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A highly selective stripline lowpass filter with more than 100-dB wide stopband attenuation / B. A. Belyaev, A. M. Serzhantov, A. A. Leksikov [et al.] // Tech. Phys. Lett. - 2020. - Vol. 46, Is. 4. - P. 364-367, DOI 10.1134/S1063785020040173. - Cited References: 8. - This study was supported in part by the Ministry of Education and Science of the Russian Federation in the framework of agreement no. 02G25.31.0330. . - ISSN 1063-7850. - ISSN 1090-6533

РУБ Physics, Applied

Кл.слова (ненормированные):
lowpass filter -- substrate -- stripline resonator -- stopband
Аннотация: A new miniature design of a highly selective lowpass filter based on a suspended substrate with a two-sided stripline pattern has been developed. The filter frequency response slope (cutoff attenuation rate) and stopband attenuation depth are determined by transmission zeros, the number of which is equal to the filter order. An experimental prototype of a fifth-order lowpass filter on 0.5-mm-thick alumina substrate with dielectric permittivity ε = 9.8 has been synthesized with the aid of numerical electrodynamic analysis of a three-dimensional model. The cutoff frequency of the filter passband at a –1-dB level is fc = 1.75 GHz. The stopband width at a –100-dB attenuation level reaches 4.4fc.

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Публикация на русском языке Высокоселективный полосковый фильтр нижних частот с уровнем заграждения более 100 dB в широкой полосе [Текст] / Б. А. Беляев, А. М. Сержантов, Ан. А. Лексиков [и др.] // Письма в Журн. техн. физ. - 2020. - Т. 46 Вып. 8. - С. 10-13

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A. M.; Leksikov, An. A.; Лексиков, Андрей Александрович; Bal'va, Y. F.; Бальва, Ярослав Федорович; Grushevskii, E. O.; Грушевский, Евгений Олегович; Khodenkov, S. A.; Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation [02G25.31.0330]
}
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An ultra-wideband stripline bandpass filter with a noise suppression level of more than 100 dB / B. A. Belyaev, A. M. Serzhantov, A. A. Leksikov [et al.] // Tech. Phys. Lett. - 2020. - Vol. 46, Is. 8. - P. 787-791, DOI 10.1134/S1063785020080179. - Cited References: 9. - This work was financially supported by the Ministry of Science and Higher Education of the Russian Federation in the implementation of the integrated project "Creation of a production of earth stations of advanced satellite communications systems to ensure the coherence of hard, northern and Arctic territory of Russian Federation," implemented with the participation of the Federal Research Center "Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences|" (agreement number 075-11-2019-078 dated 13.12.2019) . - ISSN 1063-7850. - ISSN 1090-6533

РУБ Physics, Applied

Кл.слова (ненормированные):
passband filter -- resonator -- dielectric substrate -- strip conductors
Аннотация: An ultra-wideband bandpass filter formed by cascading of a novel high-pass filter (HPF) and a low-pass filter (LPF) on suspended substrates with a two-sided pattern of strip conductor has been investigated. The high selectivity of the HPF is ensured by the transmission zeros near the passband, the number of which is equal to the filter order. A second-order HPF has been designed on a 0.5-mm-thick substrate with a permittivity of ε = 9.8 using the numerical electrodynamic analysis of a 3D model of the filter. The experimental HPF prototype has a cutoff frequency of fb = 0.25 GHz at a level of –3 dB and a passband that extends to 5 GHz. The ultra-wideband bandpass filter formed by cascading of the LPF and the designed HPF has a fractional bandwidth of Δf/f0 = 150% with a central frequency of f0 = 1 GHz. It has the broad and deep high-frequency stopband, which extends to a frequency of 7.8f0 at a suppression level of –100 dB.

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Публикация на русском языке Полосковый сверхширокополосный полосно-пропускающий фильтр с уровнем подавления помех более 100 dB [Текст] / Б. А. Беляев, А. М. Сержантов, Ан. А. Лексиков [и др.] // Письма в Журн. техн. физ. - 2020. - Т. 46 Вып. 16. - С. 7-11

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A. M.; Leksikov, An. A.; Лексиков, Андрей Александрович; Bal'va, Y. F.; Бальва, Ярослав Федорович; Grushevskii, E. O.; Грушевский, Евгений Олегович; Ministry of Science and Higher Education of the Russian Federation [075-11-2019-078]
}
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Effect of a Substrate on the Magnetoelectric Effect in Rare-Earth-Doped Bismuth Iron Garnet / S. S. Aplesnin [et al.] // JETP Letters. - 2019. - Vol. 110, Is. 3. - P. 223-230, DOI 10.1134/S0021364019150074. - Cited References: 29. - This work was supported jointly by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Science Foundation (project no. 18-42-240001 “Temperature-Induced Reversal of the Sign of Magnetoelectric Tensor Components in Neodymium-Doped Bismuth Iron Garnet”), as well as in part by the Russian Foundation for Basic Research (project nos. 18-32-00079_mol_a and 18-52-00009_bel_a) and by the Russian Ministry of Science and Higher Education (state contract no. 3.5743.2017/6.7). . - ISSN 0021-3640
Аннотация: The mechanism of relaxation of the electric polarization in thin films of rare-earth-doped bismuth iron garnet on glass and gallium gadolinium garnet substrates is determined in magnetic fields of 0 and 12 kOe in the temperature range of 80–380 K. The change in the sign of the residual electric polarization after switching off the electric field and the magnetic-field-induced shift of the hysteresis loop in the applied magnetic field are found. Linear and quadratic magnetoelectric effects with the tensor components depending on the substrate type are observed. The linear magnetoelectric effect is related to the spin–orbit coupling of electrons at the film–substrate interface, whereas the quadratic one is determined by the exchange–striction mechanism.

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Публикация на русском языке

Держатели документа:
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, 660014, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Materials Science and Technology, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Masyugin, A. N.; Sitnikov, M. N.; Ishibashi, T.
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Influence of the substrate on the magnetoresistance of bismuth garnet ferrite substitute by rare earth / A. N. Masyugin [et al.] // 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. E.P14. - P. 444-445. - Cited References: 4. - The reported study was funded by Krasnoyarsk Regional Fund of Science according to the participation in the event/internship: The VII Euro-Asian Symposium “Trends in Magnetism” (EASTMAG-2019) . - ISBN 978-5-9500855-7-4

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russia
Department of Materials Science and Technology, Nagaoka University of Technology, Nagaoka, Niigata, Japan

Доп.точки доступа:
Ovchinnikov, S. G. \чл. конс. ком.\; Овчинников, Сергей Геннадьевич; Volkov, N. V. \чл. конс. ком.\; Волков, Никита Валентинович; Dzebisashvili, D. M. \чл. прогр. ком.\; Дзебисашвили, Дмитрий Михайлович; Masyugin, A. N.; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Ishibashi, T.; 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"(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg)
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Solovev, P. N.
Numerical study of structural and magnetic properties of thin films obliquely deposited on rippled substrates / P. N. Solovev, A. V. Izotov, B. A. Belyaev // J. Phys.: Condens. Matter. - 2021. - Vol. 33, Is. 49. - Ст. 495802, DOI 10.1088/1361-648X/ac26fc. - Cited References: 35. - The reported study was funded by RFBR, the Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund and JSC 'NPP Radiosviaz', Project Number 20-42-242901 . - ISSN 0953-8984. - ISSN 1361-648X

РУБ Physics, Condensed Matter
Рубрики:
SIMULATION
ANISOTROPY
GROWTH
Кл.слова (ненормированные):
oblique deposition -- micromagnetic simulation -- thin film growth simulation -- rippled substrate -- magnetic anisotropy -- magnetization reversal
Аннотация: Structural modulation in thin films plays a substantial role in the formation of their magnetic properties. By producing topographic patterns in thin films, it is possible to engineer their magnetic response. Here, we report on the numerical study of the relationship between structural and static magnetic properties of thin films obliquely deposited on substrates with the sinusoidal surface. 3D Monte Carlo film growth simulations show that, under certain deposition conditions, an inhomogeneous columnar morphology can form in the films caused by the shadowing effect and the rippled substrate. Calculations of the demagnetizing tensors for these films demonstrate that their columnar structure is the source of the shape-induced uniaxial magnetic anisotropy that varies nonmonotonically with the deposition angle. Micromagnetic simulations of the generated films confirm the uniaxial character of the shape-induced anisotropy, and also show that magnetization reversal occurs via an incoherent rotation of magnetic moments.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Belyaev, B. A.; Беляев, Борис Афанасьевич; Соловьев, Платон Николаевич; RFBRRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk Territory; Krasnoyarsk Regional Fund; JSC 'NPP Radiosviaz' [20-42-242901]
}
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Structural features and magnetic properties of Co-W films / V. O. Vas'kovskiy, M. N. Volochaev, A. N. Gorkovenko [et al.] // Phys. Solid State. - 2021. - Vol. 63. Is. 7. - P. 1113-1119, DOI 10.1134/S1063783421070246. - Cited References: 23. - This work was carried out with support by the Ministry of Science and Higher Education of the Russian Federation, topic no. FEUZ-2020-0051. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
GIANT MAGNETORESISTANCE
ANISOTROPY
Кл.слова (ненормированные):
film -- doping -- substrate -- structure -- magnetic properties
Аннотация: The structure and magnetic properties of thin polycrystalline films of Co100 – xWx (0 ≤ x ≤ 30) deposited by magnetron sputtering on glass substrates are investigated including those containing buffer layers of Ta, W, and Ru. It is found that films of pure Co are non-single-phase and contain hcp and fcc crystalline modifications. Doping leads to an increase in the concentration of the fcc phase and an enhancement of the texture of the (111) type, and subsequently to the amorphization of the films. The buffer layers influence to a certain extent on the depth and concentration localization of these transformations. A characteristic feature of the magnetism of Co–W films is a significant perpendicular component in the macroscopic magnetic anisotropy, which leads to a “supercritical” magnetic state. It is shown that its source is the textured fcc phase, the crystalline anisotropy of which is enhanced as a result of doping of cobalt with tungsten.

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Публикация на русском языке Структурные особенности и магнитные свойства пленок Co–W [Текст] / В. О. Васьковский, М. Н. Волочаев, А. Н. Горьковенко [и др.] // Физ. тверд. тела. - 2021. - Т. 63 Вып. 7. - С. 915-922

Держатели документа:
Ural Fed Univ, Ekaterinburg, Russia.
Russian Acad Sci, Inst Met Phys, Ural Branch, Ekaterinburg, Russia.
Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk, Russia.

Доп.точки доступа:
Vas'kovskiy, V. O.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Gorkovenko, A. N.; Kravtsov, E. A.; Lepalovskij, V. N.; Feshchenko, A. A.; Ministry of Science and Higher Education of the Russian Federation [FEUZ-2020-0051]
}
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Cu-Ag and Ni-Ag meshes based on cracked template as efficient transparent electromagnetic shielding coating with excellent mechanical performance / A. S. Voronin, Y. V. Fadeev, I. V. Govorun [et al.] // J. Mater. Sci. - 2021. - Vol. 56. Is. 26. - P. 14741-14762, DOI 10.1007/s10853-021-06206-4. - Cited References: 79. - This work was supported by Russian Foundation for Basic Research project «mol_a» № 18-38-00852 and a scholarship from the President of the Russian Federation SP-2235.2019.1. The sputtering Ag seed mesh and physicochemical analysis of materials was carried out on the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS» . - ISSN 0022-2461. - ISSN 1573-4803

РУБ Materials Science, Multidisciplinary
Рубрики:
COPPER NANOWIRES
   METALLIC MESH
   PLASTIC SUBSTRATE
   ELECTRODES
   FILMS
Аннотация: Nowadays, the technical advances call for efficient electromagnetic interference (EMI) shielding of transparent devices which may be subject to data theft. We developed Cu–Ag and Ni–Ag meshes on flexible PET substrate for highly efficiency transparent EMI shielding coating. Cu–Ag and Ni–Ag meshes obtained with galvanic deposition of copper and nickel on thin Ag seed mesh which was made by cracked template method. Coefficients S11, S21 and shielding efficiency (SE) were measured for Cu–Ag and Ni–Ag meshes in X-band (8–12 GHz) and K-band (18–26.5 GHz). 90 s copper deposition increase SE from 23.2 to 43.7 dB at 8 GHz with a transparency of 82.2% and a sheet resistance of 0.25 Ω/sq. The achieved maximum SE was 47.6 dB for Cu–Ag mesh with 67.8% transparency and 41.1 dB for Ni–Ag mesh with 77.8% transparency. Cu–Ag and Ni–Ag meshes have high bending and long-term stability. Minimum bend radius is lower than 100 µm. This effect allows to produce different forms of transparent shielding objects, for example, origami method. Our coatings are the leading among all literary solutions in three-dimensional coordinates: of sheet resistance–optical transmittance–cost of produced.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Fed Res Ctr,FRC KSC SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Reshetnev Univ, Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Voronin, A. S.; Fadeev, Y. V.; Govorun, I. V.; Говорун, Илья Валерьевич; Podshivalov, I. V.; Подшивалов, Иван Валерьевич; Simunin, M. M.; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Karpova, D. V.; Smolyarova, T. E.; Смолярова, Татьяна Евгеньевна; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Karacharov, A. A.; Nemtsev, I. V.; Немцев, Иван Васильевич; Khartov, S. V.; Russian Foundation for Basic Research projectRussian Foundation for Basic Research (RFBR) [18-38-00852]; Russian FederationRussian Federation [SP-2235.2019.1]
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Substrate-mediated lattice Kerker effect in Al metasurfaces / A. S. Kostyukov, A. E. Ershov, R. G. Bikbaev [et al.] // J. Opt. Soc. Am. B. - 2021. - Vol. 38, Is. 9. - P. C78-C83, DOI 10.1364/JOSAB.427939. - Cited References: 62. - Funding. Russian Foundation for Basic Research, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science (20-42-240003); Ministry of Science and Higher Education of the Russian Federation (FSRZ-2020-0008) . - ISSN 0740-3224
Кл.слова (ненормированные):
Plasmonic nanoparticles -- Refractive index -- Half-space environment -- Non-homogeneous -- Regular array -- Sensing applications -- Surface lattice -- Theoretical treatments -- Two-dimensional arrays -- Wavelength ranges -- Geometry
Аннотация: Surface lattice resonances (SLRs) emerging in regular arrays of plasmonic nanoparticles (NPs) are known to be exceptionally sensitive to the homogeneity of the environment. It is considered necessary to have a homogeneous environment for engineering narrowband SLRs, while in a half-space environment, SLRs rapidly vanish as the contrast between the refractive indices of the substrate and superstrate increases. From this conventional wisdom, it is apparent that the delicate lattice Kerker effect emerging from SLRs and resonances on constituent NPs should be difficult to achieve in a non-homogeneous environment. Using a rigorous theoretical treatment with multipolar decomposition, we surprisingly find and explain a narrowband substrate-mediated lattice Kerker effect in two-dimensional arrays of Al nanocylinders in a half-space geometry. We propose to use this effect for sensing applications and demonstrate its broad tunability across the UV/Vis wavelength range.

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Держатели документа:
International Research Center of Spectroscopy and Quantum Chemistry-IRC SQC, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Computational Modelling of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
L. V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
The Institute of Optics, University of Rochester, Rochester, NY 14627, United States

Доп.точки доступа:
Kostyukov, A. S.; Ershov, A. E.; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Gerasimov, V. S.; Rasskazov, I. L.; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.
}
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The regularities of phase formation in Fe3Si(111)/Si(111) structure at vacuum annealing / M. N. Volochaev [et al.] // J. Phys. Conf. Ser. - 2017. - Vol. 857, Is. 1. - Ст. 012053, DOI 10.1088/1742-6596/857/1/012053. - Cited References: 10 . - ISSN 1742-6588
Кл.слова (ненормированные):
Coatings -- High resolution transmission electron microscopy -- Molecular beam epitaxy -- Silicon -- Transmission electron microscopy -- Phase formations -- Polycrystalline -- Polycrystalline film -- Si(111) substrate -- Vacuum-annealing -- Annealing
Аннотация: The regularities of phase formation and thermal stability in Fe3Si(111)/Si(111) structure at stepped vacuum annealing (350, 450 and 550 °C) were investigated. The layer of 32 nm Fe3Si was deposited onto Si(111) substrate by molecular beam epitaxy at 260 °C. Transmission electron microscopy (TEM) measurements demonstrated that the film thickness increases by ∼19 % at 350 °C annealing without changing the phase composition. The polycrystalline -FeSi sublayer was formed on the interface at 450 °C annealing. Further annealing at 550 °C led to the ∼ 80 nm polycrystalline film formation containing the crystallites of -FeSi, Fe5Si3, and β-FeSi2 phases.

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Доп.точки доступа:
Volochaev, M. N.; Волочаев, Михаил Николаевич; Tarasov, I. A.; Тарасов, Иван Анатольевич; Loginov, Yu. Yu.; Cherkov, A. G.; Kovalev, I. V.; International Conference on Films and Coatings(13th ; St. Petersburg)(18 - 20 April 2017)
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10.

Determination of magnetic anisotropies and miscut angles in epitaxial thin films on vicinal (111) substrate by the ferromagnetic resonance / B. A. Belyaev [et al.] // J. Magn. Magn. Mater. - 2017. - Vol. 440: EURO-Asian Symposium on Trends in Magnetism (EASTMAG) (AUG 15-19, 2016, Siberian Fed Univ, Krasnoyarsk, RUSSIA). - P. 181-184, DOI 10.1016/j.jmmm.2016.12.081. - Cited References:16. - This work was supported by the Ministry of Education and Science of the Russian Federation, Task no. 3.528.2014K. . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SURFACE
SPECTROMETER
SPINTRONICS
Кл.слова (ненормированные):
Thin film -- Ferromagnetic resonance -- Magnetic anisotropy -- Vicinal (111) -- surface -- Iron silicide
Аннотация: A method for determining magnetic anisotropy parameters of a thin single-crystal film on vicinal (111) substrate as well as substrate miscut angles from angular dependence of ferromagnetic resonance field has been proposed. The method is based on the following: (i) a new approach for the solution of the system of nonlinear equations for equilibrium and resonance conditions; (ii) a new expression of the objective function for the fitting problem. The study of the iron silicide films grown on vicinal Si(111) substrates with different miscut angles confirmed the efficiency of the method. The proposed method can be easily generalized to determine parameters of single-crystal films grown on substrates with an arbitrary cut.

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Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Izotov, A. V.; Изотов, Андрей Викторович; Solovev, P. N.; Соловьев, Платон Николаевич; Yakovlev, I. A.; Ministry of Education and Science of the Russian Federation [3.528.2014K]; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
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11.

Ferromagnetic Resonance Study of the epitaxial Fe3Si(111) film on the Si(111) substrate / M. V. Rautskii [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. O5.5. - P. 253. - References: 2 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
iron silicide -- FMR -- magnetic anisotropy

Доп.точки доступа:
Rautskii, M. V.; Рауцкий, Михаил Владимирович; Tarasov, I. A.; Тарасов, Иван Анатольевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Bondarev, I. A.; Бондарев, Илья Александрович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Volkov, N. V.; Волков, Никита Валентинович; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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12.

Bondarev, I. A.
Magnetic and transport properties of the epitaxial Fe3Si film on a Si substrate / I. Bondarev // Int. workshop on actual probl. of cond. matt. phys. : Program. Book of abstracts / Fed. Res. Center KSC SB RAS, Kirensky Inst. of phys., Sib. Fed. Univ. - Krasnoyarsk, 2017. - P. 25

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Доп.точки доступа:
Ovchinnikov, S. G. \предс. прогр. ком.\; Овчинников, Сергей Геннадьевич; Бондарев, Илья Александрович; Federal Research Center KSC SB RAS; Kirensky Institute of Physics; Siberian Federal UnivercityInternational Workshop on Actual Problems of Condensed Matter Physics(27 Mar. - 1 Apr. 2017 ; Krasnoyarsk / Cheremushki)
}
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13.

Miniaturized suspended-substrate two-conductors resonator and a filter on its base / A. A. Leksikov [et al.] // Prog. Electromagn. Res. M. - 2019. - Vol. 84. - P. 127-135, DOI 10.2528/PIERM19060604. - Cited References: 14. - The work is supported by the Ministry of science and highest education of the Russian Federation (contract #03.G25.31.0279). . - ISSN 1937-8726
Кл.слова (ненормированные):
Natural frequencies -- Central frequency -- Compact filter -- Coupling coefficient -- Lateral sizes -- Pass bands -- Return loss -- Space between -- Suspended substrates -- Resonators
Аннотация: The paper is devoted to an investigation of two-conductor suspended-substrate resonators. For the purpose of miniaturization conductors of a resonator are folded. Four types of the resonator differing in conductors’ configurations were considered. Their Q0-factors and resonant frequencies were studied. Based on results of the study two types of the resonator appeared unsuitable for an application in compact filters. Two other types were investigated in concern of their interaction: dependencies of coupling coefficients versus space between resonators and versus distance from substrate’s surfaces, and package’s covers were obtained. Based on the dependences a type of the resonator suitable for designing compact BPF was chosen. A four-pole BPF was simulated and fabricated. Good agreement between simulated and experimental results is observed. The main filter’s characteristics are the next: substrate has ε = 80, thickness 0.5 mm, lateral sizes 0.13λg × 0.09λg (18.7mm× 13.2 mm). The central frequency is 305 MHz; bandwidth is 39 MHz; passband minimum insertion loss is 2.0 dB; passband return loss is less −14.6dB; −40 dB stopband width is 480 MHz.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Leksikov, A. A.; Лексиков, Александр Александрович; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Govorun, I. V.; Говорун, Илья Валерьевич; Afonin, A. O.; Афонин, Алексей Олегович; Ugryumov, A. V.; Угрюмов, Андрей Витальевич; Leksikov, An. A.; Лексиков, Андрей Александрович
}
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14.

Experimental study of the magnetic characteristics of nanocrystalline thin films: the role of edge effects / B. A. Belyaev [et al.] // Mater. Res. Express. - 2019. - Vol. 6, Is. 11. - Ст. 116105, DOI 10.1088/2053-1591/ab4456. - Cited References: 37. - This work was supported by RFBR according to the research project no. 18-32-00086 and by the Ministry of Science and Higher Education of the Russian Federation no. 3.1031.2017/PCh. . - ISSN 2053-1591

РУБ Materials Science, Multidisciplinary
Рубрики:
FERROMAGNETIC-RESONANCE
   ANISOTROPIES
   ROUGHNESS
   SUBSTRATE
Кл.слова (ненормированные):
magnetic anisotropy -- ferromagnetic resonance -- nanocrystalline film -- soft magnetic film -- thin film edges
Аннотация: Magnetic characteristics and their spatial distribution of magnetron sputtered nanocrystalline NiFe thin films of various compositions were investigated by ferromagnetic resonance (FMR) and magneto-optical Kerr effect microscopy. A sharp increase in the FMR line width and a strong deviation of the uniaxial magnetic anisotropy field were observed near the film edges. It was shown that the observed magnetic anisotropy behavior can be explained by assuming that besides the field-induced uniaxial magnetic anisotropy an additional source of the uniaxial anisotropy near the film edges exists, with the easy axis parallel to the edges. The possible origins of this additional contribution were discussed.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 66041, Russia.

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Izotov, A. V.; Изотов, Андрей Викторович; Skomorokhov, G. V.; Скоморохов, Георгий Витальевич; Solovev, P. N.; Соловьев, Платон Николаевич; RFBRRussian Foundation for Basic Research (RFBR) [18-32-00086]; Ministry of Science and Higher Education of the Russian Federation [3.1031.2017/PCh]
}
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15.

A method of stopband widening in BPF based on two-conductor suspended-substrate resonators / A. A. Leksikov [et al.] // Prog. Electromagn. Res. Lett. - 2018. - Vol. 72. - P. 11-16, DOI 10.2528/PIERL17102302. - Cited References: 10 . - ISSN 1937-6480
Кл.слова (ненормированные):
Fourth order -- Microwave bandpass filter -- Stopband -- Stripline resonators -- Suspended substrates -- Wide upper stopband
Аннотация: A method aiming to widen the upper stopband in a microwave bandpass filter based on two-conductor suspended-substrate stripline resonators is described in this letter. Applicability of the method is illustrated by simulating and fabricating fourth-order filter that has a very wide upper stopband: Δfstop/f0 = 7.92 measured at a level -50 dB, which is achieved because the widths of the inner resonators in the structure are 1.4 times greater than that of the outer ones.

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Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Leksikov, A. A.; Лексиков, Александр Александрович; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Govorun, I. V.; Говорун, Илья Валерьевич; Afonin, A. O.; Афонин, Алексей Олегович; Ugryumov, A. V.; Угрюмов, Андрей Витальевич; Leksikov, An. A.; Лексиков, Андрей Александрович
}
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16.

A Highly Selective Bandpass Filter Based on Suspended Substrate Resonators with a Two-Sided Stripline Pattern / B. A. Belyaev [et al.] // Tech. Phys. Lett. - 2019. - Vol. 45, Is. 5. - P. 485-488, DOI 10.1134/S1063785019050225. - Cited References: 14. - This study was supported in part by the Ministry of Education and Science of the Russian Federation, agreement no. 14.575.21.0142, unique project identifier RFMEFI57517X0142. . - ISSN 1063-7850. - ISSN 1090-6533

РУБ Physics, Applied
Рубрики:
MICROSTRIP
FEATURES
Аннотация: New resonator design employing a hairpin stripline conductor with a stub situated on one side of a dielectric substrate and regular stripline conductors (connected to a screen) on the other side. Eigenfrequencies of the first three oscillation modes of this resonator can be made closer to each other, so that the resonances of two modes are involved in the formation of the passband while the third mode resonance forms a minimum of the transmission coefficient adjacent to the passband. A structure comprising four resonators of this type has the characteristic of an eighth-order bandpass filter arranged in a case with 45 × 16 × 6.25-mm internal dimensions possessing f0 = 0.52 GHz central frequency with a 14% relative bandwidth. The filter is highly selective due to the attenuation poles being close to the pass band and a wide high-frequency stopband extending above a fivefold f0 value at a level of –100 dB.

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Публикация на русском языке Высокоселективный полосно-пропускающий фильтр на резонаторах с двухсторонним рисунком полосковых проводников на подвешенной подложке [Текст] / Б. А. Беляев [и др.] // Письма в ЖТФ. - 2019. - Т. 45 Вып. 10. - С. 13-16

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660074, Russia.

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A. M.; Bal'va, Y. F.; Бальва, Ярослав Федорович; Leksikov, An. A.; Лексиков, Андрей Александрович; Grushevskii, E. O.; Грушевский, Евгений Олегович; Ministry of Education and Science of the Russian Federation [14.575.21.0142, RFMEFI57517X0142]
}
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17.

Tailoring the microwave properties of thin permalloy films using a periodically grooved substrate / A. V. Izotov, B. A. Belyaev, N. M. Boev [et al.] // Physica B. - 2022. - Vol. 629. - Ст. 413654, DOI 10.1016/j.physb.2021.413654. - Cited References: 50. - This work was supported by the Ministry of Science and Higher Education of the Russian Federation, agreement number 075-11-2019054 dated November 22, 2019 . - ISSN 0921-4526. - ISSN 1873-2135

РУБ Physics, Condensed Matter
Рубрики:
FERROMAGNETIC-RESONANCE
   MAGNETIC-PROPERTIES
   ANISOTROPY
   FREQUENCY
Кл.слова (ненормированные):
Patterned film -- Topography-induced anisotropy -- Netzelmann approach -- Ferromagnetic resonance -- Damping parameter
Аннотация: Thin magnetic films with periodic surface topography are of special interest for microwave applications as their static and dynamic magnetic characteristics can be readily adjusted. In this paper, we explore the capabilities of a simple method for producing large-area periodically patterned films by creating regularly spaced grooves on a substrate using a diamond cutter. For 110-nm-thick films, it was found that the substrate-topography-induced magnetic anisotropy was inversely proportional to the pattern period, which in experimental samples varied from 5 to 20 mu m. Based on the Netzelmann theory, analytical expressions for demagnetization tensor components were obtained, which accord well with the experimental data. The measurements of the natural ferromagnetic resonance spectra demonstrated that the increase of the topography-induced magnetic anisotropy with the decrease of the pattern period led to the increase of the resonance frequency from 0.65 to 1.86 GHz, and to a decrease of the linewidth and effective damping parameter.

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Держатели документа:
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Belyaev, B. A.; Беляев, Борис Афанасьевич; Boev, N. M.; Боев, Никита Михайлович; Burmitskikh, A. V.; Бурмитских, Антон Владимирович; Leksikov, An. A.; Лексиков, Андрей Александрович; Skomorokhov, G. V.; Скоморохов, Георгий Витальевич; Solovev, P. N.; Соловьев, Платон Николаевич; Ministry of Science and Higher Education of the Russian Federation [075-11-2019054]
}
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18.

Microstrip rejecting bandstop filter / A. A. Leksikov, A. O. Afonin, A. A. Aleksandrovsky [et al.] // 2022 IEEE International Multi-Conference on Engineering, Computer and Information Sciences, SIBIRCON 2022 : IEEE, 2022. - P. 1200-1203, DOI 10.1109/SIBIRCON56155.2022.10016938. - Cited References: 13
Кл.слова (ненормированные):
microstrip -- BSF -- through line -- resonator -- rejection -- stopband -- substrate -- shielding
Аннотация: The paper is devoted to simulation, designing and fabrication of a microstrip 5-order bandstop rejecting filter. The bandstop filter uses classic schem, e.g. it consists of a microstrip through (common) line whose ends serve input and output ports. In the vicinity of the line a number of microstrip rejecting resonators locate, in our case five S-shaped resonators. They electromagnetically interact with the line, that forces signals, having frequenscies, bieng equal to the resonant ones, to reject (reflect) from a device. Dielectric substrate of the device has thickness 1.0 mm, and other sizes are 44.0×20.0 mm 2 . The filter described in this work has shielding. In a band 1480 MHz …1499 MHz rejection exceeds 50 dB. Transmission bands at a level –2 dB are 0…1437 MHz and 1563 MHz…3000 MHz lower and upper correspondingly. Return loss in the passbands does not exceed –16 dB (VSWR≤1.4). Good agreement is observed between simulated and experimental data. Fabricated filter has small size.

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Держатели документа:
Laboratory of Electrodynamics and Microwave Electronics, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Laboratory of Scientific Instrumentation, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
IITC Research Laboratory, Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Leksikov, A. A.; Лексиков, Александр Александрович; Afonin, A. O.; Афонин, Алексей Олегович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Ugryumov, A. V.; Угрюмов, Андрей Витальевич; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Govorun, I. V.; Говорун, Илья Валерьевич; IEEE International Multi-Conference on Engineering, Computer and Information Sciences 2022(1-13 November 2022 ; Yekaterinburg, Russian Federation)
}
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19.

A high-selectivity wideband bandpass dual-mode microstrip filter / B. A. Belyaev, S. A. Khodenkov, I. V. Govorun, A. M. Serzhantov // Dokl. Phys. - 2022. - Vol. 67, Is. 3. - P. 89-93, DOI 10.1134/S1028335822020021. - Cited References: 12. - This study was carried out within a State Assignment, project no. FEFE-2020-0013, of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 1028-3358. - ISSN 1562-6903
Кл.слова (ненормированные):
microstrip resonator -- bandpass filter -- slope steepness -- frequency response -- dielectric substrate
Аннотация: A half-wave microstrip resonator design with an irregular strip conductor short-circuited to the screen by its ends has been investigated. Based on the resonances of the first two oscillatory modes of this resonator, a miniaturized second-order filter with a fractional bandwidth from 40% to 90% has been implemented, which has a wide high-frequency stopband. A prototype of the designed eight-order filter based on four dual-mode resonators with a passband center frequency of 2 GHz and a fractional bandwidth of 40% has been fabricated on an alumina substrate 45.0 × 10.5 × 1.0 mm3 in size with a permittivity of ε = 9.8. The filter frequency response slopes are extremely steepness due to two attenuation poles located on the left and right sides of the passband. The experimental characteristics of the prototype are in good agreement with the data of the numerical electromagnetic simulation of the 3D model of the filter.

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Публикация на русском языке Широкополосный высокоселективный микрополосковый фильтр на двухмодовых резонаторах [Текст] / Б. А. Беляев, С. А. Ходенков, И. В. Говорун, А. М. Сержантов // Доклады Академии наук. Физика, технические науки. - 2022. - Т. 503 № 1. - С. 57-62

Держатели документа:
Siberian State University of Science and Technology, 660014, Krasnoyarsk, Russia
Siberian Federal University, 660041, Krasnoyarsk, Russia
Kirenskii Institute of Physics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Belyaev, B. A.; Khodenkov, S. A.; Govorun, I. V.; Serzhantov, A. M.
}
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20.

Magnetic properties of mn-doped Fe3+xSi1–x films synthesized on soi substrate by low temperature annealing / A. V. Lukyanenko, A. S. Tarasov, I. A. Tarasov [et al.] // VIII Euro-Asian symposium "Trends in magnetism" (EASTMAG-2022) : Book of abstracts / program com. S. G. Ovchinnikov [et al.]. - 2022. - Vol. 2, Sect. J : Soft and hard magnetic materials. - Ст. J.P24. - P. 248-249. - Cited References: 6. - The research was funded by Krasnoyarsk Regional Fund of Science . - ISBN 978-5-94469-051-7

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia
Federal Research Center KSC SB RAS, Krasnoyarsk, Russia

Доп.точки доступа:
Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, A. S.; Тарасов, Антон Сергеевич; Tarasov, I. A.; Тарасов, Иван Анатольевич; Rauckii, M.V.; Рауцкий, Михаил Владимирович; Yakovlev, I. A.; Яковлев, Иван Александрович; Kosyrev, N. N.; Косырев, Николай Николаевич; Komarov, V. A.; Shanidze, L. V.; Шанидзе, Лев Викторович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Volkov, N. V.; Волков, Никита Валентинович; 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"(8 ; 2022 ; Aug. ; 22-26 ; Kazan); "Trends in MAGnetism", Euro-Asian Symposium(8 ; 2022 ; Aug. ; 22-26 ; Kazan)
}
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