 116:875-877
We have performed ab initio calculations of vibrational properties of KFeSe2 compound utilizing density functional theory. Total and element specific phonon densities of states have been calculated within a direct approach of harmonic approximation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e664c30b07fb57078d1bfb0ddc6e1c35
https://doi.org/10.1134/s0021364022602457
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10
Synthesis of Core-Shell CeO2/CeF3 Nanoparticles Using Tetrafluoroethane R-134a
Autor: Oleg A. Morozov, Stella L. Korableva, Rafail M. Rakhmatullin, Amir R. Khadiev, Airat G. Kiiamov, Mikhail A. Cherosov, Maksim S. Pudovkin, Marat R. Gafurov
Publikováno v: Coatings; Volume 12; Issue 12; Pages: 1879
In this paper, we report the synthesis, characterization, and optical properties of core-shell CeO2/CeF3 nanoparticles. Fabrication of these composite nanoparticles was carried out by fluorination of CeO2 nanoparticles with tetrafluoroethane R-134a g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d56390ad56fe3990c28699a2948ec3
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