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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Boev N. M., Izotov A. V., Skomorokhov G. V., Solovev P. N.
Заглавие : Magnetic properties of permalloy thin film edges
Коллективы : Ministry of Science and Higher Education of the Russian Federation [02, G25.31.0313]
Место публикации : Russ. Phys. J. - 2020. - Vol. 63, Is. 1. - P.16-22. - ISSN 1064-8887, DOI 10.1007/s11182-020-01997-6. - ISSN 1573-9228(eISSN)
Примечания : Cited References: 23. - This work was supported by the Ministry of Science and Higher Education of the Russian Federation (Project No. 02.G25.31.0313).
Предметные рубрики: ANISOTROPIES
Аннотация: The paper presents the results of ferromagnetic resonance (FMR) spectrometry of magnetic properties of nanocrystalline thin films obtained by magnetron sputtering of permalloy targets of various composition (NixFe1-x, x = 0.6-0.85). The behavior of the main magnetic properties of the thin film edges is analyzed. Near the film edges, not only the fluctuation of the uniaxial magnetic anisotropy field is observed, but also a drastic widening of the FMR line and the decrease in the effective saturation magnetization.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Loiko V. A., Konkolovich A. V., Miskevich A. A., Krakhalev M. N., Prishchepa O. O., Zyryanov V. Ya.
Заглавие : Small-angle scattering and radiation polarization by a stretched polymer film with nematic liquid crystal droplets having a single-domain structure
Коллективы : Belarusian Republican Foundation for Fundamental Research [F18RA-003]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk krai; Krasnoyarsk Krai Foundation of Science [18-42-243006]
Место публикации : Opt. Spectrosc. - 2020. - Vol. 128, Is. 3. - P.331-338. - ISSN 0030-400X, DOI 10.1134/S0030400X20030121. - ISSN 1562-6911(eISSN)
Примечания : Cited References: 24. - This work was carried out within the framework of the agreement on interacademic collaboration between the National Academy of Sciences of Belarus and Siberian Branch of the Russian Academy of Sciences. It was supported by the Belarusian Republican Foundation for Fundamental Research (project no. F18RA-003). M.N. Krakhalev acknowledges the support of the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, and Krasnoyarsk Krai Foundation of Science (grant no. 18-42-243006).
Предметные рубрики: IONIC MODIFICATION
LIGHT
Аннотация: The coefficient of directed transmittance of a stretched polymer-dispersed liquid crystal film with a defect-free single-domain liquid crystal droplet structure formed by a stretched surfactant-doped film and the polarization degree of forward-transmitted light in the visible and near-infrared spectrum ranges are studied. Results are presented for the 5CB, E7, and E44 nematic liquid crystals. Dependences of the transmission coefficient and polarizing ability of the film on the photodetector field of view are studied. Relationships allowing one to determine film parameters at which the transmission coefficient and polarizing ability of the films simultaneously reach values close to limit ones (0.5 and ±1.0, respectively) are obtained in the Foldy–Twersky and anomalous diffraction approximations.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volochaev M. N., Granovsky A. B., Zhilova O. V., Kalinin Y. E., Ryl'kov V. V., Sumets M. P., Makagonov V. A., Pankov S. Y., Sitnikov A. V., Fadeev E., Lahderanta E., Foshin V.
Заглавие : Transport and magnetic phenomena in ZnO-С thin-film heterostructures
Место публикации : Superlattices Microstruct. - 2020. - Vol. 140. - Ст.106449. - ISSN 07496036 (ISSN), DOI 10.1016/j.spmi.2020.106449
Примечания : Cited References: 36. - The work was supported by the Ministry of Education and Science of Russia (project No. 3.1867.2017/4.6 ) and the RFBR (project No. 19-07-00471). The work was partially funded by the Academy of Finland
Аннотация: ZnO- and C-based heterostructures were fabricated by the layer-by-layer deposition technique using the ion-beam sputtering process. Structure, electrical and magnetic properties of fabricated heterostructures are discussed. The two-phase (ZnO and C) films are evolved into a multilayer structure, consisting of amorphous carbon and crystalline ZnO layers when the bilayer thickness increases. When carbon is added to ZnO, its electrical resistivity reduces. The conduction mechanism changes from the variable-range hopping in a narrow energy band to the nearest neighbors hopping in ZnO–C films with a thickness of h ˂ 150 nm. The temperature dependence of conductivity changes from the Arrhenius-like to logarithmic law, indicating that the strong charge localization turns into a weak one when the film thickness is about 150 nm. The negative magnetoresistance of up to 1% was detected at 77 K. The film ferromagnetism at the temperature of 10 K was not found.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Babkina I. V., Volochaev M. N., Zhilova O. V., Kalinin Y. E., Kashirin M. A., Sitnikov A. V., Chehonadskih M. V., Yanchenko L. I.
Заглавие : Effect of Heat Treatment on the Stability of Nanosized (Co40Fe40B20)34(SiO2)66/ZnO/In2O3 Multilayers
Место публикации : Bull. Russ. Acad. Sci. Phys. - 2020. - Vol. 84, Is. 9. - P.1100-1103. - ISSN 10628738 (ISSN), DOI 10.3103/S1062873820090051
Примечания : Cited References: 11. - This work was supported by the RF Ministry of Science and Higher Education as part of State Task no. FZGM-2020-0007
Аннотация: An investigation is performed of the thermal stability and phase transformations of thin-film heterogeneous [(Co40Fe40B20)34(SiO2)66/ZnO/In2O3]85 multilayers obtained via ion beam sputtering. The system contains 85 layers, each consisting of a (Co40Fe40B20)34(SiO2)66 composite layer and ZnO and In2O3 semiconductor spacers. The sample structure in the initial state and after heat treatment is studied by means of X-ray diffraction. It is shown that the samples are stable at temperatures of up to 500°С. Zn2SiO4, InBO3, CoFe, and In2O3 phases form during annealing.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belousov A. L., Patrusheva T. N., Karacharov A. A., Ivanenko A. A., Kirik S. D., Khol'kin A. I.
Заглавие : Amorphous and Crystalline Nickel Oxide Films Obtained by the Extraction-Pyrolysis Method for Electrochromic Cells
Коллективы : program "Research and Development for the Priority Areas of the Russian Science-and-Technology Sector for 2014-2020" [075-15-2019-1843]; [RFMEFI60719X0307]
Место публикации : Theor. Found. Chem. Eng. - 2020. - Vol. 54, Is. 4. - P.699-705. - ISSN 0040-5795, DOI 10.1134/S0040579520040041. - ISSN 1608-3431(eISSN)
Примечания : Cited References: 8. - This work was performed as part of the program "Research and Development for the Priority Areas of the Russian Science-and-Technology Sector for 2014-2020"; Grant Agreement no. 075-15-2019-1843; the Project Unique Identifier RFMEFI60719X0307
Предметные рубрики: NIO THIN-FILMS
Аннотация: This paper reports studies of thin films of nickel oxide obtained by the extraction–pyrolysis method on glass and quartz substrates at temperatures of 380–600°C. The films have been characterized by atomic force microscopy and X-ray diffraction. It is shown that amorphous and crystalline nickel oxide films are formed on the glass. The grain size depends on the annealing temperature, while increased annealing temperatures lead to recrystallization and a decrease in the grain size in NiO films from 130 to 35 nm.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Izotov A. V., Skomorokhov G. V., Solovev P. N.
Заглавие : Micromagnetic analysis of edge effects in a thin magnetic film during local excitation of magnetization oscillations
Место публикации : Russ. Phys. J. - 2020. - Vol. 63, Is. 5. - P.837-843. - ISSN 1064-8887, DOI 10.1007/s11182-020-02106-3. - ISSN 1573-9228(eISSN)
Примечания : Cited References: 19. - This research was performed with financial support of the Russian Foundation for Basic Research within the research project No. 18-32-00086
Предметные рубрики: ANISOTROPIES
SIMULATIONS
FIELDS
Аннотация: The method of numerical micromagnetic simulation was used to study the magnetization dynamics of a thin film with uniaxial magnetic anisotropy during ferromagnetic resonance (FMR) excitation in it on the local sites by a linearly polarized high-frequency magnetic field emitted from the 1 mm opening in the metallic screen of the transmission line. It was established that non-uniformities of demagnetizing fields emerging near the film edges lead not only to the change in the FMR field, but also to the change in the value and direction of the uniaxial anisotropy field. The distribution of non-uniformities of the magnetic anisotropy characteristics over the area of 60 nm thick permalloy film that was measured on the scanning FMR spectrometer agrees well with the micromagnetic simulation results. Demagnetizing fields were proved to be the main cause for the edge effects in magnetic films.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Patrin G. S., Yakovchuk V. Yu., Yarikov S. A., Shiyan Ya. G., Furdyk V. P.
Заглавие : Magnetic properties of Fe–Bi film structures
Коллективы : Российская академия наук, Уральское отделение РАН, Институт физики металлов им. М. Н. Михеева Уральского отделения РАН, Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Российский фонд фундаментальных исследований, Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium
Место публикации : Euro-asian symposium "Trends in magnetism" (EASTMAG-2019): Book of abstracts/ чл. конс. ком.: S. G. Ovchinnikov, N. V. Volkov [et al.] ; чл. прогр. ком. D. M. Dzebisashvili [et al.]. - 2019. - Vol. 1. - Ст.C.P31. - P.320. - ISBN 978-5-9500855-7-4 (Шифр В33/E12-125657784)
Примечания : These studies are carried out with the financial support of RFBR (grant No. 18-02-00161-a)
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kobyakov A. V., Turpanov I. A., Patrin G. S., Yushkov V. I., Yarikov S. A., Volochaev M. N., Zhivaya Ya. A.
Заглавие : The role of the semiconductor layer in the exchange-bias film structure of CoNi / Si / FeNi / Si with a spin spring effect
Коллективы : Euro-Asian Symposium "Trends in MAGnetism"
Место публикации : J. Phys. Conf. Ser. - 2019. - Vol. 1389, Is. 1. - Ст.012028. - ISSN 1742-6588, DOI 10.1088/1742-6596/1389/1/012028. - ISSN 1742-6596 (eISSN)
Примечания : Cited References: 13. - These studies are conducted with financial support from the Russian Foundation for Basic Research (grant No.18-02-00161-a).
Аннотация: CoNi / Si / FeNi / Si structures were synthesized by ion-plasma sputtering. A negative hysteresis loop bias was detected at the thickness of the silicon layer was less than 2 nm and the temperature was less than 100 K. A positive hysteresis loop bias was detected at the thickness of the silicon layer was more than 2 nm and the temperature greater than 100K.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Masyugin A. N., Kretinin V. V., Yanushkevich K. I.
Заглавие : References regulating the BiMnxFe1-xO3 film conductivity upon cooling in magnetic and electric fields
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-52-00009 bel_a, 18-32-00079 mol_a, 3.5743.2017/6.7]
Место публикации : Mater. Res. Express. - 2019. - Vol. 6, Is. 11. - Ст.116125. - ISSN 2053-1591, DOI 10.1088/2053-1591/ab4ec7
Примечания : Cited References: 19. - This study was supported by the Russian Foundation for Basic Research project no. 18-52-00009 bel_a, No. 18-32-00079 mol_a. This work is part of the research program the state order No. 3.5743.2017/6.7.
Предметные рубрики: DOMAINS
Аннотация: The magnetic and electrical properties of the BiFe1-xMnxO3 (x = 0.05, 0.15) films in the temperature range of 80–600 K have been investigated. The Curie temperature (Tc) of the films has been determined. A decrease in the conductivity of the films with x = 0.05 upon cooling in an electric field from the temperatures T ˂ Tc has been found. This effect has been described in the model of decreasing quantum well (domain wall) density and the tunneling coefficient drop. A decrease in the conductivity of the BiFe1-xMnxO3 film by more than an order of magnitude upon cooling from high temperatures in a magnetic field has been established. The experimental data are interpreted using the magnetic-field-induced magnetic structure variation and exchange splitting of the impurity subband.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vazhenina I. G., Iskhakov R. S., Rautskii M. V., Milyaev M. A., Naumova L. I.
Заглавие : Ferromagnetic and spin-wave resonance in the [CoFe/Cu]N superlattice thin (30-nm) film
Место публикации : Phys. Solid State. - 2020. - Vol. 62, Is. 1. - P.153-159. - ISSN 10637834 (ISSN), DOI 10.1134/S1063783420010357
Примечания : Cited References: 44. - This study was supported by the Russian Foundation for Basic Research, Government of the Krasnoyarsk Krai, and Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project no. 18-42-243005 “Synthesis and Study of the Magnetic Properties of Gradient Materials with Different Types of a Specified Magnetic Parameter” and project “Spin” no. AAAA-A18-118020290104-2
Аннотация: Angular dependences of the microwave absorption spectra of a (CoFe/Cu)N multilayer film have been studied by the ferromagnetic and spin-wave resonance techniques. The critical angle θc indicating the ranges of excitation of uniform and nonuniform spin modes, type of the boundary conditions, and surface anisotropy and exchange coupling constants have been established. It is shown that the accuracy of identification of individual modes in the spectra plays a key role in the analysis of the detected curves.
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