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Shabanov, A. V.
Synthesis of monodisperse submicron spherical poly(methylmethacrylate) particles and the molecular dynamics simulation / A. V. Shabanov, O. V. Shabanova, M. A. Korshunov // Colloid J. - 2014. - Vol. 76, Is. 1. - P. 113-119, DOI 10.1134/S1061933X14010128. - Cited References: 32 . - ISSN 1061-933X. - ISSN 1608-3067

РУБ Chemistry, Physical

Аннотация: The molecular-dynamics method has been used to determine the conformational states of poly(methyl methacrylate) chains in a medium composed of water and a monomer (methyl methacrylate). Experimentally detected spherical particles resulting from polymerization have been found to take the form of droplet-type aggregates containing several chains, with the water and monomer concentrations in the aggregates differing from those in the dispersion medium. It has been shown that the methyl methacrylate concentration in an initial reaction mixture of about 20% is optimal for the formation of spherical droplet-type aggregates. It has been experimentally established that spherical poly(methyl methacrylate) particles with a narrow size distribution are formed at a methyl methacrylate concentration of ≈23%.

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Публикация на русском языке Шабанов, Александр Васильевич. Синтез монодисперсных субмикронных сферических частиц полиметилметакрилата и его моделирование методом молекулярной динамики [Текст] / А. В. Шабанов, О. В. Шабанова, М. А. Коршунов // Коллоид. журн. : Наука, 2014. - Т. 76 № 1. - С. 120-126

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Nauka Special Design & Technol Bur, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Shabanova, O. V.; Korshunov, M. A.; Коршунов, Михаил Анатольевич; Шабанов, Александр Васильевич
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Bulgakov, E. N.
Self-trapping of nanoparticles by bound states in the continuum / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. B. - 2022. - Vol. 106, Is. 16. - Ст. 165430, DOI 10.1103/PhysRevB.106.165430. - Cited References: 46. - The work was supported by Russian Science Foundation Grant No. 22-12-00070 . - ISSN 2469-9950
Кл.слова (ненормированные):
Basic principles -- Bound-states -- Dielectric cylinder -- Dielectric particles -- Equilibrium positions -- Fabry-Perot resonators -- High-Q resonances -- Quasibound state -- Self-trapping -- Submicron -- Nanoparticles
Аннотация: In the first tutorial part of the paper, we show that equilibrium positions of small dielectric particles inside the Fabry-Perot resonator (FPR) are sensitive to a frequency of incident electromagnetic wave and size of particle. That elucidates basic principles of resonant trapping of nanoparticles by excitation of high-Q resonances of FPR. In the second part, we consider a long dielectric cylinder with submicron radius (primary cylinder) integrated into a metallic waveguide which supports symmetry-protected bound states in the continuum (BICs). We consider the case of a slightly shifted cylinder relative to the axis of symmetry of a waveguide that controls the Q factor of quasi-BIC. Then, the extra nanoparticle perturbs quasi-BIC as dependent on the size of the nanoparticle and position relative to the primary cylinder. An interplay between the resonant width of quasi-BIC and a degree of frequency perturbation defines whether a dragging nanoparticle is terminated at a surface of the primary cylinder for an ultrasmall size of nanoparticles or at the definite distances from the cylinder for the larger size of nanoparticles. Thereby, we demonstrate a paradigm of resonant self-trapping and sorting of nanoparticles by use of quasi-BICs. We also show extremal sensitivity of self-trapping to the frequency of an electromagnetic (EM) wave propagating over waveguide.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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Relaxation of the trapped magnetic flux in a mesoscopic HTS with artificial pinning in the form of submicron holes / A. N. Maksimova, D. M. Gokhfeld, A. N. Moroz, V. A. Kashurnikov // Chin. J. Phys. - 2024. - Vol. 88. - P. 493-502, DOI 10.1016/j.cjph.2023.11.030. - Cited References: 31. - V.A. Kashurnikov and A.N. Maksimova were supported by the Ministry of Science and Higher Education of the Russian Federation (state task project No. FSWU-2023-0031), A.N. Moroz was supported by MEPhI Program Priority 2030 . - ISSN 0577-9073. - ISSN 2309-9097
Кл.слова (ненормированные):
High-temperature superconductor -- trapped flux -- pinning -- relaxation
Аннотация: Vortex relaxation has been studied in a microsized HTS with various distributions of artificial pinning in the form of submicro-holes. It has been shown that, in some cases, for a superconductor with dimensions up to several micrometers, the time dependences of the trapped magnetic field do not correspond with the collective creep model. The dependences of the trapped-field relaxation rate and vortex activation energy on the magnetizing field (up to 0.5 T) and temperature (up to 50 K) have been obtained. It has been shown that the presence of submicro-holes slightly increases the relaxation rate, mainly due to the decrease in the number of random nanosized pinning centers.

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Держатели документа:
National Research Nuclear University MEPhI, Moscow, 115409 Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036 Russia
Siberian Federal University, Krasnoyarsk, 660041 Russia

Доп.точки доступа:
Maksimova, A.N.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Moroz, A.N.; Kashurnikov, V.A.
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Photonic crystal structures based on submicron particles of polymethyl methacrylate / I. V. Nemtsev, O. V. Shabanova, N. P. Shestakov [et al.] // J. Phys. Conf. Ser. - 2021. - Vol. 1745: 6th International Conference on Information Technology and Nanotechnology, ITNT 2020 (26 - 29 May 2020, Samara, Russian Federation) Conference code: 167456, Is. 1. - Ст. 012024DOI 10.1088/1742-6596/1745/1/012024. - Cited References: 27. - We are grateful to the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS» for the provided equipment. The authors are also grateful to the Russian Foundation for Basic Research for financial support (grant No.18-42-243013)
Кл.слова (ненормированные):
IR absorption spectra -- Morphological parameters -- Photonic crystal films -- Poly(methyl methacrylate) (PMMA) -- Reflection spectra -- Resonance structure -- Sub-micron particles -- Submicron-sized spheres
Аннотация: Morphological parameters, reflection spectra, IR absorption spectra, and glass transition temperatures of submicron-sized spheres of poly(methyl methacrylate) (PMMA) formed in a water-acetone dispersion medium were studied in comparison with similar spheres obtained in distilled water. Dependence of a shrinkage degree of the submicrospheres on the concentration of acetone in water is studied. Features of the formation of periodic structures based on the water-acetone dispersions of PMMA in four different ways are considered. 2D (photonic crystal films) and 3D (artificial and inverse opals) resonance structures were obtained.

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Держатели документа:
Fed. Res. Ctr. Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok street 50, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics, Fed. Res. Ctr. Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Akademgorodok street 50, bul. 38, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodny ave. 79, Krasnoyarsk, 660041, Russian Federation
Spec. Des. and Technol. Bur. Nauka Fed. Res. Ctr. Krasnoyarsk Sci. Ctr. of the Siberian Br. of the Russ. Acad. of Sci., Akademgorodok street 50, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Nemtsev, I. V.; Немцев, Иван Васильевич; Shabanova, O. V.; Shestakov, N. P.; Шестаков, Николай Петрович; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; International Conference on Information Technology and Nanotechnology(6 ; 2020 ; May 26 - 29 ; Samara, Russian Federation)
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Ferromagnetic resonance force spectroscopy of individual submicron-size samples [Текст] / O. Klein, Loubens de [и др.] // Phys. Rev. B. - 2008. - Vol. 78, No. 14. - С. 144410-144426

Доп.точки доступа:
Klein, O.; de, Loubens; Naletov, V.V.; Boust, F.; Guillet, T.; Hurdequint, H.; Leksikov, A.; Slavin, A.N.; Tiberkevich, V.S.; Vukadinovic, N.
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Features of self-assembly of opal-like structures based on poly(methyl methacrylate) submicron dispersions / O. V. Shabanova [et al.] // Nanotechnologies Russ. - 2016. - Vol. 11, Is. 9-10. - P. 633-639, DOI 10.1134/S1995078016050153. - Cited References: 18. - This work was supported by and carried out on the equipment of the shared facilities of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. . - ISSN 1995-0780
Кл.слова (ненормированные):
Dispersions -- Esters -- Self assembly -- Aqueous dispersions -- Narrow size distributions -- Sub-micron dispersions -- Sub-micron particles -- Periodic structures
Аннотация: Features of the formation of periodic 2D and 3D opal-like structures depending on the conditions of deposition have been investigated in this work. The subject of the experiments is aqueous dispersions of poly(methyl methacrylate) submicron particles with a narrow size distribution. The particles are precipitated by sedimentation, centrifugation, and the meniscus method. The samples are studied using electron microscopes. Significant morphological differences in periodic structures obtained by various methods are found. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Особенности самосборки опалоподобных структур на основе субмикронных дисперсий полиметилметакрилата [Текст] / О. В. Шабанова [и др.] // Рос. нанотехнологии : Парк-медиа, 2016. - Т. 11 № 9/10. - С. 93-97

Держатели документа:
Special Design and Technological Bureau Nauka, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shabanova, O. V.; Korshunov, M. A.; Коршунов, Михаил Анатольевич; Nemtsev, I. V.; Shabanov, A. V.; Шабанов, Александр Васильевич
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Effects of magnetic field on the source current of deep-submicron MOSFET baised at accumulation / F. A. Baron [et al.] // Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 20

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Доп.точки доступа:
Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Baron, F. A.; Барон, Филипп Алексеевич; Ovchinnikov, S. G.; Jiang, H.-W.; Wang, K. L.; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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