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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aver'yanov E. M.
Заглавие : Orientational order and evolution of the properties of biomolecules in anisotropic media
Место публикации : JETP Letters. - 2012. - Vol. 95, Is. 1. - P.51-54. - ISSN 0021-3640, DOI 10.1134/S002136401201002X
Примечания : Cited References: 18
Предметные рубрики: OPTICAL-PROPERTIES
FILMS
Аннотация: Experimental values of the Lorentz tensor components and the local field of a light wave have been obtained for anisotropic films of polypeptide and DNA. These data indicate an increase in the mean value and anisotropy of the polarizability of biomolecules with respect to an isotropic solution. These changes in the polarizability as an indicator of the response of biomolecules to external actions, as well as their chemical and biological activity, specify the direction of the evolution of the properties of biomolecules in orientationally ordered media.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Avramov P. V., Sakai S., Entani S., Matsumoto Y., Naramoto, Hiroshi
Заглавие : Ab initio LC-DFT study of graphene, multilayer graphenes and graphite
Место публикации : Chem. Phys. Lett.: Elsevier Science BV, 2011. - Vol. 508, Is. 1-3. - P.86-89. - ISSN 0009-2614, DOI 10.1016/j.cplett.2011.04.016
Примечания : Cited References: 32. - This work was supported by JAEA Research fellowship (P.V.A.). P.V.A. also acknowledges JAEA ASRC and Molecular Spintronics Group for hospitality and fruitful collaboration.
Предметные рубрики: DENSITY
NANORIBBONS
PERFORMANCE
FUNCTIONALS
FULLERENE
COBALT
FILMS
Аннотация: Atomic structure of graphene, bi-, tri-, tetralayer graphenes and graphite as well was studied using ab initio HSE, LDA and PBE DFT approaches in periodic boundary conditions. Based on comparison of theoretical results with experimental data the performance of the methods was estimated. It was found that long-range corrected HSE potential is the most reliable DFT approximation to reproduce the atomic structure of weakly bound multilayer graphenes and graphite as well. (C) 2011 Elsevier B. V. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Boyandin A. N., Prudnikova S. V., Filipenko M. L., Khrapov E. A., Vasil'ev A. D., Volova T. G.
Заглавие : Biodegradation of polyhydroxyalkanoates by soil microbial communities of different structures and detection of PHA degrading microorganisms
Место публикации : Appl. Biochem. Microbiol.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 48, Is. 1. - P.28-36. - ISSN 0003-6838, DOI 10.1134/S0003683812010024
Примечания : Cited References: 39. - The work was supported by the project initiated by the Government of the Russian Federation for governmental support of scientific research conducted under the guidance of leading scientists at Russian institutions of higher learning (Agreement No. 11.G34.31.0013) and the Program of Integrated Research of the Presidium of the Siberian Branch of Russian Academy of Sciences (project no. 96).
Предметные рубрики: POLY-BETA-HYDROXYBUTYRATE
CHAIN-LENGTH POLYHYDROXYALKANOATES
DEGRADATION
FILMS
POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)
BACTERIA
ACID
Аннотация: Biodegradation of microbial linear polymers of hydroxyalkanoic acids (polyhydroxyalkanoates, PHAs) by soil microbial communities of different structures has been studied during two field seasons in different weather conditions. This process was shown to be influenced by the polymer chemical composition, temperature, humidity, and the microbial soil component. The PHA degradation was accompanied by a decrease in the polymer molecular weight and an increase in the degree of crystallinity, indicating the preferential destruction of the amorphous phase compared to the crystalline one. The quantity of the true PHA destructors developing at the surface of the polymer samples was lower than the quantity of accompanying bacteria. The dominant PHA degrading microorganisms under the test conditions were identified as bacteria of the genera Variovorax, Stenotrophomonas, Acinetobacter, Pseudomonas, Bacillus, and Xanthomonas and as micromycetes from Penicillium, Paecilomyces, Acremonium, Verticillium, and Zygosporium.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bykov A. A., Popkov S. I., Shaykhutdinov K. A., Sablina K. A.
Заглавие : Relaxation of magnetoresistance of single-crystalline (La0.5Eu0.5)0.7Pb0.3MnO3 in a pulsed magnetic field
Место публикации : Tech. Phys. Lett.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 38, Is. 12. - P.1080-1082. - ISSN 1063-7850, DOI 10.1134/S1063785012120036
Примечания : Cited References: 8
Предметные рубрики: RESISTANCE
FILMS
Аннотация: The magnetoresistance (MR) of substituted lanthanum manganite (La0.5Eu0.5)(0.7)Pb0.3MnO3 has been measured in a pulsed magnetic field with amplitude H = 250 kOe at various temperatures. It is established that temperature dependence of the MR relaxation parameter tau(T) is correlated with temperature dependence of the electric resistance R(T). A mechanism of relaxation is proposed that is related to the relaxation of conducting and dielectric phases in the volume of a sample under the conditions of phase separation. It is shown that the behavior of tau is related to the number of phase boundaries in the volume.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Greben'kova Yu.E., Chernichenko A. V., Velikanov D. A., Turpanov I. A., Mukhamedzhanov E. Kh., Zubavichus Y. V., Cherkov A. K., Patrin G. S.
Заглавие : Ni-Ge nanostructures: Role of the interface and the magnetic properties
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 54, Is. 7. - P.1494-1500. - ISSN 1063-7834
Примечания : Cited References: 17. - This study was supported by the Russian Foundation for Basic Research (project nos. 11-02-00675 and 11-02-00972). The synchrotron investigations were performed on equipment of the Center for Collective Use "Kurchatov Center for Synchrotron Radiation and Nanotechnology" (state contract no. 16.552.11.7003).
Предметные рубрики: FILMS
PHASE
FeGe
Аннотация: The surface morphology and local structure of layers in the Ni-Ge and Ge-Ni-Ge-Ni-Ge films have been investigated. It has been shown that the surface of the films follows the roughnesses of the substrate surface, which have characteristic dimensions of 2–4 nm in height and ∼100 nm in plane. It has been found that an interface with the depth ranging from 9 to 18 nm is formed at the boundaries between the Ni and Ge layers. The data obtained have been used to explain the specific features of the magnetic properties of the studied films, such as the asymmetry of hysteresis loops at low temperatures and the difference between the temperature dependences of the magnetization of the samples for two cooling modes: in a magnetic field and without a magnetic field.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Iskhakov R. S., Stolyar S. V., Chekanova L. A., Chizhik M. V.
Заглавие : 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
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 54, Is. 4. - P.748-753. - ISSN 1063-7834
Примечания : 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."
Предметные 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Parshin A. M., Nazarov V. G., Zyryanov V. Ya., Shabanov V. F.
Заглавие : Magnetic-field-induced structural transition in polymer-dispersed liquid crystals
Место публикации : Mol. Cryst. Liquid Cryst. - 2012. - Vol. 557, Is. 1. - P.50-59. - ISSN 1542-1406, DOI 10.1080/15421406.2011.632237
Примечания : Cited References: 19. - This study was supported by the Presidium of the Russian Academy of Sciences (Project no. 24.1) and the Siberian Branch of the Russian Academy of Sciences (grant no. 43).
Предметные рубрики: FRANK CONSTANTS
ELECTRIC-FIELD
NEMATIC DROPS
ANISOTROPY
ALIGNMENT
FILMS
ORDER
Ключевые слова (''Своб.индексиров.''): anchoring energy--magnetic field--polymer-dispersed liquid crystals--structural transition--temperature fluctuations
Аннотация: The structural transition occurring in droplets of nematic liquid crystals formed in a polymer in magnetic field is studied. The transition is caused by field-driven weakening of tangential surface anchoring and develops following two scenarios: bipolar structure/homogeneous structure or bipolar structure/radial structure. The first scenario suggests a cyclic transition occurring upon thermal fluctuations without field. The structural transition is considered within a model of the biaxial liquid crystal/polymer interface. The model describes tendency of the nematic director to align tangentially on a droplet's surface, normally under the action of flexoelectric polarization, and axially along the magnetic-field-imposed easy orientation axis.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Varnakov S. N., Gomoyunova M. V., Grebenyuk G.S ., Zabluda V. N., Ovchinnikov S. G., Pronin I. I.
Заглавие : Solid-phase synthesis of manganese silicides on the Si(100)2 x 1 surface
Коллективы : 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]
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2014. - Vol. 56, Is. 4. - P.812-815. - ISSN 1063-7834, DOI 10.1134/S1063783414040337. - ISSN 1090-6460
Примечания : 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.
Предметные 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ushakov A. V., Karpov I. V., Lepeshev A. A., Petrov M. I., Fedorov L. Y.
Заглавие : Study of magnetic flux pinning in granular YBa2Cu3O7-y / nanoZrO2 composites
Коллективы : Ministry of Education and Sciences of the Russian Federation [7.4484.2011]
Место публикации : JETP Letters. - 2014. - Vol. 99, Is. 2. - P.99-103. - ISSN 0021-3640, DOI 10.1134/S002136401402009X. - ISSN 1090-6487
Примечания : 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).
Предметные 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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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ohtomo M., Yamauchi Y., Kuzubov A. A., Eliseeva N. S., Avramov P. V., Entani S., Matsumoto Y., Naramoto H., Sakai S.
Заглавие : Contact-induced spin polarization of monolayer hexagonal boron nitride on Ni(111)
Место публикации : Appl. Phys. Lett.: American Institute of Physics, 2014. - Vol. 104, Is. 5. - Ст.51604. - ISSN 0003-6951, DOI 10.1063/1.4863324. - ISSN 1077-3118
Примечания : Cited References: 20. - This study was supported by the Grant-in-Aid for Scientific Research (Grant Nos. 23860067 and 24760033) from the Japan Society for the Promotion of Science.
Предметные рубрики: METASTABLE DEEXCITATION SPECTROSCOPY
METAL-SURFACES
FILMS
TRANSITION
Аннотация: Hexagonal boron nitride (h-BN) is a promising barrier material for graphene spintronics. In this Letter, spin-polarized metastable de-excitation spectroscopy (SPMDS) is employed to study the spin-dependent electronic structure of monolayer h-BN/Ni(111). The extreme surface sensitivity of SPMDS enables us to elucidate a partial filling of the in-gap states of h-BN without any superposition of Ni 3d signals. The in-gap states are shown to have a considerable spin polarization parallel to the majority spin of Ni. The positive spin polarization is attributed to the pi-d hybridization and the effective spin transfer to the nitrogen atoms at the h-BN/Ni(111) interface. (C) 2014 AIP Publishing LLC.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volkov N. V., Tarasov A. S., Smolyakov D. A., Gustaitsev A. O., Balashov V. V., Korobtsov V .V.
Заглавие : The bias-controlled giant magnetoimpedance effect caused by the interface states in a metal-insulator-semiconductor structure with the Schottky barrier
Коллективы : 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.]
Место публикации : Appl. Phys. Lett.: American Institute of Physics, 2014. - Vol. 104, Is. 22. - Ст.222406. - ISSN 0003-6951, DOI 10.1063/1.4881715. - ISSN 1077-3118
Примечания : 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.
Предметные 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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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vetrov S.Ya., Pyatnov M. V., Timofeev I. V.
Заглавие : Photonic defect modes in a cholesteric liquid crystal with a resonant nanocomposite layer and a twist defect
Коллективы : 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
Место публикации : Phys. Rev. E: American Physical Society, 2014. - Vol. 90, Is. 3. - Ст.32505. - ISSN 1539-3755, DOI 10.1103/PhysRevE.90.032505. - ISSN 1550-2376
Примечания : 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.
Предметные 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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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Iskhakov R. S., Komogortsev S. V., Balaev A. D., Gavriliuk A. A.
Заглавие : The manifestations of the two-dimensional magnetic correlations in the nanocrystalline ribbons Fe64CO21B15
Место публикации : J. Magn. Magn. Mater.: Elsevier Science, 2015. - Vol. 374. - P.423-426. - ISSN 0304-8853, DOI 10.1016/j.jmmm.2014.08.078. - ISSN 1873-4766
Примечания : Cited References: 42
Предметные рубрики: GRAIN-SIZE DEPENDENCE
RANDOM ANISOTROPY
AMORPHOUS-ALLOYS
COERCIVE FORCE
FERROMAGNETS
FILMS
SATURATION
Fe
MICROSTRUCTURE
EVOLUTION
Ключевые слова (''Своб.индексиров.''): 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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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Petrov M. I., Balaev D. A., Gokhfeld D. M., Ospishchev S. V., Shaikhutdinov K. A., Aleksandrov K. S.
Заглавие : Applicability of the theory based on Andreev reflection to the description of experimental current-voltage characteristics of polycrystalline HTSC plus normal metal composites
Место публикации : Physica C. - 1999. - Vol. 314, Is. 1-2. - P.51-54. - ISSN 0921-4534, DOI 10.1016/S0921-4534(99)00151-3
Примечания : Cited References: 19
Предметные рубрики: WEAK LINKS
JUNCTIONS
FILMS
Ключевые слова (''Своб.индексиров.''): ybacuo + bapbo3 composites--network of weak s-n-s links--current-voltage characteristic
Аннотация: Measurements of current-voltage characteristics (CVC) of Y3/4Lu1/4Ba2,Cu3O7 + BaPbO3 and Y3/4Lu1/4Ba2Cu3O7 +BaPb0.9Sn0.1O3 composites modelling network of superconducting-normal metal-superconducting (S-N-S) junctions in effectively 'clean' and 'dirty' limits, respectively, have been performed. Essential difference of CVCs for these composites is observed in spite of the identical preparation technique and experimental conditions. It is shown that the theory for S-N-S junctions [R. Kummel, U. Gunsenheimer, R. Nicolsky, Phys. Rev. B, 42 (1990) 3932] well describes the experimental CVCs of the composites in both cases. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Петров, Михаил Иванович, Krivomazov S. N., Khrustalev B. P., Aleksandrov K. S.
Заглавие : A study of the hysteresis property of the current voltage characteristic in high-temperature superconductors
Место публикации : Solid State Commun. - 1992. - Vol. 82, Is. 6. - P.453-456. - ISSN 0038-1098, DOI 10.1016/0038-1098(92)90748-X
Примечания : Cited References: 21
Предметные рубрики: HIGH-TC SUPERCONDUCTORS
YBA2CU3O7-X
FILMS
Аннотация: Temperature measurements of current-voltage characteristics (CVC) of the (Y, Lu)1Ba2Cu3O7-delta high-temperature superconductor have been performed. Analysis of the data shows that CVC of HTSC is mainly formed by two mechanisms: the creep of the Abrikosov vortices inside the crystallites and the Andreev reflection of the carriers within the metal character boundary between the crystallites.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bykova L. E., Myagkov V. G., Tambasov I. A., Bayukov O. A., Zhigalov V. S., Polyakova K. P., Bondarenko G. N., Nemtsev I. V., Polyakov V. V., Patrin G. S., Velikanov D. A.
Заглавие : Solid-state synthesis of the ZnO-Fe3O4 nanocomposite: Structural and magnetic properties
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2015. - Vol. 57, Is. 2. - P.386-390. - ISSN 1063, DOI 10.1134/S1063783415020079. - ISSN 10906460(eISSN)
Примечания : Cited References:27
Предметные 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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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Semenov A. P., Semenova I. A., Churilov G. N.
Заглавие : 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
Коллективы : 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]
Место публикации : Tech. Phys.: MAIK Nauka-Interperiodica / Springer, 2015. - Vol. 60, Is. 4. - P.610-613. - ISSN 1063, DOI 10.1134/S1063784215040258. - ISSN 10906525(eISSN)
Примечания : 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).
Предметные 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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18.

Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Chepkasov I. V., Popov Z. I.
Заглавие : Analysis of thermal effects on copper nanoparticles synthesized from the gas phase
Коллективы : International scientific conference on radiation-thermal effects and processes in inorganic materials , International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials (Nov 03-08, 2014; Tomsk, Russia)
Место публикации : IOP Conf. Ser.: Mater. Sci. Eng. - 2015. - Vol. 81. - Ст.012033. - , DOI 10.1088/1757-899X/81/1/012033
Примечания : Cited References:14
Предметные рубрики: DEVICES
FILMS
Аннотация: Molecular dynamics method using the tight-binding potential to carry out simulation of ultrafast heating of the synthesized particles from the gas phase to a temperature T= 600K and T= 900K, at which the particles were kept about 10 ns. As a result of the simulation revealed that the method of ultrafast heating the particles to high temperatures virtually eliminates the possibility of a clusters of defective education, but as a result of the heat treatment, the some of investigated particles can disconnect (burst) into smaller clusters.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Lemberg K. V., Serzhantov, Alexey M., Leksikov Al. A., Bal'va Y. F., Leksikov An. A.
Заглавие : Magnetically tunable resonant phase shifters for UHF band
Коллективы : Ministry of Education and Science of the Russian Federation [3.528.2014K]
Место публикации : IEEE Trans. Magn.: IEEE-Institute Electrical and Electronics Engineers, 2015. - Vol. 51, Is. 6. - Ст.4003205. - ISSN 0018, DOI 10.1109/TMAG.2014.2368513. - ISSN 19410069(eISSN)
Примечания : Cited References:22. - This work was supported by the Ministry of Education and Science of the Russian Federation, task no. 3.528.2014K.
Предметные рубрики: FERROMAGNETIC-RESONANCE
COMPACT
SPECTROMETER
FERRITE
FILMS
LINE
Ключевые слова (''Своб.индексиров.''): ferrite--microstrip structure--microwave--tunable phase shifter
Аннотация: This paper presents a new type of magnetically tunable phase shifter. The shifter has the structure of microstrip bandpass filter on a substrate containing magnetic material whose magnetic permeability is controlled by magnetic field due to ferromagnetic resonance. The phase shifter's operation is based on the fact that phase shift in a bandpass filter changes with tuning of its central frequency. Two types of devices were designed and fabricated for the UHF band. One of them has a five-layer NiFe film as an active medium and demonstrates a figure of merit of 40°/dB achieved already at 20 Oe of the controlling magnetic field in 10% of the relative operational bandwidth. The second device with YIG ferrite as an active medium gave 360° tunable phase shift in 5% operational bandwidth that corresponds to the figure of merit of 150°/dB (3.1°/dB·Oe).
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lyashchenko S. A., Popov Z. I., Varnakov S. N., Popov E. A., Molokeev M. S., Yakovlev I. A., Kuzubov A. A., Ovchinnikov S. G., Shamirzaev T. S., Latyshev A. V., Saranin A. A.
Заглавие : Analysis of optical and magnetooptical spectra of Fe5Si3 and Fe3Si magnetic silicides using spectral magnetoellipsometry
Коллективы : Ministry of Education and Science of the Russian Federation [16.663.2014K, 14.604.21.0002 (RFMEFI60414X0002), 02.G25.31.0043], Russian Foundation for Basic Research [13-02-01265, 14-02-31309]
Место публикации : J. Exp. Theor. Phys.: MAIK Nauka-Interperiodica / Springer, 2015. - Vol. 120, Is. 5. - P.886-893. - ISSN 1063, DOI 10.1134/S1063776115050155. - ISSN 10906509(eISSN)
Примечания : Cited References:31. - This study was financially supported by the Ministry of Education and Science of the Russian Federation (state assignment no. 16.663.2014K, agreement no. 14.604.21.0002 (RFMEFI60414X0002), and contract no. 02.G25.31.0043), the Program is Support of Leading Scientific Schools (project no. NSh-2886.2014.2), and the Russian Foundation for Basic Research (project nos. 13-02-01265 and 14-02-31309).
Предметные рубрики: INITIO MOLECULAR-DYNAMICS
AUGMENTED-WAVE METHOD
FILMS
ELLIPSOMETRY
Аннотация: The optical, magnetooptical, and magnetic properties of polycrystalline (Fe5Si3/SiO2/Si(100)) and epitaxial Fe3Si/Si(111) films are investigated by spectral magnetoellipsometry. The dispersion of the complex refractive index of Fe5Si3 is measured using multiangle spectral ellipsometry in the range of 250–1000 nm. The dispersion of complex Voigt magnetooptical parameters Q is determined for Fe5Si3 and Fe3Si in the range of 1.6–4.9 eV. The spectral dependence of magnetic circular dichroism for both silicides has revealed a series of resonance peaks. The energies of the detected peaks correspond to interband electron transitions for spin-polarized densities of electron states (DOS) calculated from first principles for bulk Fe5Si3 and Fe3Si crystals.
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