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Multiterminal nanowire junctions of silicon: A theoretical prediction of atomic structure and electronic properties [Text] / P. V. Avramov [et al.] // Nano Letters. - 2007. - Т. 7, № 7. - С. 2063-2067, DOI 10.1021/nl070973y . - ISSN 1530-6984. - ISSN 1530-6992

ГРНТИ

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Держатели документа:
Ames National Laboratory,Department of Chemistry,Iowa State University
L. V. Kirensky Institute of Physics,SB RAS
N M. Emanuel Institute of Biochemical Physics,RAS
Takasaki Branch,Advanced Science Research Center,Japan Atomic Energy Agency
Доп.точки доступа:
Avramov, P. V.; Аврамов Павел Вениаминович; Sorokin, P. B. ; Chernozatonskii, L. A. ; Gordon, M. S.
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    Atypical quantum confinement effect in silicon nanowires / P. B. Sorokin [et al.] // J. Phys. Chem. A. - 2008. - Vol. 112, Is. 40. - P9955-9964, DOI 10.1021/jp805069b. - Cited Reference Count: 25. - Гранты: This work was in part partially supported by a CREST (Core Research for Evolutional Science and Technology) grant in the Area of High Performance Computing for Multiscale and Multiphysics Phenomena from the Japan Science and Technology Agency (JST) as well as by Russian Fund of Basic Researches (grant 08-02-01096) (L.A.C.). P.V.A. acknowledges the encouragement of Dr. Keiji Morokuma, Research Leader at Fukui Institute for Fundamental Chemistry. The geometry of all presented structures was visualized by ChemCraft software.SUP25/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. - Финансирующая организация: Japan Science and Technology Agency (JST); Russian Fund of Basic Researches [08-02-01096] . - OCT 9. - ISSN 1089-5639
Рубрики:
ELECTRONIC-STRUCTURE
   OPTICAL-PROPERTIES
   SI
   DENSITY
   WIRES
   EXCHANGE
   ATOMS
   DOTS
Кл.слова (ненормированные):
Electric wire -- Energy gap -- Gallium alloys -- Mathematical models -- Nanostructured materials -- Nanostructures -- Nanowires -- Quantum confinement -- Quantum electronics -- Semiconductor quantum dots -- Silicon -- Ami methods -- Band gaps -- Blue shifts -- Dinger equations -- Linear junctions -- Monotonic decreases -- Quantum confinement effects -- Quantum dots -- Semiempirical -- Silicon nanowires -- System sizes -- Theoretical models -- Nanocrystalline silicon -- nanowire -- quantum dot -- silicon -- article -- chemistry -- electron -- quantum theory -- Electrons -- Nanowires -- Quantum Dots -- Quantum Theory -- Silicon
Аннотация: The quantum confinement effect (QCE) of linear junctions of silicon icosahedral quantum dots (IQD) and pentagonal nanowires (PNW) was studied using DFT and semiempirical AM1 methods. The formation of complex IQD/PNW structures leads to the localization of the HOMO and LUMO on different parts of the system and to a pronounced blue shift of the band gap; the typical QCE with a monotonic decrease of the band gap upon the system size breaks down. A simple one-electron one-dimensional Schrodinger equation model is proposed for the description and explanation of the unconventional quantum confinement behavior of silicon IQD/PNW systems. On the basis of the theoretical models, the experimentally discovered deviations from the typical QCE for nanocrystalline silicon are explained.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
LV Kirenskii Inst Phys, SB RAS, Krasnoyarsk 660036, Russia
RAS, N M Emanuel Inst Biochem Phys, Moscow 119334, Russia
Kyoto Univ, Fukui Inst Fundamental Chem, Kyoto 6068103, Japan
Natl Inst Adv Ind Sci & Technol, Res Inst Computat Sci, Tsukuba, Ibaraki 3058568, Japan

Доп.точки доступа:
Sorokin, P. B.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Avramov, P. V.; Chernozatonskii, L.A.; Fedorov, D.G.
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    Theoretical study of elastic properties of SiC nanowires of different shapes / P. B. Sorokin [et al.] // J. Nanosci. Nanotechnol. - 2010. - Vol. 10, Is. 8. - P. 4992-4997, DOI 10.1166/jnn.2010.2424. - Cited Reference Count: 49. - Гранты: This work was partially supported by JSPS-RFBR collaborative grant 09-02-92107. The electronic structure calculations have been performed on the Joint Supercomputer Centre of the Russian Academy of Sciences. One of the authors (Pavel V. Avramov) acknowledges the encouragement of Professor K. Morokuma, research leader of Fukui Institute, Kyoto University and Dr. Alister Page for kind help and support. The geometry of all structures was visualized by ChemCraft software.SUP53/SUP. - Финансирующая организация: JSPS-RFBR [09-02-92107]; Fukui Institute, Kyoto University . - ISSN 1533-4880. - ISSN 1533-4899
Рубрики:
INITIO MOLECULAR-DYNAMICS
   SILICON-CARBIDE
   THERMAL-STABILITY
   CARBON NANOTUBES
   NANORODS
   GROWTH
   SURFACES
   NANOCRYSTALS
   POTENTIALS
   CONSTANTS
Кл.слова (ненормированные):
Silicon Carbide -- Nanowires -- Elastic Properties -- DFT -- Molecular Mechanics -- DFT -- Elastic properties -- Molecular mechanics -- Nanowires -- Silicon carbide -- Atomic structure -- Cubic phasis -- DFT -- Effective size -- Elastic properties -- SiC nanowire -- Silicon carbide nanowires -- Theoretical study -- Wire geometries -- Young's Modulus -- Crystal atomic structure -- Density functional theory -- Elastic moduli -- Elasticity -- Molecular mechanics -- Nanowires -- Wire -- Silicon carbide
Аннотация: The atomic structure and elastic properties of silicon carbide nanowires of different shapes and effective sizes were studied using density functional theory and classical molecular mechanics. Upon surface relaxation, surface reconstruction led to the splitting of the wire geometry, forming both hexagonal (surface) and cubic phases (bulk). The behavior of the pristine SiC wires under compression and stretching was studied and Young's moduli were obtained. For Y-shaped SiC nanowires the effective Young's moduli and behavior in inelastic regime were elucidated.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Sorokin, P.B.; Kvashnin, D.G.; Kvashnin, A.G.; Avramov, P. V.; Аврамов, Павел Вениаминович; Chernozatonskii, L.A.
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    Theoretical Study of Atomic Structure and Elastic Properties of Branched Silicon Nanowires / P. B. Sorokin [et al.] // ACS Nano. - 2010. - Vol. 4, Is. 5. - P. 2784-2790, DOI 10.1021/nn9018027. - Cited Reference Count: 28. - Гранты: P.B.S. acknowledges partial support by the National Science Foundation grant CMMI-0708096, NIRT. L.A.C. was supported by the Russian Academy of Sciences, program No. 21. P.V.A. and P.B.S. also acknowledge the collaborative RFBR-JSPS Grant No. 09-02-92107-Phi. All calculations have been performed on the Joint Supercomputer Center of the Russian Academy of Sciences. The geometry of all presented structures was visualized by ChemCraft software. - Финансирующая организация: National Science Foundation [CMMI-0708096]; NIRT; Russian Academy of Sciences [21]; RFBR-JSPS [09-02-92107-Phi] . - MAY. - ISSN 1936-0851
Рубрики:
ELECTRONIC-PROPERTIES
   BUILDING-BLOCKS
   NANOCRYSTALS
Кл.слова (ненормированные):
silicon nanowires -- elastic properties -- molecular mechanics -- Tersoff potential -- Elastic properties -- Molecular mechanics -- Silicon nanowires -- Tersoff potential -- Atomic structure -- Branch length -- Elastic properties -- Interatomic potential -- Silicon Nanowires -- Tersoff potential -- Theoretical study -- Young modulus -- Carbon nanotubes -- Elasticity -- Molecular mechanics -- Nanowires -- Stiffness -- Crystal atomic structure -- nanowire -- silicon -- article -- chemical structure -- chemistry -- conformation -- elasticity -- mechanical stress -- Young modulus -- Elastic Modulus -- Elasticity -- Models, Molecular -- Molecular Conformation -- Nanowires -- Silicon -- Stress, Mechanical
Аннотация: The atomic structure and elastic properties of Y-shaped silicon nanowires of "fork"- and "bough"-types were theoretically studied, and effective Young moduli were calculated using Tersoff interatomic potential. The oscillation of fork Y-type branched nanowires with various branch lengths and diameters was studied. In the final stages of the bending, the formation of new bonds between different parts of the wires was observed. It was found that the stiffness of the nanowires is comparable with the stiffness of Y-shaped carbon nanotubes.

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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Sorokin, P.B.; Kvashnin, A.G.; Kvashnin, D.G.; Filicheva, J.A.; Avramov, P. V.; Аврамов, Павел Вениаминович; Chernozatonskii, L.A.; Fedorov, A. S.; Федоров, Александр Семенович
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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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High performance hybrid rGO/ Ag quasi-periodic mesh transparent electrodes for flexible electrochromic devices / A. S. Voronin [et al.] // Appl. Surf. Sci. - 2016. - Vol. 364. - P. 931–937, DOI 10.1016/j.apsusc.2015.12.182. - Cited References: 31 . - ISSN 0169-4332. - ISSN 1873-5584

РУБ Chemistry, Physical + Materials Science, Coatings & Films + Physics, Applied + Physics, Condensed Matter
Рубрики:
NANOWIRE NETWORKS
   GRAPHENE FILMS
   OXIDE
   OXIDATION
   HEATERS
Кл.слова (ненормированные):
Quasi-periodic mesh transparent electrode self-organized template -- Reduced graphene oxide (rGO) -- Flexible electrochromic device
Аннотация: A possibility of creating a stable hybrid coating based on the hybrid of a reduced graphene oxide (rGO)/ Ag quasi-periodic mesh (q-mesh) coating has been demonstrated. The main advantages of the suggested method are the low cost of the processes and the technology scalability. The Ag q-mesh coating is formed by means of the magnetron sputtering of silver on the original template obtained as a result of quasi-periodic cracking of a silica film. The protective rGO film is formed by low temperature reduction of a graphene oxide (GO) film, applied by the spray-deposition in the solution of NaBH4. The coatings have low sheet resistance (12.3 Ω/sq) and high optical transparency (82.2%). The hybrid coating are characterized by high chemical stability, as well as they show high stability to deformation impacts. High performance of the hybrid coatings as electrodes in the sandwich-system «electrode – electrochromic composition – electrode» has been demonstrated. The hybrid electrodes allow the electrochromic sandwich to function without any visible degradation for a long time, while an unprotected mesh electrode does not allow performing even a single switching cycle.

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Доп.точки доступа:
Voronin, A. S.; Ivanchenko, F. S.; Simunin, M. M.; Shiverskiy, A. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Nemtsev, I. V.; Fadeev, Y. V.; Karpova, D. V.; Khartov, S. V.
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    Pinning force scaling of electrospun Bi-2212 nanowire networks / M. R. Koblischka [et al.] // Solid State Commun. - 2017. - Vol. 264. - P. 16-18, DOI 10.1016/j.ssc.2017.07.002. - Cited References: 24. - This work is supported by the DFG project Ko2323/8, which is gratefully acknowledged . - ISSN 0038-1098
   Перевод заглавия: Скейлинг силы пиннинга сетей нанопроволок Bi-2212, полученных электропрядением
Кл.слова (ненормированные):
Electrospinning -- Bi-2212 superconductors -- Flux pinning -- Pinning force scaling
Аннотация: Flux pinning forces were determined on different network samples of superconducting Bi2Sr2CaCu2O8 (Bi-2212) nanowires prepared by the electrospinning technique. We employed magnetization data determined by SQUID magnetometry in a wide temperature range 10 K
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Держатели документа:
Institute of Experimental Physics, Saarland University, Campus C 6 3, Saarbrucken, Germany
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, Russian Federation
Institut Jean Lamour, UMR CNRS-Universite de Lorraine, Vand?vre-les-Nancy, France

Доп.точки доступа:
Koblischka, M. R.; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Chang, C.; Hauet, T.; Hartmann, U.
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    Ivanov, A. A.
    Self-organization of the magnetization in ferromagnetic nanowires / A. A. Ivanov, V. A. Orlov // J. Magn. Magn. Mater. - 2017. - Vol. 440. - P. 217-220, DOI 10.1016/j.jmmm.2016.12.053. - Cited References:21. - This study was supported by RFBR, Project no. 14-02-00238-a . - ISSN 0304-8853. - ISSN 1873-4766
   Перевод заглавия: Самоорганизация намагниченности в ферромагнитных нанопроволоках

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SYSTEM
ANISOTROPY
Кл.слова (ненормированные):
Domain wall -- Nanowire -- Magnetic inhomogeneities -- Stochastic domains
Аннотация: In this work we demonstrate the occurrence of the characteristic spatial scale in the distribution of magnetization unrelated to the domain wall or crystallite size with using computer simulation of magnetization in a polycrystalline ferromagnetic nanowire. This is the stochastic domain size. We show that this length is included in the spectral density of the pinning force of domain wall on inhomogeneities of the crystallographic anisotropy. The constant and distribution of easy axes directions of the effective anisotropy of stochastic domain, are analytically calculated.

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Доп.точки доступа:
Orlov, V. A.; Орлов, Виталий Александрович; RFBR [14-02-00238-a]; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk)"Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
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    Val'kov, V. V.
    Cascade of quantum transitions and magnetocaloric anomalies in an open nanowire / V. V. Val'kov, V. A. Mitskan, M. S. Shustin // JETP Letters. - 2017. - Vol. 106, Is. 12. - P. 798-804, DOI 10.1134/S0021364017240134. - Cited References:32. - We are grateful to A.D. Fedoseev and A.O. Zlotnikov for the useful comments and discussions of the results. This work was supported jointly by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Territorial Foundation for the Support of R&D Activities (project nos. 16-42-243056r, 16-42-243057, and 17-42-240441), as well as by the Russian Foundation for Basic Research (project no. 16-02-00073). . - ISSN 0021-3640. - ISSN 1090-6487
Рубрики:
MAJORANA FERMIONS
   ZERO MODES
   SUPERCONDUCTOR
Аннотация: A sequence of magnetocaloric anomalies occurring with the change in a magnetic field H is predicted for an open nanowire with the Rashba spin–orbit coupling and the induced superconducting pairing potential. The nature of such anomalies is due to the cascade of quantum transitions related to the successive changes in the fermion parity of the nanowire ground state with the growth of the magnetic field. It is shown that the critical Hc values fall within the parameter range corresponding to the nontrivial values of the Z2 topological invariant of the corresponding 1D band Hamiltonian characteristic of the D symmetry class. It is demonstrated that such features in the behavior of the open nanowire are retained even in the presence of Coulomb interactions.

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Публикация на русском языке Вальков, Валерий Владимирович. Каскад квантовых переходов и магнетокалорические аномалии в открытой нанопроволоке [Текст] / В. В. Вальков, В. А. Мицкан, М. С. Шустин // Письма в Журн. эксперим. и теор. физ. - 2017. - Т. 106 Вып. 12. - С. 762-768

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

Доп.точки доступа:
Mitskan, V. A.; Мицкан, Виталий Александрович; Shustin, M. S.; Шустин, Максим Сергеевич; Вальков, Валерий Владимирович; Russian Foundation for Basic Research; Krasnoyarsk Territorial Foundation of RD Activities [16-42-243056r, 16-42-243057, 17-42-240441]; Russian Foundation for Basic Research [16-02-00073]; Government of the Krasnoyarsk Territory
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10.

    Silicon nanowire field-effect transistors. Technology and characterization / A. V. Lukyanenko [et al.] // Fourth Asian school-conference on physics and technology of nanostructured materials (ASCO-NANOMAT 2018) : proceedings. - Vladivostok : Dalnauka, 2018. - P. 111
   Перевод заглавия: Полевые транзисторы на базе кремниевых нанопроволок. Технология и характеризация

Материалы конференции

Доп.точки доступа:
Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, A. S.; Тарасов, Антон Сергеевич; Bondarev, I. A.; Бондарев, Илья Александрович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Smolyarova, T. E.; Смолярова, Татьяна Евгеньевна; Matsynin, A. A.; Мацынин, Алексей Александрович; Zelenov, F. V.; Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Asian School-Conference on Physics and Technology of Nanostructured Materials(4 ; 2018 ; Sept. ; 23-28 ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(4 ; 2018 ; сент. ; 23-28 ; Владивосток); Институт автоматики и процессов управления ДВО РАН; Дальневосточный федеральный университет
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