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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lukinykh V. F., Myslivets S. A., Popov A. K., Slabko V. V.
Заглавие : 9th-order nonlinear polarization and VUV generation in HG vapor
Разночтения заглавия :авие SCOPUS: Ninth-order nonlinear polarization and vuv generation in Hg vapor
Место публикации : Appl. Phys. B. - 1984. - Vol. 34, Is. 3. - P.171-173. - ISSN 0721-7269, DOI 10.1007/BF00697511
Примечания : Cited References: 13
Ключевые слова (''Своб.индексиров.''): 42.65--42.80--light - nonlinear optical effects--vapors--mercury and amalgams
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zyryanov V. Ya., Smorgon S. L., Presnyakov V. V., Shabanov V. F.
Заглавие : A device to control polarization and intensity of laser radiation
Коллективы : Russian-Chinese symposium on laser physics and laser technology
Место публикации : Proceedings of the Third Russian-Chinese symposium on laser physics and laser technology. - 1996. - P.98-99

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kovaleva E. A., Kuzubov A. A., Avramov P. V., Kholtobina A. S., Kuklin A. V., Tomilin F. N., Sorokin P. B.
Заглавие : A key role of tensile strain and surface termination in formation and properties of La0.7Sr0.3MnO3 composites with carbon nanotubes
Место публикации : Comput. Mater. Sci.: Elsevier, 2017. - Vol. 139. - P.125-131. - ISSN 09270256 (ISSN), DOI 10.1016/j.commatsci.2017.07.021
Примечания : 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).
Ключевые слова (''Своб.индексиров.''): 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Epov M. I., Savin I. V., Mironov V. L.
Заглавие : A temperature-dependent dielectric model for water- and oil-containing rocks in the frequency range from 0.5 to 15 GHz
Место публикации : Russ. Geol. Geophys.: Elsevier Science BV, 2012. - Vol. 53, Is. 7. - P.698-703. - ISSN 1068-7971, DOI 10.1016/j.rgg.2012.05.008
Примечания : Cited References: 17
Предметные рубрики: MOIST SOILS
POLARIZATION PROCESSES
PERMITTIVITY METHOD
Ключевые слова (''Своб.индексиров.''): dielectric permittivity--effective conductivity--water-containing rocks--temperature-dependent dielectric model
Аннотация: Dielectric spectra of water-containing rocks forming a mineral framework of the oil-saturated bed (clay minerals amount to˂16%) were measured in the frequency range from 500 MHz to 15 GHz and in the temperature range from 20 to 80 °C. A physical model for computing spectra of the dielectric permittivity and effective conductivity of the studied rocks has been elaborated. Its input parameters are water (salt solution) content and temperature. The errors of the computed spectra relative to the measured ones are estimated.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Maksimov E. G., Zinenko V. I., Zamkova N. G.
Заглавие : Ab initio calculations of the physical properties of ionic crystals
Место публикации : Phys. Usp.: TURPION LTD, 2004. - Vol. 47, Is. 11. - P1075-1099. - ISSN 1063-7869, DOI 10.1070/PU2004v047n11ABEH001796
Примечания : Cited References: 90
Предметные рубрики: STRUCTURAL PHASE-TRANSITION
LOCAL-FIELD CORRECTIONS
INDUCED BREATHING MODEL
ZINC-BLENDE STRUCTURE
ELECTRON-GAS THEORY
LATTICE-DYNAMICS
MICROSCOPIC CALCULATIONS
MACROSCOPIC POLARIZATION
STATISTICAL-MECHANICS
1ST-PRINCIPLES THEORY
Аннотация: First-principles calculations of the physical properties of ionic crystals are reviewed. Two markedly different approaches within the framework of the density functional theory are described. In one of them, the electron spectrum and wave functions are treated within the standard band picture based on the solution of Kohn-Sham equations. In the second approach, the total electron density of a crystal is represented as a super-position of the densities of individual ions. The problem of determining the electric polarization of a crystal is discussed for each approach. It is shown that it is the use of Bloch functions rather than the physics of the phenomenon that complicates the solution of this problem within the Kohn-Sham framework. The deformable and polarizable ion model is described in detail, and its application to calculating many properties of ionic crystals, including the lattice dynamics and structural stability of crystal phases, is discussed.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nemtsev A. V., Zhandun V. S., Zinenko V. I.
Заглавие : Ab initio study of the polarization, electronic, magnetic, and optical properties of perovskite SrMO3 (M = Fe, Mn) crystals and thin films containing magnetic ions
Место публикации : J. Exp. Theor. Phys. - 2018. - Vol. 126, Is. 4. - P.497-505. - ISSN 10637761 (ISSN), DOI 10.1134/S1063776118030056
Примечания : Cited References: 30
Ключевые слова (''Своб.индексиров.''): antiferromagnetism--density functional theory--electronic properties--iron compounds--manganese compounds--optical properties--perovskite--perovskite solar cells--polarization--strontium compounds
Аннотация: The magnetic, electronic, and polarization properties of the SrFeO3 and SrMnO3 compounds with a perovskite structure are calculated using the density functional theory in the bulk and thin-film states. A ferroelectric instability is found to be absent in the bulk state, and the polar mode is softened in the thin-film state of SrMnO3 in the presence of tensile stresses in the substrate. As a result, a polar phase with a polarization of 23 μC/cm2 appears, which agrees with experimental data. The study of the magnetic and electronic properties demonstrates the existence of G-type antiferromagnetic ordering in SrMnO3 and the appearance of a dielectric gap of about 1.5 eV in its thin film. A ferromagnetic phase with metallic conduction in both the bulk and thin-film states is detected in SrFeO3.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Rudakova N. V., Timofeev I. V., Vetrov S. Ya., Lee W.
Заглавие : All-dielectric polarization-preserving anisotropic mirror
Место публикации : OSA Contin. - 2018. - Vol. 1, Is. 2. - P.682-689. - ISSN 2578-7519, DOI 10.1364/OSAC.1.000682
Примечания : Cited References: 39. - Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund (17-42-240464). Ministry of Science and Technology, Taiwan (MOST) (106-2923-M-009-002-MY3).
Предметные рубрики: Nanophotonics, Metamaterials, and Photonic Crystals
Ключевые слова (''Своб.индексиров.''): cholesteric liquid crystals--circular polarization--electric fields--optical devices--phase plates--refractive index
Аннотация: The structure consisting of alternating uniaxial dielectric layers is known to produce reflection of the same polarization as the incident field; e.g., the right-hand elliptically polarized light preserves this right-handedness and ellipticity of polarization at reflection. The parameters permitting the properly-polarized reflectance to exceed 99% in a wide frequency range were considered both analytically and numerically. The mirror with tuned top-layer thickness is shown to have several times less polarization losses than the uniform mirror. The hybrid mirror with metallic bottom layer has a considerably reduced thickness.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Gunyakov V. A., Myslivets S. A., Zyryanov V. Ya., Shabanov V. F.
Заглавие : Angular tuning of defect modes spectrum in the one-dimensional photonic crystal with liquid-crystal layer
Место публикации : Eur. Phys. J. E. - NEW YORK: SPRINGER, 2007. - Vol. 24, Is. 3. - С. 297-302. - NOV. - ISSN 1292-8941, DOI 10.1140/epje/i2007-10239-7
Примечания : Cited Reference Count: 28
Предметные рубрики: PERIODIC STRUCTURE
REFRACTIVE-INDEX
ENHANCEMENT
LIGHT
LASER
Ключевые слова (''Своб.индексиров.''): 42.25.bs wave propagation, transmission and absorption--42.70.df liquid crystals--42.70.qs photonic bandgap materials--angles of incidence--angular tuning--defect modes--electric polarization--photonic bandgap materials--radiation losses--absorption--defects--light polarization--liquid crystals--one dimensional--phase shift--wave propagation--photonic crystals
Аннотация: A one-dimensional ZrO2/SiO2 photonic crystal with a 4-n -pentyl-4'-cyanobiphenyl (5CB) nematic defect layer was used to investigate the transmission spectra of light polarized parallel and perpendicular to the liquid-crystal director at different angles of incidence. The spectra of the photonic crystal were shown to split into four polarized components T-ij at oblique incidence. When the incident angle increased, the bandgap edges and the defect modes shifted towards short wavelengths, while the amplitudes of the defect modes increased for the transverse magnetic polarization and decreased for the transverse electric polarization. The observed discrepancy between the defect mode amplitudes in the center and near the edges of the photonic bandgap was found to be related to the radiation losses inside the defect layer of a non-ideal photonic crystal. The simulated transmission spectra obtained using recurrence relations and taking into account the decay of defect modes are in good agreement with the experimental data.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ovchinnikov S. G.
Заглавие : Application of synchrotron radiation to the study of magnetic materials
Место публикации : Uspekhi Fiz. Nauk: MEZHDUNARODNAYA KNIGA, 1999. - Vol. 169, Is. 8. - P.869-887. - ISSN 0042-1294
Примечания : Cited References: 93
Предметные рубрики: X-RAY-SCATTERING
RESONANCE EXCHANGE SCATTERING
RARE-EARTH-METALS
CIRCULAR-DICHROISM
VALENCE STATES
CO/PD(111) MULTILAYERS
ABSORPTION-SPECTRA
PHASE-TRANSITIONS
SPIN POLARIZATION
EDGE STRUCTURE
Аннотация: The recent results of the studies of magnetic materials using synchrotron irradiation are reviewed. The influence of magnetic effects on X-ray scattering is studied for linearly and circularly polarized photons, and effects of magnetic circular dichroism on the spectra of X-ray absorption and photoelectron emission are discussed. It is shown that X-ray magnetooptics techniques provide fine details of crystal and magnetic structures and also make it possible to separate the spin and orbital contributions to the total moment; to obtain element- and position-sensitive information on the magnetic properties of the material; to visualize domains and domain walls; and to probe magnetization reversal dynamics. A comparison of magnetic neutron and X-ray methods is given.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Maksimov D. N.
Заглавие : Bound states in the continuum and polarization singularities in periodic arrays of dielectric rods
Место публикации : Phys. Rev. A. - 2017. - Vol. 96, Is. 6. - Ст.063833. - ISSN 2469-9926, DOI 10.1103/PhysRevA.96.063833. - ISSN 2469-9934
Примечания : Cited References: 43. - This work was supported by Ministry of Education and Science of Russian Federation (State Contract No. 3.1845.2017/4.6). We appreciate discussions with Almas F. Sadreev.
Аннотация: We consider optical bound states in the continuum (BICs) in periodic arrays of dielectric rods. The full classification of BICs in the above system is provided, including the modes propagating along the axes of the rods and bidirectional BICs propagating both along the axes of the rods and the axis of periodicity. It is shown that the leaky zones supporting the BICs generally have elliptically polarized far-field radiation patterns, with the polarization ellipses collapsing on approach to the BICs in momentum space. That allowed us to apply the concept of polarization singularities and demonstrate that the BICs possess a topological charge defined as the winding number of the polarization direction [Phys. Rev. Lett. 113, 257401 (2014)]. It is found that the evolution of the BICs, including their creation and annihilation, under variation of geometric parameters is controlled by the topological charge. Three scenarios of such evolution for different leaky zones are described. Finally, it is shown that the topological properties of the BICs can be extracted from transmission spectra when the system is illuminated by a plane wave of circular polarization.
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