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1.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vtyurin A. N., Krylov A. S., Krylova S. N., Roginskii E. M., Li J., Tian Y., Wei X.
Заглавие : Low-temperature phase transitions in ANLT4.5 ceramics
Коллективы : Уральский Федеральный университет им. Первого Президента России Б.Н. Ельцина, Ural Federal University, "Materials science and nanotechnology", International conference
Место публикации : Materials Science and Nanotechnology (MSN-2023): abstract book of International conference/ Ural Federal University; org. com. A. N. Vtyurin et al. - Ekaterinburg, 2023. - Ст.117. - P.28. - ISBN 978-5-9500624-6-9
Примечания : Cited References: 5
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2.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylov A. S.
Заглавие : Phase transitions in multiferroics ferroborates with huntite structure
Коллективы : Уральский Федеральный университет им. Первого Президента России Б.Н. Ельцина, Ural Federal University, "Materials science and nanotechnology", International conference
Место публикации : Materials Science and Nanotechnology (MSN-2023): abstract book of International conference/ Ural Federal University; org. com. A. N. Vtyurin et al. - Ekaterinburg, 2023. - Ст.114. - P.25. - ISBN 978-5-9500624-6-9
Примечания : Cited References: 3. - RFBR funded the reported study according to the research project № 21-52-12018
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3.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krylova S. N., Popova E. A., Kitaev Yu. E., Lushnikov S. G.
Заглавие : Lattice dynamics of the BaMg1/3Ta2/3O3 complex perovskite
Коллективы : Уральский Федеральный университет им. Первого Президента России Б.Н. Ельцина, Ural Federal University, "Materials science and nanotechnology", International conference
Место публикации : Materials Science and Nanotechnology (MSN-2023): abstract book of International conference/ Ural Federal University; org. com. A. N. Vtyurin [et al.]. - Ekaterinburg, 2023. - Ст.O14. - P.54. - ISBN 978-5-9500624-6-9
Примечания : Cited References: 9. - Russian Foundation for Basic Research and DFG project No 21-52-12018
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4.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Nikiforov A. A., Krylov A. S., Pelegov D. V.
Заглавие : Raman spectra interpretation for Li4Ti5O12 with a spinel structure
Коллективы : Уральский Федеральный университет им. Первого Президента России Б.Н. Ельцина, Ural Federal University, "Materials science and nanotechnology", International conference
Место публикации : Materials Science and Nanotechnology (MSN-2023): abstract book of International conference/ Ural Federal University; org. com. A. N. Vtyurin et al. - Ekaterinburg, 2023. - Ст.P26. - P.110. - ISBN 978-5-9500624-6-9
Примечания : Russian Science Foundation (No 22-22-00350
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5.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Nemtsev I. V., Shabanova O. V., Shestakov N. P., Ivanenko A. A., Cherepakhin A. V., Zyryanov V. Ya.
Заглавие : Photonic crystal structures based on submicron particles of polymethyl methacrylate
Коллективы : International Conference on Information Technology and Nanotechnology
Место публикации : 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.012024. - DOI 10.1088/1742-6596/1745/1/012024
Примечания : 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)
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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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Cheng, Lian, Liu, Kai, Wang, Mengqi, Fan, Pengyuan, Zhou, Changrong, Vtyurin A. N., Deng, Heming, Zhang, Ling, Zhang, Haibo, Hu, Yongming, Nan, B.o., Liu, Yang
Заглавие : Improvement of dielectric properties and energy storage performance in sandwich-structured P(VDF-CTFE) composites with low content of GO nanosheets
Место публикации : Nanotechnology. - 2021. - Vol. 32, Is. 42. - Ст.425702. - ISSN 0957-4484, DOI 10.1088/1361-6528/ac1295. - ISSN 1361-6528(eISSN)
Примечания : Cited References: 56. - The authers gratefully acknowledge the support by the National Natural Science Foundation of China: 51902111; DongGuan Innovation Research Team Program: 2020607101007; Dongguan Postgraduate Joint Training (Practice) Workstation: 2019707102018; Guangdong HUST Industrial Technology Research Institute, Guangdong Provincial Key Laboratory of Manufacturing Equipment Digitization: 2020B1212060014
Предметные рубрики: CHARGE-DISCHARGE EFFICIENCY
POLYMER NANOCOMPOSITES
BREAKDOWN STRENGTH
Аннотация: Polymer-based dielectric capacitors play a notable part in the practical application of energy storage devices. Graphene oxide (GO) nanosheets can improve the dielectric properties of polymer-based composites. However, the breakdown strength will greatly reduce with the increase of GO content. Hence, the construction of sandwich structure can enhance the breakdown strength without reducing the dielectric constant. Herein, single-layered and sandwich-structured poly(vinylidene fluoride-co-chlorotrifluoroethylene) (P(VDF-CTFE)) nanocomposites with low content of GO nanosheets (1.0 wt%) are prepared via employing a straightforward casting method. Compared with the single-layered composites and pure P(VDF-CTFE), the sandwich-structured composites exhibit comprehensively better performance compared. The sandwich-structured composite with 0.4 wt% GO nanosheets show an excellent dielectric constant of 13.6 (at 1 kHz) and an outstanding discharged energy density of 8.25 J cm−3 at 3400 kV cm−1. These results demonstrate that the growth of the dielectric properties is owing to 2D GO nanosheets and the enhancement of breakdown strength due to the sandwich structure. The results from finite element simulation provide theoretical support for the design of high energy density composites.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Entani, Shiro, Larionov K. V., Popov Z. I., Takizawa, Masaru, Mizuguchi, Masaki, Watanabe, Hideo, Li, Songtian, Naramoto, Hiroshi, Sorokin, Pavel B., Sakai, Seiji
Заглавие : Non-chemical fluorination of hexagonal boron nitride by high-energy ion irradiation
Место публикации : Nanotechnology. - 2020. - Vol. 31, Is. 12. - Ст.125705. - ISSN 0957-4484, DOI 10.1088/1361-6528/ab5bcc. - ISSN 1361-6528 (eISSN)
Примечания : Cited References: 53
Аннотация: Two-dimensional materials such as hexagonal boron nitride (h-BN) and graphene have attracted wide attention in nanoelectronics and spintronics. Since their electronic characteristics are strongly affected by the local atomic structure, the heteroatom doping could allows us to tailor the electronic and physical properties of two-dimensional materials. In this study, a non-chemical method of heteroatom doping into h-BN under high-energy ion irradiation was demonstrated for the LiF/h-BN/Cu heterostructure. Spectroscopic analysis of chemical states on the relevant atoms revealed that 6 ± 2% fluorinated h-BN are obtained by the irradiation of 2.4 MeV Cu2+ ions with the fluence up to 1014 ions/cm2. It was shown that the high-energy ion irradiation leads to a single-sided fluorination of h-BN by the formation of the fluorinated sp 3-hybridized BN.
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Petrov D. A., Lin C. R., Ivantsov R. D., Ovchinnikov S. G., Zharkov S. M., Yurkin G. Yu., Velikanov D. A., Knyazev Yu. V., Molokeev M. S., Tseng Y. T., Lin E. S., Edelman I. S., Baskakov A. O., Starchikov S. S., Lyubutin I. S.
Заглавие : Characterization of the iron oxide phases formed during the synthesis of core-shell FexOy@C nanoparticles modified with Ag
Место публикации : Nanotechnology. - 2020. - Vol. 31, Is. 39. - Ст.395703. - ISSN 13616528 (ISSN), DOI 10.1088/1361-6528/ab9af2
Примечания : Cited References: 46. - The reported study was funded by Joint Research Project of Russian Foundation for Basic Research № 19-52-52002 and Ministry of Science and Technology, Taiwan MOST № 108-2923-M-153-001-MY3 and № 106-2112-M-153-001-MY3. The samples of series 1 were studied with the support of the Ministry of Science and Higher Education of the Russian Federation within the State assignment FSRC «Crystallography and Photonics» RAS. The electron microscopy investigations were conducted in the SFU Joint Scientific Center supported by the State assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation
Аннотация: Core–shell FexOy@C nanoparticles (NPs) modified with Ag were studied with x-ray diffraction, transmission electron microscopy, energy dispersive elemental mapping, Mössbauer spectroscopy, static magnetic measurements, and optical magnetic circular dichroism (MCD). FexOy@C NPs synthesized by the pyrolysis process of the mixture of Fe(NO3)3 centerdot 9H2O with oleylamine and oleic acid were added to a heated mixture of oleylamine and AgNO3 in different concentrations. The final product was a mixture of iron oxide crystalline NPs in an amorphous carbon shell and Ag crystalline NPs. The iron oxide NPs were presented by two magnetic phases with extremely close crystal structures: Fe3O4 and γ-Fe2O3. Ag is shown to form crystalline NPs located very close to the iron oxide NPs. An assumption is made about the formation of hybrid FexOy@C-Ag NPs. Correlations were obtained between the Ag concentration in the fabricated samples, their magnetic properties and the MCD spectrum shape. Introducing Ag led to a approximately linear decrease of the NPs saturation magnetization depending upon the Ag concentration, it also resulted into the MCD spectrum shift to the lower light wave energies. MCD was also studied for the Fe3O4@C NPs synthesized earlier with the same one-step process using different heat treatment temperatures, and MCD spectra were compared for two series of NPs. A possible contribution of the surface plasmon excitation in Ag NPs to the MCD spectrum of the FexOy@C-Ag NPs is discussed.
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9.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Bukhanov E. R., Gurevich Y., Krakhalev M. N., Shabanov D. A.
Заглавие : Modeling optical properties of plant epicuticular wax
Коллективы : IEEE International Conference on Information Technology and Nanotechnology
Место публикации : Proceedings of ITNT 2020 - 6th IEEE International Conference on Information Technology and Nanotechnology: Institute of Electrical and Electronics Engineers Inc., 2020. - Ст.9253272. - DOI 10.1109/ITNT49337.2020.9253272
Примечания : Cited References: 39
Аннотация: Wax is found on the leaves almost of all plants. Its physicochemical and protective properties are widely discussed in the scientific literature. In the presented work, the influence of the structure of wax on the optical properties in wheat leaves and needles of blue spruce has been revealed for the first time. Long-period ordering was established. The structural elements are nanotubes up to several microns in length and about 150 nm in diameter. The paper presents the influence of a long-period structure on the optical properties and local characteristics of light waves, including the transmission spectrum, the density of photon states, as well as fluorescence spectra and polarization microscopy. Using modern mathematical tools, the main spectral and optical characteristics were calculated using the example of the wax cover of blue spruce and glaucas wheat. Based on calculations that establish the relationship between the structural, spectral and optical properties, the influence of wax structures on the process of photosynthesis was revealed.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Popov A. K., Myslivets S. A., Slabko V. V., Tkachenko V. A., George T. F.
Заглавие : Shaping light in backward-wave nonlinear hyperbolic metamaterials
Коллективы : U. S. Army Research Office [W911NF-14-1-0619]; Ministry of Education and Science of the Russian Federation [3.6341.2017/6.7]
Место публикации : Photonics. - 2018. - Vol. 5, Is. 2. - Ст.8. - ISSN 2304-6732, DOI 10.3390/photonics5020008
Примечания : Cited References: 46. - Alexander K. Popov acknowledges support by the U. S. Army Research Office under grant number W911NF-14-1-0619. Vitaly V. Slabko acknowledges support by the Ministry of Education and Science of the Russian Federation (project # 3.6341.2017/6.7).
Предметные рубрики: NEGATIVE-INDEX METAMATERIALS
OPTICAL PARAMETRIC OSCILLATOR
Ключевые слова (''Своб.индексиров.''): optical metamaterials--fundamental concepts in photonics--light-matter--interactions at the subwavelength and nanoscale--fundamental--understanding of linear and nonlinear optical processes in novel metamaterials underpinning photonic devices and components--advancing the frontier of nanophotonics with the associated nanoscience and nanotechnology--nanostructures that can serve as building blocks for nano-optical systems--use of nanotechnology in photonics--nonlinear nanophotonics--plasmonics and excitonics--subwavelength components and negative index materials--slowing, store, and processing light pulses--materials for optical sensing, for tunable optical delay lines, for optical buffers, for high extinction optical switches, for novel image processing hardware, and for highly-efficient wavelength converters
Аннотация: Backward electromagnetic waves are extraordinary waves with contra-directed phase velocity and energy flux. Unusual properties of the coherent nonlinear optical coupling of the phase-matched ordinary and backward electromagnetic waves with contra-directed energy fluxes are described that enable greatly-enhanced frequency and propagation direction conversion, parametrical amplification, as well as control of shape of the light pulses. Extraordinary transient processes that emerge in such metamaterials in pulsed regimes are described. The results of the numerical simulation of particular plasmonic metamaterials with hyperbolic dispersion are presented, which prove the possibility to match phases of such coupled guided ordinary and backward electromagnetic waves. Particular properties of the outlined processes in the proposed metamaterial are demonstrated through numerical simulations. Potential applications include ultra-miniature amplifiers, frequency changing reflectors, modulators, pulse shapers, and remotely actuated sensors.
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