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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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Thermally activated dissipation in a novel foamed Bi-based oxide superconductor in magnetic fields / K. A. Shaykhutdinov [et al.] // Supercond. Sci. Technol. - 2007. - Vol. 20, Is. 6. - P. 491-494, DOI 10.1088/0953-2048/20/6/001. - Cited References: 20 . - ISSN 0953-2048

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
FLUX
   BI2SR2CACU2O8+DELTA
   MECHANISM
   PHASE
   FILMS
Кл.слова (ненормированные):
Bismuth compounds -- Josephson junction devices -- Magnetic field effects -- Transport properties -- Resistive transitions -- Thermally activated dissipation -- Oxide superconductors
Аннотация: The transport properties of a novel foamed superconductor Bi1.8Pb0.3Sr1.9Ca2Cu3Ox have been studied. As the analysis of resistive transitions in a magnetic field shows, the dissipation follows a thermally activated flux creep model with the temperature- independent pinning potential in S-N-S-type Josephson junctions.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Boreskov Inst Catalysis, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, Akademgorodok 50, 660036 Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, Lavrent'ev avenue 5, 630090 Novosibirsk, Russian Federation

Доп.точки доступа:
Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Vasilyev, A. D.; Martyanov, O. N.; Petrov, M. I.; Петров, Михаил Иванович
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The spin-wave resonance study of concentrational inhomogeneities in nanocrystalline Ni-Fe-P and Ni-Fe-C alloys / R. S. Iskhakov [et al.] // Tech. Phys. Lett. - 2001. - Vol. 27, Is. 4. - P. 344-347, DOI 10.1134/1.1370222. - Cited References: 16 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
PULSED PLASMA VAPORIZATION
FILMS
PRESSURE
Аннотация: The films of nanocrystalline Fe-Ni alloys obtained by various methods in the permalloy composition range (similar to 20 at. % Fe) were studied by the method of spin-wave resonance (SWR) spectroscopy. The effective SW exchange stiffness eta (eff) exhibits a characteristic dependence on the spin wavelength, which is indicative of the magnetization fluctuations in these films with a correlation radius of 12-20 nm. This is indirect evidence of the microphase separation in these nanocrystalline alloys and provides an estimate of the characteristic spatial size of an inhomogeneity in the atomic ratio X-Fe/X-Ni . (C) 2001 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, KIrenskii Inst Phys, Siberian Div, Krasnoyarsk, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Prokof'ev, D. E.; Chekanova, L. A.; Чеканова, Лидия Александровна; Zhigalov, V. S.; Жигалов, Виктор Степанович
}
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    The manifestations of the two-dimensional magnetic correlations in the nanocrystalline ribbons Fe64CO21B15 / R. S. Iskhakov [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 374. - P. 423-426, DOI 10.1016/j.jmmm.2014.08.078. - Cited References: 42 . - ISSN 0304-8853. - ISSN 1873-4766
   Перевод заглавия: Проявления двумерных магнитных корреляций в нанокристаллических лентах Fe64Co21B15

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
GRAIN-SIZE DEPENDENCE
   RANDOM ANISOTROPY
   AMORPHOUS-ALLOYS
   COERCIVE FORCE
   FERROMAGNETS
   FILMS
   SATURATION
   Fe
   MICROSTRUCTURE
   EVOLUTION
Кл.слова (ненормированные):
Magnetic correlations -- Nanoclystalline alloys -- Random magnetic anisotropy -- Coercivity
Аннотация: We report and discuss the grain size dependence of the coercivity and approach magnetization to saturation in the FeCoB ribbons. Instead of expected three-dimensional magnetic correlations for 20 mu m thick ribbon with grain size about 10 nm, the observed behavior could be attributed to the two-dimensional stochastic magnetic domains and two dimensional magnetization ripple. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
RAS, Kirensky Inst Phys, SB, Krasnoyarsk, Russia
Irkutsk State Univ, Irkutsk 664003, Russia
Siberian State Technol Univ, Krasnoyarsk, Russia

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Balaev, A. D.; Балаев, Александр Дмитриевич; Gavriliuk, A. A.; Гаврилюк, Алексей Александрович
}
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The magnetic structure of ferromagnetic filaments of a CoNi(P) alloy in a porous silicon matrix / R. S. Iskhakov [et al.] // Tech. Phys. Lett. - 2003. - Vol. 29, Is. 4. - P. 263-266, DOI 10.1134/1.1573285. - Cited References: 12 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
RANDOM ANISOTROPY
   NI NANOWIRES
   NANOCRYSTALLINE
   FILMS
   CO
   FE
Аннотация: The magnetic and resonance properties of CoNi(P) alloys, synthesized by chemical deposition as films on single crystal silicon substrates and as filaments in linear pores of porous silicon substrates, were studied by magnetization and ferromagnetic resonance measurements. It is established that CoNi(P) alloys of the same composition but different morphologies occur in states characterized by different degrees of nonequilibrium, which is manifested by different modes of the magnetization approach to saturation. (C) 2003 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk Stt. Tech. University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Balaev, A. D.; Балаев, Александр Дмитриевич; Yuzova, V. A.; Semenova, O. V.
}
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The bias-controlled giant magnetoimpedance effect caused by the interface states in a metal-insulator-semiconductor structure with the Schottky barrier / N. V. Volkov [et al.] // Appl. Phys. Lett. - 2014. - Vol. 104, Is. 22. - Ст. 222406, DOI 10.1063/1.4881715. - Cited References: 20. - This study was supported by the Russian Foundation for Basic Research, Project Nos. 14-02-00234-a and 14-02-31156; the Presidium of the Russian Academy of Sciences, program Quantum Mesoscopic and Disordered Structures, Project No. 20.8; and the Russian Ministry of Education and Science, Project No. 02.G25.31.0043. . - ISSN 0003-6951. - ISSN 1077-3118

РУБ Physics, Applied
Рубрики:
MAGNETO-IMPEDANCE
FILMS
Аннотация: We demonstrate that ferromagnetic metal/insulator/semiconductor hybrid structures represent a class of materials with the giant magnetoimpedance effect. In a metal-insulator-semiconductor diode with the Schottky barrier fabricated on the basis of the Fe/SiO2/n-Si structure, a drastic change in the impedance in an applied magnetic field was found. The maximum value of this effect was observed at temperatures of 10–30 K in the frequency range of 10 Hz–1 MHz where the ac magnetoresistance and magnetoreactance ratios exceeded 300% and 600%, respectively. In the low-frequency region (<1 kHz), these ratios could be controlled in wide range by applying bias to the device. The main contribution to the impedance when measured at temperatures corresponding to the strongest magnetic-field sensitivity comes from the interface states localized near the SiO2/n-Si interface and the processes of their recharging in an applied ac voltage. The applied magnetic field changes the energy structure of the interface states, thus affecting the processes of the charging dynamics.

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Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia
Russian Acad Sci, Inst Automat & Control Proc, Far East Branch, Vladivostok 690041, Russia
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok 690950, Russia

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Tarasov, A. S.; Тарасов, Антон Сергеевич; Smolyakov, D. A.; Смоляков, Дмитрий Александрович; Gustaitsev, A. O.; Balashov, V. V.; Korobtsov, V .V.; Russian Foundation for Basic Research [14-02-00234-a, 14-02-31156]; Presidium of the Russian Academy of Sciences [20.8]; Russian Ministry of Education and Science [02.G25.31.0043.]
}
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Superparamagnetic and ferrimagnetic nanoparticles in glass matrix / I. S. Edelman [et al.] // Physica B. - 2001. - Vol. 301, Is. 3-4. - P. 203-211, DOI 10.1016/S0921-4526(01)00274-5. - Cited References: 9 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
MAGNETIC-PROPERTIES
PARTICLES
FILMS
Кл.слова (ненормированные):
magnetic nanoparticles -- Faraday rotation -- Faraday rotation -- Magnetic nanoparticles -- Crystal structure -- Faraday effect -- Ferrimagnetic materials -- Glass -- Particle size analysis -- Superparamagnetism -- X ray diffraction analysis -- Amorphous glass matrices -- Faraday rotations -- Nanostructured materials
Аннотация: Faraday rotation (FR) spectral, field, and temperature dependencies in oxide glasses with small additions of paramagnetic elements are investigated. Formation of ferrite nanoparticles in amorphous glass matrices is revealed by X-ray diffraction. Particles have crystal structure similar to spinel structure, their dimensions are about 10-24 nm. The FR field dependencies are typical for ferrimagnetic or superparamagnetic substances depending on particle size. Strong FR increase at the samples cooling (more than twice for some samples) in the temperature interval 105-273 K is observed. (C) 2001 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
SI Vavilov State Opt Inst, St Petersburg 193117, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Russian Academy of Sciences-SB, Krasnoyarsk 660036, Russian Federation
S.I. Vavilov Optical State Institute, St. Peterburg 193117, Russian Federation

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R.; Vasiliev, A.; Stepanov, S.; Kornilova, E.; Zarubina, T.
}
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Superlattices consisting of "lines" of adsorbed hydrogen atom pairs on graphene / L. A. Chernozatonskii [et al.] // JETP Letters. - 2007. - Vol. 85, Is. 1. - P. 77-81, DOI 10.1134/S002136400701016X. - Cited References: 25 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CARBON NANOTUBES
   ELECTRON-GAS
   GRAPHITE
   FILMS
   PSEUDOPOTENTIALS
Аннотация: The structures and electron properties of new superlattices formed on graphene by adsorbed hydrogen molecules are theoretically described. It has been shown that superlattices of the (n, 0) zigzag type with linearly arranged pairs of H atoms have band structures similar to the spectra of (n, 0) carbon nanotubes. At the same time. superlattices of the (n, n) type with a "staircase" of adsorbed pairs of H atoms are substantially metallic with a high density of electronic states at the Fermi level and this property distinguishes their spectra from the spectra of the corresponding (n, n) nanotubes. The features of the spectra have the Van Hove form, which is characteristic of each individual superlattice. The possibility of using such planar structures with nanometer thickness is discussed.

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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Humboldt Univ, Inst Math, D-12489 Berlin, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660049, Russia
ИФ СО РАН
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119334, Russian Federation
Institute of Mathematics, Humboldt University of Berlin, Berlin, 12489, Germany
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Chernozatonskii, L. A.; Sorokin, P. B.; Belova, E. E.; Bruning, J.; Fedorov, A. S.; Федоров, Александр Семенович
}
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Sukhinin, Y. V.
Phase transitions in self-assembled monolayers of alkanethiols containing the polar group / Y. V. Sukhinin // J. Exp. Theor. Phys. - 1998. - Vol. 87, Is. 1. - P. 115-122, DOI 10.1134/1.558645. - Cited References: 38 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ORGANIZED MOLECULAR ASSEMBLIES
   ALKYL THIOL MONOLAYERS
   STRUCTURAL CHARACTERIZATION
   DYNAMICS SIMULATION
   LANGMUIR MONOLAYER
   SURFACES
   GOLD
   FILMS
   AU(111)
   MODEL
Аннотация: Equilibrium states of the system of self-assembled monolayers (SAMs) of n-alkanethiol molecules HS(CH2)(n-1)(X) with polar group X chemiabsorbed on the Au(111) crystal surface are considered. The couplings between the atoms (C, H) of the n-alkanethiols are approximated by the Lennard-Jones potential. The couplings between the n-alkanethiols and the crystal surface are approximated by the 12-3 potential. The interactions of polar groups and the self-images with the metal substrate are taken into consideration. The phase-transition temperatures, the structural order and equilibrium tilt, and the twist and azimuthal angles of the macromolecules, which depend on the dipole moments, are found. (C) 1998 American Institute of Physics.

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Держатели документа:
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
}
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10.

Study of magnetic flux pinning in granular YBa2Cu3O7-y / nanoZrO2 composites / A. V. Ushakov [et al.] // JETP Letters. - 2014. - Vol. 99, Is. 2. - P. 99-103, DOI 10.1134/S002136401402009X. - Cited References: 15. - This work was supported in part by the Ministry of Education and Sciences of the Russian Federation (project no. 7.4484.2011). . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
TEMPERATURE SUPERCONDUCTING WIRE
CRITICAL-CURRENT-DENSITY
FILMS
Аннотация: IIn this work, the effect of ZrO2 nanoparticles prepared in a low-pressure arc discharge plasma on magnetic flux pinning of granular YBa2Cu3O7-y /nanoZrO2 composites has been studied. It has been shown that the ZrO2 nanoparticles do not change the superconducting transition and the microstructure of superconductors. At a temperature of 5 K, the addition of 0.5 and 1 wt % of ZrO2 nanoparticles may lead to the additional effect of magnetic flux pinning and the increase in the critical current density J c. The J c value for composites with 1 wt % is two times larger than that for the reference sample. The fishtail effect is observed for YBa2Cu3O7-y /nanoZrO2 composites at the temperatures of 20 and 50 K. The problems associated with the additional effect of magnetic flux pinning of granular YBa2Cu3O7-y /nanoZrO2 composites and the appearance of the fishtail effect have been discussed.

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Публикация на русском языке Исследование пиннинга магнитного потока в YBa2Cu3O7-y/наноZrO2 гранулярных композитах [Текст] / А. В. Ушаков [и др.] // Письма в Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 99 Вып. 1-2. - С. 105-109

Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660074, Russia
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Ushakov, A. V.; Karpov, I. V.; Lepeshev, A. A.; Petrov, M. I.; Петров, Михаил Иванович; Fedorov, L. Y.; Ministry of Education and Sciences of the Russian Federation [7.4484.2011]
}
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11.

Study of dependence upon the magnetic field and transport current of the magnetoresistive effect in YBCO-based bulk composites / D. A. Balaev [et al.] // Supercond. Sci. Technol. - 2007. - Vol. 20, Is. 6. - P. 495-499, DOI 10.1088/0953-2048/20/6/002. - Cited References: 25 . - ISSN 0953-2048

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
CERAMIC SUPERCONDUCTORS
   DISSIPATION
   TRANSITION
   SENSORS
   MOTION
   FILMS
Кл.слова (ненормированные):
Current voltage characteristics -- Lorentz force -- Magnetic field effects -- Magnetic flux -- Magnetic sensors -- Magnetoresistance -- Intergrain boundaries -- Magnetic field sensor devices -- Magnetoresistance curves -- Magnetoresistive properties -- Yttrium barium copper oxides
Аннотация: The magnetoresistive properties of bulk YBCO + CuO and YBCO + BaPb0.75Sn0.25O3 composites for different orientations of external magnetic field H and macroscopic transport current j have been measured. These composites exhibit large magnetoresistance in weak magnetic fields (< 100 Oe), which makes them promising candidates for practical application in magnetic field sensor devices. The difference between.( T) dependences, magnetoresistance curves R( H) and current - voltage characteristics measured for H parallel to j and H || j is observed indicating the presence of the Lorentz- force- dependent dissipation in the composites. Angular dependences of magnetoresistance R(theta) ( where theta = angle H, j) of the composites in weak magnetic fields are found to be proportional to sin(2)theta. This fact suggests that the flux flow in the intergrain boundaries is responsible for the large magnetoresistive effect observed in the composites.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Prus, A. G.; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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12.

Spontaneous magnetization and characteristics of temperature-induced magnetization of planar Co/Si nanostructures / V. O. Vas'kovskii [et al.] // Low Temp. Phys. - 2007. - Vol. 33, Is. 4. - P. 324-328 ; Физика низких температур, DOI 10.1063/1.2720079. - Cited References: 9 . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
MULTILAYERS
FILMS
Аннотация: The magnetic properties of planar Co/Si nanostructures with different nominal thicknesses of the magnetic (2-42 nm) and nonmagnetic (0.3-10 nm) constituent layers are studied in the temperature range 4.2-300 K. It is established that in the presence of Si layers the spontaneous magnetization of Co decreases and its temperature dependence changes, and magnetic hysteresis is modified. The interlayer influence is interpreted as being due to the diffusion of Si into the Co layers, which results in the formation of magnetically disordered boundary interfaces with low average magnetization. The depth of the interfaces depends on the nominal thickness of the Si layers and is estimated to reach 1.6 nm. A qualitative explanation of the characteristics of the magnetization of the experimental objects under the influence of a magnetic field and temperature is given in a model where the interfaces have a granular microstructure. Electron-microscope observations confirm some assumptions of the proposed model. (C) 2007 American Institute of Physics.

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Держатели документа:
AM Gorkil Ural State Univ, Ekaterinburg 620083, Russia
Russian Acad Sci, Siberian Branch, LV Kirenskii Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Ural Branch, Inst Phys Met, Ekaterinburg 620241, Russia
ИФ СО РАН
A. M. Gor'kii Ural State University, pr. Lenina 51, Ekaterinburg 620083, Russian Federation
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of the Physics of Metals, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg 620241, Russian Federation

Доп.точки доступа:
Vas'kovskii, V. O.; Patrin, G. S.; Патрин, Геннадий Семёнович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Svalov, A. V.; Shchegoleva, N. N.

}
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13.

Spin-wave resonance in a multilayer Co[[d]]1 − x[[/d]]P[[d]]x[[/d]]/Co[[d]]1 − y[[/d]]P[[d]]y[[/d]] structure as a method of detection of the Bragg gaps in a spin wave spectrum / R. S. Iskhakov [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 4. - P. 748-753. - Cited References: 17. - This study was supported by the Ministry of Education and Science of the Russian Federation within the framework of the Analytic Department Targeted Program "Development of the Scientific Potential of the Higher School (2011)" and Russian Federal Targeted Program "Scientific and Scientific-Pedagogical Human Resources for the Innovative Russia in 2009-2013." . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
ALLOYS
FILMS
Аннотация: The method of spin-wave resonance has been used to detect in multilayer (Co98P2/Co95P5)N structures a modification of the exchange spin wave spectrum due to the formation of the first, second, and third Brillouin zones in a one-dimensional magnon crystal formed by a periodic modulation of the exchange. The band gaps have been measured for wave vectors kb = π/(d1 + d2) and 2kb.

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Публикация на русском языке Спин-волновой резонанс в мультислойной структуре Co[[d]]1-X[[/d]]Рx/Co[[d]]1-Y[[/d]]Рy как метод регистрации брегговских щелей в спектре спиновых волн / В. С. Жандун // Физика твердого тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54, Вып. 4. - С. 704-708. - ISSN 0367-3294

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Stolyar, S. V.; Столяр, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Chizhik, M. V.; Чижик, Михаил Владимирович
}
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14.

Spin Wave Resonance in the [(Co0.88Fe0.12)/Cu]N Synthetic Antiferromagnet / I. G. Vazhenina, R. S. Iskhakov, M. A. Milyaev [et al.] // Tech. Phys. Lett. - 2020. - Vol. 46, Is. 11. - P. 1076-1079, DOI 10.1134/S1063785020110140. - Cited References: 19. - This study was carried out under a state order of the Ministry of Science and Higher Education of the Russian Federation (theme "Spin" no. AAAA-A18-118020290104-2) and supported in part by the Russian Foundation for Basic Research (project no. 20-42-660018) . - ISSN 1063-7850. - ISSN 1090-6533

РУБ Physics, Applied
Рубрики:
MAGNETIC-PROPERTIES
   MAGNETORESISTANCE
   SPECTRUM
   FILMS
Кл.слова (ненормированные):
spin wave resonance -- synthetic antiferromagnet -- exchange coupling constant
Аннотация: The [(Co0.88Fe0.12)/Cu]N synthetic antiferromagnet has been investigated by the spin wave resonance method over the entire range of angles of an external dc magnetic field to the film surface normal. The investigations have shown that the superlattice under study consists of two exchange-coupled magnetic subsystems, each manifested in the recorded spectra as a series of spin-wave modes. The dependence of the linear region of propagation of a standing spin-wave mode on the sample orientation in an external magnetic field has been established.

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Публикация на русском языке Спин-волновой резонанс в синтетическом антиферромагнетике [(Co0.88Fe0.12)/Cu]N [Текст] / И. Г. Важенина, Р. С. Исхаков, М. А. Миляев [и др.] // Письма в Журн. техн. физ. - 2020. - T. 46 Вып. 21. - С. 28-31

Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Ural Branch, MN Mikheev Inst Met Phys, Ekaterinburg 620108, Russia.

Доп.точки доступа:
Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Milyaev, M. A.; Naumova, L. I.; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Ministry of Science and Higher Education of the Russian Federation [AAAA-A18-118020290104-2]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [20-42-660018]
}
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15.

Spin states of 2D nanocomposites of Ni and V nanoclusters on hexagonal h-BN, BC3 and graphene / P. Avramov [et al.] // J. Mater. Sci. Technol. - 2015. - Vol. 31, Is. 10. - P. 979-985, DOI 10.1016/j.jmst.2015.08.008. - Cited References:21. - The work of Russian team was supported by Russian Scientific Foundation (Grant No. 14-13-00139). P.V.A. acknowledges JAEA ASRC and Molecular Spintronics Group for hospitality and fruitful collaboration. . - ISSN 1005-0302

РУБ Materials Science, Multidisciplinary + Metallurgy & Metallurgical
Рубрики:
BORON-NITRIDE
FILMS
Кл.слова (ненормированные):
Electronic structure -- Metal nanostructure -- Nanocomposites -- Graphene -- h-BN -- BC3 -- Spin states
Аннотация: Atomic and electronic structures of adsorbed nickel and vanadium atoms and nanoclusters (Ni-n and V-n, n = 1-10) on hexagonal h-BN and BC3 lattices were studied using DFT PBE/PBC/PW (Perdew-Burke-Ernzerhof potential of density functional theory/periodic boundary conditions/plane wave basis set) technique. For the sake of comparison the structure and properties of the same nanoclusters deposited on pristine graphene were calculated as well. It was found that for all types of supports an increase of n from 1 to 10 leaded to decrease of coordination types from eta(6) to eta(2) and eta(1). The h-BN- and BC3-based nanocomposites were characterized by high (up to 18 mu for Ni10/BC3) magnetic moments of the nanoclusters and featured by positive binding energies. The graphene-based nanocomposites revealed energetic stability and, in general, lower magnetic moments per unit cell. The direct potential energy barriers for migration of Ni eta(2)/eta(2) and eta(6)/eta(6) types of dimers on graphene were low (10.9-28.9 kJ/mol) with high reverse barriers for eta(6)/eta(6) dimers, which favored dynamically equilibrated Ni clusterization on graphene. Copyright (C) 2015, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.

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Держатели документа:
Kyungpook Natl Univ, Taegu 702701, South Korea.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Academgorodok, Russia.
Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan.

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Sakai, S.; Entani, S.; Naramoto, H.; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Russian Scientific Foundation [14-13-00139]
}
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16.

Solid-state synthesis of the ZnO-Fe3O4 nanocomposite: Structural and magnetic properties / L. E. Bykova [et al.] // Phys. Solid State. - 2015. - Vol. 57, Is. 2. - P. 386-390, DOI 10.1134/S1063783415020079. - Cited References:27 . - ISSN 1063. - ISSN 1090-6460. -

РУБ Physics, Condensed Matter
Рубрики:
Fe3O4/ZnO NANOCOMPOSITES
ZnO NANOCOMPOSITES
FILMS
Аннотация: The structural and magnetic properties of ZnO-Fe3O4 nanocomposites produced by the solid-state reaction Zn + 3Fe2O3 → ZnO + 2Fe3O4 upon annealing of Zn/α-Fe2O3 films under vacuum at a temperature of 450°C have been studied. Ferrimagnetic Fe3O4 clusters with an average grain size of 40 nm and a magnetization of ∼430 emu/cm3 at room temperature, which are surrounded by a ZnO layer with a large contact surface, have been synthesized. The magnetic characteristics of the ZnO-Fe3O4 nanocomposite in the temperature range of 10–300 K have been presented.

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Публикация на русском языке Твердофазный синтез нанокомпозита ZnO-Fe3O4: структурные и магнитные свойства [Текст] / Л. Е. Быкова [и др.] // Физ. тверд. тела. - 2015. - Т. 57 Вып. 2. - С. 366-370

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

Доп.точки доступа:
Bykova, L. E.; Быкова, Людмила Евгеньевна; Myagkov, V. G.; Мягков, Виктор Григорьевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Polyakova, K. P.; Полякова, Клавдия Павловна; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Nemtsev, I. V.; Немцев, Иван Васильевич; Polyakov, V. V.; Поляков, Виктор Васильевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич
}
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17.

Solid-phase synthesis of manganese silicides on the Si(100)2 x 1 surface / S. N. Varnakov [et al.] // Phys. Solid State. - 2014. - Vol. 56, Is. 4. - P. 812-815, DOI 10.1134/S1063783414040337. - Cited References: 20. - This study was supported by the Russian-German Laboratory at HZB BESSY, the Russian Foundation for Basic Research (project nos. 13-02-00398 and 13-02-01265), the Council on Grants from the President of the Russian Federation for Support of the Leading Scientific Schools (grant no. NSh-1044.2012.2), and the Integration Project No. 85 of the Siberian and Ural Branches of the Russian Academy of Sciences. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
PHOTOELECTRON-SPECTROSCOPY
GROWTH
FILMS
Аннотация: The solid-phase synthesis of manganese silicides on the Si(100)2 × 1 surface coated at room temperature by a 2-nm-thick manganese film has been investigated using high-energy-resolution photoelectron spectroscopy with synchrotron radiation. The dynamics of variation of the phase composition and electronic structure of the near-surface region with increasing sample annealing temperature to 600°C, has been revealed. It has been shown that, under these conditions, a solid solution of silicon in manganese, metallic manganese monosilicide MnSi, and semiconductor silicide MnSi1.7 are successively formed on the silicon surface. The films of both silicides are not continuous, with the fraction of the substrate surface occupied by them decreasing with increasing annealing temperature. The binding energies of the Si 2p and Mn 3p electrons in the compounds synthesized have been determined.

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Публикация на русском языке Твердофазный синтез силицидов марганца на поверхности Si(100)2x1 [Текст] / С. Н. Варнаков [и др.] // Физ. тверд. тела. - 2014. - Т. 56 Вып. 4. - С. 779-782

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Russian Acad Sci, Ioffe Phys Tech Inst, St Petersburg 194021, Russia

Доп.точки доступа:
Varnakov, S. N.; Варнаков, Сергей Николаевич; Gomoyunova, M. V.; Grebenyuk, G.S .; Zabluda, V. N.; Заблуда, Владимир Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Pronin, I. I.; Russian-German Laboratory at HZB BESSY; Russian Foundation for Basic Research [13-02-00398, 13-02-01265]; Council on Grants from the President of the Russian Federation for Support of the Leading Scientific Schools [NSh-1044.2012.2]; Siberian Branch of the Russian Academy of Sciences [85]; Ural Branch of the Russian Academy of Sciences [85]
}
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18.

Semenov, A. P.
Stability of the C-C covalent bonds in fullerenes in the solid body-vapor structure during the thermodynamic action by a quasi-pulsed electron beam / A. P. Semenov, I. A. Semenova, G. N. Churilov // Tech. Phys. - 2015. - Vol. 60, Is. 4. - P. 610-613, DOI 10.1134/S1063784215040258. - Cited References:12. - This work was supported by the Russian Foundation for Basic Research (project no. 12-08-98000-r_sibir'_a) and the program of basic research of the Siberian Branch, Russian Academy of Sciences (project no. II.9.3.1). . - ISSN 1063. - ISSN 1090-6525. -

РУБ Physics, Applied
Рубрики:
FILMS
Аннотация: The explosive evaporation of a fullerene mixture in a vacuum of ∼10−2 Pa during the contraction of a 1-kW hollow electron beam into a spot on a substrate in a time of 0.1–1 s is considered. A comparative analysis of the Raman spectra and the absorption electron spectra of a starting fullerene mixture powder and the vapor condensates shows that the evaporation of C60 and C70 fullerenes proceeds without breaking C–C covalent bonds.

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Публикация на русском языке Семенов А. П. Устойчивость C-C-ковалентных связей фуллеренов в структуре твердое тело-пар при термодинамическом воздействии квазиимпульсным электронным пучком [Текст] / А. П. Семенов, И. А. Семенова, Г. Н. Чурилов // Журн. техн. физ. - 2015. - Т. 85 Вып. 4. - С. 134-137

Держатели документа:
Russian Acad Sci, Inst Phys Mat Sci, Siberian Branch, Ulan Ude 670047, Russia.
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Semenova, I. A.; Churilov, G. N.; Чурилов, Григорий Николаевич; Russian Foundation for Basic Research [12-08-98000-r_sibir'_a]; program of basic research of the Siberian Branch, Russian Academy of Sciences [II.9.3.1]
}
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19.

Sadreev, A. F.
Phase transitions in a system of CH3(CH2)(n-1) self-assembled on the Au(111) crystal surface / A. F. Sadreev, Y. V. Sukhinin // Phys. Rev. B. - 1996. - Vol. 54, Is. 24. - P. 17966-17973, DOI 10.1103/PhysRevB.54.17966. - Cited References: 44 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
ORGANIZED MOLECULAR ASSEMBLIES
   ALKYL THIOL MONOLAYERS
   STRUCTURAL CHARACTERIZATION
   DYNAMICS SIMULATION
   DEVILS STAIRCASE
   GOLD SURFACES
   FILMS
   MODEL
   CHAIN
   DIFFRACTION
Аннотация: The n-alkanethiols CH3(CH2)(n-1) on the crystal surface of gold (111) are considered. Couplings between atoms (C, H) of the n-alkanethiols were modelled by the Morse potential, and couplings between the n-alkanethiols and the crystal surface were modelled by 12-3 potentials. Because of symmetry Z(2) of the n-alkanethiols in a tilted state, the system can be reduced to the Ising model on the triangular lattice, the phase diagram of which can be explicitly considered. Depending on the choice of the coupling parameters, the ordered state of the system may form an incommensurate or 2X1 superstructure. The temperatures of the phase transition, equilibrium tilting, twisting, and azimuthal angles are found to depend on the Morse coupling constants.

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Доп.точки доступа:
Sukhinin, Y. V.; Садреев, Алмаз Фаттахович
}
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20.

Room temperature spin accumulation effect in boron doped Si created by epitaxial Fe3Si/p-Si Schottky contact / A. S. Tarasov [et al.] // J. Surf. Ingestig. - 2018. - Vol. 12, Is. 4. - P. 633-637, DOI 10.1134/S1027451018040171. - Cited References: 33. - 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 nos. 16-42-243046, 16-42-242036 and 16-42-243060. . - ISSN 1027-4510. - ISSN 1819-7094

РУБ Physics, Condensed Matter
Рубрики:
HYBRID STRUCTURES
   CURRENT-VOLTAGE
   FILMS
   TRANSPORT
   SILICON
Кл.слова (ненормированные):
spintronics -- hybrid structures -- Schottky diode -- Hanle effect -- spin -- accumulation
Аннотация: To study spin-dependent transport phenomena in Fe3Si/p-Si structures we fabricated 3-terminal planar microdevices and metal/semiconductor diode using conventional photolithography and wet chemical etching. IaEuro'V curve of prepared diode demonstrates rectifying behavior, which indicates the presence of Schottky barrier in Fe3Si/p-Si interface. Calculated Schottky barrier height is 0.57 eV, which can provide necessary conditions for spin accumulation in p-Si. Indeed, in 3-terminal planar device with Fe3Si/p-Si Schottky contact Hanle effect was observed. By the analysis of Hanle curves spin lifetime spin diffusion length in p-Si were calculated, which are 145 ps and 405 nm, respectively (at T = 300 K). Spin lifetime strongly depends on temperature which can be related to the fact that spin-dependent transport in our device is realized via the surface states. This gives a perspective of creation of spintronic devices based on metal/semiconductor structure without need for forming tunnel or Schottky tunnel contact.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Bondarev, I. A.; Бондарев, Илья Александрович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, I. A.; Тарасов, Иван Анатольевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [16-42-243046, 16-42-242036, 16-42-243060]
}
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