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Каталог книг и брошюр библиотеки ИФ СО РАН
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 Найдено в других БД:Каталог книг и брошюр библиотеки ИФ СО РАН (2)Каталог журналов библиотеки ИФ СО РАН (1)
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Общее количество найденных документов : 27
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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pyatnov M. V., Vetrov S. Ya., Timofeev I. V.
Заглавие : Localized optical modes in a defect-containing liquid-crystal structure adjacent to the metal
Место публикации : J. Opt. Soc. Am. B: Optical Society of America, 2017. - Vol. 34, Is. 9. - P.2011-2017. - ISSN 07403224 (ISSN), DOI 10.1364/JOSAB.34.002011
Примечания : Cited References: 44. - Russian Foundation for Basic Research (RFBR), Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund (17-42-240464).
Ключевые слова (''Своб.индексиров.''): cholesteric liquid crystals--crystal defects--defects--liquid crystals--liquids--metals--optical kerr effect--polarization--diffraction reflections--external fields--field localization--maximum field intensity--metallic layers--polarization dependence--spectral properties--transmittance spectra--crystal structure
Аннотация: The possibility of the existence of localized optical modes with maximum field intensity at the interface between the metal and cholesteric liquid crystal is theoretically grounded. The system comprises a defect-containing cholesteric liquid crystal and a metal layer. It is established that the localization occurs at almost any defect thickness rather than only at the half-wave thickness, at which the loss of the polarization dependence of diffraction reflection and the absence of field localization are observed for the structure without the metallic layer. It is demonstrated that the spectral properties can be controlled by external fields affecting the liquid crystal. At large thicknesses of the cholesteric liquid crystal between the defect and the metallic layer, the spectrum contains the pronounced peaks corresponding to the edge modes. The results obtained open new opportunities for controlling the transmittance spectrum, polarization, and localization of light in optoelectronic elements based on the investigated system. © 2017 Optical Society of America.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zakomirnyi V. I., Rasskazov I. L., Gerasimov V. S., Ershov A. E., Polyutov S. P., Karpov S. V.
Заглавие : Refractory titanium nitride two-dimensional structures with extremely narrow surface lattice resonances at telecommunication wavelengths
Место публикации : Appl. Phys. Lett.: American Institute of Physics, 2017. - Vol. 111, Is. 12. - Ст.123107. - ISSN 00036951 (ISSN), DOI 10.1063/1.5000726
Примечания : Cited References: 54. - This work was supported by the RF Ministry of Education and Science, the State contract with Siberian Federal University for scientific research in 2017–2019. Numerical calculations were performed using the MVS-1000M system at the Institute of Computational Modeling of the Siberian Branch of the Russian Academy of Sciences.
Ключевые слова (''Своб.индексиров.''): bandwidth--nanoparticles--nanostructures--optical properties--plasmons--q factor measurement--refractory materials--titanium compounds--diffractive grating--electromagnetic response--localized surface plasmon--low cost fabrication--plasmonic nanoparticle--telecommunication bandwidth--telecommunication wavelengths--two-dimensional structures--titanium nitride
Аннотация: Regular arrays of plasmonic nanoparticles have brought significant attention over the last decade due to their ability to support localized surface plasmons (LSPs) and exhibit diffractive grating behavior simultaneously. For a specific set of parameters (i.e., period, particle shape, size, and material), it is possible to generate super-narrow surface lattice resonances (SLRs) that are caused by interference of the LSP and the grating Rayleigh anomaly. In this letter, we propose plasmonic structures based on regular 2D arrays of TiN nanodisks to generate high-Q SLRs in an important telecommunication range, which is quite difficult to achieve with conventional plasmonic materials. The position of the SLR peak can be tailored within the whole telecommunication bandwidth (from ≈ 1.26 μm to ≈ 1.62 μm) by varying the lattice period, while the Q-factor is controlled by changing nanodisk sizes. We show that the Q-factor of SLRs can reach a value of 2 × 103, which is the highest reported Q-factor for SLRs at telecommunication wavelengths so far. Tunability of optical properties, refractory behavior, and low-cost fabrication of TiN nanoparticles paves the way for manufacturing cheap nanostructures with extremely stable and adjustable electromagnetic response at telecommunication wavelengths for a large number of applications.
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3.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Pyatnov M. V., Vetrov S. Ya., Timofeev I. V.
Заглавие : Localized states in a metal - cholesteric liquid crystal structure containing a planar defect
Коллективы : European Conference on Liquid Crystals, Московский государственный университет им. М.В. Ломоносова
Место публикации : 14th Eur. Conf. Liq. Cryst. (ECLC): conf. programme. - 2017. - Ст.O59. - P.10
Примечания : Библиогр.: 3
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ivantsov I. D., Ferraz A., Kochetov E.
Заглавие : Quantum Monte Carlo study of the itinerant-localized model of strongly correlated electrons: Spin-spin correlation functions
Место публикации : Phys. Rev. B: American Physical Society, 2016. - Vol. 94, Is. 23. - Ст.235118. - ISSN 10980121 (ISSN), DOI 10.1103/PhysRevB.94.235118
Примечания : Cited References: 15
Аннотация: We perform quantum Monte Carlo simulations of the itinerant-localized periodic Kondo-Heisenberg model for the underdoped cuprates to calculate the associated spin correlation functions. The strong electron correlations are shown to play a key role in the abrupt destruction of the quasi-long-range antiferromagnetic order in the lightly doped regime. © 2016 American Physical Society.
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5.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Piatnov M. V., Vetrov S. Ya., Timofeev I. V.
Заглавие : Optical localized states in the liquid crystal structure bordering on the metal
Коллективы : Workshop on Liquid Crystals for Photonics
Место публикации : 6th Workshop on Liq. Cryst. for Photon./ program-book. - 2016. - Ст.PO11. - P. 53
Примечания : Библиогр.: 2
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pyatnov M. V., Vetrov S. Ya., Timofeev I. V.
Заглавие : Localized optical states in a liquid-crystal structure adjacent to a metal
Коллективы : International Optical Congress on Optics - 21st Century, International Conference on Basic Problems of Optics (BPO) , Russian Foundation for Basic Research; Government of the Krasnoyarsk Territory; Krasnoyarsk Territorial Science and Technology Support Fund [17-42-240464]
Место публикации : Opt. Spectrosc.: MAIK Nauka-Interperiodica / Springer, 2017. - Vol. 123, Is. 2. - P.189-192. - ISSN 0030-400X, DOI 10.1134/S0030400X17080173. - ISSN 1562-6911(eISSN)
Примечания : Cited References:23. - This study was supported by the Russian Foundation for Basic Research, Government of the Krasnoyarsk Territory, and Krasnoyarsk Territorial Science and Technology Support Fund, project no. 17-42-240464.
Предметные рубрики: PHOTONIC CRYSTALS
TAMM STATES
MODES
Аннотация: The spectrum of light transmission through a structure consisting of a metallic layer and a cholesteric liquid crystal with an induced planar defect is calculated. The possibility of existence of localized states at the metal-dielectric interface of this system is demonstrated. The transmission spectra at different positions of the defect in the structure are studied.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ivantsov I. D., Ferraz A., Kochetov E.
Заглавие : Itinerant-localized model of strongly correlated electrons: Fermi surface reconstruction
Место публикации : Phys. Rev. B. - 2017. - Vol. 96, Is. 19. - Ст.195161. - ISSN 24699950 (ISSN), DOI 10.1103/PhysRevB.96.195161
Примечания : Cited References: 19
Аннотация: A number of recent experiments have highlighted a remarkable transformation of a large cuprate Fermi surface into small pockets in the underdoped region signaling a breakdown of a conventional Fermi liquid theory in the pseudogap phase. A few phenomenological models have been recently put forward to account for this transformation. However, none of those models have been derived microscopically or are totally compatible with experimental data. In the present work we show that the observed Fermi-surface reconstruction can be accounted for directly within a standard microscopic t-J model of correlated electrons, provided strong electron correlations are properly taken into account.
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8.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Popov A.K., Slabko V.V., Shalaev M.I., Myslivets S. A.
Заглавие : Engineering localized nonlinear - optical transport with optical phonons
Коллективы : International Conference on Transparent Optical Networks
Место публикации : 13th International Conference on TransparenT Optical Network. - 2011. - Ст.5971107
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9.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Samoshkina Yu. E., Petrov D. A., Rautskii M. V., Neznakhin D. S., Stepanova E. A., Stepanov A. L.
Заглавие : Co nanoparticles localized in matrices of Various types: magnetooptical and magnetotransport properties
Коллективы : Российская академия наук, Физико-технический институт им. Е.К. Завойского ФИЦ Казанского научного центра РАН, Казанский (Приволжский) федеральный университет, Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium
Место публикации : VIII Euro-Asian symposium "Trends in magnetism" (EASTMAG-2022): Book of abstracts/ program com. S. G. Ovchinnikov [et al.]. - 2022. - Vol. 1, Sect.: Magnetotransport, magnetooptics and magnetophotonics. - Ст.D.P14. - P.466-467. - ISBN 978-5-94469-051-7
Примечания : Cited References: 8. - This research was funded by the Russian Science Foundation grant No. 21-72-00061
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Samoshkina Yu. E., Edelman I. S., Chou, Hsiung, Petrov D. A., Zharkov S. M., Neznakhin, Dmitry, Stepanova, Elena, Stepanov, Andrey
Заглавие : Magnetic circular dichroism of Co nanoparticles localized in matrices of various types
Место публикации : Materialia. - 2023. - Vol. 28. - Ст.101759. - ISSN 25891529 (eISSN), DOI 10.1016/j.mtla.2023.101759
Примечания : Cited References: 28. - This work was supported by the Russian Science Foundation [grant number 21-72-00061]. Electron microscopic studies were carried out in the laboratory of electron microscopy of the Joint Scientific Center of the Siberian Federal University
Аннотация: Magnetic and magneto-optical properties of cobalt nanoparticles (Co-NPs) dispersed in a transparent dielectric SiO2 and semiconductor ZnO matrices have been investigated. Field and temperature dependences of the samples magnetization showed the typical behavior of an ensemble of superparamagnetic particles with a blocking temperature near and below room temperature. The spectroscopy of magnetic circular dichroism (MCD) in the visible and near-infrared light ranges has revealed a significant difference between the behavior of the Co-NPs and a solid Co film. It has been found that the MCD spectrum shape for the Co-NPs does not depend on the matrix type. The room temperature magneto-optical activity of the Co-NPs in the different matrices has been estimated as an indicator for practical applications.
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