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1.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Sorokin P. B., Ovchinnikov S. G., Avramov P. V., Chernozatonskii L.A., Fedorov D.G.
Заглавие
: Atypical quantum confinement effect in silicon nanowires
Место публикации
: J. Phys. Chem. A. - WASHINGTON: AMER CHEMICAL SOC, 2008. - Vol. 112, Is. 40. - С. 9955-9964. - OCT 9. - ISSN 1089-5639,
DOI
10.1021/jp805069b
Примечания
: 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]
Предметные рубрики:
ELECTRONIC-STRUCTURE
OPTICAL-PROPERTIES
SI
DENSITY
WIRES
EXCHANGE
ATOMS
DOTS
Ключевые слова
(''Своб.индексиров.''): 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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2.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Smolyarova T. E., Lukyanenko A. V., Tarasov A. S., Shanidze L. V., Baron F. A., Zelenov F. V., Yakovlev I. A., Volkov N. V.
Заглавие
: Biosensors based on
nanowire
field effect transistors with Schottky contacts
Коллективы
: International School and Conference on optoelectronics, photonics, engineering and nanostructures
Место публикации
: J. Phys.: Conf. Ser. - 2019. - Vol. 1410. - Ст.012013. - ISSN 1742-6588,
DOI
10.1088/1742-6596/1410/1/012013. - ISSN 1742-6596 (eISSN)
Примечания
: 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».
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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3.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Yoo E., Samardak A. Y., Jeon Y. S., Samardak A. S., Ognev A. V., Komogortsev S. V., Kim Y. K.
Заглавие
: Composition-driven crystal structure transformation and magnetic properties of electrodeposited Co–W alloy nanowires
Место публикации
: J. Alloys Compd. - 2020. - Vol. 843. - Ст.155902. - ISSN 09258388 (ISSN),
DOI
10.1016/j.jallcom.2020.155902
Примечания
: 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).
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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4.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Nasirpouri F., Peighambari S. M., Samardak A. S., Ognev A. V., Sukovatitsina E. V., Modin E. B., Chebotkevich L. A., Komogortsev S. V., Bending S. J.
Заглавие
: Electrodeposited Co93.2P6.8
nanowire
arrays with core-shell microstructure and perpendicular magnetic anisotropy
Коллективы
: Russian Ministry of Education and Science [559]; Far Eastern Federal University
Место публикации
: J. Appl. Phys.: American Institute of Physics, 2015. - Vol. 117, Is. 17. - Ст.17E715. - ISSN 0021,
DOI
10.1063/1.4919124. - ISSN 10897550(eISSN)
Примечания
: 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.
Предметные 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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5.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Gamov, Alexander, Zlotnikov A. O.
Заглавие
: Fermion parity of phases supporting multiple Majorana modes in a superconducting
nanowire
Колич.характеристики
:10 с
Место публикации
: J. Sib. Fed. Univ. Math. Phys. - 2023. - Vol. 16, Is. 6. - P.820-829. - ISSN 19971397 (ISSN); Журн. СФУ. Матем. и физ. - ISSN 23136022 (eISSN)
Примечания
: Cited References: 22. - Gamov A. acknowledges the support of the Theoretical Physics and Mathematics Advancement Foundation "BASIS"
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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6.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Voronin A. S., Ivanchenko F. S., Simunin M. M., Shiverskiy A. V., Aleksandrovsky A. S., Nemtsev I. V., Fadeev Y. V., Karpova D. V., Khartov S. V.
Заглавие
: High performance hybrid rGO/ Ag quasi-periodic mesh transparent electrodes for flexible electrochromic devices
Место публикации
: Appl. Surf. Sci.: Elsevier Science, 2016. - Vol. 364. - P.931–937. - ISSN 0169-4332,
DOI
10.1016/j.apsusc.2015.12.182. - ISSN 1873-5584
Примечания
: Cited References: 31
Предметные рубрики:
NANOWIRE
NETWORKS
GRAPHENE FILMS
OXIDE
OXIDATION
HEATERS
Ключевые слова
(''Своб.индексиров.''): 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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7.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Ivanov A. A., Orlov V. A.
Заглавие
: Self-organization of the magnetization in ferromagnetic nanowires
Коллективы
: Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium, Институт физики им. Л.В. Киренского Сибирского отделения РАН , RFBR [14-02-00238-a]
Место публикации
: J. Magn. Magn. Mater.: Elsevier Science, 2017. - Vol. 440. - P.217-220. - ISSN 0304-8853,
DOI
10.1016/j.jmmm.2016.12.053. - ISSN 1873-4766(eISSN)
Примечания
: Cited References:21. - This study was supported by RFBR, Project no. 14-02-00238-a
Предметные рубрики:
SYSTEM
ANISOTROPY
Ключевые слова
(''Своб.индексиров.''): 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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8.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Avramov P. V., Sorokin P. B. , Chernozatonskii L. A. , Gordon M. S.
Заглавие
: Multiterminal
nanowire
junctions of silicon: A theoretical prediction of atomic structure and electronic properties
Место публикации
: Nano Letters: American Chemical Society, 2007. - Т. 7, № 7. - С. 2063-2067. - ISSN 1530-6984,
DOI
10.1021/nl070973y. - ISSN 1530-6992(eissn)
ГРНТИ
: 34
РИНЦ
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9.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Koblischka M. R., Gokhfeld D. M., Chang C., Hauet T., Hartmann U.
Заглавие
: Pinning force scaling of electrospun Bi-2212
nanowire
networks
Место публикации
: Solid State Commun.: Elsevier, 2017. - Vol. 264. - P.16-18. - ISSN 00381098 (ISSN),
DOI
10.1016/j.ssc.2017.07.002
Примечания
: Cited References: 24. - This work is supported by the DFG project Ko2323/8, which is gratefully acknowledged
Ключевые слова
(''Своб.индексиров.''): 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 T 35 K, where a strong superconducting signal prevails. The scaling analysis of the pinning forces was applied to interprete the data obtained. Both pure and Li-doped Bi2212
nanowire
networks exhibit a peak position of h0∼ 0.11, which is smaller than the expected value of h0
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10.
Вид документа
: Статья из сборника (однотомник)
Шифр издания
:
Автор(ы)
: Smolyarova T. E., Lukyanenko A. V., Shanidze L. V., Krasitskaya V. V., Tarasov A. S., Volkov N. V.
Заглавие
: Protein biosensor based on
nanowire
field effect transistor
Коллективы
: Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации
: The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.VII.31.03p. - P.195. - ISBN 978-5-8044-1698-1
Примечания
: 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.
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11.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Smolyarova T. E., Shanidze, Lev V., Lukyanenko A. V., Baron F. A., Krasitskaya, Vasilisa V., Kichkailo, Anna S., Tarasov A. S., Volkov N. V.
Заглавие
: Protein biosensor based on Schottky barrier
nanowire
field effect transistor
Место публикации
: Talanta. - 2022. - Vol. 239. - Ст.123092. - ISSN 0039-9140 (ISSN),
DOI
10.1016/j.talanta.2021.123092. - ISSN 1873-3573 (eISSN)
Примечания
: Cited References: 44. - The reported study was funded by RFBR according to the research project № 20-32-90134. The authors thank RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science (projects nos. 20-42-243007 and 20-42-240013) and the Government of the Russian Federation, Mega Grant for the Creation of Competitive World-Class Laboratories (Agreement no. 075-15-2019-1886) for financial support. Electron microscopy investigations were conducted with the help of equipment of the Krasnoyarsk Territorial Shared Resource Center, Krasnoyarsk Scientific Center, Russian Academy of Sciences
Аннотация:
A top-down nanofabrication approach involving molecular beam epitaxy and electron beam lithography was used to obtain silicon
nanowire
-based back gate field-effect transistors with Schottky contacts on silicon-on-insulator (SOI) wafers. The resulting device is applied in biomolecular detection based on the changes in the drain-source current (IDS). In this context, we have explained the physical mechanisms of charge carrier transport in the
nanowire
using energy band diagrams and numerical 2D simulations in TCAD. The results of the experiment and numerical modeling matched well and may be used to develop novel types of
nanowire
-based biosensors.
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12.
Вид документа
: Статья из сборника (выпуск продолж. издания)
Шифр издания
:
Автор(ы)
: Satsuk S. A., Komogortsev S. V.
Заглавие
: Micromagnetic modeling of the polycrystalline structure effect to the hysteresis loop in ferromagnetic
nanowire
Коллективы
: Dynamic Systems and Computer Science: Theory and Applications
Место публикации
: 2020 Dynamic Systems and Computer Science: Theory and Applications (19-22 October 2020 ; Irkutsk, Russian Federation). Journal of Physics: Conference Series. - 2021. - Vol. 1847, Is. 1. - Ст.012045. - ,
DOI
10.1088/1742-6596/1847/1/012045
Примечания
: Cited References: 32. - This work was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project 18-42-240006
Аннотация:
Extensive micromagnetic simulation results of the hysteresis loops in ferromagnetic
nanowire
with randomly oriented crystallites ordered in one chain is presented. Three main contributions to the magnetic energy of the wire had been taken into account: exchange, dipole-dipole, and the magnetic anisotropy energy of the crystallite. In cases where one of the three contributions to the energy can be neglected, the numerical calculations are in good agreement with the results of the well-known, analytically studied micromagnetic problems. In the case when all three contributions are comparable, a complex non-monotonic dependence of the coercive force on the crystallite size and the magnetic anisotropy constant is observed. In order to interpret these changes, a new micromagnetic scale is introduced, which takes into account all three contributions to the magnetic energy of the wire, and performs a correct transition to the analytically studied limits, which take into accountthe competition of any two contributions.
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13.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Shustin M. S., Aksenov S. V.
Заглавие
: Effect of strong intersite Coulomb interaction on the topological properties of a superconducting
nanowire
Место публикации
: Phys. Solid State. - 2022. - Vol. 64, Is. 13. - P.2047-2053. - ISSN 10637834 (ISSN),
DOI
10.21883/PSS.2022.13.53972.23s. - ISSN 10906460 (eISSN)
Примечания
: Cited References: 55. - This study was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory and the Krasnoyarsk Regional Fund of Science, projects nos. 20-42-243001 and 20-42-243005. M.S.S. thanks the Foundation for the Advancement of Theoretical Physics and Mathematics ”BASIS“. S.V.A. is grateful to the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools, project No. MK-1641.2020.2
Аннотация:
For superconducting
nanowire
with the pairing of extended s-type symmetry, Rashba spin-orbit interaction in a magnetic field, the influence of strong intersite charge correlations on single-particle Majorana excitations is analyzed. This problem is investigated on the basis of the density matrix renormalization group numerical method. It is shown that with an increase in the repulsion intensity of electrons located at the neighboring sites, two subbands emerge in the lower Hubbard band of the open system. Based on calculations of the Majorana polarization and degeneracy of the entanglement spectrum, it was found that a topologically nontrivial phase with one edge state survives at the edge of each of the subbands where the concentration of electrons or holes is minimal.
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14.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Shustin M. S., Aksenov S. V.
Заглавие
: Features of physical observables of a strongly correlated superconducting
nanowire
with Rashba spin–orbit interaction
Место публикации
: J. Exp. Theor. Phys. - 2022. - Vol. 135, Is. 4. - P.500-512. - ISSN 10637761 (ISSN),
DOI
10.1134/S1063776122100181. - ISSN 10906509 (eISSN)
Примечания
: Cited References: 66. - This study was supported by the Russian Foundation for Basic Research (project nos. 19-02-00348 and 20-02-00015), the administration of the Krasnoyarsk Kray, the Krasnoyarsk Kray Science Foundation (project nos. 20-42-243001 and 20-42-243005), and the Council for Grants from the President of Russian Federation (projects nos. MK-1641.2020.2 and MK-4687.2022.1). One of the authors (Sh.M.S.) thanks the Foundation for the Development of Theoretical Physics and Mathematics “BASIS”
Аннотация:
We analyze the behavior of caloric characteristics and the electron component of the spin polarization of excitations in the regime of strong electron correlations of a
nanowire
, which is characterized by induced superconductivity of the extended s-type symmetry, the Rashba spin–orbit interaction, and the Zeeman splitting of on-site energy. The problem has been analyzed using the density matrix renormalization group method. It is shown that for unambiguous identification of different phases (the topologically trivial phase with edge excitations and without them, as well as topologically nontrivial phases with one or several pairs of Majorana modes), it is insufficient to analyze each of the aforementioned characteristics separately; it is necessary to consider their features simultaneously.
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15.
Вид документа
: Статья из сборника (однотомник)
Шифр издания
:
Автор(ы)
: Tarasov A. S., Lukyanenko A. V., Smolyarova T. E., Shanidze L. V., Yakovlev I. A., Volkov N. V.
Заглавие
: Silicon
nanowire
based biosensor for detection of organic molecules
Коллективы
: Aptamers in Russia, international conference
Место публикации
: Aptamers in Russia, international conference (1 ; 2019 ; Aug. 27-30 ; Krasnoyarsk). Molecular Therapy - Nucleic Acids: book of abstracts of the 1st Int. conf. "Aptamers in Russia 2019". - 2019. - Vol. 17, Suppl. 1. - P.4-5
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16.
Вид документа
: Статья из сборника (однотомник)
Шифр издания
:
Автор(ы)
: Lukyanenko A. V., Tarasov A. S., Bondarev I. A., Rautskii M. V., Smolyarova T. E., Matsynin A. A., Zelenov F. V., Yakovlev I. A., Varnakov S. N., Ovchinnikov S. G., Volkov N. V.
Заглавие
: Silicon
nanowire
field-effect transistors. Technology and characterization
Коллективы
: Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов, Институт автоматики и процессов управления ДВО РАН, Дальневосточный федеральный университет
Место публикации
: Fourth Asian school-conference on physics and technology of nanostructured materials (ASCO-NANOMAT 2018): proceedings. - Vladivostok: Dalnauka, 2018. - P.111
Материалы конференции
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17.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Lukyanenko A. V., Tarasov A. S., Shanidze L. V., Volochaev M. N., Zelenov F. V., Yakovlev I. A., Bondarev I. A., Volkov N. V.
Заглавие
: Technique for fabricating ferromagnetic/silicon active devices and their transport properties
Место публикации
: J. Surf. Invest. - 2021. - Vol. 15, Is. 1. - P.65-69. - ISSN 10274510 (ISSN),
DOI
10.1134/S1027451021010109
Примечания
: Cited References: 15. - This study was supported by the Ministry of Science and Higher Education of the Russian Federation, the Presidium of the Russian Academy of Sciences (Program no. 32 “Nanostructures: Physics, Chemistry, Biology, and Fundamentals of Technologies”), and the Russian Foundation for Basic Research, the Government of Krasnoyarsk Territory, and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project no. 18-42-243 022
Аннотация:
Semiconductor nanowires are unique materials for studying nanoscale phenomena; the possibility of forming silicon nanowires on bulk silicon-on-insulator substrates in a top-down process ensures complete incorporation of this technology into integrated electronic systems. In addition, the use of ferromagnetic contacts in combination with the high quality of ferromagnetic–semiconductor interfaces open up prospects for the use of such structures in spintronics devices, in particular, spin transistors. A simple approach is proposed to create semiconductor
nanowire
-based active devices, specifically, bottom-gate Schottky-barrier field-effect transistors with a metal (Fe) source and drain synthesized on a silicon-on-insulator substrate and the transport characteristics of the designed transistors are investigated.
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18.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Sorokin P.B., Kvashnin A.G., Kvashnin D.G., Filicheva J.A., Avramov P. V., Chernozatonskii L.A., Fedorov A. S.
Заглавие
: Theoretical Study of Atomic Structure and Elastic Properties of Branched Silicon Nanowires
Место публикации
: ACS Nano. - 2010. - Vol. 4, Is. 5. - P.2784-2790. - MAY. - ISSN 1936-0851,
DOI
10.1021/nn9018027
Примечания
: 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]
Предметные рубрики:
ELECTRONIC-PROPERTIES
BUILDING-BLOCKS
NANOCRYSTALS
Ключевые слова
(''Своб.индексиров.''): 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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19.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Sorokin P.B., Kvashnin D.G., Kvashnin A.G., Avramov P. V., Chernozatonskii L.A.
Заглавие
: Theoretical study of elastic properties of SiC nanowires of different shapes
Место публикации
: J. Nanosci. Nanotechnol. - 2010. - Vol. 10, Is. 8. - P.4992-4997. - ISSN 1533-4880,
DOI
10.1166/jnn.2010.2424. - ISSN 1533-4899
Примечания
: 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/SUPФинансирующая организация: JSPS-RFBR [09-02-92107]; Fukui Institute, Kyoto University
Предметные рубрики:
INITIO MOLECULAR-DYNAMICS
SILICON-CARBIDE
THERMAL-STABILITY
CARBON NANOTUBES
NANORODS
GROWTH
SURFACES
NANOCRYSTALS
POTENTIALS
CONSTANTS
Ключевые слова
(''Своб.индексиров.''): 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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20.
Вид документа
: Статья из журнала
Шифр издания
:
Автор(ы)
: Val'kov V. V., Mitskan V. A., Shustin M. S.
Заглавие
: Cascade of quantum transitions and magnetocaloric anomalies in an open
nanowire
Коллективы
: 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
Место публикации
: JETP Letters. - 2017. - Vol. 106, Is. 12. - P.798-804. - ISSN 0021-3640,
DOI
10.1134/S0021364017240134. - ISSN 1090-6487(eISSN)
Примечания
: 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).
Предметные 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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