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1-10 11-15

Quantum-chemical calculations on the stability and mobility of vacancies in graphene / A. A. Kuzubov [et al.] // Russ. J. Phys. Chem. A. - 2012. - Vol. 86, Is. 7. - P. 1088-1090, DOI 10.1134/S0036024412070126. - Cited References: 18 . - ISSN 0036-0244

РУБ Chemistry, Physical
Рубрики:
INITIO MOLECULAR-DYNAMICS
   TRANSITION
   POINTS
   METALS
   LAYERS
Кл.слова (ненормированные):
graphene -- defects -- quantum-chemical simulation -- deformations
Аннотация: Thermodynamic stabilities of mono- and bivacancies in graphene for deformed and nondeformed lattices are estimated by means of quantum-chemical calculations. Monovacancy hopping constants are evaluated in dependence on the applied uniaxial deformations.

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Публикация на русском языке Квантово-химический расчет стабильности и подвижности вакансий в графене [Текст] / А. М. Кузубов [и др.] // Журн. физ. химии : Наука, 2012. - Т. 86 № 7. - С. 1204-1206

Держатели документа:
[Kuzubov, A. A.
Anan'eva, Yu E.
Fedorov, A. S.
Tomilin, F. N.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Kuzubov, A. A.
Fedorov, A. S.
Tomilin, F. N.
Krasnov, P. O.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Kuzubov, A. A.
Krasnov, P. O.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Anan'eva, Y. E.; Fedorov, A. S.; Федоров, Александр Семенович; Tomilin, F. N.; Томилин, Феликс Николаевич; Krasnov, P. O.; Краснов, Павел Олегович
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Boron mobility in sintered (Pr, Dy)–(Fe, Co)–B materials with a high cobalt content / E. N. Kablov [et al.] // Russ. Metall. (Metally). - 2014. - Vol. 2014, Is. 9. - P. 721–724, DOI 10.1134/S0036029514090080. - Cited References: 15 . - ISSN 0036-0295. - ISSN 1555-6255
Аннотация: Sintered (Pr, Dy)–(Fe1 – yCoy)–B materials with up to y ≈ 0.5 atomic fractions have been studied. Boron is found to be a movable element, and its diffusion between principal magnetic phase A and other boron containing phases determines the properties of the materials. The structure of principal magnetic phase grains is sufficiently complex: their periphery is enriched in boron. The enrichment is shown to cause a decrease in the coercive force of the materials to zero after sintering.

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Публикация на русском языке Подвижность бора в спеченных материалах (Pr,Dy)-(Fe,Co)-B с высоким содержанием кобальта [Текст] / Е. Н. Каблов [и др.] // Металлы : НПП "Элиз", 2014. - № 5. - С. 47-51

Держатели документа:
All-Russia Scientific Research Institute of Aviation Materials, ul. Radio 17, Moscow, 105005, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, bld. 38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Kablov, E. N.; Piskorskii, V. P.; Valeev, R. A.; Ospennikova, O. G.; Rezchikova, I. I.; Volkov, N. V.; Волков, Никита Валентинович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович
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Voronov, V. N.
Steric factor effects on ionic mobility processes in perovskite-like structure compounds / V. N. Voronov, K. S. Aleksandrov // Fiz. Tverd. Tela. - 1985. - Vol. 27, Is. 7. - P. 1968-1976. - Cited References: 32 . - ISSN 0367-3294

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Публикация на русском языке Воронов, Владимир Николаевич. Роль стерических факторов в процессах ионной подвижности в соединениях с перовскитоподной структурой [Текст] / В. Н. Воронов, К. С. Александров // Физ. тверд. тела. - 1985. - Т. 27 Вып. 7. - С. 1968-1976

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Воронов, Владимир Николаевич
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Mobility of Vacancies under Deformation and Their Effect on the Elastic Properties of Graphene / A. S. Fedorov [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 112, Is. 5. - P. 820-824, DOI 10.1134/S1063776111040042. - Cited References: 35 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
WALLED CARBON NANOTUBES
   INITIO MOLECULAR-DYNAMICS
   AB-INITIO
   GRAPHITE SURFACES
   DEFECTS
   IRRADIATION
   HYDROGEN
   POINTS
Кл.слова (ненормированные):
Ab initio -- Applied strain -- Density-functional methods -- Elastic properties -- Graphene sheets -- Linear dependence -- Potential barriers -- Transition state theories -- Young's Modulus -- Elasticity -- Graphene
Аннотация: The effect of isolated vacancies on the elastic properties of a graphene sheet has been investigated by the ab initio density functional method. An almost inverse linear dependence of the Young's modulus on the concentration of vacancies has been revealed. The height of potential barriers for the motion of vacancies in various directions has been calculated as a function of various independent applied strains. The velocity of vacancies at various temperatures has been calculated as a function of applied strains using the transition state theory. DOI: 10.1134/S1063776111040042

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Держатели документа:
[Fedorov, A. S.
Popov, Z. I.
Kuzubov, A. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Fedorov, D. A.
Anan'eva, Yu. E.
Eliseeva, N. S.
Kuzubov, A. A.] Siberian Fed Univ, Krasnoyarsk 660028, Russia
ИФ СО РАН
Siberian Branch, Kirensky Institute of Physics, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660028, Russian Federation

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Fedorov, D. A.; Федоров, Дмитрий Александрович; Popov, Z. I.; Попов, Захар Иванович; Anan'eva, Y. E.; Eliseeva, N. S.; Kuzubov, A. A.; Кузубов, Александр Александрович
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Nuclear spin resonance study of the ion mobility in a KHSeO4 crystal / Y. N. Ivanov [et al.] // Phys. Solid State. - 2004. - Vol. 46, Is. 10. - P. 1845-1850, DOI 10.1134/1.1809417. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
POTASSIUM HYDROGEN SULFATE
EXCHANGE NMR
SOLIDS
Аннотация: The ion mobility in a crystal of partially deuterated potassium hydroselenate (KHSe) was studied using nuclear spin resonance (NSR) of H-1, H-2, Se-77, and K-39 in a wide temperature range. The temperature dependences of the deuterium NSR spectra above 360 K exhibit changes in the line shape characteristic of chemical exchange processes. These exchange processes were studied in detail using two-dimensional H-2 NSR spectroscopy. It was ascertained that the exchange between deuterons of hydrogen bonds take place in the entire temperature range under study. However, the measured conductivity was approximately one-hundredfold lower than that estimated from the exchange frequencies. It was assumed that the low conductivity in the temperature range under study is caused by closed dimers of SeO4 groups in the KHSe structure. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Leipzig, D-04103 Leipzig, Germany
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Leipzig University, Leipzig, D-04103, Germany

Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovskii, A. A.; Суховский, Андрей Андреевич; Aleksandrova, I. P.; Александрова, Инга Петровна; Totz, J.; Michel, D.
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Gavrichkov, V. A.
An impurity resistivity of doped manganese perovskites / V. A. Gavrichkov, S. G. Ovchinnikov // Physica B. - 1999. - Vol. 259-61: International Conference on Strongly Correlated Electron Systems (SCES 98) (JUL 15-18, 1998, PARIS, FRANCE). - P. 828-830, DOI 10.1016/S0921-4526(98)00875-8. - Cited References: 4 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:

Кл.слова (ненормированные):
manganese perovskites -- mobility -- linear and quadratic magnetoresistance
Аннотация: We present a two-time of relaxation approach at an analysis of a magnetoresistance in ferromagnetic manganese perovskites La(1-x)(Ca,Sr)(x)MnO. To explain a change in the low-held response from predominantly quadratic dR/dH\(H-->0) = 0 for T > T(c) to linear dR/dH\(H-->0) for T < T(c) as noted in the measurements in thin films La(0.7)Ca(0.3)MnO(3) we calculated held and temperature dependences of a impurity contribution to a carrier mobility in a framework of the 2p(O)- and 3d(Mn)-scattering model elaborated for manganese perovskites. We obtained the field-dependent impurity contribution to the overall scattering of carriers that show a transition in the low-field (H) dependence of R from quadratic above T(c) to linear below consistent with an experiment. The calculated negative magnetoresistance ratio is sharply peaked at a temperature-near T(c) or below. (C) 1999 Elsevier Science B.V. All rights reserved.

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

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Гавричков, Владимир Александрович
}
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Shneyder, E. I.
Isotope effect in the model of strongly correlated electrons with the magnetic and phonon superconducting pairing mechanisms / E. I. Shneyder, S. G. Ovchinnikov // J. Exp. Theor. Phys. - 2009. - Vol. 109, Is. 6. - P. 1017-1021, DOI 10.1134/S1063776109120139. - Cited References: 42. - This study was financed under programs 5.7 and "Quantum Physics of Condensed Matter" of the Presidium of the Russian Academy of Sciences, integration project no. 40 of the Siberian Branch and Ural Division of the Russian Academy of Sciences, and the Russian Foundation for Basic Research (project no. 09-02-00127). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
CUPRATE SUPERCONDUCTORS
   PHASE-TRANSITIONS
   3-CENTER INTERACTIONS
   HUBBARD-MODEL
   TEMPERATURE
   LA2-XSRXCUO4
   SYMMETRY
   EXCHANGE
   COPPER
   BI2SR2CACU2O8+DELTA
Кл.слова (ненормированные):
Ab initio calculations -- Calculated values -- Cooper pairing -- Isotope effect -- Magnetic mechanisms -- Order of magnitude -- Pairing mechanism -- Phonon mechanism -- Strongly correlated electrons -- Superconducting pairing mechanism -- Superconducting state -- Type theory -- Carrier mobility -- Electron-phonon interactions -- Isotopes -- Superconductivity -- Superconducting magnets
Аннотация: Peculiarities of the temperature isotope effect in a BCS-type theory describing the exchange and phonon mechanisms of Cooper pairing in a system of strongly correlated electrons are considered. The electron-phonon interaction constant is determined from the fitting of the calculated value of the isotope-effect index to the observed value with the parameters of La(2 - x) Sr (x) CuO(4) obtained from ab initio calculations. The value of this constant indicates that the contribution from the traditional pairing mechanism to the superconducting state is of the same order of magnitude as the contribution from the magnetic mechanism.

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Публикация на русском языке Шнейдер, Елена Игоревна. Изотопический эффект в модели сильно коррелированных электронов, учитывающей магнитный и фононный механизмы сверхпроводящего спаривания [Текст] / Е. И. Шнейдер, С. Г. Овчинников // Журн. эксперим. и теор. физ. - 2009. - Т. 136 Вып. 6. - С. 1177-1182

Держатели документа:
[Shneyder, E. I.
Ovchinnikov, S. G.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Shneyder, E. I.] Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[Ovchinnikov, S. G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660014, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Шнейдер, Елена Игоревна; Presidium of the Russian Academy of Sciences [40]; Russian Academy of Sciences; Russian Foundation for Basic Research [09-02-00127]
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Study of molecular mobility in ABF6-center-dot-6H2O crystal family / E. P. Zeer, O. V. Falaleev, Y. N. Ivanov, E. A. Petrakovskaya // Fiz. Tverd. Tela. - 1994. - Vol. 36, Is. 8. - P. 2210-2220. - Cited References: 21 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
NMR
SYSTEM

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Доп.точки доступа:
Zeer, E. P.; Зеер, Эвальд Петрович; Falaleev, O. V.; Фалалеев, Олег Владимирович; Ivanov, Y. N.; Иванов, Юрий Николаевич; Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна
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TEMPERATURE-DEPENDENCE OF MOBILITY IN MAGNETIC SEMICONDUCTOR HGCR2SE4 / V. K. CHERNOV [и др.] // Fiz. Tverd. Tela. - 1986. - Vol. 28, Is. 1. - P. 289-291. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
CHERNOV, V. K.; GAVRICHKOV, V. A.; IVANOVA, N. B.; VEISIG, G. S.; BOYARSHINOV, Y. V.
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10.

SHAPIRO, V. E.
MOBILITY OF FERROMAGNETIC BODIES IN A RESONANT MAGNETIC-FIELD / V. E. SHAPIRO // Zhurnal Eksperimentalnoi Teor. Fiz. - 1984. - Vol. 87, Is. 1. - P. 241-249. - Cited References: 14 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

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