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Synthesis of 6H-SiC single-crystal nanowires in a flow of carbon-silicon high-frequency arc plasma / G. A. Glushchenko [et al.] // Phys. Solid State. - 2014. - Vol. 56, Is. 10. - P. 2107-2111, DOI 10.1134/S106378341410014X. - Cited References: 34. - This study was supported by the National Academy of Sciences of Belarus and the Siberian Branch of the Russian Academy of Sciences within the framework of the Interdisciplinary Integration project no. 24. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
LARGE-SCALE SYNTHESIS
   BETA-SIC NANOWIRES
   FIELD-EMISSION PROPERTIES
   CARBIDE NANOWIRES
   NANORODS
   GROWTH
   NANOSTRUCTURES
   FULLERENES
   DISCHARGE
Аннотация: Silicon carbide 6H-SiC nanoparticles and nanowires were obtained in carbon-silicon high-frequency arc plasma plasma in a helium atmosphere at a pressure of 0.1-0.6 MPa. It was shown that 6H-SiC nanowires grow from the arc plasma, as well as from the vapor, according to the known mechanism of vapor-solid condensation on a cold surface covered with single-crystal silicon carbide nuclei. The content of silicon carbide nanowires in the condensate reached 60 wt %. The obtained single-crystal silicon 6H-SiC nanowires had the diameter of 15-18 nm and length of 200-600 nm.

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Публикация на русском языке Синтез монокристаллических нанопроволок 6H-SiC в потоке углеродно-кремниевой плазмы высокочастотной дуги [Текст] / Г. А. Глущенко [и др.] // Физ. тверд. тела. - 2014. - Т. 56 Вып. 10. - С. 2039-2043

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

Доп.точки доступа:
Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Leonova, T. A.; Kolonenko, A. L.; Колоненко, Андрей Леонидович; Dudnik, A. I.; Дудник, Александр Иванович; Osipova, I. V.; Осипова, Ирина Владимировна; Vnukova, N. G.; Внукова, Наталья Григорьевна; Nemtsev, I. V.; Немцев, Иван Васильевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Churilov, G. N.; Чурилов, Григорий Николаевич
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    Conversion of magnetic anisotropy in electrodeposited Co-Ni alloy nanowires / A. S. Samardak [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 94-99, DOI 10.1010/j.jmmm.2014.10.047. - Cited References:24. - This work was supported in part by the Russian Ministry of Education and Science and Far Eastern Federal University. M.N acknowledges the student financial support of Iranian Nanotechnology Initiative Council. . - ISSN 0304. - ISSN 1873-4766
   Перевод заглавия: Конверсия магнитной анизотропии в электроосажденных нанонитях сплава CoNi

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
COBALT NANOWIRES
ARRAYS
Кл.слова (ненормированные):
Coercive force -- Magnetic anisotropy -- Magnetic hysteresis -- Binary alloy -- nanowires -- Alumina template -- Electrodeposition
Аннотация: In this paper, the influence of alternating current (ac) electrodeposition frequency and waveform is reported on chemical composition, microstructure and consequently magnetic properties of Co-Ni binary alloy nanowire arrays embedded in an alumina template. For sinusoidal and square electrodeposition waveforms the easy axis of magnetization rotates from being parallel to perpendicular orientation to nanowire long axis as the deposition frequency increases from 200 to 800 Hz. The reason for the drastic change of magnetic anisotropy in nanowires is attributed to the increase of cobalt content and the crystal structure phase transformation from fcc-hcp mixture at high Ni content to imp at high Co content. We explain the conversion of magnetic behavior of nanowire arrays in terms of a competition between the shape and magnetocrystalline anisotropies. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok, Russia.
Sahand Univ Technol, Fac Mat Engn, Tabriz, Iran.
SB Russian Acad Sci, Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Samardak, A. S.; Nasirpouri, F.; Nadi, M.; Sukovatitsina, E. V.; Ognev, A. V.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Russian Ministry of Education and Science; Far Eastern Federal University; Iranian Nanotechnology Initiative Council
}
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    Electrodeposited Co93.2P6.8 nanowire arrays with core-shell microstructure and perpendicular magnetic anisotropy / F. Nasirpouri [et al.] // J. Appl. Phys. - 2015. - Vol. 117, Is. 17. - Ст. 17E715, DOI 10.1063/1.4919124. - Cited References:30. - Alexander Samardak and his colleagues acknowledge the support of the Russian Ministry of Education and Science under the state task 559 and Far Eastern Federal University. . - ISSN 0021. - ISSN 1089-7550
   Перевод заглавия: Электроосажденные массивы нанонитей Co93.2P6.8 со структурой ядро-оболочка и перпендикулярной магнитной анизотропией

РУБ Physics, Applied
Рубрики:
FERROMAGNETIC NANOWIRES
   STRUCTURAL-PROPERTIES
   NI
   ALUMINA
   FE
Аннотация: We demonstrate the formation of an unusual core-shell microstructure in Co93.2P6.8 nanowires electrodeposited by alternating current (ac) in an alumina template. By means of transmission electron microscopy, it is shown that the coaxial-like nanowires contain amorphous and crystalline phases. Analysis of the magnetization data for Co-P alloy nanowires indicates that a ferromagnetic core is surrounded by a weakly ferromagnetic or non-magnetic phase, depending on the phosphor content. The nanowire arrays exhibit an easy axis of magnetization parallel to the wire axis. For this peculiar composition and structure, the coercivity values are 2380 ± 50 and 1260 ± 35 Oe, parallel and perpendicular to the plane directions of magnetization, respectively. This effect is attributed to the core-shell structure making the properties and applications of these nanowires similar to pure cobalt nanowires with an improved perpendicular anisotropy.

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Держатели документа:
Sahand Univ Technol, Fac Mat Engn, Tabriz 513351996, Iran
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok, Russia
SB Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England

Доп.точки доступа:
Nasirpouri, F.; Peighambari, S. M.; Samardak, A. S.; Ognev, A. V.; Sukovatitsina, E. V.; Modin, E. B.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Bending, S. J.; Russian Ministry of Education and Science [559]; Far Eastern Federal University
}
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Magnetic anisotropy of electrodeposited CoP nanowires with coaxial core-shell structure / A. S. Samardak [et al.] // Moscow Int. Symp. on Magnet. (MISM-2014) : 29 June - 3 July 2014 : вook of abstracts. - 2014. - Ст. 30OR-B-7. - P. 88 . - ISBN 978-5-91978-025-0

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Доп.точки доступа:
Samardak, A. S.; Ognev, A. V.; Sukovatitsina, E. V.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Bending, S. J.; Peighambari, S. M.; Nasirpouri, F.; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
}
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The influence of frequency and waveform on the structure and magnetic properties of cobalt nanowires produced by AC Electrodeposition / F. Nasirpouri [и др.] // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P. 131 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Nasirpouri, F.; Peighambari, S. M.; Sukovatitsina, E. V.; Samardak, A. S.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
}
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Formation of phases and microstructure of ZnO and TiO2 based ceramic / G. M. Zeer [et al.] // Glass Ceram. - 2015. - Vol. 72, Is. 7-8. - P. 242-245, DOI 10.1007/s10717-015-9765-8. - Cited References:15. - This work was supported in part by the Russian Foundation for Fundamental Research (Grant No. 13-08-01003-a) and the Ministry of Education of the Russian Federation (as part of scientific research tasked by the state to the Siberian Federal University for 2014). . - ISSN 0361-7610. - ISSN 1573-8515

РУБ Materials Science, Ceramics
Рубрики:
GLASS ENAMEL COATINGS
NANOWIRES
Кл.слова (ненормированные):
electrocontact materials -- metal oxides -- zinc titanate -- nanopowders -- ceramic -- microstructure -- phase formation
Аннотация: Nanopowders of zinc and titanium oxides were used to obtain samples of Zn2TiO4-ZnO ceramic. Phase formation as well as the microstructure and elemental composition of the phases formed were studied by means of electron microscopy. The density and porosity were calculated, and the sizes of grains and pores in the ceramic were determined. The temperature at the zinc titanate forms was determined. It was shown that it corresponds to the sintering temperature of electrocontact materials with this composition. It is proposed that zinc titanate and oxide be used as arc-suppressing and dispersion-hardening additional additives in copper-based electrocontact materials.

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Публикация на русском языке Формирование фаз и микроструктуры керамики на основе ZnO и TiO2 [Текст] / Г. М. Зеер [и др.] // Стекло и керамика. - 2015. - № 7. - С. 16-19

Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Zeer, G. M.; Zelenkova, E. G.; Nikolaeva, N. S.; Zharkov, S. M.; Жарков, Сергей Михайлович; Pochekutov, S. I.; Ledyaeva, O. N.; Sartpaeva, A. B.; Mikheev, A. A.; Russian Foundation for Fundamental Research [13-08-01003-a]; Ministry of Education of the Russian Federation
}
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Growth of α-FeSi2 nanocrystals on si(100) with Au catalyst / I. A. Tarasov [et al.] // Mater. Lett. - 2016. - Vol. 168. - P. 90-94, DOI 10.1016/j.matlet.2016.01.033. - Cited References: 25. - The work was supported by the Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 2886.2014.2), The Russian Foundation for Basic Research (RFBR) (Grants no. 13-02-01265), State Contract no. 02.G25.31.0043 and State Task no. 16.663.2014К). . - ISSN 0167-577X

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
EPITAXIAL-GROWTH
   LOW-TEMPERATURE
   FeSi2
   NANOWIRES
   Si(111)
   FILMS
   Si
Кл.слова (ненормированные):
Nanomaterials -- Molecular beam epitaxy -- α-FeSi2 -- Electrode
Аннотация: Self-organized α-FeSi2 nanocrystals on (100) silicon substrate were synthesized by molecular beam epitaxy with Au catalyst. The microstructure and basic orientation relationship between the silicide nanocrystals and silicon substrate were analyzed in detail. α-FeSi2 nanocrystals appeared to be inclined trapezoid and rectangular nanoplates, polyhedral nanobars and pyramid-like ones, aligned along 011 directions on (100) silicon substrate with the length up to 1.5 μm, width ranging between 80 and 500 nm and thickness from 30 to 170 nm. As has been proposed metallic iron silicide may be used for manufacturing electric contacts on silicon. A current-voltage characteristic of the structure was measured at room temperature and showed good linearity.

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Держатели документа:
Siberian State Aerospace University, 31 Krasnoyarsky Rabochiy Av., Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Akademgorodok 50, bld. 38, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, Serysheva str. 47, Khabarovsk, Russian Federation
Krasnoyarsk Scientific Centre, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tarasov, I. A.; Тарасов, Иван Анатольевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Nemtsev, I. V.; Немцев, Иван Васильевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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Quantum dots embedded into silicon nanowires effectively partition electron confinement / P. V. Avramov [et al.] // J. Appl. Phys. - 2008. - Vol. 104, Is. 5. - Ст. 54305, DOI 10.1063/1.2973464. - Cited References: 22. - This work was, in part, partially supported by a Core Research for Evolutional Science and Technology (CREST) grant in the area of high performance computing for multi-scale and multiphysics phenomena from the Japan Science and Technology Agency (JST) as well as by the Russian Fund of Basic Researches (Grant No. 05-02-17443) (L.A.C.). One of the authors (P.V.A.) acknowledges the encouragement of Dr. Keiji Morokuma, Research Leader at Fukui Institute. The geometry of all presented structures was visualized by ChemCraft software. SUP23/SUP L.A.C. acknowledges I. V. Stankevich for help and fruitful discussions. P.B.S. is grateful to the Joint Supercomputer Center of the Russian Academy of Sciences for access to a cluster computer for quantum-chemical calculations. . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
OPTICAL-PROPERTIES
   POROUS SILICON
   WIRES
   PREDICTION
   GROWTH
Кл.слова (ненормированные):
Electric currents -- Electric wire -- Electronic states -- Electronic structure -- Nanostructured materials -- Nanostructures -- Nanowires -- Nonmetals -- Optical waveguides -- Plasma confinement -- Quantum confinement -- Quantum electronics -- Semiconducting silicon compounds -- Silicon -- electronic state -- Band gaps -- Electron confinements -- Electronic-structure calculations -- Embedded structures -- Quantum confinement effect -- Quantum dots -- Semi-empirical methods -- Silicon nanowires -- Silicon quantum dots -- Semiconductor quantum dots
Аннотация: Motivated by the experimental discovery of branched silicon nanowires, we performed theoretical electronic structure calculations of icosahedral silicon quantum dots embedded into pentagonal silicon nanowires. Using the semiempirical method, we studied the quantum confinement effect in the fully optimized embedded structures. It was found that (a) the band gaps of the embedded structures are closely related to the linear sizes of the longest constituting part rather than to the total linear dimension and (b) the discovered atypical quantum confinement with a plateau and a maximum can be attributed to the substantial interactions of near Fermi level electronic states of the quantum dots and nanowire segments. (c) 2008 American Institute of Physics.

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Держатели документа:
[Avramov, Pavel V.] Kyoto Univ, Fukui Inst Fundamental Chem, Kyoto 6068103, Japan
[Fedorov, Dmitri G.] Natl Inst Adv Ind Sci & Technol, Res Inst Computat Sci, Tsukuba, Ibaraki 3058568, Japan
[Sorokin, Pavel B.
Ovchinnikov, Sergei G.] LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
[Sorokin, Pavel B.
Ovchinnikov, Sergei G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Sorokin, Pavel B.
Chernozatonskii, Leonid A.] RAS, NM Emanuel Inst Biochem Phys, Moscow 119334, Russia
ИФ СО РАН
Fukui Institute for Fundamental Chemistry, Kyoto University, 34-3 Takano Nishihiraki, Sakyo, Kyoto 606-8103, Japan
Research Institute for Computational Science, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8568, Japan
L.V. Kirensky Institute of Physics, SB, RAS, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodny Av., 660041 Krasnoyarsk, Russian Federation
N.M. Emanuel Institute of Biochemical Physics, RAS, 119334 Moscow, Russian Federation

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Fedorov, D. G.; Sorokin, P. B.; Chernozatonskii, L. A.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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Density functional study of 110 -oriented thin silicon nanowires / P. B. Sorokin [et al.] // Phys. Rev. B. - 2008. - Vol. 77, Is. 23. - Ст. 235417, DOI 10.1103/PhysRevB.77.235417. - Cited References: 38 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
ELECTRONIC-PROPERTIES
   MOLECULAR-DYNAMICS
   BUILDING-BLOCKS
   QUANTUM WIRES
   GROWTH
Аннотация: The electronic band structure and energetic stability of two types of 110 oriented silicon nanowires terminated by hydrogen atoms are studied using the density functional theory. The nanowires truncated from the bulk silicon with [100] and [111] facets and the pentagonal star-shaped nanowires with [111] facets have the lowest cohesive energies, whereas the hexagonal star-shaped ones are the highest in energy. The star-shaped nanowires have the lowest band gaps with direct and indirect transitions for pentagonal and hexagonal types, respectively. Based on the theoretical results, an interpretation of existing experimental data has been provided.

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Держатели документа:
[Sorokin, Pavel B.
Kvashnin, Alexander G.
Kvashnin, Dmitry G.
Ovchinnikov, Sergey G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Sorokin, Pavel B.
Ovchinnikov, Sergey G.
Fedorov, Alexander S.] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Sorokin, Pavel B.] Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
[Avramov, Pavel V.] Kyoto Univ, Fukui Inst Fundamental Chem, Kyoto 6068103, Japan
ИФ СО РАН
Siberian Federal University, 79 Svobodny Avenue, Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 4 Kosigina Street, Moscow 119334, Russian Federation
Fukui Institute for Fundamental Chemistry, Kyoto University, 34-3 Takano Nishihiraki, Sakyo, Kyoto 606-8103, Japan

Доп.точки доступа:
Sorokin, P. B.; Сорокин, Павел Б.; Avramov, P. V.; Аврамов, Павел Вениаминович; Kvashnin, A. G.; Квашнин А. Г.; Kvashnin, D. G.; Квашнин, Дмитрий Геннадиевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Fedorov, A. S.; Федоров, Александр Семенович
}
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10.

Gokhfeld, D. M.
Computation of current-voltage characteristics of the SNS junctions / D. . Gokhfeld // Physica C. - 2007. - Vol. 460: 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (JUL 09-14, 2006, Dresden, GERMANY). - P. 807-808, DOI 10.1016/j.physc.2007.04.078. - Cited References: 8 . - ISSN 0921-4534

РУБ Physics, Applied
Рубрики:
WEAK LINKS
Кл.слова (ненормированные):
weak link -- Andreev scattering -- subharmonic gap structure -- Andreev scattering -- Subharmonic gap structure -- Weak link -- Current voltage characteristics -- Nanowires -- Reflection -- Thermal effects -- Andreev scattering -- Microbridges -- Subharmonic gap structure -- Weak links -- Josephson junction devices
Аннотация: Simplified model for current-voltage characteristics of weak links (superconductor - normal metal - superconductor junctions, micro-bridges, superconducting nanowires) is suggested. It is based on approach which considers Andreev reflections as responsible for the transfer of dissipative current through the metallic Josephson junction. The current-voltage characteristics of tin microbridges at different temperatures were computed. (c) 2007 Elsevier B.V. All rights reserved.

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Держатели документа:
LV Kirenskii Inst Phys, SD RAS, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute, Physics SD RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Гохфельд, Денис Михайлович
}
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