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1.


   
    Effect of the Semiconductor Spacer on Positive Exchange Bias in the CoNi/Si/FeNi Three-Layer Structure / G. S. Patrin [et al.] // JETP Letters. - 2019. - Vol. 109, Is. 5. - P. 320-324, DOI 10.1134/S0021364019050126. - Cited References: 26. - This work was supported by the Russian Foundation for Basic Research (project no. 18-02-00161-a). . - ISSN 0021-3640. - ISSN 1090-6487
Рубрики:
MEDIA
Аннотация: Films consisting of a hard magnetic ferromagnet CoNi and a soft magnetic ferromagnet FeNi interacting through a nonmagnetic Si semiconductor spacer are experimentally studied. The temperature and field dependences of the magnetic properties of film structures with different silicon thicknesses are examined. It is found that the multilayer structure has the properties inherent in magnetic springs and exhibits positive exchange bias as a function of the silicon thickness.

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Публикация на русском языке Влияние полупроводниковой прослойки на эффект положительного обменного смещения в трехслойной структуре CoNi/Si/FeNi [Текст] / Г. С. Патрин [и др.] // Письма в ЖЭТФ. - 2019. - Т. 109 Вып. 5-6. - С. 325-330

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

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Turpanov, I. A.; Yushkov, V. I.; Юшков, Василий Иванович; Kobyakov, A. V.; Кобяков, Александр Васильевич; Patrin, K. G.; Yurkin, G. Yu.; Zhivaya, Ya A.; Russian Foundation for Basic Research [18-02-00161-a]
}
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2.


    Arkhipkin, V. G.
    Coherent control of light-pulse propagation in a Raman induced grating / V. G. Arkhipkin, S. A. Myslivets // J. Opt. - 2017. - Vol. 19, Is. 5. - Ст. 055501, DOI 10.1088/2040-8986/aa6498. - Cited References:26. - This work was supported by the Russian Foundation for Basic Research under Grant No. 15-02-03959 and partially by the Siberian Branch of the Russian Academy of Sciences under Complex Program II.2P (0356-2015-0410). . - ISSN 2040-8978. - ISSN 2040-8986
РУБ Optics
Рубрики:
OPTICS
   MEDIA

Кл.слова (ненормированные):
light induced gratings -- pulse propagation -- Raman gain
Аннотация: We study light-pulse propagation in a dynamically controllable periodic structure (grating) resulting from Raman interaction of a weak probe pulse with a standing-wave pump and a second control laser field in. N-type four-level atomic media. The grating is induced due to periodic spatial modulation of the Raman gain in a standing pump field (Raman gain grating). We show that it is possible to control both the probe pulse amplitude and the group velocity of the pulse from subluminal to superluminal by varying the pump or control field. Such a grating is of interest for. all-optical switches and transistors.

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Держатели документа:
Kirensky Inst Phys, Fed Res Ctr, KSC SB RAS,50, Akademgorodok, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич; Russian Foundation for Basic Research [15-02-03959]; Siberian Branch of the Russian Academy of Sciences under Complex Program II.2P [0356-2015-0410]
}
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3.


   
    Optical Tamm states at the interface between a photonic crystal and an epsilon-near-zero nanocomposite / S. Y. Vetrov [et al.] // J. Opt. - 2017. - Vol. 19, Is. 8. - Ст. 085103, DOI 10.1088/2040-8986/aa75fb. - Cited References:38. - 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 17-42-240464. R G B acknowledges financial support from Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No 16-42-243065. . - ISSN 2040-8978. - ISSN 2040-8986
РУБ Optics
Рубрики:
PROPAGATION
   MEDIA

   METAMATERIALS

Кл.слова (ненормированные):
photonic crystal -- nanocomposite -- optical Tamm state
Аннотация: The spectral properties of a one-dimensional photonic crystal bounded with a resonance-absorbing nanocomposite layer are investigated. The bulk concentrations of metal nanoparticles dispersed in a transparent nanocomposite matrix are determined at which the effective permittivity takes near-zero values. The transmission, reflection and absorption spectra of the investigated structures at the normal incidence of light are calculated. The demonstrated possibility of formation of the optical Tamm states at the interface between the photonic crystal and nanocomposite is ensured by the near-zero real and imaginary parts of the permittivity or only the imaginary part of the permittivity at the zero real part. The specific features of field localization at the optical Tamm state frequencies are examined.

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Держатели документа:
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Natl Chiao Tung Univ, Inst Imaging & Biomed Photon, 301 Gaofa 3rd Rd, Tainan 711, Taiwan.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Bikbaev, R. G.; Rudakova, Natalya V.; Chen, Kuo-Ping; Timofeev, I. V.; Тимофеев, Иван Владимирович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [17-42-240464, 16-42-243065]
}
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4.


    Ignatchenko, V. A.
    Green's functions of the scalar model of electromagnetic fields in sinusoidal superlattices / V. A. Ignatchenko, D. S. Tsikalov // Physica B. - 2016. - Vol. 485. - P. 94-102, DOI 10.1016/j.physb.2016.01.006. - Cited References: 30 . - ISSN 0921-4526
РУБ Physics, Condensed Matter
Рубрики:
SCATTERING
   MEDIA

   PROPAGATION

   GRATINGS

   DENSITY

   LIGHT

Кл.слова (ненормированные):
Green's functions -- Electromagnetic waves -- Scalar model -- Sinusoidal superlattices -- Photonic crystals -- LDOS
Аннотация: Problems of obtaining Green's function and using it for studying the structure of scalar electromagnetic fields in a sinusoidal superlattice are considered. An analytical solution of equation in the k-space for Green's function is found. Green's function in the r-space is obtained by both the numerical and the approximate analytical Fourier transformation of that solution. It is shown, that from the experimental study of Green's function in the k-space the position of the plane radiation source relative to the extremes of the dielectric permittivity ?(z) can be determined. The relief map of Green's function in the r-space shows that the structure of the field takes the form of chains of islets in the plane ?z, the number of which increases with increasing the distance from a radiation source. This effect leads to different frequency dependences of Green's function at different distances from the radiation source and can be used to measure the distance to the internal source. The real component of Green's function and its spatial decay in the forbidden zones in the near field is investigated. The local density of states, depending on the position of the source in the superlattice, is calculated.

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Доп.точки доступа:
Tsikalov, D. S.; Цикалов, Денис Сергеевич; Игнатченко, Вальтер Алексеевич
}
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5.


    Aver'yanov, E. M.
    Effective refractive index of a two-dimensional polycrystal / E. M. Aver’yanov // JETP Letters. - 2015. - Vol. 101, Is. 10. - P. 685-689, DOI 10.1134/S0021364015100033. - Cited References: 28 . - ISSN 0021-3640
РУБ Physics, Multidisciplinary
Рубрики:
SPECTROSCOPIC ELLIPSOMETRY
   CONJUGATED POLYMERS

   LOCAL-FIELD

   FILMS

   CONDUCTIVITY

   POLYFLUORENE

   ANISOTROPY

   DISPERSION

   MEDIA

Аннотация: A relation of the effective refractive index of a two-dimensional polycrystalline dielectric film in the transparency region to the refractive indices n1 and n2 of crystallites at the positions of axes 1 and 2, respectively, of refraction ellipsoids of the crystallites in the plane of the film has been obtained. This relation and the relation L* = (L1 + L2)/2 between the components of the Lorentz tensors for the film and crystallites have been confirmed by comparison with experimental data for conjugate-polymer films with uniaxial domains.

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Публикация на русском языке Аверьянов, Евгений Михайлович. Эффективный показатель преломления двумерного поликристалла [Текст] / Е. М. Аверьянов // Письма в Журн. эксперим. и теор. физ. : Наука, 2015. - Т. 101 Вып. 10. - С. 761-765


Доп.точки доступа:
Аверьянов, Евгений Михайлович
}
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6.


    Vetrov, S. Ya.
    Photonic defect modes in a cholesteric liquid crystal with a resonant nanocomposite layer and a twist defect / S. Y. Vetrov, M. V. Pyatnov, I. V. Timofeev // Phys. Rev. E. - 2014. - Vol. 90, Is. 3. - Ст. 32505, DOI 10.1103/PhysRevE.90.032505. - Cited References: 36. - This work was partially supported by Grants No. 43, No. 101, and No. 24.29 of SB RAS; Russian Fund of Fundamental Research Grant No. 14-02-31248; Russian Ministry of Education and Science under the Government program, Project No. 3.1276.2014/K; Grant of the President of the Russian Federation Grant No. MK-250.2013.2, and the NSCT-SB RAS joint project. . - ISSN 1539-3755. - ISSN 1550-2376
РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
OPTICAL-PROPERTIES
   GENERATION

   MEDIA

   FILMS

Аннотация: We have studied spectral properties of a cholesteric liquid crystal with a combined defect consisting of a nanocomposite layer and a twist. The nanocomposite layer is made of metallic nanoballs dispersed in a transparent matrix and featuring effective resonant permittivity. A solution has been found for the transmission spectrum of circularly polarized waves in the structure. We have analyzed spectral splitting of the defect mode in the band gap of the cholesteric when its frequency coincides with the nanocomposite resonant frequency. Defect modes have characteristics strongly dependent on the magnitude and the sign of the phase difference of the cholesteric helix on both sides of the defect layer. It has been found that the band gap width and the position and localization degree of defect modes can be effectively controlled by external fields applied to the cholesteric.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia
Krasnoyarsk State Med Univ, Krasnoyarsk 660022, Russia
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Pyatnov, M. V.; Пятнов, Максим Владимирович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ветров, Степан Яковлевич; SB RAS [43, 101, 24.29]; Russian Fund of Fundamental Research Grant [14-02-31248]; Russian Ministry of Education and Science under the Government program [3.1276.2014/K]; Russian Federation [MK-250.2013.2]; NSCT-SB RAS joint project
}
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7.


    Ignatchenko, V. A.
    Crossing resonance of stochastically interacting wave fields / V. A. Ignatchenko, D. S. Polukhin // J. Exp. Theor. Phys. - 2013. - Vol. 116, Is. 2. - P. 206-222, DOI 10.1134/S1063776113020118. - Cited References: 42. - We are grateful to V. V. Val'kov and A. F. Sadreev for useful discussions. This work was supported by the Presidium of the Russian Academy of Sciences (Program no. 24.29), the Dynasty Foundation (Program for Support of Young Scientists), the Federal Target Program (state contract no. 14.B37.21.0730), and the Special Program for Siberian Federal University of the Ministry of Education and Science of the Russian Federation. . - ISSN 1063-7761
РУБ Physics, Multidisciplinary
Рубрики:
CRYSTALS
   SYSTEMS

   ALLOYS

   MEDIA

Аннотация: The dynamic susceptibilities (Green's functions) of the system of two interacting wave fields of different physical natures with a stochastically inhomogeneous coupling parameter between them with zero mean value have been examined. The well-known self-consistent approximation taking into account all diagrams with noncrossing correlation/interaction lines has been generalized to the case of stochastically interacting wave fields. The analysis has been performed for spin and elastic waves. The results obtained taking into account the processes of multiple scattering of waves from inhomogeneities are significantly different from those obtained for this situation earlier in the Bourret approximation [R.C. Bourret, Nuovo Cimento 26, 1 (1962)]. Instead of frequencies degeneracy removal in the wave spectrum and the splitting of resonance peaks of dynamic susceptibilities, a wide single-mode resonance peak should be observed at the crossing point of the unperturbed dispersion curves. The fine structure appears at vertices of these wide peaks in the form of a narrow resonance on the Green's-function curve of one field and a narrow antiresonance on the vertex of the Green's-function curve of the other field.

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Публикация на русском языке Кроссинг-резонанс стохастически взаимодействующих волновых полей. - [S. l. : s. n.]

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

Доп.точки доступа:
Polukhin, D. S.; Полухин, Дмитрий Сергеевич; Игнатченко, Вальтер Алексеевич
}
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8.


    Vetrov, S. Y.
    Optical Tamm states at the interface between a photonic crystal and a nanocomposite with resonance dispersion / S. Y. Vetrov, R. G. Bikbaev, I. V. Timofeev // J. Exp. Theor. Phys. - 2013. - Vol. 117, Is. 6. - P. 988-998, DOI 10.1134/S1063776113140185. - Cited References: 28. - This work was supported 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"); by the Presidium of the Siberian Branch, Russian Academy of Sciences (project no. 24.29); by the Ministry of Education and Science of the Russian Federation (contract no. 14V37.21.0730); by the Division of Physical Sciences, Russian Academy of Sciences (project no. Sh.9.5); by the Presidium of the Russian Academy of Sciences (project nos. 24.29 and 24.31); and by the Siberian Branch, Russian Academy of Sciences (project nos. 43 and 101). . - ISSN 1063-7761. - ISSN 1090-6509
РУБ Physics, Multidisciplinary
Рубрики:
LIGHT
   TRANSMISSION

   MEDIA

   LAYER

Аннотация: Optical Tamm states localized at the edges of a photonic crystal bounded from one or both sides by a nanocomposite have been studied. The nanocomposite consists of metallic nanoinclusions, which have a spherical or orientationally ordered spheroidal shape and are dispersed in a transparent matrix, and is characterized by the resonant effective permittivity. The transmission, reflection, and absorption spectra have been calculated for waves with longitudinal and transverse polarizations in such structures at the normal incidence of light. The spectral manifestation of Tamm states that is due to the existence of negative values of the real part of the effective permittivity has been analyzed for the visible spectral range. It has been established that the characteristics of Tamm states localized at the edge of the photonic crystal depend strongly both on the concentration of nanoballs in the nanocomposite film and on its thickness. Modes formed by two coupled Tamm plasmon polaritons localized at the edges of the photonic crystal adjacent to two nanocomposite layers have been examined. It has been shown that, in the case of the anisotropic nanocomposite layer adjacent to the photonic crystal, each of two orthogonal polarizations of the incident wave corresponds to a specific frequency of the Tamm state localized at the edge; owing to this property, the transmission spectra of such a structure are polarization sensitive.

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Публикация на русском языке Ветров, Степан Яковлевич. Оптические таммовские состояния на границе фотонного кристалла и нанокомпозита c резонансной дисперсией [Текст] / С. Я. Ветров [и др.] // Журн. эксперимент. и теор. физ. - 2013. - Т. 144 Вып. 6. - С. 1129-1139

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

Доп.точки доступа:
Bikbaev, R. G.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ministry of Education and Science of the Russian Federation [14.V37.21.0730, 14V37.21.0730]; Presidium of the Siberian Branch, Russian Academy of Sciences [24.29]; Division of Physical Sciences, Russian Academy of Sciences [Sh.9.5]; Presidium of the Russian Academy of Sciences [24.29, 24.31]; Siberian Branch, Russian Academy of Sciences [43, 101]
}
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9.


   
    Fractal dimension of cluster boundaries in porous polycrystalline HTSC materials / A. A. Bykov [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 10. - P. 1947-1950, DOI 10.1134/S1063783412100095. - Cited References: 20 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   ELECTRICAL-CONDUCTIVITY

   PERCOLATION

   MIXTURES

   MEDIA

   SUPERCONDUCTORS

   TRANSPORT

   SPHERES

Аннотация: The fractal dimension of the boundaries of clusters formed by pores and granules in polycrystalline materials is shown to be determined by the sample density and crystallite sizes. The dependence of the fractal dimension on the density has a maximum. It is shown that the maximum diamagnetic response can be obtained in a porous high-temperature superconductor with a porosity of 50-60% and small crystallite sizes.

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Публикация на русском языке Фрактальная размерность границ кластеров в пористых поликристаллических ВТСП-материалах [Текст] / А. А. Быков [и др.] // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 10. - С. 1825-1828

Держатели документа:
[Bykov, A. A.
Terent'ev, K. Yu.
Gokhfeld, D. M.
Petrov, M. I.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Bykov, A. A.; Быков, Алексей Анатольевич; Terent'yev, K. Yu.; Терентьев, Константин Юрьевич; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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10.


   
    Traveling of light through a 1D photonic crystal containing a defect layer with resonant dispersion / S. Y. Vetrov [et al.] // Opt. Spectrosc. - 2012. - Vol. 113, Is. 5. - P. 517-521, DOI 10.1134/S0030400X12110070. - Cited References: 14. - The work was supported by the grants NSh-7810.2010.3, RNP.2.1.1.3455, no. 27.1 and no. 3.9.1 RAS, no. 5 and no. 144 SO RAS, and g/k 02.740.11.0220 of the federal targeted program "Scientific and Pedagogical Personnel of Innovative Russia." . - ISSN 0030-400X
РУБ Optics + Spectroscopy
Рубрики:
2ND-HARMONIC GENERATION
   MEDIA

   MODE

Аннотация: Spectral properties of a 1D photonic crystal that is comprised of two multilayered dielectric mirrors and a nanocomposite layer between them as a structural defect are studied. The nanocomposite consists of silver nanoballs dispersed in a transparent matrix and is characterized by an effective resonant permittivity. The spectral manifestation of the defect mode splitting for the s-polarized waves is studied as a function of the angle of incidence and concentration of nanoballs. Specific features of the transmission spectra for the s- and p-polarized waves are established for the angle of incidence equal to the Brewster angle of the seeding photonic crystal. It is shown, in particular, that, in the region of the continuous transmission spectrum of the spolarized waves, there arises an additional bandgap caused by mixing of the resonant mode with photonic modes.

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Публикация на русском языке Прохождение света через одномерный фотонный кристалл с дефектным слоем с резонансной дисперсией [Текст] / С. Я. Ветров [и др.] // Оптика и спектроскопия : Наука, 2012. - Т. 113 № 5. - С. 571–575

Держатели документа:
[Vetrov, S. Ya.
Avdeeva, A. Yu.
Bikbaev, R. G.
Timofeev, I. V.] Siberian Fed Univ, Krasnoyarsk 660074, Russia
[Vetrov, S. Ya.
Timofeev, I. V.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Vetrov, S.Ya.; Ветров, Степан Яковлевич; Avdeeva, A. Y.; Bikbaev, R. G.; Timofeev, I. V.; Тимофеев, Иван Владимирович
}
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