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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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Biosensors based on nanowire field effect transistors with Schottky contacts / T. E. Smolyarova [et al.] // J. Phys.: Conf. Ser. - 2019. - Vol. 1410. - Ст. 012013, DOI 10.1088/1742-6596/1410/1/012013. - Cited References: 29. - This study was supported by the Russian Foundation for Basic Research, project no. 18-32-00035 and supported in part by the Ministry of Education and Science of the Russian Federation and the Siberian Branch of the Russian Academy of Sciences, project II.8.70, and the Presidium of the Russian Academy of Sciences, Fundamental Research Program no. 32 «Nanostructures: Physics, Chemistry, Biology, Basics of Technologies». . - ISSN 1742-6588. - ISSN 1742-6596

РУБ Crystal growth and structural properties of semiconductor materials and nanostructures

Аннотация: A top-down nanofabrication approach was used to obtain silicon nanowires from silicon-on-insulator wafers using direct-write electron beam lithography and plasma-reactive ion etching. Fabricated with designed pattern silicon nanowires are 0.4, 0.8, 2 μm in width and 100 nm in height. The devices can be applied in future medical diagnostic applications as novel biosensors with detection principle based on the changes in electrical characteristics of the silicon nanowires functionalized with thiol-containing molecules.

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Держатели документа:
Krasnoyarsk Science Center SB RAS, Krasnoyarsk 660036, Russia
Kirensky Institute of Physics, Krasnoyarsk 660036, Russia
Siberian Federal University, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Smolyarova, T. E.; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, A. S.; Тарасов, Антон Сергеевич; Shanidze, L. V.; Baron, F. A.; Барон, Филипп Алексеевич; Zelenov, F. V.; Зеленов, Ф. В.; Yakovlev, I. A.; Яковлев, Иван Александрович; Volkov, N. V.; Волков, Никита Валентинович; International School and Conference on optoelectronics, photonics, engineering and nanostructures(6 ; 2019 ; 22-25 April ; Saint Petersburg)
}
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Composition-driven crystal structure transformation and magnetic properties of electrodeposited Co–W alloy nanowires / E. Yoo, A. Y. Samardak, Y. S. Jeon [et al.] // J. Alloys Compd. - 2020. - Vol. 843. - Ст. 155902, DOI 10.1016/j.jallcom.2020.155902. - Cited References: 48. - This study was supported by the Samsung Research Funding & Incubation Center of Samsung Electronics under Project Number SRFC-TA1703-06, and by the Russian Ministry of Science and Higher Education under the state task (0657 -2020-0013), by Act 211 of the Government of the Russian Federation (02.A03.21.0011). . - ISSN 0925-8388
Кл.слова (ненормированные):
Co–W alloy -- Nanowire -- Electrodeposition -- Crystal structure -- Electrodeposition -- First-order reversal curve
Аннотация: The cobalt (Co)–tungsten (W) alloys exhibit unique combinations of mechanical and magnetic properties, biocompatibility, resistance against corrosion, wear, and high-temperature, which makes them desirable materials for various practical applications. A nanoporous template with incorporated Co–W alloy nanowires is a soft magnetic composite, whose dielectric and magnetic properties can be tuned through the host material, pore distribution and size, Co–W composition and crystal structure, and geometry of the nanowires. Here, we report the composition-dependent structural and magnetic properties of Co–W alloy nanowires embedded in alumina templates by electrodeposition. The addition of W transforms cobalt from the crystalline hexagonal-close-packed (hcp) Co to a mixed nanocrystalline/amorphous-like Co(W) solid solution with ferromagnetic behavior and composition similar to that of the weakly magnetic Co3W compound. The combination of the approach to magnetic saturation, anisotropy field distribution method, micromagnetic simulations, and first-order reversal curve diagram identification method elucidates the structure-driven magnetization reversal processes in both individual nanowires and magnetostatically coupled array as a whole.

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Держатели документа:
Department of Materials Science and Engineering, Korea University, Seoul, 02841, South Korea
School of Natural Sciences, Far Eastern Federal University, Vladivostok, 690950, Russian Federation
National Research South Ural State University, Chelyabinsk, 454080, Russian Federation
Institute of Physics, SB Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Yoo, E.; Samardak, A. Y.; Jeon, Y. S.; Samardak, A. S.; Ognev, A. V.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Kim, Y. K.
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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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    Gamov, Alexander.
    Fermion parity of phases supporting multiple Majorana modes in a superconducting nanowire / A. Gamov, A. O. Zlotnikov // J. Sib. Fed. Univ. Math. Phys. - 2023. - Vol. 16, Is. 6. - P. 820-829 ; Журн. СФУ. Матем. и физ. - Cited References: 22. - Gamov A. acknowledges the support of the Theoretical Physics and Mathematics Advancement Foundation "BASIS" . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: Фермионная четность в фазах с множеством майорановских мод в сверхпроводящей нанопроволоке
Кл.слова (ненормированные):
Fermion parity -- superconducting nanowire -- Majorana modes -- topological invarian -- topological phase diagram -- фермионная четность -- сверхпроводящая нанопроволока -- майорановские моды -- топологический инвариан -- топологическая фазовая диаграмма
Аннотация: The fermion parity of the ground state is determined in various topological phases of the semiconducting nanowire under external magnetic field with proximity-induced superconductivity and strong spin-orbit interaction. Electron hopping as well as spin-flip hopping due to spin-orbit coupling and superconducting pairings in the second coordination sphere are taken into account. The connection between the fermion parity and the parity of the BDI topological invariant is shown. The formation of topological phases with three and four pairs of Majorana modes has been demonstrated.
Для полупроводниковой нанопроволоки, помещенной во внешнее магнитное поле, с наведенной сверхпроводимостью и сильным спин-орбитальным взаимодействием определена фермионная четность основного состояния в различных топологических фазах при учете перескоков электронов, включая перескоки с переворотом спина за счет спин-орбитальной связи, и сверхпроводящих спариваний во второй координационной сфере. Показана связь фермионной четности и четности BDI топологического инварианта. Продемонстрировано формирование топологических фаз с тремя и четырьмя парами майорановских мод.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Zlotnikov, A. O.; Злотников, Антон Олегович

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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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    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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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

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РИНЦ
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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    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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10.

Protein biosensor based on nanowire field effect transistor / T. E. Smolyarova, A. V. Lukyanenko, L. V. Shanidze [et al.] // The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials : Proceedings. - VLadivostok : Dalnauka Publishing, 2020. - Ст. VII.31.03p. - P. 195. - The work is carried out with the assistance of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS» and Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project № 18-42-243013. . - ISBN 978-5-8044-1698-1

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Держатели документа:
Institute of Biophysics KSC SB RAS, 50/50 Academgorodok St., Krasnoyarsk, 660036, Russia
Krasnoyarsk Science Center of SB RAS, 50 Academgorodok St., Krasnoyarsk, 660036, Russia
Siberian Federal University, 76 Svobodny Av., Krasnoyarsk, 660041, Russia

Доп.точки доступа:
Smolyarova, T. E.; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Shanidze, L. V.; Шанидзе, Лев Викторович; Krasitskaya, V. V.; Tarasov, A. S.; Тарасов, Антон Сергеевич; Volkov, N. V.; Волков, Никита Валентинович; Asian School-Conference on Physics and Technology of Nanostructured Materials(5 ; 2020 ; 30 Jul - 3 Aug ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(5 ; 2013 ; 30 июля - 3 авг. ; Владивосток)
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