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Исследование нового двумерного соединения CoC / К. В. Ларионов [и др.] // Письма в Журн. эксперим. и теор. физ. - 2018. - Т. 108, Вып. 1. - С. 14-18, DOI 10.1134/S0370274X18130039. - Библиогр.: 24. - Авторы благодарны за обсуждение полученных результатов проф. Готтхарду Сейферту (Gotthard Seifert), проф. д.ф.-м.н. Сорокину Б.П. и проф. д.ф.-м.н. Л.А. Чернозатонскому. Исследование выполнено за счет гранта Российского научного фонда (проект # 17-72-20223). Расчеты выполнены с использованием ресурсов вычислительного кластера НИТУ “МИСиС”, предоставленного лабораторией “Моделирование и разработка новых материалов” (поддержанный грантом Министерство образования и науки Российской Федерации # 14.Y26.31.0005) и межведомственного суперкомпьютерного центра РАН. . - ISSN 0370-274X
Аннотация: В работе рассмотрена новая монослойная квазидвумерная структура орторомбической симметрии на основе карбида кобальта, o-CoC, дополняющая недавно открытое семейство квазидвумерных соединений на основе переходных металлов. Показана динамическая стабильность монослоя, изучены его механические характеристики и электронные свойства.

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Переводная версия Study of the new two-dimensional compound CoC [Текст] / K. V. Larionov [et al.] // JETP Letters. - 2018. - Vol. 108 Is. 1.- P.13-17

Держатели документа:
Национальный исследовательский технологический университет "МИСиС", 119049 Москва, Россия
Технологический институт сверхтвердых и новых углеродных материалов, 108840 Москва, Троицк, Россия
Институт физики им. Л.В. Киренского - обособленное подразделение Федерального государственного бюджетного научного учреждения Федеральный исследовательский центр "Красноярский научный центр" Сибирского отделения РАН, 660036 Красноярск, Россия
Сибирский федеральный университет, 660041 Красноярск, Россия
Институт биохимической физики им. Н.М. Эмануэля РАН, 119334 Москва, Россия

Доп.точки доступа:
Ларионов, Константин В.; Larionov K. V.; Попов, З. И.; Высотин, Максим Александрович; Vysotin, M. A.; Квашнин, Дмитрий Геннадиевич; Сорокин, Павел Б.; Sorokin, P. B.
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Zaitsev, A. A.
The investigation of single nanotube of TiB2 / A. A. Zaitsev, P. B. Sorokin // Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 37

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Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Sorokin, P. B.; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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Theoretical study of the elastic properties of branched silicon nanowires [Text] / P. B. Sorokin, D. G. Kvashnin, A. G. Kvashnin // 9th Biennial International Workshop "Fullerenes and Atomic Clusters" (IWFAC 2009) : July 6-10, 2009, St Petersburg, Russia : abstracts. - 2009. - Ст. P4.6. - P101

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Доп.точки доступа:
Sorokin, P.B.; Kvashnin, D.G.; Kvashnin, A.G.; "Fullerenes and Atomic Clusters", Biennial International Workshop(9 ; 2009 ; JUL)
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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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Theoretical study of atomic and electronic struc?ture of magnesium diboride single-wall nanotubes [Text] / P. B. Sorokin, L. A. Chernozatonskii, B. I. Yakobson // 23rd International Winterschool on: Electronic Properties of Novel Materials: "Molecular nanostructures" : Kirchberg/Tirol, Austria, 7 – 14 March 2009. - P155

Доп.точки доступа:
Sorokin, P. B.; Chernozatonskii, L. A.; Yakobson, B. I.; International Winterschool on Electronic Properties of Novel Materials(23 ; 2009 ; Mar ; Kirchberg, Austria)
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Theoretical study and experimental investigation of hydrogen absorption by carbon nanomaterials / G. N. Churilov [et al.] // NATO Science for Peace and Security Series A: Chemistry and Biology. - 2007. - Т. 2007, № . - С. 127-132, DOI 10.1007/978-1-4020-5514-0_14 . - ISSN 1874-6489

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Держатели документа:
Bar-Ilan University
Kirensky Institute of Physics SB RAS
Krasnoyarsk State Technical University
Universidad Autonoma De Ciudad Juarez
Доп.точки доступа:
Churilov, G. N. ; Чурилов Григорий Николаевич; Fedorov, A. S. ; Федоров, Александр Семенович; Sorokin, P. B.; Сорокин, Павел Борисович; Novikov, P. V.; Новиков, Павел Вадимович; Bulina, N. V.; Булина, Наталья Васильевна; Marchenko, S. A. ; Martinez, Yu. S. ; Gedanken, A.
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Theoretical investigation of the interfaces and mechanisms of induced spin polarization of 1D narrow zigzag graphene- and h-BN nanoribbons on a SrO-terminated LSMO(001) surface / P. Avramov [et al.] // J. Phys. Chem. A. - 2017. - Vol. 121, Is. 3. - P. 680-689, DOI 10.1021/acs.jpca.6b09696. - Cited References:74. - We acknowledge the Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; the Joint Supercomputer Center of RAS, Moscow; and the ICC of Novosibirsk State University for providing the computing resources. P.B.S. acknowledges the financial support of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST MISiS (No. K2-2015-033). The Russian Science Foundation (Grant No 14-13-00139) supported the work of the Russian team. The Japanese Science Foundation (JSPS KAKENHI, Grant No 16H3875) supported the work of the Japanese team. . - ISSN 1089-5639

РУБ Chemistry, Physical + Physics, Atomic, Molecular & Chemical
Рубрики:
HEXAGONAL BORON-NITRIDE
AUGMENTED-WAVE METHOD
GIANT MAGNETORESISTANCE
Аннотация: The structure of the interfaces and the mechanisms of induced spin polarization of 1D infinite and finite narrow graphene- and h-BN zigzag nanoribbons placed on a SrO-terminated La1-xSrxMnO3 (LSMO) (001) surface were studied using density functional theory (DFT) electronic structure calculations. It was found that the pi-conjugated nanofragments are bonded to the LSMO(001) surface by weak disperse interactions. The types of coordination of the fragments, the strength of bonding, and the rate of spin polarization depend upon the nature of the fragments. Infinite and finite graphene narrow zigzag nanoribbons are characterized by the lift of the spin degeneracy and strong spin polarization caused by interface-induced structural asymmetry and oxygen-mediated indirect exchange interactions with Mn ions of LSMO support. Spin polarization changes the semiconducting nature of infinite graphene nanoribbons to half-metallic state with visible spin-up density of states at the Fermi level. The h-BN nanoribbon binding energy is weaker than graphene nanoribbon ones with noticeably shorter interlayer distance. The asymmetry effect and indirect exchange interactions cause spin polarization of h-BN nanoribbon as well with formation of embedded states inside the band gap. The results show a possibility to use one-atom thick nanofragments to design LSMO-based heterostructures for spintronic nanodevices with h-BN as an inert spacer to develop different potential barriers.

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Держатели документа:
Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea.
Kyungpook Natl Univ, Green Nano Mat Res Ctr, 80 Daehak Ro, Daegu 41566, South Korea.
Siberian Fed Univ, 79 Svobodniy Pr, Krasnoyarsk 660041, Russia.
LV Kirensky Inst Phys SB RAS, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.
Natl Inst Quantum & Radiol Sci & Technol QST, Naka, Ibaraki 3191106, Japan.
Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.

Доп.точки доступа:
Avramov, P. V.; Аврамов, Павел Вениаминович; Kuzubov, A. A.; Кузубов, Александр Александрович; Kuklin, A. V.; Куклин, Артем Валентинович; Lee, H.; Kovaleva, E. A.; Ковалева, Евгения Андреевна; Sakai, S.; Entani, S.; Naramoto, H.; Sorokin, P. B.; Ministry of Education and Science of the Russian Federation [K2-2015-033]; Russian Science Foundation [14-13-00139]; Japanese Science Foundation (JSPS KAKENHI) [16H3875]
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The theoretical study of mechanical properties of gra?phene membranes [Text] / A. G. Kvashnin, P. B. Sorokin, D. G. Kvashnin // 9th Biennial International Workshop "Fullerenes and Atomic Clusters" (IWFAC 2009) : July 6-10, 2009, St Petersburg, Russia : abstracts. - 2009. - Ст. P2.9. - P80

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Доп.точки доступа:
Kvashnin, A.G.; Sorokin, P.B.; Kvashnin, D.G.; "Fullerenes and Atomic Clusters", Biennial International Workshop(9 ; 2009 ; JUL)
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10.

The theoretical study of electronic structure of single nanotube of TiB2 [Text] / P. B. Sorokin, A. A. Zaitsev // 9th Biennial International Workshop "Fullerenes and Atomic Clusters" (IWFAC 2009) : July 6-10, 2009, St Petersburg, Russia : abstracts. - 2009. - Ст. P4.10. - P105

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Доп.точки доступа:
Sorokin, P.B.; Zaitsev, A.A.; "Fullerenes and Atomic Clusters", Biennial International Workshop(9 ; 2009 ; JUL)
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11.

The theoretical study of elastic properties of silicon nanowires / P. B. Sorokin [et al.] // Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 17

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Доп.точки доступа:
Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Sorokin, P. B.; Kvashnin, D. G.; Квашнин, Дмитрий Геннадиевич; Avramov, P. V.; Аврамов, Павел Вениаминович; Filicheva, J. A.; Chernozatonskii, L. A.; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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12.

The theoretical prediction of new MgB2 nanotubes [Text] / P. B. Sorokin, L. A. Chernozatonskii // 9th Biennial International Workshop "Fullerenes and Atomic Clusters" (IWFAC 2009) : July 6-10, 2009, St Petersburg, Russia : abstracts. - 2009. - Ст. P4.8. - P103

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Доп.точки доступа:
Sorokin, P.B.; Chernozatonskii, L.A.; "Fullerenes and Atomic Clusters", Biennial International Workshop(9 ; 2009 ; JUL)
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13.

The theoretical investigation of mechanical properties of grapheme [Text] / A. G. Kvashnin, P. B. Sorokin, D. G. Kvashnin // Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 11

Доп.точки доступа:
Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Kvashnin, A.G.; Sorokin, P.B.; Kvashnin, D.G.; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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14.

Superlattices consisting of "lines" of adsorbed hydrogen atom pairs on graphene / L. A. Chernozatonskii [et al.] // JETP Letters. - 2007. - Vol. 85, Is. 1. - P. 77-81, DOI 10.1134/S002136400701016X. - Cited References: 25 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CARBON NANOTUBES
   ELECTRON-GAS
   GRAPHITE
   FILMS
   PSEUDOPOTENTIALS
Аннотация: The structures and electron properties of new superlattices formed on graphene by adsorbed hydrogen molecules are theoretically described. It has been shown that superlattices of the (n, 0) zigzag type with linearly arranged pairs of H atoms have band structures similar to the spectra of (n, 0) carbon nanotubes. At the same time. superlattices of the (n, n) type with a "staircase" of adsorbed pairs of H atoms are substantially metallic with a high density of electronic states at the Fermi level and this property distinguishes their spectra from the spectra of the corresponding (n, n) nanotubes. The features of the spectra have the Van Hove form, which is characteristic of each individual superlattice. The possibility of using such planar structures with nanometer thickness is discussed.

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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Humboldt Univ, Inst Math, D-12489 Berlin, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660049, Russia
ИФ СО РАН
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119334, Russian Federation
Institute of Mathematics, Humboldt University of Berlin, Berlin, 12489, Germany
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Chernozatonskii, L. A.; Sorokin, P. B.; Belova, E. E.; Bruning, J.; Fedorov, A. S.; Федоров, Александр Семенович
}
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15.

    Study of the new two-dimensional compound CoC / K. V. Larionov [et al.] // JETP Letters. - 2018. - Vol. 108, Is. 1. - P. 13-17, DOI 10.1134/S0021364018130106. - Cited References: 24. - We are grateful to Prof. Gotthard Seifert, Prof. B.P. Sorokin, and Prof. L.A. Chernozatonskii for the discussion of the results. This work was supported by the Russian Science Foundation (project no. 17-72-20223). The calculations were performed with the use of resources of the Computer Cluster, Materials Modeling and Development Laboratory, National University of Science and Technology MISiS (supported by the Ministry of Education and Science of the Russian Federation, project no. 14.Y26.31.0005), and the Joint Supercomputer Center, Russian Academy of Sciences. . - ISSN 0021-3640. - ISSN 1090-6487
Рубрики:
TOTAL-ENERGY CALCULATIONS
   WAVE BASIS-SET
   AB-INITIO
   DYNAMICS
Аннотация: A novel quasi-two-dimensional monolayer structure with orthorhombic symmetry based on cobalt carbide, o-CoC, has been considered. This structure supplements a recently discovered family of quasi-two-dimensional compounds based on transition metals. The dynamic stability of a monolayer has been demonstrated. Its mechanical and electronic characteristics have been studied.

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Публикация на русском языке Исследование нового двумерного соединения CoC [Текст] / К. В. Ларионов [и др.] // Письма в Журн. эксперим. и теор. физ. - 2018. - Т. 108 Вып. 1. - С. 14-18

Держатели документа:
Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.
Technol Inst Superhard & Novel Carbon Mat, Troitsk 108840, Russia.
Russian Acad Sci, Kirensky Inst Phys, Fed Res Ctr KSC, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia.

Доп.точки доступа:
Larionov, K. V.; Ларионов, Константин В.; Popov, Z. I.; Vysotin, M. A.; Высотин, Максим Александрович; Kvashnin, D. G.; Sorokin, P. B.; Russian Science Foundation [17-72-20223]; Ministry of Education and Science of the Russian Federation [14.Y26.31.0005]; Joint Supercomputer Center, Russian Academy of Sciences
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16.

Sorokin, P. B.
Structure and properties of BeO nanotubes / P. B. Sorokin, A. S. Fedorov, L. A. Chernozatonskii // Phys. Solid State. - 2006. - Vol. 48, Is. 2. - P. 398-401, DOI 10.1134/S106378340602034X. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
MOLECULAR-DYNAMICS
Аннотация: The structure of a new non-carbon (beryllium oxide BeO) nanotube consisting of a rolled-up graphene sheet is proposed, and its physical properties are described. Ab initio calculations of the binding energy, the electronic band structure, the density of states, the dependence of the strain energy of the nanotube on the nanotube diameter D, and the Young's modulus Y for BeO nanotubes of different diameters are performed in the framework of the density functional theory (DFT). From a comparison of the binding energies calculated for BeO nanotubes and crystalline BeO with a wurtzite structure, it is inferred that BeO nanotubes can be synthesized by a plasma-chemical reaction or through chemical vapor deposition. It is established that BeO nanotubes are polar dielectrics with a band gap of similar to 5.0 eV and a stiffness comparable to that of the carbon nanotubes (the Young's modulus of the BeO nanotubes Y-BeO is approximately equal to 0.7Y(C), where Y-C is the Young's modulus of the carbon nanotubes). It is shown that, for a nanotube diameter D 1 nm, the (n, n) armchair nanotubes are energetically more favorable than the (n, 0) zigzag nanotubes.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119991, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russian Federation

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Chernozatonskii, L. A.
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17.

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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18.

Quantum dots embedded into silicon nanowires effectively partition electron confinement [Text] / P. V. Avramov, P. B. Sorokin [et al.] // J. Appl. Physics. - 2008. - Vol. 104. - P054305(6)

РИНЦ

Доп.точки доступа:
Avramov, P.V.; Sorokin, P.B.; Fedorov, D.G.; Chernozatonskii, L.A.; Narumi, K.; Ovchinnikov, S.G.; Morokuma, K.
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19.

New symmetric families of silicon quantum dots and their conglomerates as a tunable source of photoluminescence in nanodevices / Avramov P.V., Fedorov D.G., Sorokin P.B., Chernozatonskii L.A., Gordon M.S. // arXiv. - 2008. - Ст. 0709.2279v1

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Доп.точки доступа:
Avramov, P.V.; Fedorov, D.G.; Sorokin, P. B.; Chernozatonskii, L.A.; Gordon, M.S.
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20.

New carbon materials: modeling nanotube-graphene nanoribbons composites [Text] / L. A. Chernozatonskii, E. F. Sheka [et al.] // 9th Biennial International Workshop "Fullerenes and Atomic Clusters" (IWFAC 2009) : July 6-10, 2009, St Petersburg, Russia : abstracts. - 2009. - Ст. P2.4. - P75

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Доп.точки доступа:
Chernozatonskii, L.A.; Sheka, E.F.; Sorokin, P.B.; Artukh, A.A.; "Fullerenes and Atomic Clusters", Biennial International Workshop(9 ; 2009 ; JUL)
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