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Magnetic microstructure in the Co41Fe39B20-SiO2, Co-SiO2, Co-CaF nanocomposite films / Iskhakov R.S., Komogortsev S.V., Denisova E.A., Chekanova L.A., Kalinin Yu.E., Sitnikov A.V. // Moscow Int. Symp. on Magnet. (MISM-2008) : June 20-25, 2008, Moscow : book of abstract. - 2008. - Ст. 22PO-8-46. - p. 299. - Support by the grant RFBR 07-02-01172-а; National Science Fund (2008, PhD RAS) are acknowledged

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Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Denisova, E. A.; Денисова, Елена, Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Kalinin, Yu. E.; Sitnikov, A. V.; Moscow International Symposium on Magnetism(4 ; 2008 ; Jun. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
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Ferromagnetic Resonance and Magnetic Microstructure in Nanocomposite Films of Co-x(SiO2)(1-x) and (CoFeB)(x)(SiO2)(1-x) / R. S. Iskhakov [et al.] // Phys. Solid State. - 2010. - Vol. 52, Is. 11. - P. 2263-2266, DOI 10.1134/S1063783410110089. - Cited References: 10. - This study was supported by the Ministry of Education and Science of the Russian Federation within the framework of the program "Development of the Scientific Potential of the Higher School" (project nos. RNP.2.1.1/2584 and RNP.2.1.1/3498) and the Russian Foundation for Basic Research (project no. 09-02-98002r_sibir_a). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
RANDOM ANISOTROPY
Аннотация: This paper reports on the results of the investigation of the relation between the magnetic microstructure and ferromagnetic resonance (FMR) in ferromagnetic metal-insulator composites by using granular alloys (Co41Fe39B20) (x) (SiO2)(1 - x) and Co (x) (SiO2)(1 - x) as an example. A comparative analysis of the properties of FMR spectra and parameters of random magnetic anisotropy leads to correlations between these quantities. It has been found that the main mechanism that determines the FMR line width in the films under investigation is the exchange narrowing mechanism.

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Держатели документа:
[Iskhakov, R. S.
Denisova, E. A.
Komogortsev, S. V.
Chekanova, L. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Iskhakov, R. S.
Komogortsev, S. V.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia
[Chekanova, L. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Kalinin, Yu. E.
Sitnikov, A. V.] Voronezh State Tech Univ, Voronezh 394017, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, pr. Mira 82, Krasnoyarsk 660049, Russian Federation
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk 660041, Russian Federation
Voronezh State Technical University, Moskovskii pr. 14, Voronezh 394017, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Denisova, E. A.; Денисова, Елена Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Kalinin, Y. E.; Sitnikov, A. V.
}
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Exchange Interaction in the Co-SiO2 Nanocomposite Films [Text] / R. S. Iskhakov, E. A. Denisova [et al.] // IV Euro-Asian Symposium "Trends in MAGnetism" Nanospintronics (EASTMAG-2010). School for young scientist "Spintronics" : June 28 - Lule 2, 2010"Book of abstracts. - Ekaterinburg, 2010. - P. 191

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Доп.точки доступа:
Iskhakov, R.S.; Denisova, E.A.; Komogortsev, S.V.; Stolyar, S.V.; Chekanova, L.A.; Maltsev, V.K.; Kalinin, Yu.E.; Sitnikov, A.V.; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); Уральское отделение РАН
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Numerical Simulations of Negative-Index Nanocomposite and Back ward-Wave Photonic Microdevices / A. K. Popov, S. A. Myslivets // International Conference on Modelling and Si mulations, ICMS 2010 : 22-25 Janiary 2010, Cape Town, South Africa: Proceeding. - 2010. - Vol. 61. - P107–121

Доп.точки доступа:
Popov, A.K.; Myslivets, S.A.; International Conference on Modelling and Simulations(2010 ; Jan. ; Cape Town, South Africa); World Academy of Science, Engineering and Technology
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Magnetic properties of CoFeB-Si02 nanocomposite and [(Co40Fe40B20)X(Si02)100-X/a-Si:H]n multilayer films / E. Denisova, R. Iskhakov, S. Komogortsev [et al.] // Moscow Int. Symp. on Magnet. (MISM-2011) : Book of abstracts. - 2011. - Ст. 22PO-I-29 . - P. 128

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Держатели документа:
Voronezh State Technical University, Voronezh, Russia

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Balaev, A. D.; Балаев, Александр Дмитриевич; Kalinin, Yu.; Sitnikov, A. V.; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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Exchange interaction in the Co-SiO2 nanocomposite films / E. A. Denisova [et al.] // TRENDS IN MAGNETISM. - 2011. - Vol. 168-169. - P265-268, DOI 10.4028/www.scientific.net/SSP.168-169.265 . - ISSN 1012-0394
Кл.слова (ненормированные):
exchange coupling parameter -- ferromagnetic resonance -- granular composite films -- cobalt -- exchange coupling -- exchange interactions -- ferromagnetic materials -- ferromagnetic resonance -- ferromagnetism -- magnetic resonance measurement -- nanocomposite films -- nanocomposites -- nuclear magnetic resonance -- resonance -- silicon compounds -- spin waves -- cobalt -- exchange coupling -- exchange interactions -- ferromagnetic materials -- ferromagnetic resonance -- ferromagnetism -- magnetic resonance measurement -- magnetism -- nanocomposite films -- nuclear magnetic resonance -- spin fluctuations -- spin waves -- co content -- coupling parameters -- dispersion relations -- granular composite films -- magnetic measurements -- nanogranulars -- nmr studies -- structural state -- granular composites -- nano-granular -- standing spin waves -- composite films -- composite films
Аннотация: The properties of Co-SiO2 nanogranular composite films, containing a Co volume fraction ranging from 0.3 to 0.8, have been characterized by means of magnetic measurements, NMR study, and ferromagnetic resonance. Thermal decrease of CoX(SiO2)100-X magnetization follows the T3/2 law and allows to estimate the exchange interaction constant A. With growing nominal Co content the transitions from granular to continuous structural state at 36% Co are registered by FMR measurements. The spectrum of standing spin-wave has been detected in the perpendicular experiment configuration for films with the Co content above 52 vol. %. It is found that the type of the dispersion relation of spin waves in Co-SiO2 composite films is affected by the exchange coupling fluctuations.

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Держатели документа:
Kirensky Institute of Physics, SB, RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Siberian University of Technology, Krasnoyarsk, 660049, Russian Federation
Voronezh State Technical University, Voronezh, Russian Federation

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Stolyar, S. V.; Столяр, Сергей Викторович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Maltsev, V. K.; Мальцев, Вадим Константинович; Kalinin, Y. E.; Sitnikov, A. V.
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Vetrov, S. Ya.
Spectral properties of a one-dimensional photonic crystal with a resonant defect nanocomposite layer / S. Y. Vetrov, A. Y. Avdeeva, I. V. Timofeev // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 5. - P. 755-761, DOI 10.1134/S1063776111140093. - Cited References: 33. - This work was supported by projects nos. NSh-7810.2010.3, RNP.2.1.1.3455, 27.1 and 3.9.1 of the Russian Academy of Sciences, 5 and 144 of the Siberian Branch of the Russian Academy of Sciences, and State contract no. 02.740.11.0220 according to the program Research and Scientific-Pedagogical Brainpower of Innovated Russia. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
OPTICAL-PROPERTIES
   SEMICONDUCTOR MICROCAVITIES
   2ND-HARMONIC GENERATION
   HETEROGENEOUS MEDIA
   MODE
   ENHANCEMENT
   DISPERSION
   SYSTEM
Аннотация: The spectral properties of a one-dimensional photonic crystal with a defect nanocomposite layer that consists of metallic nanoballs distributed in a transparent matrix and is characterized by an effective resonance permittivity are studied. The problem of calculating the transmission, reflection, and absorption spectra of p-polarized waves in such structures is solved for oblique incidence of light, and the spectral manifestation of defect-mode splitting as a function of the volume fraction of nanoballs and the structural parameters is studied. The splitting is found to depend substantially on the nanoball concentration in the defect, the defect layer thickness, and the angle of incidence. The angle of incidence is found at which the resonance frequency of the nanocomposite is located near the edge of the bandgap or falls in the frequency region of a continuous spectrum. The resonance situation appearing in this case results in an additional transmission band or an additional bandgap in the transmission spectrum.

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

Доп.точки доступа:
Avdeeva, A. Y.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Ветров, Степан Яковлевич
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Magneto-optical Kerr effect enhancement in Co-Ti-O nanocomposite films / V. V. Polyakov [et al.] // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 506-509, DOI 10.4028/www.scientific.net/SSP.190.506 . - ISBN 1012-0394. - ISBN 9783037854365
Кл.слова (ненормированные):
Kerr effect -- Magneto-optical properties -- Nanocomposite films -- Nanogranular films -- Co films -- Kerr rotation angle -- Layer structures -- Layered Structures -- Magnetic phase -- Magneto-optical Kerr effects -- Magneto-optical spectra -- Magnetooptical properties -- Metal film -- Nanogranular films -- Volume concentration -- Wavelength ranges -- Kerr magnetooptical effect -- Magnetic materials -- Metallic films -- Nanocomposite films -- Optical Kerr effect -- Optical properties -- Wavelength -- Cobalt
Аннотация: Co-Ti-O nanogranular films with different volume concentrations of a magnetic phase and Co/Ti-O layered structures with different numbers of layer pairs are studied by the magnetooptical Kerr effect. It is shown that, unlike the case of homogeneous metal films, the magnetooptical spectra of the nanogranular films exhibit resonance with a significant increase in the Kerr rotation angle in the wavelength range 500-700 nm. It is found that the Kerr rotation angle of the Co/Ti-O layer structures in the wavelength range 500-600 nm grows by an order of magnitude as compared to its value for ordinary Co films. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Polyakov, V. V.; Поляков, Виктор Васильевич; Polyakova, K. P.; Полякова, Клавдия Павловна; Seredkin, V. A.; Середкин, Виталий Александрович; Patrin, G. S.; Патрин, Геннадий Семёнович; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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Three and two dimensional granular nanocomposite films Co40Fe40B20-SiO2 / Е. А. Denisova [et al.] // 19th International Symposium on Metastable, Amorphous and Nanostructural Materials (ISMANAM-2012) : book of abstracts. - 2012. - P. 166

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kalinin, Yu. E.; Sitnikov, A. V.; Национальный исследовательский технологический университет "МИСИС"; International Symposium on Metastable, Amorphous and Nanostructural Materials(19 ; 2012 ; июнь ; 18-22 ; Москва); Международный симпозиум по метастабильным, аморфным и наноструктурированным материалам(19 ; 2012 ; июнь ; 18-22 ; Москва)
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10.

Kuzovnikova, L. A.
Magnetic nanocomposite Al2O3/Co100-XPX particles: structure and magnetic properties / L. А. Kuzovnikova, Е. А. Denisova, L. А. Chekanova // 19th International Symposium on Metastable, Amorphous and Nanostructural Materials (ISMANAM-2012) : book of abstracts. - 2012. - P. 149

Материалы конференции
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Денисова, Елена Александровна; Denisova, E. A.; Chekanova, L. A.; Чеканова, Лидия Александровна; Кузовникова, Людмила Александровна; Национальный исследовательский технологический университет "МИСИС"; International Symposium on Metastable, Amorphous and Nanostructural Materials(19 ; 2012 ; июнь ; 18-22 ; Москва); Международный симпозиум по метастабильным, аморфным и наноструктурированным материалам(19 ; 2012 ; июнь ; 18-22 ; Москва)
}
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