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 Найдено в других БД:Каталог книг и брошюр библиотеки ИФ СО РАН (116)Каталог журналов библиотеки ИФ СО РАН (6)
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Общее количество найденных документов : 61
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1.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zobov V. E., Moskvich Yu. N., Ponomarenko A. V.
Заглавие : Nonequidistant multipulse sequence for study of slow atomic motions in solids
Коллективы : Soviet-indian symposium on actual problems of magnetic resonance spectroscopy of inorganic materials, Академия наук СССР, Indian national academy of sciences, Академия наук Таджикской ССР
Место публикации : Proceedings of the 1st soviet-indian symposium on actual problems of magnetic resonance spectroscopy of inorganic materials. - Dushanbe, 1982. - P.204-205
Примечания : Библиогр.: 5
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : MOSKVICH Y. N., PONOMARENKO A. V., ZOBOV V. E.
Заглавие : MEASUREMENT OF SLOW MOTIONS IN SOLIDS WITH STRONG DIPOLE INTERACTION USING MULTIPULSE SEQUENCE
Место публикации : Phys. Lett. A: ELSEVIER SCIENCE BV, 1984. - Vol. 105, Is. 7. - P380-382. - ISSN 0375-9601, DOI 10.1016/0375-9601(84)90287-1
Примечания : Cited References: 12
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lundin A. G., Makarenko A. V., Zobov V. E.
Заглавие : The dipolar fluctuation spectrum and the shape of the wings of nuclear-magnetic-resonance absorption-spectra in solids
Место публикации : J. Phys.: Condens. Matter: IOP PUBLISHING LTD, 1990. - Vol. 2, Is. 50. - P.10131-10145. - ISSN 0953-8984, DOI 10.1088/0953-8984/2/50/017
Примечания : Cited References: 24
Предметные рубрики: CROSS RELAXATION
Аннотация: A theoretical approach providing the shape of the spectrum of dipolar fluctuations (Fourier transform of the longitudinal component of magnetization) and shape of the wings of NMR absorption in condensed matter has been elaborated. It is shown that the spectral contours are exponentials with the same decay constant. The results obtained explain for the first time the known experimental data and establish a connection between two groups of different experiments. The theoretical prediction is in good agreement with experimental results.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Deich L. I., Ignatchenko V. A.
Заглавие : Phonon spectroscopy of inhomogeneities in disordered solids
Разночтения заглавия :us: Phonon spectroscopy of inhomogeneties in disordered solids
Место публикации : Solid State Commun. - 1991. - Vol. 80, Is. 10. - P.881-884. - ISSN 0038-1098, DOI 10.1016/0038-1098(91)90525-Z
Примечания : Cited References: 15
Предметные рубрики: SPIN-WAVES
AMORPHOUS FILMS
DISPERSION
FERROMAGNETS
Аннотация: A possibility to use elastic waves for investigation of inhomogeneities corresponding in size to intermediate order in disordered solids is considered. It is shown that frequency dependencies of phase and group velocities of the elastic waves have some peculiarities which give the possibilities to find the characteristic size of inhomogenities and to determine the parameter of a matter whose fluctuations are most significant for the phenomena under study.
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Botvich A. N., Shkuryaev M. P., Vtyurin A. N.
Заглавие : Local electric-field effects and 2nd-harmonic generation in langmuir-blodgett-films
Коллективы : International conference on electrical and related properties of organic solids
Место публикации : Molecular crystals and liquid crystals science and technology : section A- Molecular crystals and liquid crystals. - 1993. - Vol. 230. - P.259-264. - ISSN 0140-6566
Примечания : Cited References: 8
Аннотация: Local electric field of light waves in Langmuir-Blodgett film is calculated, and its effect on optical second harmonic generation (SHG) is estimated. Strong dependence of SHG intensity on the film thickness is explained.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Deich L. I.
Заглавие : Far-infrared attenuation in glasses
Разночтения заглавия :авие SCOPUS: Far-infrared attenuation in glasses
Место публикации : Phys. Rev. B. - 1994. - Vol. 49, Is. 1. - P.109-113. - ISSN 0163-1829, DOI 10.1103/PhysRevB.49.109
Примечания : Cited References: 29
Предметные рубрики: VITREOUS SILICA
TEMPERATURE
MODEL
LOCALIZATION
ABSORPTION
SOLIDS
STATES
Аннотация: The influence of quasilocal vibrations on the far-infrared spectra of glasses is investigated under the supposition that the quasilocal vibrations are directly inactive in the attenuation. It is shown that taking into account phonon-quasilocal-vibration coupling and both medium- and short-range structure of the inhomogeneities of a photon-phonon coupling parameter can give rise to an attenuation curve similar to one observed for a-SiO2 and related materials.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Deich L. I.
Заглавие : Low-frequency raman-scattering in glasses
Разночтения заглавия :авие SCOPUS: Low-frequency Raman scattering in glasses
Место публикации : Phys. Rev. B. - 1995. - Vol. 51, Is. 13. - P.8131-8139. - ISSN 0163-1829, DOI 10.1103/PhysRevB.51.8131
Примечания : Cited References: 32
Предметные рубрики: AMORPHOUS SOLIDS
VITREOUS SILICA
THERMAL-CONDUCTIVITY
LIGHT-SCATTERING
TEMPERATURE
STATES
MODES
HEAT
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zobov V. E., Ivanov Y. N., Popov M. A., Livshits A. I.
Заглавие : Orientational dependence of the tails of dipole-broadened NMR spectra in crystals
Место публикации : J. Exp. Theor. Phys.: AMER INST PHYSICS, 1999. - Vol. 88, Is. 1. - P157-167. - ISSN 1063-7761, DOI 10.1134/1.558778
Примечания : Cited References: 36
Предметные рубрики: NUCLEAR-DOUBLE-RESONANCE
FLUCTUATION SPECTRUM
CROSS-RELAXATION
SOLIDS
DIFFUSION
MEMORY
SHAPE
Аннотация: This paper describes experimental and theoretical studies of the tails of the dipole-broadened nuclear magnetic resonance (NMR) absorption spectra of F-19 in isomorphic single crystals of BaF2 and CaF2 with the magnetic field directed along three crystallographic axes. The results obtained by directly measuring the derivative of the tail of the NMR absorption spectrum and the falloffs of the Engelsberg-Lowe free precession after Fourier transformation qualitatively agree. It is shown that the shape of the tail is well described by an exponential function in which the orientational dependence of the exponent does not reduce to variation of the second moment. The observed shape of the tail and the orientational dependence of its parameters are explained on the basis of a self-consistent fluctuating-local-field theory. Nonlinear integral equations are derived for the correlation functions, taking into account the changes of the actual number of nearest neighbors caused by the anisotropy of the dipole-dipole interaction and the contribution of lattice sums with loops. The equations are solved numerically. Good agreement is obtained for the computed dropoffs of the free precession, the NMR spectra, and the cross-polarization rates with the experimental results. (C) 1999 American Institute of Physics. [S1063-7761(99)02401-4].
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fedorov A. S.
Заглавие : Employment of curvilinear coordinates in ab initio calculations of insulators using pseudopotentials
Место публикации : Phys. Solid State: AMER INST PHYSICS, 1999. - Vol. 41, Is. 2. - P213-218. - ISSN 1063-7834, DOI 10.1134/1.1131090
Примечания : Cited References: 17
Предметные рубрики: ELECTRONIC-STRUCTURE CALCULATIONS
ALKALINE-EARTH OXIDES
HIGH-PRESSURE
FORMALISM
SOLIDS
Аннотация: The standard ab initio scheme for calculating the structure of crystals using nonlocal pseudopotentials is modified for use in curvilinear coordinates. A method for solving the Poisson equation for the Coulomb potential in a curved space in the k representation is found. It is shown in the example of calculations for crystals of insulators having an NaCl structure that the employment of a curved space permits a very significant decrease in the required size of the basis set. (C) 1999 American Institute of Physics. [S1063-7834(99)01102-8].
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Roessli B., Staub U., Amato A., Herlach D., Pattison P., Sablina K. A., Petrakovskii G. A.
Заглавие : Magnetic phase transitions in the double spin-chains compound LiCu2O2
Место публикации : Physica B. - 2001. - Vol. 296, Is. 4. - P.306-311. - ISSN 0921-4526, DOI 10.1016/S0921-4526(00)00574-3
Примечания : Cited References: 17
Предметные рубрики: ORDERED MOMENT
COPPER
CRYSTAL
LI2CUO2
Ключевые слова (''Своб.индексиров.''): muon-spin rotation--spin ladder--magnetic ordering--licu2o2--crystal structure--lithium compounds--magnetic anisotropy--magnetic field effects--magnetic relaxation--magnetization--order disorder transitions--specific heat of solids--x ray diffraction analysis--anisotropic line broadening--muon spin rotation--spin ladder--antiferromagnetic materials
Аннотация: We report high-resolution X-ray diffraction, muon-spin-rotation spectroscopic and specific heat measurements in the double spin-chains compound LiCu2O2. The X-ray diffraction results show that the crystal structure of LiCu2O2 is orthorhombic down to T = 10 K. Anisotropic line-broadening of the diffraction peaks is observed, indicating disorder along the spin chains. Muon-spin relaxation and specific heat measurements show that LiCu2O2 undergoes a phase transition to a magnetic ordered state at T-1 similar to 24 K. The specific heat data exhibits a second lambda -like peak at T-2 similar to 32.5 K, which increases with increasing magnetic field in a similar way to that found in spin-ladder compounds. (C) 2001 Elsevier Science B.V. All rights reserved.
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