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A key role of tensile strain and surface termination in formation and properties of La0.7Sr0.3MnO3 composites with carbon nanotubes / E. A. Kovaleva [et al.] // Comput. Mater. Sci. - 2017. - Vol. 139. - P. 125-131, DOI 10.1016/j.commatsci.2017.07.021. - Cited References: 39. - This work was supported by National Research Foundation of Republic of Korea under Grant No. NRF-2017R1A2B4004440 and the government contract of the Ministry of Education and Science of the Russian Federation to Siberian Federal University (Grant No. 16.1455.2017/PCh). The authors would like to thank Joint Supercomputer Center of RAS, Moscow; Center of Equipment for Joint Use of Siberian Federal University, Krasnoyarsk; and Information Technology Centre, Novosibirsk State University for providing the access to their supercomputers. P.B.S gratefully acknowledges the financial supports of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST «MISiS» (No. К2-2017-001) and RFBR, according to the research project No. 16-32-60138 mol_a_dk. E.A. Kovaleva would also like to acknowledge the program of the President of Russian Federation for Leading Scientific Schools Support (Grant No. 2016 NSh-7559.2016.2). . - ISSN 0927-0256
Кл.слова (ненормированные):
Carbon nanotubes -- LSMO -- Interface -- Spin polarization
Аннотация: Atomic and electronic structure of LSMO-based composites with carbon nanotubes were studied by means of density functional theory with respect to the termination of LSMO surface. The deformation of the tubes caused by the lattice mismatch with the substrate leads to a major change in their electronic structure. The surface terminated with Mn-O layer provides much stronger interaction with carbon nanotubes than Sr-O terminated one does. The interaction with transition metal atoms is essential for spin polarization of the nanotube while no spin injection was observed for Sr-O-supported tubes. © 2017 Elsevier B.V.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, 50 Akademgorodok, Krasnoyarsk, Russian Federation
Kyungpook National University, 80 Daehakro, Bukgu, Daegu, South Korea
National University of Science and Technology MISiS, 4 Leninskiy prospekt, Moscow, Russian Federation

Доп.точки доступа:
Kovaleva, E. A.; Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Kholtobina, A. S.; Kuklin, A. V.; Куклин, Артем Валентинович; Tomilin, F. N.; Томилин, Феликс Николаевич; Sorokin, P. B.
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Parshin, A. M.
Alignment of liquid crystals by polymers with residual amounts of solvents / A. M. Parshin, V. Y. Zyryanov, V. F. Shabanov // Sci. Rep. - 2017. - Vol. 7. - Ст. 3042, DOI 10.1038/s41598-017-03243-5. - Cited References:21. - This work was supported by the Russian Foundation for Basic Research (project No. 15-02-06924 and No. 16-53-00073). . - ISSN 2045-2322

РУБ Multidisciplinary Sciences
Рубрики:
DISCLINATIONS
INTERFACE
DEFECTS
Аннотация: The homogeneous nematic layers in liquid crystal cells with treated surfaces are affected by orientational transitions in the electric, magnetic, or temperature fields. The liquid crystal structures formed on solid or liquid surfaces find limited application in identifying the liquid-crystal states by the textures observed in polarized light. The use of surfaces prepared from polymer solutions makes it possible to significantly broaden the range of application of the liquid crystal structures. We investigate the structures with the continuous transformation of the nematic director orientation from radial to planar, which were formed by the polycarbonate surface in the presence of different residual solvents. The structures contained the disclination lines that aligned either by a plate rubbed to provide the homogeneous planar orientation in the LC layer or by a magnetic field applied along the polycarbonate film during the structure formation. The orientational transitions caused by surface treatment, temperature, and electric or magnetic fields in these structures are observed. The comparison of temperature critical distance as well as electric and magnetic coherence lengths with equilibrium length calculated from the expression for the free energy of the nematic is performed. The electro-optical characteristics of the nematic structures are obtained.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Паршин, Александр Михайлович; Russian Foundation for Basic Research [15-02-06924, 16-53-00073]
}
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Analysis of the structure and magnetic properties of an interface in multilayered (Fe/Si) N nanostructures with the surface-sensitive XMCD method / M. S. Platunov [et al.] // JETP Letters. - 2014. - Vol. 99, Is. 12. - P. 706-711, DOI 10.1134/S002136401412011X. - Cited References: 26. - We are grateful to S.V. Komogortsev for stimulating discussions and to the management of BESSY II, Helmholtz-Zentrum Berlin, for the opportunity of performing experiments at the UE46-PGM1 beamline. This work was supported by the Russian Foundation for Basic Research (project nos. 13-02-01265a and 14-02-31051mol-a), by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh- 2886.2014.2), by the Presidium of the Russian Academy of Sciences (program no. 24.34), and by the Ministry of Education and Science of the Russian Federation (state contract no. 02.G25.31.0043 and state task for research at Siberian Federal University in 2014). . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
RAY CIRCULAR-DICHROISM
   YIELD
   SPECTRA
   Fe
Аннотация: The structural and magnetic properties of (Fe/Si) N nanostructures obtained by successive deposition on the SiO2/Si(100) surface at a temperature of the substrate of 300 K have been studied. The thicknesses of all Fe and Si layers have been determined by transmission electron microscopy measurements. The magnetic properties have been studied by the X-ray magnetic circular dichroism (XMCD) method near the Fe L 3, 2 absorption edges. The orbital (m l ) and spin (m S ) contributions to the total magnetic moment of iron have been separated. The thicknesses of magnetic and nonmagnetic iron silicide on the Si/Fe and Fe/Si interfaces have been determined with the surface sensitivity of the XMCD method and the model of the interface between the nonmagnetic and weakened magnetic phases.

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Публикация на русском языке Анализ структуры и магнитных свойств интерфейса в многослойных наноструктурах (Fe/Si)N с применением поверхностно-чувствительного метода XMCD [Текст] / М. С. Платунов [и др.] // Письма в Журн. эксперим. и теор. физ. - 2014. - Т. 99 Вып. 11-12. - С. 817-823

Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Helmholtz Zentrum Berlin, BESSY II, D-12489 Berlin, Germany

Доп.точки доступа:
Platunov, M. S.; Платунов, Михаил Сергеевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Weschke, E.; Schierle, E.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Russian Foundation for Basic Research [13-02-01265a, 14-02-31051mol-a]; Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools [NSh- 2886.2014.2]; Presidium of the Russian Academy of Sciences [24.34]; Ministry of Education and Science of the Russian Federation [02.G25.31.0043]
}
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Visotin, M. A.
Approach for prediction of orientation relationships and interface structures and its application to α-, β-, γ-FeSi2 and Si / M. A. Visotin, I. A. Tarasov // Nanostructures: physics and technology : proc. 28th Int. symp. - 2020. - Ст. NC.13. - P. 152-153. - Cited References: 13 . - ISBN 978-5-93634-066-6

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Доп.точки доступа:
Tarasov, I. A.; Тарасов, Иван Анатольевич; Высотин, Максим Александрович; Nanostructures: Physics and Technology, International Symposium(28 ; 2020 ; 28 Sept.-2 Oct. ; Minsk, Belarus); Институт физики им. Б. И. Степанова НАН Беларуси; Санкт-Петербургский национальный исследовательский Академический университет Российской академии наукФизико-технический институт им. А.Ф. Иоффе РАН; Научно-технологический центр микроэлектроники и субмикронных гетероструктур Российской академии наук
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Chiral optical Tamm state at the interface between multilayer polarization-preserving anisotropic mirror and cholesteric / N. V. Rudakova [et al.] // The 4th Asian Conference on Liquid Crystals (ACLC 2019) : abstracts. - 2019. - P. . - Библиогр.: 4

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Доп.точки доступа:
Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Chen, K.-P.; Lee, W.; Asian Conference on Liquid Crystals(4 ; 2019 ; Jan. 17-18 ; Shenzhen, China)
}
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Chiral optical Tamm states at the interface between a cholesteric and an all-dielectric polarization-preserving anisotropic mirror / N. V. Rudakova [et al.] // Abstracts of 27th International Liquid Crystal Conference (ILCC 2018). - 2018. - Ст. 4-D-12. - Cited References: 3

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Доп.точки доступа:
Rudakova, N. V.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Bikbaev, R. G.; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Lee, W.; International Liquid Crystal Conference(27 ; 2018 ; July ; 22-27 ; Kyoto, Japan)
}
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Chiral optical Tamm states at the interface between a Dye-doped cholesteric liquid crystal and an anisotropic mirror / A. Yu. Avdeeva, S. Ya. Vetrov, R. G. Bikbaev [et al.] // Materials. - 2020. - Vol. 13, Is. 15. - Ст. 3255, DOI 10.3390/ma13153255. - Cited References: 44. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 19-42-240004 and by Russian Foundation for Basic Research, project No. 19-52-52006 . - ISSN 1996-1944

РУБ Materials Science, Multidisciplinary
Рубрики:
PHASE
POLARIZATION
MODES
Кл.слова (ненормированные):
localization of light -- photonic crystals -- chirality -- dye-doped cholesteric liquid crystal -- optical Tamm states -- resonant frequency dispersion
Аннотация: The resonant splitting of optical Tamm state numerically is demonstrated. The Tamm state is localized at the interface between a resonant chiral medium and a polarization-preserving anisotropic mirror. The chiral medium is considered as a cholesteric liquid crystal doped with resonant dye molecules. The article shows that the splitting occurs when dye resonance frequency coincides with the frequency of the Tamm state. In this case the reflectance, transmittance, and absorptance spectra show two distinct Tamm modes. For both modes, the field localization is at the interface between the media. The external field control of configurable optical and structural parameters paves the way for use in tunable chiral microlaser.

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Публикация в сборнике Soft photonic crystals and metamaterials [Текст] / ed., pref.: I. V. Timofeev, W. Lee, 2022. - VII с. ; 127 с. (Введено оглавление)

Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Avdeeva, A. Yu.; Авдеева, Анастасия Юрьевна; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [19-42-240004]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-52-52006]
}
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Chiral optical Tamm states at the interface between an all-dielectric polarization-preserving anisotropic mirror and a cholesteric liquid crystal / N. V. Rudakova [et al.] // Crystals. - 2019. - Vol. 9, Is. 10. - Ст. 502, DOI 10.3390/cryst9100502. - Cited References: 48. - Russian Foundation for Basic Research (RFBR), Russia, grant No. 19-52-52006; Ministry of Science and Technology, Taiwan (MOST), grant No. 106-2923-M-009-002-MY3; M.V.P. thanks RFBR and KRSTSF for the research Project No. 18-42-243025. . - ISSN 2073-4352
Кл.слова (ненормированные):
Optical Tamm state -- Cholesteric liquid crystal -- Polarization-preserving anisotropic mirror
Аннотация: As a new localized state of light, the chiral optical Tamm state exists at the interface between a polarization-retaining anisotropic mirror and a substance with optical activity. Considering a hybrid structure comprising a metal-free polarization-preserving mirror and a cholesteric liquid crystal, we highlight the high Q factor arising from the all-dielectric framework. The intensity of localized light decreases exponentially with increasing distance from the interface. The penetration of the field into the cholesteric liquid crystal is essentially prohibited for wavelengths lying in the photonic bandgap and close to the cholesteric pitch length. The dielectric mirror has its own photonic bandgap. The energy transfer along the interface can be effectively switched off by setting the tangential wave vector to zero. The spectral behavior of the chiral optical Tamm state is observed both as reflection and transmission resonance. This Fano resonance is analogous to the Kopp-Genack effect. Our analytics are well in line with precise calculations, which may pave a new route for the future development of intelligent design for laser and sensing applications.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Imaging and Biomedical Photonics, College of Photonics, National Chiao Tung University, Tainan, 71150, Taiwan

Доп.точки доступа:
Rudakova, N. V.; Рудакова, Наталья Викторовна; Timofeev, I. V.; Тимофеев, Иван Владимирович; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Pyatnov, M. V.; Пятнов, Максим Владимирович; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Lee, W.
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Density-functional study of the Si/SiO2 interfaces in short-period superlattices: Vibrational states and Raman spectra / M. Smirnov, E. Roginskii, A. Savin [et al.] // Photonics. - 2023. - Vol. 10, Is. 8. - Ст. 902, DOI 10.3390/photonics10080902. - Cited References: 61. - The study was supported by grants from the Russian Science Foundation (project No. 22-22-20021) and the Saint-Petersburg Science Center (project No. 32/2022), using the resources of the Computing Center and the Center for Optical and Laser Materials Research at the Research Park of St. Petersburg State University. - The study was performed using the resources of the Computing Center and the Center for Optical and Laser Materials Research at the Research Park of St. Petersburg State University. The authors thank Konstantin Smirnov for his valuable advice. The calculations were also performed in part using the facilities of the JSCC supercomputer center at RAS and the Konstantinov computational center at the Ioffe Institute . - ISSN 2304-6732
Кл.слова (ненормированные):
silicon -- cristobalite -- interface -- superlattice -- Raman spectra -- DFT modelling
Аннотация: Raman spectroscopy has proven its effectiveness as a highly informative and sensitive method for the nondestructive analysis of layered nanostructures and their interfaces. However, there is a lack of information concerning the characteristic phonon modes and their activity in Si/SiO2 nanostructures. In order to overcome this problem, the phonon states and Raman spectra of several Si/SiO2 superlattices (SL) with layer thicknesses varied within 0.5–2 nm are studied using DFT-based computer modeling. Two types of structures with different interfaces between crystalline silicon and SiO2 cristobalite were studied. A relationship between the phonon states of heterosystems and the phonon modes of the initial crystals was established. Estimates of the parameters of deformation potentials are obtained, with the help of which the shifts of phonon frequencies caused by elastic strains in the materials of the SL layers are interpreted. The dependence of intense Raman lines on the SL structure has been studied. Several ways have been proposed to use this information, both for identifying the type of interface and for estimating the structural parameters. The obtained information will be useful for the spectroscopic characterization of the silicon/oxide interfaces.

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Держатели документа:
Faculty of Physics, Saint-Petersburg State University, Universitetskaya nab. 7/9, Saint-Petersburg 199034, Russia
Laboratory of Spectroscopy of Solid State, Ioffe Institute, Politehnicheskaya St. 26, Saint-Petersburg 194021, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok St. 50/38, Krasnoyarsk 660036, Russia
School of Engineering and Construction, Siberian Federal University, Svobodny pr. 82, Krasnoyarsk 660041, Russia
Center for Optical and Laser Materials Research, Research Park, Saint-Petersburg State University, Universitetskaya nab. 7/9, Saint-Petersburg 199034, Russia

Доп.точки доступа:
Smirnov, Mikhail; Roginskii, Evgenii; Savin, Aleksandr; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pankin, Dmitrii
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10.

Belyaev, B. A.
Diffraction of electromagnetic waves on a one-dimensional strip conductor grating located at the interface between dielectric media / A. Belyaev, V. V. Tyurnev // Russ. Phys. J. - 2015. - Vol. 58, Is. 5. - P. 646-657, DOI 10.1007/s11182-015-0546-1. - Cited References:17. - This work was supported in part by the Ministry of Education and Science of the Russian Federation (Agreement No. 14.607.21.0039). . - ISSN 1064-8887. - ISSN 1573-9228

РУБ Physics, Multidisciplinary
Рубрики:
TRANSMISSION COEFFICIENTS
   MULTILAYER STRUCTURE
   BANDPASS-FILTERS
   REFLECTION
Кл.слова (ненормированные):
electromagnetic waves -- dielectric layers -- strip conductors -- diffraction
Аннотация: Analytical formulas are derived for the transmission and reflection coefficients of electromagnetic E- and H-waves incident at an arbitrary angle on a one-dimensional strip conductor grating located at the interface between two dielectric media. The feasibility of adjusting the grating reflectivity within wide limits by varying its design parameters is demonstrated, which allows these structures to be used in multilayered dielectric bandpass filters.

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Публикация на русском языке Беляев, Борис Афанасьевич. Дифракция электромагнитных волн на одномерной решетке полосковых проводников, расположенной на границе раздела диэлектрических сред [Текст] / Б. А. Беляев, В. В. Тюрнев // Изв. вузов. Физика : Томский государственный университет, 2015. - Т. 58 № 5. - С. 57-66

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Беляев, Борис Афанасьевич; Ministry of Education and Science of the Russian Federation [14.607.21.0039]
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11.

Altunin, R. R.
Effect of the structural properties on the electrical resistivity of the Al/Ag thin films during the solid-state reaction / R. R. Altunin, E. T. Moiseenko, S. M. Zharkov // Phys. Solid State. - 2020. - Vol. 62, Is. 4. - P. 708-713, DOI 10.1134/S1063783420040034. - Cited References: 43. - This study was supported by the Russian Science Foundation, project no. 18-13-00080. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
LIGHT-EMITTING-DIODES
   PHASE-FORMATION
   AG
   AL
   DIFFUSION
   SUPPRESSION
   INTERFACE
   SURFACE
   GROWTH
   HEAT
Кл.слова (ненормированные):
thin films -- phase formation -- Al/Ag -- solid-state reaction; -- electron diffraction -- resistivity
Аннотация: Based on the results of in situ electron diffraction study of the solid-state reaction and electrical resistivity measurements on the Al/Ag thin films with an atomic ratio of Al : Ag = 1 : 3, the temperature of the reaction onset has been established and a model of the structural phase transitions has been proposed. The solid-state reaction begins at 70°C with the formation of the Al–Ag solid solution at the interface between the aluminum and silver nanolayers. It has been found that, in the course of the reaction, the intermetallic compounds γ-Ag2Al → μ-Ag3Al are successively formed. It is shown that the possibility of the formation of the μ‑Ag3Al phase during the solid-state reaction in the Al/Ag thin films depends on the aluminum-to-silver ratio, while the formation of the μ-Ag3Al phase begins only after all fcc aluminum has reacted.

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Публикация на русском языке Алтунин Р. Р. Влияние структурных свойств на электросопротивление тонких пленок Al/Ag в процессе твердофазной реакции [Текст] / Р. Р. Алтунин, Е. Т. Моисеенко, С. М. Жарков // Физ. тверд. тела. - 2020. - Т. 62 Вып. 4. - С. 621-626

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

Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Russian Science FoundationRussian Science Foundation (RSF) [18-13-00080]
}
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12.

Ignatchenko, V. A.
Effects of one- and three-dimensional inhomogeneities on the wave spectrum of multilayers with finite interface thicknesses / V. A. Ignatchenko, Y. I. Mankov, A. A. Maradudin // Phys. Rev. B. - 2002. - Vol. 65, Is. 2. - Ст. 24207, DOI 10.1103/PhysRevB.65.024207. - Cited References: 24 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
PERIODIC MULTILAYERS
   SPIN-WAVES
   LOCALIZATION
   SUPERLATTICES
   SYSTEMS
   DISORDER
   AVERAGE
   MEDIA
Аннотация: To describe a partially randomized multilayer structure with arbitrary thicknesses of the interfaces between layers, we introduce a model in which the dependence of a material parameter along the axis of such a Superlattice is described by a Jacobian elliptic sine function with a random spatial modulation of its period. Both one- and three-dimensional inhomogeneities of the period are considered. We develop the correlation function for this model, and investigate the dispersion law and damping of averaged waves in this superlattice. The dependencies of the widths of the gaps in the spectrum and the damping at the boundaries of all odd Brillouin zones, on the thicknesses of the interfaces, and on the dimensionality, intensity, and correlation wave number of the inhomogeneities are found. It is shown that experimental investigations of the widths of the gaps and damping for several Brillouin zones could permit, in principle, determining all parameters of the superlattice as well as the parameters of the inhomogeneities from these spectral characteristics.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
ИФ СО РАН

Доп.точки доступа:
Mankov, Y. I.; Maradudin, A. A.; Игнатченко, Вальтер Алексеевич
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13.

Electric and magnetic field-assisted orientational transitions in the ensembles of domains in a nematic liquid crystal on the polymer surface / A. M. Parshin [et al.] // Int. J. Mol. Sci. - 2014. - Vol. 15, Is. 10. - P. 17838-17851, DOI 10.3390/ijms151017838. - Cited References: 21. - This work was partially supported by the Russian Foundation for Basic Research (project No. 12-03-00816), and by the Siberian Branch of the Russian Academy of Sciences (SB RAS) through Grants Nos. 30, 24.29, 24.32, and by SB RAS through a Taiwan-SB-RAS joint project. . - ISSN 1422-0067

РУБ Chemistry, Multidisciplinary
Рубрики:
FRANK CONSTANTS
   INTERFACE
   ALIGNMENT
   DISCLINATIONS
   STABILITY
   COATINGS
   DIRECTOR
Кл.слова (ненормированные):
liquid crystal -- polycarbonate -- domain structure -- electric field -- magnetic field
Аннотация: Using electro- and magneto-optical techniques, we investigated orientational transitions in the ensembles of domains in a nematic liquid crystal on the polycarbonate film surface under the conditions of competing surface forces that favor radial and uniform planar alignment of nematic molecules. Having analyzed field dependences of the intensity of light passed through a sample, we established the threshold character of the orientational effects, plotted the calculated intensity versus magnetic coherence length, and compared the latter with the equilibrium length that characterizes the balance of forces on the polymer surface.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Dept Energy, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Parshin, A. M.; Паршин, Александр Михайлович; Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Russian Foundation for Basic Research [12-03-00816]; Siberian Branch of the Russian Academy of Sciences (SB RAS) [30, 24.29, 24.32]; SB RAS through a Taiwan-SB-RAS joint project
}
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14.

Electrically controlled local Frédericksz transition in a layer of a nematic liquid crystal / V. S. Sutormin [et al.] // JETP Letters. - 2012. - Vol. 96, Is. 8. - P. 511-516, DOI 10.1134/S0021364012200131. - Cited References: 18. - This work was supported by the Russian Foundation for Basic Research (project nos. 12-03-00816, 12-02-31613, and 12-03-31144); by the Presidium of the Russian Academy of Sciences (project nos. 24.29 and 24.32); by the Siberian Branch, Russian Academy of Sciences (project nos. 30 and 101); and by the Ministry of Education and Science of the Russian Federation (state contract no. 14.V37.21.0730, federal program "Human Capital for Science and Education in Innovative Russia"). . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
ANCHORING TRANSITIONS
   INTERFACE
   ORIENTATION
   SURFACES
Аннотация: A local Frédericksz transition caused by electrically controlled surface anchoring in a nematic liquid crystal has been implemented owing to the displacement of surface-active ions. In the initial case, the nematic is homeotropically aligned by monomolecular layers of cetyltrimethylammonium bromide cations adsorbed on the surface of substrates. One of the substrates in a static electric field becomes free of a cation layer and specifies planar boundary conditions; as a result, a homeoplanar orientation structure is formed. The features of the dynamics of the optical response of the cell under study that are characteristic of the effect under consideration are discussed.

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Публикация на русском языке Электроуправляемый локальный переход Фредерикса в слое нематического жидкого кристалла [Текст] / В. С. Сутормин [и др.] // Письма в Журн. эксперим. и теор. физ. - 2012. - Т. 96 Вып. 7-8. - С. 562-567

Держатели документа:
[Sutormin, V. S.
Krakhalev, M. N.
Prishchepa, O. O.
Zyryanov, V. Ya.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
[Zyryanov, V. Ya.] Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Sutormin, V. S.; Сутормин, Виталий Сергеевич; Крахалев, Михаил Николаевич; Krakhalev, M. N.; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич
}
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15.

Electron spectroscopy of iron disilicide / A. S. Parshin [et al.] // Tech. Phys. - 2016. - Vol. 61, Is. 9. - P. 1418-1422, DOI 10.1134/S1063784216090176. - Cited References: 33 . - ISSN 1063-7842

РУБ Physics, Applied
Рубрики:
SCATTERING CROSS-SECTIONS
   ENERGY-LOSS SPECTROSCOPY
   QUANTITATIVE-ANALYSIS
   LOSS SPECTRA
   SURFACE
   SI
   HETEROSTRUCTURES
   INTERFACE
   PARAMETER
   PHASE
Аннотация: We have reported on the results of a complex investigation of iron disilicide FeSi2 using characteristic electron energy loss spectroscopy, inelastic electron scattering cross section spectroscopy, and X-ray photoelectron spectroscopy. It has been shown that the main peak in the spectra of inelastic electron scattering for FeSi2 is a superposition of two unresolved peaks, viz., surface and bulk plasmons. An analysis of the fine structure of the spectra of inelastic electron scattering cross section by their decomposition into Lorentzlike Tougaard peaks has made it possible to quantitatively estimate the contributions of individual energy loss processes to the resulting spectrum and determine their origin and energy. © 2016, Pleiades Publishing, Ltd.

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Публикация на русском языке Исследование дисилицида железа методами электронной спектроскопии [Текст] / А. С. Паршин [и др.] // Журн. техн. физ. : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 86 Вып. 9. - С. 136–140

Держатели документа:
Rechetnev Siberian State Aerospace University, ul. Krasnoyarskii rabochii 31, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/24, Krasnoyarsk, Russian Federation
Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 13, Novosobirsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodor 50/38, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Parshin, A. S.; Igumenov, A. Y.; Mikhlin, Y. L.; Pchelyakov, O. P.; Zhigalov, V. S.; Жигалов, Виктор Степанович
}
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16.

Features of the structure and properties of β-FeSi2 nanofilms and a β-FeSi2/Si interface / A. S. Fedorov [и др.] // JETP Letters. - 2012. - Vol. 95, Is. 1. - P. 20-24 . - ISSN 0370-274X
Аннотация: The electronic, geometric, and magnetic structure of nanofilms of the β phase of iron disilicide FeSi2 with the (001), (100), and (010) surfaces have been simulated through density functional calculations. A substantial reconstruction of the (001) surface terminated with silicon atoms has been observed, which was accompanied by an increase in the surface symmetry and appearance of “squares” of silicon atoms. Analysis of the electron density of states (DOS) and spin DOS projected on the contributions of layers of atoms (LSDOS) indicates that all plates have metallic properties. The main contribution near the Fermi level comes from the surface iron layers and it decreases rapidly with an increase in the distance from the surface of the plate. Analysis of the calculated effective magnetic moments of atoms shows that the surface layers in the plates have a significant magnetic moment, in particular, iron layers on the (001) surface (1.89 μB/atom). The moments of atoms decrease rapidly with an increase in their distance from the surface. The electron and geometric regions of a (001)Si/FeSi2 interface have been studied. Analysis of the LSDOS shows that the surface conducting state mainly determined by the contribution from the near-surface silicide layers is implemented in this region. The possibility of the formation of the perfect and sharp Si/FeSi2 interface has been demonstrated.

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Публикация на русском языке Особенности структуры и свойств нанопленок β-FeSi[[d]]2[[/d]] и интерфейса β-FeSi[[d]]2[[/d]] /Si // Письма в Журнал технической физики : Санкт-Петербургская издательская фирма "Наука" РАН, 2012. - Т. 95, Вып. 1. - С. 23-28. - ISSN 0370-274X

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Kuzubov, A. A.; Кузубов, Александр Александрович; Kozhevnikova, T. A.; Кожевникова, Т. А.; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Galkin, N. G.; Галкин, Н. Г.; Saranin, A. A.; Саранин А.А.; Latyshev, A. V.; Латышев А.В.
}
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17.

Flux pinning docking interfaces in satellites using superconducting foams as trapped field magnets / M. R. Koblischka, A. Koblischka-Veneva, D. Gokhfeld [et al.] // IEEE Trans. Appl. Supercond. - 2022. - Vol. 32, Is. 4. - Ст. 4900105, DOI 10.1109/TASC.2022.3147734. - Cited References: 44. - This work was supported in part by SUPERFOAM international project funded by ANR and DFG under Grants ANR-17-CE05-0030 and DFG-ANR Ko2323-10. . - ISSN 1051-8223. - ISSN 1558-2515

РУБ Engineering, Electrical & Electronic + Physics, Applied
Рубрики:
BULK
RECONFIGURATION
MAGNETIZATION
Кл.слова (ненормированные):
Superconducting magnets -- Satellites -- Yttrium barium copper oxide -- Magnetomechanical effects -- Magnetic fields -- Superconducting coils -- Magnetometers -- Flux-pinning docking interface -- Foams -- Trapped field magnets -- YBCO
Аннотация: Flux-Pinning Docking Interfaces (FPDI) in satellite systems were developed using bulk superconductors and permanent magnets in previous works. However, such FPDIs have limited magnetic field strength, consist of heavy-weight material, and can only be used with a single purpose, i.e., as chasing or docking satellite. Replacing the magnetic material in the FPDI by a trapped field (TF)-magnet would enable the interface to operate for both purposes, i.e., generating a (stronger) magnetic field and trapping it. We show the requirements for such a system and discuss the possible gains when using a TF-FPDI in satellites. To reduce the system weight, the use of superconducting foams as superconducting material is discussed in detail. Furthermore, the use of superconducting foams, the size of which can be easily upscaled, may also comprise the function of the damping material, so even more weight could be saved for the payload.

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Держатели документа:
Saarland Univ, Dept Expt Phys, D-66041 Saarbrucken, Germany.
Shibaura Inst Technol, Tokyo 1358548, Japan.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Tokyo Univ Sci, Dept Phys, Tokyo 1628601, Japan.
Univ Lorraine, GREEN, F-54000 Nancy, France.

Доп.точки доступа:
Koblischka, Michael R.; Koblischka-Veneva, Anjela; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Naik, S. Pavan Kumar; Nouailhetas, Quentin; Berger, Kevin; Douine, Bruno; ANRFrench National Research Agency (ANR); DFGGerman Research Foundation (DFG)European Commission [ANR-17-CE05-0030, DFG-ANR Ko2323-10]
}
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18.

Formation of nonmagnetic phases in Fe/Si interface / S. N. Varnakov [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. 21

Материалы семинара

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; Varnakov, S. N.; Варнаков, Сергей Николаевич; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Ovchinnikov, S. G.; Bartolome, J.; Sese, J.; "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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19.

Forming interface in Pd/Fe/GaAs/InGaAs structure for optical detector of free-electron spin / O. E. Tereshchenko [et al.] // Tech. Phys. Lett. - 2012. - Vol. 38, Is. 1. - P. 12-16, DOI 10.1134/S1063785012010154. - Cited References: 13. - This study was supported in part by the Russian Academy of Sciences (Program "Spintronics"), Russian Foundation for Basic Research (project no. 10-02-91067-NTsNI), and Siberian Branch of the Russian Academy of Sciences (Interdisciplinary Integration Project). . - ISSN 1063-7850
Рубрики:
Pd
Аннотация: Conditions necessary for the formation of a Fe/GaAs interface have been established and the electrical, magnetic, and optical properties of Pd/Fe/GaAs heterostructures with InGaAs quantum wells have been studied. The possibility of obtaining an epitaxial layer of Fe on GaAs(001) surface at room temperature is demonstrated. The magnetization curve of Fe layer exhibits hysteresis with an easy axis in plane of the sample. Iron exhibits surface segregation by diffusion through a 4-nm-thick Pd layer. The properties of obtained Pd/Fe/GaAs/InGaAs structures show evidence for their possible use in optical detectors of free-electron spin.

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Публикация на русском языке Формирование границы раздела структуры Pd/Fe/GaAs/InGaAs для оптической регистрации спина свободных электронов [Текст] / О. Е. Терещенко [и др.] // Письма в Журн. техн. физ. : Санкт-Петербургская издательская фирма "Наука" РАН, 2012. - Т. 38 Вып. 1. - С. 27-36

Держатели документа:
[Tereshchenko, O. E.] Russian Acad Sci, Siberian Branch, Rzhanov Inst Semicond Phys, Novosibirsk 630090, Russia
Novosibirsk State Univ, Novosibirsk 630090, Russia
Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 644053, Russia
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Tereshchenko, O. E.; Paulish, A. G.; Neklyudova, M. A.; Shamirzaev, T. S.; Yaroshevich, A. S.; Prosvirin, I. P.; Zhaksylykova, I. E.; Dmitriev, D. V.; Toropov, A. I.; Varnakov, S. N.; Варнаков, Сергей Николаевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Volkov, N. V.; Волков, Никита Валентинович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Latyshev, A. V.
}
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20.

Growth of α-FeSi2 nanocrystals on silicon surface: the impact of gold and the Si/Fe flux ratio, the origin and the prediction of α/Si orientation relationships and interface structures / Ivan Tarasov, Maxim Visotin, Sergey Varnakov and Sergey Ovchinnikov // 1st FunMAX Workshop 2020 : Book of Abstracts. - 2020. - P. 11. - Cited References: 2. - The study was carried out with the financial support of the Government of the Russian Federation within the framework of a grant for the creation of world-class laboratories (Agreement No. 075-15-2019-1886).

Материалы конференции,
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Держатели документа:
Kirensky Institute of Physics

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Visotin, M. A.; Высотин, Максим Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; International Online Workshop on the properties of Functional MAX-materials(1 ; 2020 ; Aug ; 10-12 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
}
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