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Теоретическое исследование сорбции и диффузии атомов лития на поверхности и внутри кристаллического кремния / А. А. Кузубов [и др.] // Письма в Журн. эксперим. и теор. физ. - 2013. - Т. 97, Вып. 11. - С. 732-736DOI 10.7868/S0370274X13110064
Аннотация: В рамках теории функционала плотности изучены энергия сорбции и диффузия атомов лития по реконструированной (4× 2) поверхности (100) кремния при их переходе в подповерхностные слои, а также внутри кристаллического кремния при различной концентрации лития. Показано, что одиночные атомы лития легко мигрируют по поверхности (100), постепенно заполняя поверхностные состояния (Т3 и L), расположенные в каналах между димерами кремния. Диффузия лития в подповерхностные слои кремния затруднена в связи с высокими потенциальными барьерами перехода (1.22 эВ). Также исследованы зависимости энергии связи, потенциальных барьеров и коэффициента диффузии атомов лития внутри кремния от расстояний до ближайших атомов лития. Показано, что увеличение его концентрации до состава Li0.5Si существенно снижает энергию перехода (с 0.90 до 0.36 эВ) и вызывает значительное (на 1-3 порядка) увеличение скорости диффузии лития.

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Переводная версия Theoretical study of sorption and diffusion of lithium atoms on the surface of crystalline silicon and inside it. - [Б. м. : б. и.]

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Кузубов, Александр Александрович; Kuzubov, A. A.; Елисеева, Наталья Сергеевна; Попов, Захар Иванович; Popov, Z.I.; Федоров, Александр Семенович; Fedorov, A. S.; Сержантова, Мария Викторовна; Денисов, Виктор Михайлович; Томилин, Феликс Николаевич; Tomilin, F. N.
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    Теоретическое исследование внедрения атомов лития в кремний / Н. С. Михалева [и др.] // Вестник СибГАУ. - 2015. - Т. 16, № 2. - С. 456-463. - Библиогр.: 55 . - ISSN 1816-9724
   Перевод заглавия: Theoretical study of lithium atoms penetration into silicon
Кл.слова (ненормированные):
ДИФФУЗИЯ -- ЛИТИЙ -- КРЕМНИЙ -- DFT -- DIFFUSION -- LITHIUM -- SILICON
Аннотация: Рассматривается процесс диффузии атомов лития в приповерхностные слои кремния (001). Расчеты выполнялись в рамках теории функционала плотности. Показано, что при малой концентрации лития на реконструированной поверхности кремния (001) энергия связи в подповерхностном слое ниже, чем на поверхности, что препятствует диффузии лития внутрь кристалла. Подобная ситуация существенно не меняется при увеличении температуры. Анализ частот перескока одиночных атомов лития с поверхности в приповерхностные слои показал, что в случае малых концентраций миграция атомарного Li будет осуществляться практически по одному пути реакции (из положения L-состояния, в котором литий находится в канале между димерами). При концентрации лития в два монослоя, наоборот, диффузия в подповерхностные слои становится более предпочтительна. Поскольку при достижении концентрации в один монослой происходит изменение симметрии димеров, диффузия лития внутрь кристалла также облегчается вследствие увеличения плотности положений в каналах между димерами. Таким образом, результат моделирования позволил объяснить причину экспериментального факта затруднения диффузии лития при прохождении через данную поверхность и определить пути возможной модификации поверхности, которая должна увеличить энергию связи атомов лития в приповерхностных состояниях при низких степенях заполнения им поверхности.
The article deals with a theoretical investigation of lithium diffusion through silicon (001) surface within density functional theory formalism. It was shown that it is more energetically favorable for dilute lithium atoms to stay atop fully-relaxed silicon (001) surface than beneath it. This fact hampers the diffusion into the silicon crystal and the situation doesn't change significantly with increase in temperature. The frequencies of lithium atom hopping from the surface to the subsurface layers of silicon crystal were estimated. The analysis of frequencies for different transition paths indicates that in the case of dilute concentration Li atoms are likely to migrate through the surface from one type of sites (site L-located in channels between silicon dimers). With increasing of lithium concentration up to 1 monolayer and further, the silicon (001) surface swaps the asymmetric dimers reconstruction model for symmetric, leading to doubling of number of the sites in between silicon dimers. After the concentration reaches 2 monolayers, the binding energy of Li atoms on the surface becomes less than binding energy beneath the surface, so the diffusion turns to be thermodynamically allowed. As a result of the investigation, the ab-initio modeling puts light on the cause of experimentally observed decelerated lithium diffusion through silicon (001) surface and delivers an opportunity to determine possible techniques for surface modification, which will increase lithium atom binding energies in sites beneath silicon surface at low lithium concentrations.

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Держатели документа:
Сибирский федеральный университет, Институт цветных металлов и материаловедения
Институт физики им. Л. В. Киренского СО РАН

Доп.точки доступа:
Михалева, Н. С.; Mikhaleva, N. S.; Кузубов, Александр Александрович; Kuzubov, A. A.; Попов, Захар Иванович; Popov, Z. I.; Еремина, А. Д.; Eremina, A. D.; Высотин, Максим Александрович; Visotin, M. A.
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Kolovsky, A. R.
Wave-packet dynamics of cold atoms in 2D lattices subject to synthetic magnetic and electric fields / A. Kolovsky // Modern problems of laser physics : матер. симп. - Новосибирск : ЗАО ИПП "Офсет", 2016. - P. 258

РИНЦ,
Материалы чсимпозиума,
Материалы симпозиума

Доп.точки доступа:
Коловский, Андрей Радиевич; International symposium and school for young scientist "Modern problems of laser physics"(7 ; )(2016 ; 22.08 - 28.08 ; Novosibirsk)Международный симпозиум и школа для молодых ученых "Современные проблемы лазерной физики"(7 ; )(2016 ; 22.08 - 28.08 ; Новосибирск); Институт лазерной физики Сибирского отделения РАН; Новосибирский государственный университет; Институт спектроскопии РАН; Московский государственный университет им. М.В. Ломоносова; Всероссийский научно-исследовательский институт физико-технических и радиотехнических измерений
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Kolovsky, A. R.
Wannier-Stark states and topological phase transitions in tilted two-dimensional bipartite lattices / A. R. Kolovsky // Humboldt Kolleg. Controlling quantum matter: From ultracold atoms to solids : conference materials. - 2018

Материалы конференции,
Смотреть тезисы

Доп.точки доступа:
Коловский, Андрей Радиевич; Controlling quantum matter: From ultracold atoms to solids, Humboldt Kolleg(2018 ; July 29 - August 2 ; Vilnius, Lithuania)Vilnius University; Lithuanian Physical Society
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Kolovsky, A. R.
Wannier-Stark states and Bloch oscillations in non-trivial 2D lattices & Quantum phase transition from the Mott-insulator state of cold atoms to the density-wave state in tilted 2D optical lattices / A. R. Kolovsky // Программа Всероссийской конференции "Физика ультрахолодных атомов". - Новосибирск, 2015

Материалы конференции

Доп.точки доступа:
Коловский, Андрей Радиевич; "Физика ультрахолодных атомов", Всероссийская конференция(2015 ; дек. ; 21-22 ; Новосибирск)"Physics of ultra-cold atoms", Conference(2015 ; Dec. ; 21-22 ; Novosibirsk); Институт автоматики и электрометрии Сибирского отделения РАН; Институт лазерной физики Сибирского отделения РАН; Институт физики полупроводников им. А.В. Ржанова Сибирского отделения РАН; Новосибирский государственный университет
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Bulgakov, E. N.
Vortex phase diagram of F=1 spinor Bose-Einstein condensates / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. Lett. - 2003. - Vol. 90, Is. 20. - Ст. 200401, DOI 10.1103/PhysRevLett.90.200401. - Cited References: 15 . - ISSN 0031-9007

РУБ Physics, Multidisciplinary
Рубрики:
ATOMS
CREATION
GASES
Аннотация: We have calculated the F=1 ground state of a spinor Bose-Einstein condensate trapped harmonic potential with an applied Ioffe-Pitchard magnetic field. The vortex phase diagram is found in the plane spanned by perpendicular and longitudinal magnetic fields. The ferromagnetic condensate has two vortex phases which differ by winding number in the spinor components. The two vortices for the F-z=-1 antiferromagnetic condensate are separated in space. Moreover, we considered an average local spin \[(S) over right arrow]\ to testify to what extent it is parallel to magnetic field (the nonadiabatic effects). We have shown that the effects are important at vortex cores.

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Держатели документа:
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden
ИФ СО РАН

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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Chernozatonskii, L. A.
Two-dimensional semiconducting nanostructures based on single graphene sheets with lines of adsorbed hydrogen atoms / L. A. Chernozatonskii, P. B. Sorokin, J. W. Bruning // Appl. Phys. Lett. - 2007. - Vol. 91, Is. 18. - Ст. 183103, DOI 10.1063/1.2800889. - Cited References: 24 . - ISSN 0003-6951

РУБ Physics, Applied
Рубрики:
CARBON
GAS
Кл.слова (ненормированные):
Electronic properties -- Energy gap -- Graphite -- Hydrogen -- Semiconductor materials -- Superlattices -- Electronic spectra -- Graphene sheets -- Quasi-two-dimensional heterostructures -- Semiconducting nanostructures -- Nanostructured materials
Аннотация: It is shown that lines of adsorbed hydrogen pair atoms divide the graphene sheet into strips and form hydrogen-based superlattice structures (2HG-SL). We show that the formation of 2HG-SL changes the electronic properties of graphene from semimetal to semiconductor. The electronic spectra of "zigzag" (n,0) 2HG-SL is similar to that of (n,0) carbon nanotubes and have a similar oscillation of band gap with n, but with nonzero minimal values. The composite dual-periodic (n,0)+(m,0) 2HG-SLs of zigzag strips are analyzed, with the conclusion that they may be treated as quasi-two-dimensional heterostructures. (C) 2007 American Institute of Physics.

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Держатели документа:
Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Humboldt Univ, Math Inst, D-12489 Berlin, Germany
ИФ СО РАН
Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 4 Kosigina St., Moscow 119334, Russian Federation
Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Academgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Mathematics, Humboldt University of Berlin, Berlin 12489, Germany

Доп.точки доступа:
Sorokin, P. B.; Bruning, J. W.
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Kolovsky, A. R.
Transport of cold atoms in optical lattices / A. R. Kolovsky // Eur. Phys. J. - Spec. Top. - 2007. - Vol. 151. - P. 103-112, DOI 10.1140/epjst/e2007-00366-5. - Cited References: 24 . - ISSN 1951-6355

РУБ Physics, Multidisciplinary
Рубрики:
ULTRACOLD ATOMS
   DISRUPTION
   SUPERFLUID
   GAS
Аннотация: The work discusses transport of cold atoms in optical lattices. Two related but different problems are considered: interacting Bose atoms subject to a static field (i.e., the atoms in a tilted lattice); and non-interacting atoms in a tilted lattice in the presence of a buffer gas. For these two systems we found, respectively: periodic, quasiperiodic, or decaying Bloch oscillations, as it depends on the strength of atom-atom interactions and the magnitude of the static field; diffusive directed current of atoms, similar to the electron current in ordinary conductors.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Коловский, Андрей Радиевич
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Arkhipkin, V. G.
Transmission and reflection spectra of a photonic crystal with a Raman defects / V. G. Arkhipkin, S. A. Myslivets // J. Exp. Theor. Phys. - 2011. - Vol. 111, Is. 6. - P. 898-906, DOI 10.1134/S1063776110120022. - Cited References: 37. - This work was supported by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh-7810.2010.3), the Presidium of the Russian Academy of Sciences (project no. 27.1), the Ministry of Education and Science of the Russian Federation (state contract no. 02.740.11.0220), and the Siberian Branch, Russian Academy of Sciences (integration project no. 5). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   SLOW-LIGHT
   NONLINEAR OPTICS
   MICROCAVITIES
   LASERS
   AMPLIFIER
   MODES
Кл.слова (ненормированные):
Group velocities -- High frequency HF -- Microwatts -- Nonlinear refractive index -- One dimensional photonic crystal -- Probe field -- Pump intensities -- Raman gain -- Raman resonances -- Reflection spectra -- Spectral position -- Three level atoms -- Transmission spectrums -- Defects -- Dispersion (waves) -- Probes -- Pumping (laser) -- Pumps -- Refractive index -- Resonance -- Photonic crystals
Аннотация: Features of Raman gain of probe radiation in three-level atoms placed in a defect of a one-dimensional photonic crystal in the presence of laser radiation (pump) at an adjacent high-frequency transition have been theoretically investigated. It has been shown that there is a pump intensity range where narrow peaks (resonances) simultaneously appear in the transmission and reflection spectra of the probe field. Beyond this region, the peak in the transmission spectrum is transformed to a narrow dip. The spectral position of these peaks is determined by the Raman resonance and the transmittance and reflectance can be larger than unity at pump intensities from several microwatts per square centimeter to several tens of milliwatts per square centimeter. The nature of narrow peaks is due to a sharp dispersion of a nonlinear refractive index near the Raman resonance; this dispersion is responsible for a strong decrease in the group velocity of probe radiation. The proposed scheme makes it possible to obtain controlled ultranarrow resonances in the transmission and reflection spectra of the photonic crystal.

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Оригинал на русском языке Спектры пропускания и отражения фотонного кристалла с рамановским дефектом [Текст] / В. Г. Архипкин, С. А. Мысливец // Журнал экспериментальной и теоретической физики. - Москва : Федеральное государственное унитарное предприятие "Академический научно-издательский, производственно-полиграфический и книгораспространительский центр Российской академии наук "Издательство "Наука", 2010. - Т. 138 № 6. - С. 1018-1027

Держатели документа:
[Arkhipkin, V. G.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич
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10.

Theoretical study of sorption and diffusion of lithium atoms on the surface of crystalline silicon and inside it / A. A. Kuzubov [et al.] // JETP Letters. - 2013. - Vol. 97, Is. 11. - P. 634-638, DOI 10.1134/S0021364013110088 . - ISSN 0021-3640
Аннотация: The energy of the sorption and diffusion of lithium atoms on the reconstructed (4 ? 2) (100) silicon surface in the process of their transport into near-surface layers, as well as inside crystalline silicon, at various lithium concentrations have been investigated within the density functional theory. It has been shown that single lithium atoms easily migrate on the (100) surface and gradually fill the surface states (T3 and L) located in channels between silicon dimers. The diffusion of lithium into near-surface silicon layers is hampered because of high potential barriers of the transition (1.22 eV). The dependences of the binding energy, potential barriers, and diffusion coefficient inside silicon on distances to the nearest lithium atoms have also been examined. It has been shown that an increase in the concentration of lithium to the Li0.5Si composition significantly reduces the transition energy (from 0.90 to 0.36 eV) and strongly increases (by one to three orders of magnitude) the lithium diffusion rate. В© 2013 Pleiades Publishing, Ltd.

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Публикация на русском языке Теоретическое исследование сорбции и диффузии атомов лития на поверхности и внутри кристаллического кремния. - [S. l. : s. n.]

Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660028, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Eliseeva, N. S.; Popov, Z. I.; Попов, Захар Иванович; Fedorov, A. S.; Федоров, Александр Семенович; Serzhantova, M. V.; Denisov, V. M.; Tomilin, F. N.; Томилин, Феликс Николаевич
}
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11.

    The superexchange interactions in mixed Co-Fe ludwigite / N. V. Kazak [et al.] // J. Magn. Magn. Mater. - 2011. - Vol. 323, Is. 5. - P. 521-527, DOI 10.1016/j.jmmm.2010.09.057. - Cited Reference Count: 15. - Гранты: This study was supported by the Russian Foundation for Basic Research (Project no. 09-02-00171-a), the Federal Agency for Science and Innovation (Rosnauka) (Project no. MK-5632. 2010.2), Physical Division of the Russian Academy of Science, the program "Strongly Correlated Electrons", project 2.3.1.; The financial support of Spanish MINCYT, MAT08/1077 and Aragonese E-34 project are also acknowledged. - Финансирующая организация: Russian Foundation for Basic Research [09-02-00171-a]; Federal Agency for Science and Innovation (Rosnauka) [MK-5632. 2010.2]; Physical Division of the Russian Academy of Science; "Strongly Correlated Electrons" [2.3.1]; Spanish MINCYT [MAT08/1077]; Aragonese E-34 project . - MAR. - ISSN 0304-8853
Рубрики:
TRANSPORT-PROPERTIES
   SPECTRA
Кл.слова (ненормированные):
ludwigite structure -- magnetic susceptibility -- magnetic frustration -- mott conductivity -- ludwigite structure -- magnetic frustration -- magnetic susceptibility -- mott conductivity -- ac susceptibility -- cation distributions -- crystal data -- crystallographic sites -- electrical resistivity -- iron atoms -- low temperatures -- ludwigite structure -- magnetic behavior -- magnetic frustrations -- magnetic system -- magnetic transitions -- mossbauer -- mossbauer effects -- mott conductivity -- mott hopping -- superexchange energy -- superexchange interaction -- temperature regions -- trivalent iron -- variable range -- cobalt -- electric conductivity -- magnetic susceptibility -- magnetism -- mossbauer spectroscopy -- x ray diffraction -- crystal structure
Аннотация: The crystal structure, cation distribution and exchange interactions in the Co2.25Fe0.75O2BO3 ludwigite have been explored through X-ray diffraction, electrical resistivity, ac-susceptibility and Mossbauer effect measurements. The crystal data have shown that iron atoms occupy the most symmetric crystallographic sites Fe4 and Fe2. The complex magnetic behavior with two magnetic transitions near 70 and 115 K at low temperatures was found. The Mossbauer data have displayed the trivalent iron states only. The values of superexchange energies have been estimated for Co3O2BO3 and Co2.25Fe0.75O2BO3 yielding a significant role of frustrations in the ludwigite magnetic system. Variable range Mott hopping conductivity law was proved to be valid in the wide temperature region, pointing out a localized character of charge carriers rather than collective. (C) 2010 Elsevier B.V. All rights reserved.

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Держатели документа:
RAS, LV Kirensky Phys Inst, SB, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660074, Russia
Krasnoyarsk State Agr Univ, Krasnoyarsk 660049, Russia
Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Abd Dept Fis Mat Condensada, E-50009 Zaragoza, Spain
Univ Zaragoza, Area Medidas Fis, Serv Instrumentac Cient, E-50009 Zaragoza, Spain

Доп.точки доступа:
Kazak, N. V.; Казак, Наталья Валерьевна; Bayukov, O. A.; Баюков, Олег Артемьевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Rudenko, V. V.; Руденко, Валерий Васильевич; Ivanova, N. B.; Иванова, Наталья Борисовна; Knyazev, Yu. V.; Князев, Юрий Владимирович; Bartolom, J.; Arauzo, A.
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12.

Study of interaction between transition metal atoms and bigraphene monovacancy by means of quantum chemistry / A. A. Kuzubov [et al.] // Comput. Mater. Sci. - 2016. - Vol. 112, Part A. - P. 269-275, DOI 10.1016/j.commatsci.2015.11.002. - Cited References: 39. - The authors would like to thank Siberian Supercomputer Center (SSCC) of SB RAS, Novosibirsk; and L.V. Kirensky Institute of Physics of SB RAS, Krasnoyarsk, for providing the access to their supercomputers. This work was supported by the government contract of the Ministry of Education and Science of the Russian Federation to Siberian Federal University (Grant No. 16.1500.2014/K). . - ISSN 0927-0256

РУБ Materials Science, Multidisciplinary
Рубрики:
INITIO MOLECULAR-DYNAMICS
   MASSLESS DIRAC FERMIONS
   GRAPHENE
   VACANCIES
   POINTS
   GAS
Кл.слова (ненормированные):
Bigraphene -- Spintronics -- Transition metal -- Adsorption -- Migration
Аннотация: First-row transition metal atoms adsorption on bigraphene monovacancy was studied within the framework of DFT in periodic boundary conditions. Electronic and magnetic properties of composites were analyzed and their potential utilization in spintronics was discussed. Barriers of metal atoms migration from bigraphene surface to the interlayer space through the vacancy were estimated in order to consider both thermodynamic and kinetic aspects of composites experimental preparation. Formation of metal atoms inner-sorbed on bigraphene was found to demand harsh synthesis conditions; whereas outer-sorbed composites demonstrate significantly higher degree of spin polarization which makes them perspective for usage in spintronic devices. © 2015 Elsevier B.V.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, 50 Akademgorodok, Krasnoyarsk, Russian Federation
Kyungpook National University, 80 Daehakro, Bukgu, Daegu, South Korea

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Nikolaeva, K. M.; Mikhaleva, N. S.; Kovaleva, E. A.; Kuklin, A. V.; Куклин, Артем Валентинович; Fedorov, A. S.; Федоров, Александр Семенович
}
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13.

    Structure and magnetic properties of titanium nickelide nanoparticles synthesized by pulsed laser ablation method / A. K. Drozdova [et al.] // J. Phys. Conf. Ser. - 2017. - Vol. 857, Is. 1. - Ст. 012007, DOI 10.1088/1742-6596/857/1/012007. - Cited References: 9 . - ISSN 1742-6588
   Перевод заглавия: Структура и магнитные свойства наночастиц никелида титана, синтезированных методом импульсной лазерной абляции
Кл.слова (ненормированные):
Ablation -- Coatings -- High resolution transmission electron microscopy -- Laser ablation -- Nanomagnetics -- Nanoparticles -- Synthesis (chemical) -- Titanium -- Transmission electron microscopy -- Equiatomic composition -- Magnetization values -- Ti atoms -- Titanium nickelide -- Pulsed lasers
Аннотация: We have successfully synthesized magnetic titanium nickelide nanoparticles with equiatomic composition by pulsed laser ablation method. Using transmission electron microscopy and microanalysis was revealed that particles represent the homogeneous conglomerates containing identical amount of Ni and Ti atoms. The magnetization value of nanoparticles was estimated.

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Доп.точки доступа:
Drozdova, A. K.; Cherepanov, V. N.; Svetlichny, V. A.; Kveglis, L. I.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; International Conference on Films and Coatings(13 ; 18-20 April 2017 ; St. Petersburg)
}
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14.

KRASNOV, I. V.
STRAIGHTENING EFFECT OF RADIATION POWER AND LIGHT-INDUCED PHENOMENA OF TRANSFER IN RESONANCE GASES / I. V. KRASNOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. - Vol. 107, Is. 4. - P. 1135-1152. - Cited References: 18 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
FORCE
ATOMS

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}
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15.

Kudashkin, K.
Spectral properties of the Bose-Hubbard model within the cluster perturbation theory in X-operators representation / K. Kudashkin, S. Nikolaev, S. Ovchinnikov // J. Supercond. Nov. Magn. - 2017. - Vol. 30, Is. 1. - P. 103-107, DOI 10.1007/s10948-016-3781-y. - Cited References:16. - This work was supported by RFBR grant 16-02-00098, Government of Krasnoyarsk Territory and RFBR according to the research projects 16-42-243048, 16-42-240511, and 16-42-240769, and the Russian President Grant NSh-7559.2016.2. . - ISSN 1557-1939. - ISSN 1557-1947

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
TRANSITION
   SUPERFLUID
   INSULATOR
   ATOMS
Кл.слова (ненормированные):
Bose-Hubbard model -- Ultracold gases -- Cluster perturbation theory -- Density of states -- Spectral properties
Аннотация: We study the two-dimensional ultracold Bose gas in optical lattice. We use cluster perturbation theory based on Hubbard X-operators to calculate the spectral function and phase diagram of Bose-Hubbard model which is minimal model to describe behavior of ultracold gases in optical lattices. We have analyzed spectral properties of spinless bosons in a square lattice taking into account the short-range correlation.

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

Доп.точки доступа:
Nikolaev, S. V.; Николаев, Сергей Викторович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; RFBR [16-02-00098, 16-42-243048, 16-42-240511, 16-42-240769]; Government of Krasnoyarsk Territory; Russian President Grant [NSh-7559.2016.2]
}
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16.

Moiseenko, E. T.
Solid-state synthesis and atomic ordering in thin Cu/Au films (Atomic Ratio, Cu : Au = 3 : 1) / E. T. Moiseenko, R. R. Altunin, S. M. Zharkov // Bull. Russ. Acad. Sci.: Phys. - 2012. - Vol. 76, Is. 10. - P. 1149-1151, DOI 10.3103/S1062873812100073 . - ISSN 1062-8738
Кл.слова (ненормированные):
Atomic ordering -- Atomic ratio -- Bi-layer -- In-situ transmission -- Nano films -- Solid-state synthesis -- Space Groups -- Atoms -- Gold -- In situ processing -- Transmission electron microscopy -- Copper
Аннотация: In situ transmission electron microscopy investigations of the processes of solid-state synthesis and atomic ordering in bilayer Cu/Au nanofilms (atomic ratio, Cu : Au = 3 : 1) are conducted. It is found that solid-state synthesis starts at 170В°C. A Cu 3Au atomic-disordered structure (Fm3m space group; lattice con- stant, a = 3.76 В± 0.01 A) forms at 280В°C. Annealing the film for 1 hour at 380В°C produced a Cu 3AuI (L1 2 type) atomic-ordered superstructure, a Pm-3m space group, and lattice constant, a = 3.76 В± 0.01 a in the bulk of the film.

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Публикация на русском языке Моисеенко, Евгений Тимофеевич. Твердофазный синтез и атомное упорядочение в тонкопленочной системе Cu/Au (атомное соотношение Cu : Au = 3 : 1) [Текст] / Е. Т. Моисеенко, Р. Р. Алтунин, С. М. Жарков // Изв. РАН. Сер. физич. - 2012. - Т. 76 № 10. - С. 1279-1282

Держатели документа:
L.V. Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Altunin, R. R.; Алтунин, Роман Русланович; Zharkov, S. M.; Жарков, Сергей Михайлович; Моисеенко, Евгений Тимофеевич
}
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17.

    Single-Component White-Light Emission in 2D Hybrid Perovskites with Hybridized Halogen Atoms / G. Zhou [et al.] // Adv. Opt. Mater. - 2019. - Vol. 7, Is. 24. - Ст. 1901335, DOI 10.1002/adom.201901335. - Cited References: 35. - G.J.Z. and M.Z.L. contributed equally to this work. The present work was supported by the National Natural Science Foundations of China (Grant Nos. 51722202 and 51972118), the Fundamental Research Funds for the Central Universities (D2190980), and the Guangdong Provincial Science & Technology Project (No. 2018A050506004). . - ISSN 2195-1071
   Перевод заглавия: Однокомпонентное вещество, излучающее белый свет, из ряда двумерных гибридных перовскитов с гибридизованными атомами галогенов
Кл.слова (ненормированные):
2D halide perovskites -- photoluminescence -- white-light emission
Аннотация: With single-component photoinduced white-light (WL) emission, low-dimensional hybrid halide perovskites have emerged as a new generation of luminescent materials; however, the effect of halogens on the intrinsic light emissions and the corresponding mechanisms is still unknown. Herein, the investigation of a family of two-dimensional (2D) hybrid perovskites R2PbBr4−xClx (R = BA+, PMA+, PEA+; x = 0, 1, 2, 3, 4) highlights the influence of halogens on intrinsic emission to reveal the dependence of the photoluminescence on the nature and contribution of the halogens. Ultrabroad emissions covering the entire visible‐light region are achieved in the halogen hybrid systems with the stoichiometry of R2PbBr2Cl2 (R = BA+, PMA+, PEA+), showing their potential as single‐component WL phosphors in solid‐state lighting devices. The origin of the WL emissions is the synergistic recombination emission of free excitons and self‐trapped excitons. The ratio of halogens (Br/Cl) is confirmed to be a critical factor to fine‐tune the intrinsic emission properties. This work provides a feasible strategy to achieve single‐component WL emission in 2D hybrid perovskites, and proposes a method for regulating halogen contents for optimizing luminescent properties.

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Держатели документа:
The Beijing Municipal Key Laboratory of New Energy Materials and Technologies School of Materials Sciences and Engineering University of Science and Technology Beijing, Beijing 100083, P. R. China
Laboratory of Crystal Physics Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Department of Engineering Physics and Radioelectronics Siberian Federal University, Krasnoyarsk 660041, Russia
Department of Physics Far Eastern State Transport University, Khabarovsk 680021, Russia
State Key Laboratory of Luminescent Materials and Devices and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques South China University of Technology, Guangzhou 510641, P. R. China

Доп.точки доступа:
Zhou, Guojun; Li, Mingze; Zhao, Jing; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Zhiguo
}
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18.

    Simulating cyclotron-Bloch dynamics of a charged particle in a 2D lattice by means of cold atoms in driven quasi-1D optical lattices / A. R. Kolovsky // Front. Phys. - 2012. - Vol. 7, Is. 1. - P. 3-7, DOI 10.1007/s11467-011-0202-3. - Cited Reference Count: 11. - Гранты: This work was partially supported by Russian Foundation for Basic Research, grant RFBR-10-02-00171-a. - Финансирующая организация: Russian Foundation for Basic Research [RFBR-10-02-00171-a] . - ISSN 2095-0462
Рубрики:
MAGNETIC-FIELDS
   ELECTRONS
Кл.слова (ненормированные):
optical lattice -- bloch dynamics -- cyclotron oscillations -- cold atoms -- bloch dynamics -- cold atoms -- cyclotron oscillations -- optical lattice
Аннотация: Quantum dynamics of a charged particle in a two-dimensional (2D) lattice subject to magnetic and electric fields is a rather complicated interplay between cyclotron oscillations (the case of vanishing electric field) and Bloch oscillations (zero magnetic field), details of which has not yet been completely understood. In the present work we suggest to study this problem by using cold atoms in optical lattices. We introduce a one-dimensional (1D) model which can be easily realized in laboratory experiments with quasi-1D optical lattices and show that this model captures many features of the cyclotron-Bloch dynamics of the quantum particle in 2D square lattices.

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

Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич
}
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19.

Kolovsky, A. R.
Simulating cyclotron-Bloch dynamics of a charged particle in a 2D lattice by means of cold atoms in driven quasi-1D optical lattices / A. R. Kolovsky // Front. Phys. - 2012. - Vol. 7, Is. 1. - P. 3-7, DOI 10.1007/s11467-011-0202-3. - Cited References: 11. - This work was partially supported by Russian Foundation for Basic Research, grant RFBR-10-02-00171-a. . - ISSN 2095-0462

РУБ Physics, Multidisciplinary
Рубрики:
MAGNETIC-FIELDS
ELECTRONS
Кл.слова (ненормированные):
optical lattice -- Bloch dynamics -- cyclotron oscillations -- cold atoms
Аннотация: Quantum dynamics of a charged particle in a two-dimensional (2D) lattice subject to magnetic and electric fields is a rather complicated interplay between cyclotron oscillations (the case of vanishing electric field) and Bloch oscillations (zero magnetic field), details of which has not yet been completely understood. In the present work we suggest to study this problem by using cold atoms in optical lattices. We introduce a one-dimensional (1D) model which can be easily realized in laboratory experiments with quasi-1D optical lattices and show that this model captures many features of the cyclotron-Bloch dynamics of the quantum particle in 2D square lattices.

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Держатели документа:
[Kolovsky, Andrey R.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Kolovsky, Andrey R.] Siberian Fed Univ, Inst Engn Phys, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Коловский, Андрей Радиевич
}
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20.

Slabko, V. V.
Self-organized aggregation of small metal particles controlled by an external light field / V. V. Slabko, G. G. Khachatryan, A. S. Aleksandrovsky // JETP Letters. - 2006. - Vol. 84, Is. 6. - P. 300-304, DOI 10.1134/S0021364006180056. - Cited References: 16 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CLUSTERS
ATOMS
Аннотация: Using simplest two- and three-particle models, it is shown that there exists a possibility of controlled aggregation of silver nanoparticles in an external light field. The aggregation occurs as a result of the dipole-dipole interaction of particles, whose energy has a minimum at a certain particle configuration and at corresponding frequency and polarization of the field.

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Technical University, Krasnoyarsk, 660074, Russian Federation

Доп.точки доступа:
Khachatryan, G. G.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Слабко, Виталий Васильевич
}
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