Библиотека института физики им. Л.В. Киренского СО РАН

Главная

Базы данных

Труды сотрудников ИФ СО РАН - результаты поиска

Вид поиска

Каталог книг и брошюр библиотеки ИФ СО РАН

Каталог журналов библиотеки ИФ СО РАН

Труды сотрудников ИФ СО РАН

Область поиска

Формат представления найденных документов:
полный	информационный	краткий

Отсортировать найденные документы по:
автору	заглавию	году издания	типу документа

Поисковый запрос: (<.>S=CHAINS<.>)

Общее количество найденных документов : 8
Показаны документы с 1 по 8

Gurevich, Y. L.
Self-assembly of superparamagnetic ferrihydrite nanoparticles / Y. L. Gurevich, Yu. I. Mankov, R. G. Khlebopros // Dokl. Phys. - 2013. - Vol. 58, Is. 11. - P. 478-481, DOI 10.1134/S1028335813110104. - Cited References: 15. - This work was supported by the Russian Foundation for Basic Research, project nos. 08-08-00427_a and 10-08-00278_a, and by the Siberian Branch, Russian Academy of Sciences, Integration project no. 21. . - ISSN 1028-3358

РУБ Mechanics + Physics, Multidisciplinary
Рубрики:
CHAINS
CLUSTERS
Аннотация: A study was conducted to estimate the possibility of formation of chains of superparamagnetic nanoparticles of iron oxyhydroxides synthesized in a bacteria culture. The self-assembly of biogenic nanoparticles distinguished by low values of magnetization and small sizes is assumed to proceed due to the forces of magnetic dipole dipole interaction as an initial mechanism of aggregation and exchange-interaction forces, which provide the stability of chains. The microphotographs demonstrate the self-assembly of anisotropic cobalt-doped ferrihydrite nanoparticles in aggregates of ellipsoidal shape with sizes of about 550 × 300 nm and a platelike shape of 50-100 nm thick. The aggregates, in turn, are combined from blocks, which include a restricted number of nanoparticles of about 5 nm in diameter and have the shape of rods of 50-100 × 12 nm in size. The energy of degaussing fields of chains is reasonably high, which forces them to form two and three dimensional structures in which the compensation of such fields is provided.

WOS,
Смотреть статью,
WOS,
Читать в сети ИФ

Публикация на русском языке Самосборка суперпарамагнитных наночастиц ферригидрита. - [S. l. : s. n.]

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia;

Доп.точки доступа:
Mankov, Yu.I.; Маньков, Юрий Иннокентьевич; Khlebopros, R. G.; Хлебопрос, Рэм Григорьевич; Russian Foundation for Basic Research [08-08-00427_a, 10-08-00278_a]; Siberian Branch, Russian Academy of Sciences, Integration project [21]
}
Найти похожие

Crystal structures of new potassium silicates and aluminosilicates of Sm, Tb, Gd, and Yb and their relation to the armstrongite (CaZr(Si6O15)·3H2O) structure / V. K. Taroev [et al.] // J. Solid State Chem. - 2015. - Vol. 227. - P. 196-203, DOI 10.1016/j.jssc.2015.03.004. - Cited References:27. - We appreciate the financial support by the Russian Fund of Basic Research under grant 10-05-00344-a. We thank the two anonymous reviewers for their helpful comments and suggestions and Ms. Schroeder (KIT-PKM) for improving the English of the manuscript. . - ISSN 0022. - ISSN 1095-726X. -

РУБ Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
BOND-VALENCE PARAMETERS
CHAINS
SYSTEM
Кл.слова (ненормированные):
Hydrothermal synthesis -- REE-potassium silicates -- X-ray diffraction -- Crystal structure refinement
Аннотация: Silicates of composition K7.81Sm3Si12O32(OH)0.81·0.77H2O and K7Tb3Si12O32·1.36H2O, with the space group P 1 ¯ and unit cell parameters of a=6.9218(3), b=11.4653(4), c=11.6215(4) Å, α=88.063(3)°, β=88.449(3)°, γ=79.266(3)° and a=6.872(3), b=11.440(5), c=11.542(6) Å, α=88.19(4)°, β=88.86(4)°, γ=79.65(4)°, respectively, were synthesized under hydrothermal conditions. Both crystal structures were determined from twinned crystals, and can be idealized to a composition of K7Ln3Si12O32 (KOH)x(H2O)(2−x) (Ln=Sm, Tb), which is closely related to K8Nd3Si12O32(OH). Crystals of the aluminosilicates K2GdAlSi4O12·0.25H2O and K2SmAlSi4O12·0.375H2O prepared by the same method possess monoclinic symmetry with the space group C2/c. The corresponding unit cell parameters are: a=26.67(1), b=7.294(3), c=14.835(6) Å, β=123.44(3)°; and a=26.7406(9), b=7.3288(2), c=14.8498 (6) Å, β=123.514(1)°, respectively. A new type of silicate anion that forms tubes was detected in the K4Yb2Si8O21 structure. K4Yb2Si8O21 is of monoclinic symmetry with the space group C2/c. The unit cell parameters are: a=17.440(2), b=11.786(1), c=12.802 (2) Å, and β=130.902(1)°. The structure is a mixed framework of tubes formed by silica-oxygen tetrahedra connected by pairs of edge sharing Yb-octahedra. The relation of the silicate layers and frameworks encountered in these compounds to the armstrongite silicate framework is discussed.

Смотреть статью,
Scopus,
WOS,
Читать в сети ИФ
Держатели документа:
RAS, Ap Vinogradov Geochem Inst, Siberian Branch, Irkutsk 664033, Russia
Natl Res Irkutsk State Tech Univ, Irkutsk 664054, Russia
RAS, Inst Earth Crust, Siberian Branch, Irkutsk 664054, Russia
Univ Hamburg, Mineral Petrog Inst, D-20146 Hamburg, Germany
Karlsruhe Inst Technol, ANKA Synchrotron Radiat Facil, D-76344 Eggenstein Leopoldshafen, Germany
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Taroev, V. K.; Kashaev, A. A.; Malcherek, T.; Goettlicher, J.; Kaneva, E. V.; Vasiljev, A. D.; Васильев, Александр Дмитриевич; Suvorova, L. F.; Suvorova, D. S.; Tauson, V. L.; Russian Fund of Basic Research [10-05-00344-a]
}
Найти похожие

Magnetic structure and magnetic excitations in the two-dimensional spin system of the Cu3B2O6 compound / G. A. Petrakovskii [et al.] // Phys. Solid State. - 2007. - Vol. 49, Is. 7. - P. 1315-1320, DOI 10.1134/S1063783407070207. - Cited References: 21 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
LONG-RANGE ORDER
   HEISENBERG-MODEL
   GROUND-STATE
   GAP
   ANTIFERROMAGNET
   SRCU2(BO3)(2)
   CUGEO3
   CHAINS
   CAV4O9
Аннотация: This paper reports on the results of measurements of the magnetic susceptibility, heat capacity, neutron scattering, muon spin relaxation, and electron paramagnetic resonance in Cu3B2O6 for the study of the ground state of the spin system of this compound. The results obtained suggest that, at a temperature of 10 K, the spin subsystem of the crystal, which consists of single spins and clusters of pairs and fours of spins interacting with one another, undergoes a transition to a state representing a superposition of the singlet (for clusters) and magnetically ordered (for single spins) states.

WOS,
Scopus,
Читать в сети ИФ
Держатели документа:
LV Kirenskii Inst Phys, Siberian Div, Russian Acad Sci, Krasnoyarsk 660036, Russia
Paul Scherrer Inst, Villigen, Switzerland
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Paul-Scherrer Institute, Villigen, Switzerland
Institute of Physics, Polish Academy of Sciences, Warsaw 02-668, Poland

Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Popov, M. A.; Schefer, J.; Neidermayer, C.; Aleshkevich, P.; Szymczak, R.
}
Найти похожие

Magnetic and electrical properties of Fe1.91V0.09BO4 warwickite / A. D. Balaev [et al.] // J. Exp. Theor. Phys. - 2003. - Vol. 97, Is. 5. - P. 989-995, DOI 10.1134/1.1633954. - Cited References: 22. - This study was supported in part by the Russian Foundation for Basic Research (project no. 03-02-16286) and by the Federal Program “Integration” (project no. B0017) . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ELECTRONIC-STRUCTURE
   CRYSTAL-STRUCTURE
   FE2OBO3
   CHAINS
   FE2BO4
   FEBO3
Кл.слова (ненормированные):
Electric conductivity -- Magnetic variables measurement -- Magnetization -- Single crystals -- Hopping conductivity -- Warwickite -- Iron compounds
Аннотация: We have performed a complex investigation of the structure and the magnetic and electrical properties of a warwickite single crystal with the composition Fe1.91V0.09BO4 . The results of Mossbauer measurements at T = 300 K indicate that there exist "localized" (Fe2+, Fe3+) and "delocalized" (Fe2.5+) states distributed over two crystallographically nonequivalent positions. The results of magnetic measurements show that warwickite is a P-type ferrimagnet below T = 130 K. The material exhibits hopping conductivity involving strongly interacting electrons. The experimental data are analyzed in comparison to the properties of the initial (unsubstituted) Fe2BO4 warwickite. The entire body of data on the electric conductivity and magnetization are interpreted on a qualitative basis. (C) 2003 MAIK "Nauka / Interperiodica".

WOS,
Scopus,
РИНЦ,
Смотреть статью,
Читать в сети ИФ

Публикация на русском языке Магнитные и электрические свойства варвикита Fe[1.91]V[0.09]BO[4] [Текст] / А. Д. Балаев [и др.] // Журн. эксперим. и теор. физ. - 2003. - Т. 124 Вып. 5. - С. 1103-1111

Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
Univ Cologne, Inst Phys 2, D-50937 Cologne, Germany
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Technical University, Krasnoyarsk, 660074, Russian Federation
Physikalisches Institut II, Universitat zu Koln, 50937 Koln, Germany

Доп.точки доступа:
Balaev, A. D.; Балаев, Александр Дмитриевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Ivanova, N. B.; Иванова, Наталья Борисовна; Kazak, N. V.; Казак, Наталья Валерьевна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Abd-Elmeguid, M. M.; Rudenko, V. V.; Руденко, Валерий Васильевич
}
Найти похожие

Elastic and inelastic neutron study of CuGeO3 / B. Roessli [et al.] // J. Phys.: Condens. Matter. - 1994. - Vol. 6, Is. 41. - P. 8469-8477, DOI 10.1088/0953-8984/6/41/009. - Cited References: 18 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
SPIN-PEIERLS TRANSITION
CHAINS
Аннотация: Elastic and inelastic neutron scattering was used to probe the structural and magnetic properties of polycrystalline CuGeO3. The diffraction data show that the chemical lattice remains stable in the measured temperature range 1.5 K less-than-or-equal-to T less-than-or-equal-to 296 K. At low temperature the inelastic experiments revealed a well defined magnetic excitation at 15 meV, which persists up to T = 50 K. The analysis of the spin-wave spectrum is based on a one-dimensional Heisenberg model within the spin-wave theory. On the other hand, no evidence of energy-gap opening, which would result from a dimerization of the Cu chains, could be found at low temperature.

WOS
Держатели документа:
PAUL SCHERRER INST,CH-5232 VILLIGEN,SWITZERLAND
ACAD SCI,KRASNOYARSK 660036,RUSSIA
BROOKHAVEN NATL LAB,DEPT PHYS,UPTON,NY 11973
ETH ZURICH,NEUTRON SCATTERING LAB,CH-5232 VILLIGEN,SWITZERLAND
КНЦ СО РАН

Доп.точки доступа:
Roessli, B.; Fischer, P.; Schefer, J.; Buhrer, W.; Furrer, A.; Vogt, T.; Petrakovskii, G. A.; Петраковский, Герман Антонович; Sablina, K. A.; Саблина, Клара Александровна
}
Найти похожие

Martynov, S. N.
The incommensurate magnetic structure of a tetragonal antiferromagnet with antisymmetric exchange / S. N. Martynov // J. Exp. Theor. Phys. - 2009. - Vol. 109, Is. 6. - P. 979-988, DOI 10.1134/S1063776109120097. - Cited References: 34 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
FLUCTUATION-INDUCED PHASE
   FIELD-INDUCED GAP
   COPPER METABORATE
   WEAK FERROMAGNETISM
   SOLITON LATTICE
   SPIN-WAVES
   CUB2O4
   BA2CUGE2O7
   CSCUCL3
   CHAINS
Кл.слова (ненормированные):
Anti-symmetric -- Antiferromagnetic sublattices -- Antiferromagnets -- Antisymmetric exchange -- Exchange bonds -- Ferromagnetic component -- Ferromagnetic moments -- Ginzburg-Landau functional -- Incommensurate magnetic structures -- Mean field approximation -- Modulation vectors -- Polarization planes -- Polarization vectors -- Symmetry groups -- Antiferromagnetic materials -- Antiferromagnetism -- Crystal orientation -- Crystal symmetry -- Ferromagnetic materials -- Ferromagnetism -- Magnetic devices -- Magnetic structure -- Modulation -- Polarization -- Vector spaces -- Vectors -- Crystallography
Аннотация: Analysis of the incommensurate magnetic structure that emerges for two coexisting types of the antisymmetric Dzyaloshinski-Moriya exchange interaction (the weakly ferromagnetic component of vector D along the tetragonal axis and the helicoidal component distributed in the tetragonal plane) is carried out for the first time for a tetragonal antiferromagnet. The helicoidal component for each pair of interacting spins has a 2D distribution; its direction in the tetragonal plane depends on the direction of the exchange bond in each pair. The Lifshits invariant of the Ginzburg-Landau functional is obtained, which is responsible for the formation of an incommensurate magnetic structure for such a distribution. It is shown in the mean field approximation that the incommensurate magnetic structure that forms in this case is a nonlinear double helicoid with a modulation vector lying in the tetragonal plane and with a varying angle between the polarization planes of quasi-antiferromagnetic sublattices. The ground state of the magnet is degenerate in the orientation of the modulation vector in the tetragonal plane. The rate of variation in the orientations of moments in the polarization planes passing through the tetragonal axis is controlled by the angle between the directions of the moments and the tetragonal axis. The local weakly ferromagnetic moment remaining in the polarization plane varies in magnitude and sign. The relation between the orientations of the modulation and polarization vectors is derived for the cases of simple and inversion tetragonal axes in the space symmetry group of the crystal.

WOS,
Scopus,
Читать в сети ИФ
Держатели документа:
Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Мартынов, Сергей Николаевич
}
Найти похожие

Aplesnin, S. S.
The study of magnetic properties of the quasi-one-dimensianal spin-1/2 antiferromagnet by Monte-Carlo method / S. S. Aplesnin // Phys. Low-Dimens. Struct. - 2000. - Vol. 07.08.2013. - P. 37-46. - Cited References: 15 . - ISSN 0204-3467

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
ONE-DIMENSIONAL ANTIFERROMAGNETS
   SYSTEMS
   CHAINS
   CA2CUO3
Аннотация: The thermodynamic quantities, two- and four-spin correlation functions as well as the correlation radius for weakly coupled antiferromagnetic spin chains with S = 1/2 are calculated using the mean-field approximation for the interchain coupling (J(2)) for longitudinal and transverse spin components by quantum Monte Carlo method. Results for the staggered magnetization and Neel temperature are in agreement with general scaling arguments. The value of triplet DeltaS(z) =1 gp in the spectrum of excitations is estimated. The transverse staggered field was found to induce an additional maximum in the correlation radius of the four spin correlation function around T/J(1) approximate to [0.05 divided by 0.075), J(2)/J(1) 0.03.

WOS
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
Найти похожие

Bulgakov, E. N.
Light guiding above the light line in arrays of dielectric nanospheres / E. N. Bulgakov, D. N. Maksimov // Opt. Lett. - 2016. - Vol. 41, Is. 16. - P. 3888-3891, DOI 10.1364/OL.41.003888. - Cited References: 46. - Russian Foundation for Basic Research (RFBR) (16-02-00314). . - ISSN 0146-9592

РУБ Optics
Рубрики:
SUBWAVELENGTH WAVE-GUIDES
   OPTICAL MODES
   NANOPARTICLES
   CHAINS
   RESONANCES
   PARTICLES
   SPHERES
Аннотация: We consider light propagation above the light line in arrays of spherical dielectric nanoparticles. It is demonstrated numerically that quasi-bound leaky modes of the array can propagate both stationary waves and light pulses to a distance of 60 wavelengths at the frequencies close to the bound states in the radiation continuum. A semi-analytical estimate for decay rates of the guided waves is found to match the numerical data to a good accuracy. © 2016 Optical Society of America.

Смотреть статью,
Scopus,
WOS,
Читать в сети ИФ
Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Булгаков, Евгений Николаевич
}
Найти похожие