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Общее количество найденных документов : 15
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 1-10    11-15 
1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Berzhanskii V. N., Chernov V. K.
Заглавие : Photo-excited charge carrier mobility in magnetic p-type semiconductors on CDCR2SE4 bases
Место публикации : Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 10. - P.3179-3181. - ISSN 0367-3294
Примечания : Cited References: 8
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : SHAPIRO V. E.
Заглавие : MOBILITY OF FERROMAGNETIC BODIES IN A RESONANT MAGNETIC-FIELD
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1984. - Vol. 87, Is. 1. - P241-249. - ISSN 0044-4510
Примечания : Cited References: 14
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Voronov V. N., Aleksandrov K. S.
Заглавие : Steric factor effects on ionic mobility processes in perovskite-like structure compounds
Место публикации : Fiz. Tverd. Tela: Mezhdunarodnaya kniga, 1985. - Vol. 27, Is. 7. - P.1968-1976. - ISSN 0367-3294
Примечания : Cited References: 32
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : CHERNOV V. K., GAVRICHKOV V. A., IVANOVA N. B., VEISIG G. S., BOYARSHINOV Y. V.
Заглавие : TEMPERATURE-DEPENDENCE OF MOBILITY IN MAGNETIC SEMICONDUCTOR HGCR2SE4
Место публикации : Fiz. Tverd. Tela: MEZHDUNARODNAYA KNIGA, 1986. - Vol. 28, Is. 1. - P289-291. - ISSN 0367-3294
Примечания : Cited References: 8
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zeer E. P., Falaleev O. V., Ivanov Y. N., Petrakovskaya E. A.
Заглавие : Study of molecular mobility in ABF6-center-dot-6H2O crystal family
Место публикации : Fiz. Tverd. Tela. - 1994. - Vol. 36, Is. 8. - P.2210-2220. - ISSN 0367-3294
Примечания : Cited References: 21
Предметные рубрики: PHASE-TRANSITIONS
NMR
SYSTEM
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gavrichkov V. A., Ovchinnikov S. G.
Заглавие : An impurity resistivity of doped manganese perovskites
Место публикации : Physica B: ELSEVIER SCIENCE BV, 1999. - Vol. 259-61: International Conference on Strongly Correlated Electron Systems (SCES 98) (JUL 15-18, 1998, PARIS, FRANCE). - P828-830. - ISSN 0921-4526, DOI 10.1016/S0921-4526(98)00875-8
Примечания : Cited References: 4
Предметные рубрики:
Ключевые слова (''Своб.индексиров.''): 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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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ivanov Y. N., Sukhovskii A. A., Aleksandrova I. P., Totz J., Michel D.
Заглавие : Nuclear spin resonance study of the ion mobility in a KHSeO4 crystal
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2004. - Vol. 46, Is. 10. - P1845-1850. - ISSN 1063-7834, DOI 10.1134/1.1809417
Примечания : Cited References: 15
Предметные 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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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shneyder E. I., Ovchinnikov S. G.
Заглавие : Isotope effect in the model of strongly correlated electrons with the magnetic and phonon superconducting pairing mechanisms
Коллективы : Presidium of the Russian Academy of Sciences [40]; Russian Academy of Sciences; Russian Foundation for Basic Research [09-02-00127]
Место публикации : J. Exp. Theor. Phys. - 2009. - Vol. 109, Is. 6. - P.1017-1021. - ISSN 1063-7761, DOI 10.1134/S1063776109120139
Примечания : 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).
Предметные рубрики: CUPRATE SUPERCONDUCTORS
PHASE-TRANSITIONS
3-CENTER INTERACTIONS
HUBBARD-MODEL
TEMPERATURE
LA2-XSRXCUO4
SYMMETRY
EXCHANGE
COPPER
BI2SR2CACU2O8+DELTA
Ключевые слова (''Своб.индексиров.''): 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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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fedorov A. S., Fedorov D. A., Popov Z. I., Anan'eva Y. E., Eliseeva N. S., Kuzubov A. A.
Заглавие : Mobility of Vacancies under Deformation and Their Effect on the Elastic Properties of Graphene
Разночтения заглавия :авие SCOPUS: Mobility of vacancies under deformation and their effect on the elastic properties of graphene
Место публикации : J. Exp. Theor. Phys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2011. - Vol. 112, Is. 5. - P820-824. - ISSN 1063-7761, DOI 10.1134/S1063776111040042
Примечания : Cited References: 35
Предметные рубрики: WALLED CARBON NANOTUBES
INITIO MOLECULAR-DYNAMICS
AB-INITIO
GRAPHITE SURFACES
DEFECTS
IRRADIATION
HYDROGEN
POINTS
Ключевые слова (''Своб.индексиров.''): 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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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kuzubov A. A., Anan'eva Y. E., Fedorov A. S., Tomilin F. N., Krasnov P. O.
Заглавие : Quantum-chemical calculations on the stability and mobility of vacancies in graphene
Место публикации : Russ. J. Phys. Chem. A: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 86, Is. 7. - P.1088-1090. - ISSN 0036-0244, DOI 10.1134/S0036024412070126
Примечания : Cited References: 18
Предметные рубрики: INITIO MOLECULAR-DYNAMICS
TRANSITION
POINTS
METALS
LAYERS
Ключевые слова (''Своб.индексиров.''): 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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 1-10    11-15 
 

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