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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sun S.-J., Hsu, Hua-Shu, Ovchinnikov S. G., Chen G.-L.
Заглавие : Theoretical investigation of magnetic properties in interfaces of magnetic nanoparticles and amorphous carbons
Место публикации : J. Magn. Magn. Mater.: Elsevier, 2017. - Vol. 432. - P.102-105. - ISSN 03048853 (ISSN), DOI 10.1016/j.jmmm.2017.02.001
Примечания : Cited References: 21. - We would like to thank the Ministry of Science and Technology, Taiwan, for the Grant No. MOST 104-2112-M-390-001 and 104-2923-M-390-001-MY3 (Shih-Jye Sun). The work is supported also by the President of Russia program of the leading scientific schools, Grant NSh-7559.2016.2.
Ключевые слова (''Своб.индексиров.''): antiferroelectricity--antiferromagnetism--ferromagnetism--molecular dynamics--nanomagnetics--nanoparticles--spin waves--antiferro-magnetic interactions--antiferromagnetics--kondo interactions--magnetic nano-particles--molecular dynamics simulations--spinwave excitation--theoretical investigations--theoretical modeling--amorphous carbon
Аннотация: Based on the experimental finding of the exchange bias in amorphous carbon samples with embedded Co nanoparticles and on the graphited character of the amorphous carbon interface confirmed by molecular dynamics simulations we have proposed the interface of graphited carbon to be antiferromagnetic. A theoretical model, which comprises the Kondo interactions in the interfaces of Co nanoparticles and the induced antiferromagnetic interactions in the graphited carbons, is employed to evaluate the ferromagnetism of the interfaces of Co nanoparticles. We have shown that the ferromagnetism of interfaces of Co nanoparticles will be enhanced by the increase of antiferromagnetic interaction as well as the increase of electron density in the graphited carbons. In particular, we found that the antiferromagnetic interactions in graphited carbons will change the spin-wave excitation in interfaces of Co nanoparticles from the quasiacoustic mode to the quasioptical one. © 2017 Elsevier B.V.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Denisova E. A., Komogortsev S. V., Iskhakov R. S., Chekanova L. A., Velikanov D. A., Kalinin Y. E., Sitnikov A. V.
Заглавие : Effect of annealing on the magnetic properties of (Co40Fe40B20)x(SiO2)1–x granular nanocomposites
Место публикации : Bull. Russ. Acad. Sci. Phys.: Allerton Press, 2016. - Vol. 80, Is. 11. - P.1332-1334. - ISSN 10628738 (ISSN), DOI 10.3103/S1062873816110186
Примечания : Cited References: 31. - This work was supported by the Russian Foundation for Basic Research, project nos. 15-08-06673, 16-03-00256, and RFBR-KRFS 15-42-04171.
Ключевые слова (''Своб.индексиров.''): annealing--magnetic properties--multilayers--spin waves--sputtering--concentration dependence--effect of annealing--granular composites--ion-beam sputtering--metal phase--spin wave resonances--ion beams
Аннотация: The effect of annealing on the magnetic properties of (Co40Fe40B20)x(SiO2)1–x granular composites fabricated via ion-beam sputtering is investigated. It is established that annealing changes the concentration dependences of the ferromagnetic resonance field and linewidth and shifts the regions of metal phase concentration corresponding to the spin-wave resonance. © 2016, Allerton Press, Inc.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tkachenko V. A., Popov A.K., Myslivets S. A., Slabko V. V.
Заглавие : Extraordinary time-depended processes in the parametric interaction of counter-propagating waves
Коллективы : International Conference on Laser Optics, "Оптика лазеров", международная конференция
Место публикации : Int. Conf. Laser Optics, LO 2016: Proceedings: IEEE, 2016. - С. R838. - ISBN 9781467397353, DOI 10.1109/LO.2016.7549869
Примечания : Cited References:3
Ключевые слова (''Своб.индексиров.''): negative refractive index and negative dispersion--backward electromagnetic waves--transient parametric processes--counter-propagating waves
Аннотация: Three-wave mixing of ordinary and backward electromagnetic waves in the pulsed regime is investigated. It is shown that opposite direction of phase velocity and energy flux in the backward wave gives rise to extraordinary transient processes in the greatly enhanced optical parametric amplification and frequency-shifting nonlinear reflectivity. The discovered transients resemble time-delayed response of an oscillator on the pulsed excitation in the vicinity of its resonance. © 2016 IEEE.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Propagating Bloch bound states with orbital angular momentum above the light line in the array of dielectric spheres
Коллективы : Ministry of Education and Science of the Russian Federation (Minobrnauka) [N 3.1845.2017]; Russian Foundation for Basic Research (RFBR) [16-02-00314]
Место публикации : J. Opt. Soc. Am. A: Optical Society of America, 2017. - Vol. 34, Is. 6. - P.949-952. - ISSN 1084-7529, DOI 10.1364/JOSAA.34.000949. - ISSN 1520-8532(eISSN)
Примечания : Cited References:37. - Ministry of Education and Science of the Russian Federation (Minobrnauka) (N 3.1845.2017); Russian Foundation for Basic Research (RFBR) (16-02-00314).
Предметные рубрики: GUIDED-WAVES
CONTINUUM
BEHAVIOR
GRATINGS
Аннотация: We present propagating Bloch bound states in the radiation continuum with orbital angular momentum in an infinite linear periodical array of dielectric spheres. The bound states in the continuum demonstrate a giant Poynting vector spiraling around the array. They can be excited by a plane wave with incident linear polarization with a small tilt relative to the axis of the array.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Popov A. K., Nefedov I. S., Myslivets S. A.
Заглавие : Hyperbolic carbon nanoforest for phase matching of ordinary and backward electromagnetic waves: Second harmonic generation
Место публикации : ACS Photonics: American Chemical Society, 2017. - Vol. 4, Is. 5. - P.1240-1244. - ISSN 23304022 (ISSN), DOI 10.1021/acsphotonics.7b00146
Примечания : Cited References: 14. - This material is based on work supported in part by the U.S. Army Research Laboratory through the U.S. Army Research Office under Grant Number W911NF-14-1-0619 and by the Russian Foundation for Basic Research under Grant RFBR 15-02-03959A.
Ключевые слова (''Своб.индексиров.''): backward electromagnetic waves--carbon nanotubes--hyperbolic metamaterials--second harmonic generation
Аннотация: We show that a deliberately engineered dispersive metamaterial slab can enable the coexistence and phase matching of ordinary fundamental and contra-propagating backward second harmonic electromagnetic waves. Energy flux and phase velocity are contra-directed in the backward waves, which is the extraordinary phenomenon that gives rise to unique nonlinear optical propagation processes. We demonstrate that frequencies, phase, and group velocities, as well as the losses inherent to the guided electromagnetic modes supported by such metamaterial, can be tailored to maximize the conversion of frequencies and to reverse the propagation direction of the generated second harmonic wave. Such a possibility, which is of paramount importance for nonlinear photonics, is proven using a numerical model describing the hyperbolic metamaterial made of carbon nanotubes standing on the metal surface. Extraordinary properties of the backward-wave second harmonic generation in the reflection direction and of the corresponding frequency doubling metareflector in the THz are investigated with a focus on the pulsed regime. © 2017 American Chemical Society.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Ignatchenko V. A., Polukhin D. S.
Заглавие : Green's functions of polaritons in a medium with zero-mean inhomogeneous coupling parameter
Коллективы : International Conference on Photonics of Nano- and Bio-Structures, International Conference on Photonics of Nano- and Bio-Structures
Место публикации : Physics Procedia: Elsevier, 2017. - Vol. 86. - P.117-121. - , DOI 10.1016/j.phpro.2017.01.031
Примечания : Cited References: 10
Ключевые слова (''Своб.индексиров.''): electromagnetic waves--optical phonons--crossing resonance--polaritons--green's functions--self-consistent approximation
Аннотация: Dynamic susceptibilities (Green's functions) of the interacting electromagnetic waves G”e(ω) and optical phonons G”u(ω) in a medium with zero-mean inhomogeneous coupling parameter have been considered. The calculation was performed using a self-consistent approximation for the two stochastically interacting wave fields. It is shown that on the tops of the resonance maxima of the imaginary parts of the Green functions the fine structure is formed: a minimum (dip) on the top of G”e(ω) and narrow maximum (peak) on the top of G”u(ω). With increasing the correlation wavenumber of inhomogeneities kc (i.e., with decreasing the size of inhomogeneities), the width of the peak on G”u(ω) decreases, and two resonance maxima in the function G”e(ω) are formed. Because of the large difference in the speeds of light and optical phonons, the fine structure of the polaritons is manifested itself more clearly and saved to a much larger values of kc, than for the studied earlier crossing resonance of spin and elastic waves.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Slabko V. V., Popov A. K., Tkachenko V. A., Myslivets S. A.
Заглавие : Three-wave mixing of ordinary and backward electromagnetic waves: Extraordinary transients in the nonlinear reflectivity and parametric amplification
Место публикации : Opt. Lett.: Optical Society of America, 2016. - Vol. 41, Is. 17. - P.3976-3979. - ISSN 01469592 (ISSN), DOI 10.1364/OL.41.003976
Ключевые слова (''Своб.индексиров.''): amplification--circular waveguides--electromagnetic waves--mixing--nonlinear optics--phase matching--reflection--backward waves--energy fluxes--non-linear reflectivity--optical parametric amplification--parametric amplification--three wave mixing--transient process--optical parametric amplifiers
Аннотация: Three-wave mixing of ordinary and backward electromagnetic waves in a pulsed regime is investigated in the metamaterials that enable the coexistence and phase-matching of such waves. It is shown that the opposite direction of phase velocity and energy flux in backward waves gives rise to extraordinary transient processes due to greatly enhanced optical parametric amplification and frequency up- and down-shifting nonlinear reflectivity. The differences are illustrated through comparison with the counterparts in ordinary, co-propagating settings. © 2016 Optical Society of America.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Petrakovskii G. A., Loseva G. V., Mukoed G. M., Kiselev N. I., Baranov A. V.
Заглавие : Low-temperature electrical properties of Me(x)V(1-x)S
Место публикации : Fiz. Tverd. Tela: MEZHDUNARODNAYA KNIGA, 1996. - Vol. 38, Is. 4. - P1012-1016. - ISSN 0367-3294
Примечания : Cited References: 9
Предметные рубрики: DENSITY WAVES
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : POLSKII A. I., VERSHININ V. V., YAKOVCHUK V. Y.
Заглавие : DIRECT AND REVERSE TRANSFORMATIONS OF THE SURFACE ACOUSTIC-WAVES, USING PERIODIC MAGNETIC-STRUCTURES
Место публикации : Zhurnal Tek. Fiz.: MEZHDUNARODNAYA KNIGA, 1980. - Vol. 50, Is. 10. - P2236-2238. - ISSN 0044-4642
Примечания : Cited References: 4
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ignatchenko V. A., Iskhakov R. S.
Заглавие : Stochastic magnetic-structure and spin-waves in amorphous ferromagnetic substance
Место публикации : Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya. - 1980. - Vol. 44, Is. 7. - P.1434-1437. - ISSN 0367-6765
Примечания : Cited References: 6
WOS
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11.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Ignatchenko V. A., Polukhin D. S., Tsikalov D. S.
Заглавие : Self-consistent approximation: development and application
Коллективы : Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium, Институт физики им. Л.В. Киренского Сибирского отделения РАН
Место публикации : VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016): abstracts/ ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk: KIP RAS SB, 2016. - Ст.I1.6. - P.24. - ISBN 978-5-904603-06-9 (Шифр -478014040): приглашенный доклад
Примечания : References: 4
Ключевые слова (''Своб.индексиров.''): self-consistent approximation--green’s and vertex function--waves--inhomogeneities
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sadreev A. F.
Заглавие : Enhancement of Rayleigh scattering in a two-dimensional Fabry-Perot resonator loaded with impurities
Коллективы : Russian Science Foundation (RSF) [14-12-00266]
Место публикации : J. Opt. Soc. Am. A: Optical Society of America, 2016. - Vol. 33, Is. 7. - P.1277-1282. - ISSN 1084-7529, DOI 10.1364/JOSAA.33.001277. - ISSN 1520-8532(eISSN)
Примечания : Cited References:32. - Russian Science Foundation (RSF) (14-12-00266)
Предметные рубрики: COUPLED-MODE THEORY
MULTIPLE-SCATTERING
NUCLEAR REACTIONS
UNIFIED THEORY
RANDOM-MEDIA
TRANSMISSION
PARTICLES
WAVES
LIGHT
STRIP
Аннотация: We study wave transmission through a Fabry-Perot resonator (FPR) loaded with point-like impurities. We show both analytically in the framework of the coupled mode theory and numerically that there are two different regimes for transmission dependent on the quality of the FPR mirrors. For low quality, we obtain transmittance very similar to the clean FPR with slightly shifted Lorentz peaks. However, for good quality, the transmittance peaks are strongly reduced and substituted with Gaussian peaks because of multiple scattering of waves by each impurity. As a side effect, we observe the angular (channel) conversion in the disordered FPR. We demonstrate that the resonant peaks are dependent on the concentration of impurities to pave a way for resonant measurement of the concentration. (C) 2016 Optical Society of America
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Deich L. I., Eremenchuk M. V., Ignatchenko V. A.
Заглавие : Elastic waves in random-heterogeneous ferromagnetics in magnetoelastic resonance
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz. - 1996. - Vol. 109, Is. 4. - P.1370-1386. - ISSN 0044-4510
Примечания : Cited References: 5
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14.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Patrin G. S.
Заглавие : Magnetic resonance in [(CoP)soft/NiP/(CoP)hard/NiP]n multilayer film structures
Коллективы : Российская академия наук, Физико-технический институт им. А.Ф. Иоффе РАН, "Spin Waves", International Symposium
Место публикации : International Symposium "Spin Waves 2018": Program. - 2018. - Sec. 2: Spintronics. - 2-8
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15.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aksenov S. V.
Заглавие : Spin-dependent nonequilibrium transport in a quadruple quantum-dot device
Коллективы : Российская академия наук, Физико-технический институт им. А.Ф. Иоффе РАН, "Spin Waves", International Symposium
Место публикации : International Symposium "Spin Waves 2018": Program. - 2018. - Sec. 2: Spintronics. - 2-1
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Scattering plane waves by a dielectric cylinder with periodically modulated permittivity at oblique incidence
Коллективы : Ministry of Education and Science of Russian Federation [3.1845.2017]; Russian Foundation for Basic Research [16-02-00314]
Место публикации : Phys. Rev. A. - 2018. - Vol. 97, Is. 6. - Ст.063856. - ISSN 2469-9926, DOI 10.1103/PhysRevA.97.063856. - ISSN 2469-9934(eISSN)
Примечания : Cited References: 24. - We acknowledge discussions with A. A. Bogdanov and D. N. Maksimov. This paper was partially supported by Ministry of Education and Science of Russian Federation (State Contract No. 3.1845.2017) and Russian Foundation for Basic Research Grant No. 16-02-00314.
Предметные рубрики: BOUND-STATES
FANO RESONANCE
LIGHT LINE
CONTINUUM
ARRAYS
Аннотация: For scattering of electromagnetic waves by a dielectric cylinder with periodically modulated permittivity we focus on the vicinity of the frequency of the wave with regard to the eigenfrequencies of bound states in the continuum. Then response of the cylinder becomes extremely sensitive to the angle of incidence and polarization of the plane wave. The cross section of the scattering of electromagnetic waves with mixed polarization undergoes crucial change from the Bragg shape to the Fano shape by rotation of the polarization that paves a way to tuning of Fano resonances by an external source.
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17.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Malakhovskii A. V., Gnatchenko S. L., Kachur I. S., Piryatinskaya V. G., Gudim I. A.
Заглавие : Local properties of HoFe3(BO3)4 single crystal in the excited 5F5 states of Ho3+ ion at reorientation magnetic transitons
Коллективы : International Symposium on Spin Waves, Физико-технический институт им. А.Ф. Иоффе РАН
Место публикации : "Spin Waves 2018", International Symposium: abstracts. - 2018. - P.183
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18.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Guiding electromagnetic waves through the bound states in the radiation continuum in novel types
Коллективы : International Conference on Metamaterials, Photonic Crystals and Plasmonics
Место публикации : The 9th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META’18): Program/ spec. sess. org. A. F. Sadreev [et al.]. - 2018. - Session 4A10: Fano Resonances in Optics and Microwaves: Physics and Application III. - P.78
Примечания : Материалы конференции публикуются в журналах: Nanophotonics, Applied Physics A, Optical Materials Express, Advanced Electromagnetics
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19.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Abramova G. M., Gerasimova J. V., Kolesov B., Zhandun V. S., Molokeev M. S., Zharkov S. M., Vtyurin A. N.
Заглавие : The magnon mode in Raman spectra of the antiferromagnetic α-MnS
Коллективы : Российская академия наук, Физико-технический институт им. А.Ф. Иоффе РАН, "Spin Waves", International Symposium
Место публикации : International Symposium "Spin Waves 2018": Program. - 2018. - Sec. 3: Magnonics and propagation of spin waves. - 3-1
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20.

Вид документа : Статья из сборника (выпуск монографической серии)
Шифр издания :
Автор(ы) : Tkachenko, Viktor A., Tsipotan, Aleksey S., Myslivets S. A., Slabko, Vitaly V., Popov A. K.
Заглавие : Effects of losses and phase mismatch on transient processes in optical parametric amplification through three-wave mixing of ordinary and backward electromagnetic waves
Коллективы : Progress in Electromagnetics Research Symposium , Ministry of Education and Science of the Russian Federation [3.6341.2017/VU]; Russian Foundation for Basic Research (RFBR) [16-32-00129]; Government of Krasnoyarsk Territory [16-42-240410p_a]; Army Research Office (ARO) [W911NF-14-1-0619]; RFBR
Место публикации : Progress in Electromagnetics Research Symposium - Fall: IEEE, 2017. - P.720-723. - , DOI 10.1109/PIERS-FALL.2017.8293229
Примечания : Cited References:8. - This work was supported in parts by the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU), by the Russian Foundation for Basic Research (RFBR) (Grant 16-32-00129), by the RFBR and the Government of Krasnoyarsk Territory (Grant 16-42-240410p_a), and by the Army Research Office (ARO) (Grant W911NF-14-1-0619).
Предметные рубрики: NEGATIVE-INDEX METAMATERIALS
2ND-HARMONIC GENERATION
OSCILLATOR
Аннотация: Three-wave mixing of ordinary electromagnetic waves and the waves with contra-directed phase and group velocities in the pulsed regimes is shown to be accompanied by unusual transient processes. We have investigated how attenuation and phase mismatch of the coupled waves in the metamaterials change the properties of parametric amplification and the threshold intensity of the pump wave which is of critical importance.
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