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Каталог книг и брошюр библиотеки ИФ СО РАН

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aplesnin S. S., Udod L. V., Sitnikov M. N., Velikanov D. A., Gorev M. V., Molokeev M. S., Galyas A. I., Yanushkevich K. I.
Заглавие : Magnetic and electrical properties of bismuth cobaltite Bi24(CoBi)O40 with charge ordering
Место публикации : Phys. Solid State. - 2012. - Vol. 54, Is. 10. - P.2005-2014. - ISSN 1063-7834, DOI 10.1134/S106378341210006X
Примечания : Cited References: 22. - This study was supported by the Russian Foundation for Basic Research (project nos. 09-02-92001-NNS_a, 12-02-00125-a, and 11-02-98004-r_sibir'_a)
Предметные рубрики: Thermoelectric-power
Co3O4
Conductivity
Transition
Аннотация: The compound Bi24(CoBi)O40 has been synthesized using the solid-phase reaction method. The temperature and field dependences of the magnetic moment in the temperature range 4 K T 300 K and the temperature dependences of the EPR line width and g-factor at temperatures 80 K T 300 K have been investigated. The electrical resistivity and thermoelectric power have been measured in the temperature range 100 K T 1000 K. The activation energy has been determined and the crossover of the thermoelectric power from the phonon mechanism to the electron mechanism with variations in the temperature has been observed. The thermal expansion coefficient of the samples has been measured in the temperature range 300 K T 1000 K and the qualitative agreement with the temperature behavior of the electrical resistivity has been achieved. The electrical and structural properties of the compound have been explained in the framework of the model of the electronic-structure transition with inclusion of the exchange and Coulomb interactions between electrons and the electron-phonon interaction.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Cherepakhin A. V., Zaitsev A. I., Aleksandrovsky A. S., Zamkov A. V.
Заглавие : Optical and nonlinear optical properties of orthorhombic BiB3O6
Место публикации : Opt. Mater.: Elsevier Science BV, 2012. - Vol. 34, Is. 5. - P.790-792. - ISSN 0925-3467, DOI 10.1016/j.optmat.2011.11.004
Примечания : Cited References: 13. - The work was supported by Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150), Grant of President of Russian Federation for support of leading scientific schools No. SS-4645.2010.2, Grant No. RNP.2.1.1.3455, Project 3.9.1 of PSB RAS, and Projects No. 27.1 and No. 5 of SB RAS.
Предметные рубрики: BISMUTH BORATE BIB3O6
CRYSTAL
LASER
GENERATION
GROWTH
BIBO
Ключевые слова (''Своб.индексиров.''): orthorhombic bismuth triborate delta-bibo--refractive indices--nonlinear optical coefficients--nonlinear optical materials--phase matching
Аннотация: Dispersion of refraction coefficients of orthorhombic BiB3O6 in the wavelength range between 435.8 and 1060 nm is studied, nonlinear optical coefficients are determined, and phase matching angles, angular and spectral bandwidths for second harmonic generation processes are calculated. delta-BiBO may be suitable for doubling of lasers with a wavelength in the 1.3 mu m region as well as the matrix for self-doubling lasing media. (C) 2011 Elsevier B.V. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vasiliev A. D., Golovnev N. N.
Заглавие : Crystal structure of hexakis(thiourea)-bis((μ-perchlorato-O,O')- (perchlorato-O)-bismuth) diperchlorate
Место публикации : Russ. J. Coordin. Chem. - 2013. - Vol. 39, Is. 2. - P.161-164. - ISSN 1070-3284, DOI 10.1134/S1070328413020097
Ключевые слова (''Своб.индексиров.''): crystallographic data--hydrogen atoms--hydrogen bond networks--ir and raman spectroscopy--space groups--sulfur atoms--atoms--complex networks--hydrogen bonds--raman spectroscopy--single crystals--x ray diffraction--thioureas
Аннотация: The complex[Bi2(Tu)6(ClO4) 4](ClO4)2 (I) (Tu is thiourea) was synthesized and studied by X-ray diffraction. The crystallographic data of I are: a = 14.205(1) A, b = 13.083(1) A, c = 22.078(2) A, ? = 96.182(1), V = 4079.1(7) A3, space group C2/c, Z = 4. The molecule is located on a twofold axis and consists of the binuclear cation [Bi2(Tu)6(ClO4)4]2+ and two outer-sphere anions Cl 4 -. The Bi-S bond lengths are 2.61-2.62 A. For each terminal and bridging ClO 4 - ion, one Bi-O distance varies from 2.744 to 3.048 3.269 structure contains a hydrogen bond network involving all hydrogen atoms. The IR and Raman spectroscopy data confirm the thiourea coordination by the sulfur atom. В© 2013 Pleiades Publishing, Ltd.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Patrin K. G., Yakovchuk V.Yu., Patrin G. S., Yarikov S. A.
Заглавие : Magnetism and magnetoresistance in NiFe/Bi/NiFe films
Коллективы : Moscow International Symposium on Magnetism
Место публикации : Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P.439-442. - ISBN 1012-0394, DOI 10.4028/www.scientific.net/SSP.190.439. - ISBN 9783037854365
Ключевые слова (''Своб.индексиров.''): antiferromagnetic interaction--bi spacer--hysteresis loop--interlayer coupling--magnetization--magnetoresistance--permalloy--trilayer films--antiferro-magnetic interactions--giant magnetoresistive--interlayer coupling--interlayer interactions--permalloy--spacer thickness--squid magnetometry--trilayer film--trilayers--antiferromagnetism--bismuth--giant magnetoresistance--hysteresis loops--magnetic materials--magnetic resonance--magnetization--magnetoresistance--electric resistance
Аннотация: Interlayer interactions in FeNi/Bi/FeNi trilayers have been experimentally studied. Based on the data of SQUID magnetometry and magnetic resonance investigations, it is shown that the interlayer interaction is determined by a bismuth spacer thickness and temperature. The giant magnetoresistive effect in the trilayer films has been discovered. В© (2012) Trans Tech Publications.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Malakhovskii A. V., Sukhachev A. L., Zaitsev A. I., Aleksandrovsky A. S., Jubera V.
Заглавие : Spectroscopic properties of Nd3+ in orthorhombic δ-BiB3O6 crystal
Место публикации : Opt. Mater.: ELSEVIER SCIENCE BV, 2012. - Vol. 34, Is. 11. - P.1839-1842. - ISSN 0925-3467, DOI 10.1016/j.optmat.2012.05.016
Примечания : Cited References: 23. - The work was supported by Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150), by Russian Foundation for Basic Researches Grant 12-02-00026, Grant of President of Russian Federation for support of leading scientific schools No. SS-4828.2012.2, Grant No. SFU.F12, and Projects No. 28, 43 and No. 101 of SB RAS.
Предметные рубрики: SPECTRAL-LINE INTENSITIES
RARE-EARTH IONS
LASER CRYSTAL
NdAl3(BO3)(4) NAB
OPTICAL-SPECTRA
BiB3O6
SYSTEMS
GROWTH
Er3+
Tm3+
Ключевые слова (''Своб.индексиров.''): neodymium--orthorhombic bismuth triborate--absorption--judd-ofelt analysis
Аннотация: Absorption spectra of the Nd3+ ions in an orthorhombic δ-BiB3O6 single crystal were measured in the spectral range 11,000-20,500 cm-1. The f-f transition intensities were analyzed in terms of the Judd-Ofelt theory, and the following parameters of the theory were obtained: Ω2 = 6.35 × 10-20 cm2, Ω4 = 4.86 × 10-20 cm 2, and Ω6 = 11.233 × 10-20 cm 2. The strengths, spontaneous emission probabilities, branching ratios, spectroscopic quality factor and excited state radiative lifetime were calculated for laser transitions from the 4F3/2 state to 4IJ manifold. Spectroscopic properties of Nd 3+:δ-BiB3O6 crystal favor lasing at 1.3 μm, where this crystal possesses near non-critical phase matching for second harmonic generation. © 2012 Elsevier B.V. All rights reserved.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Melnikova S. V., Isaenko L. I.
Заглавие : Linear optical properties of γ-modification of bismuth borate BiB3O6
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 54, Is. 10. - P.1966-1969. - ISSN 1063-7834, DOI 10.1134/S1063783412100228
Примечания : Cited References: 9. - This study was supported by the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools of the Russian Federation (grant no. NSh-4828.2012.2) and the Siberian Branch of the Russian Academy of Science (integration project no. 28).
Предметные рубрики: GROWTH
Аннотация: The refractive index dispersion of the γ-BiB3O6 crystal in the wavelength range 0.43–0.81 μm has been measured. It has been shown that the principal refractive indices n 1, n 2, and n 3 are on average higher than those of α-BiB3O6, but are slightly lower than those of δ-BiB3O6. The temperature dependences of the rotation angle φ(T) of the optical indicatrix and birefringence Δn 2(T) = (n 1 − n 3)(T) have been studied in the temperature range 100–963 K. It has been shown that the γ-BiB3O6 crystal is stable in this temperature region.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Patrin G. S., Yakovchuk V.Yu., Velikanov D. A., Patrin K. G., Yarikov S. A.
Заглавие : Interlayer interactions in FeNi/Bi/FeNi trilayers
Место публикации : Bull. Russ. Acad. Sci.: Phys.: Allerton Press, 2012. - Vol. 76, Is. 2. - P.177-179. - ISSN 1062-8738
Примечания : Cited References: 5. - This study was supported by the Russian Foundation for Basic Research, project no. 110200675a.
Ключевые слова (''Своб.индексиров.''): giant magnetoresistance effect--interlayer interactions--spacer thickness--squid magnetometry--trilayers--magnetic resonance--bismuth
Аннотация: Interlayer interactions in FeNi/Bi/FeNi films are studied experimentally. It is established by SQUID magnetometry and magnetic resonance investigations that the interlayer interaction in these films is determined by the bismuth spacer thickness and temperature. A giant magnetoresistance effect is observed in the investigated trilayers. © 2012 Allerton Press, Inc.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vasil'ev A. D., Golovnev N. N., Leshok A. A.
Заглавие : Crystal structure of hexakis-(N-methylthiourea) bismuth(III) triperchlorate
Место публикации : Russ. J. Inorg. Chem.: MAIK Nauka-Interperiodica / Springer, 2012. - Vol. 57, Is. 4. - P.525-527. - ISSN 0036-0236, DOI 10.1134/S0036023612040250
Примечания : Cited References: 12
Предметные рубрики: THIOUREAS
Аннотация: A bismuth(III) complex of N-methylthiourea (Mtu, C2H6N2S) [Bi(C2H6N2S)6](ClO4)3 has been synthesized, and its crystal structure has been determined. The structure is built of octahedral Bi(Mtu) 6 3+ cations and ClO 4 − anions. Sulfur atoms are coordinated to bismuth(III) (at axis 2) at octahedron vertices (Bi-S, 2.7670(8), 2.8142(8), and 2.8315(8) Å); angles SBiS vary from 82.26(3)° to 96.13(2)°. The presence of amino groups and oxygen atoms in the structure results in the emergence of numerous hydrogen bonds (HBs). All H atoms of amino groups are involved in HBs; one of them is bound to the sulfur atom. One of the oxygen atoms of ClO 4 − anions does not participate in HBs.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Balaev D. A., Gokhfeld D. M., Popkov S. I., Shaikhutdinov K. A., Klinkova L. A., Zherikhina L. N., Tsvokhrebov A. M.
Заглавие : Increase in the magnetization loop width in the Ba0.6K0.4BiO3 superconductor: Possible manifestation of phase separation
Место публикации : J. Exp. Theor. Phys.: MAIK Nauka-Interperiodica / Springer, 2014. - Vol. 118, Is. 1. - P.104-110. - ISSN 1063-7761, DOI 10.1134/S1063776114010038. - ISSN 1090-6509
Примечания : Cited References: 39
Предметные рубрики: (K,BA)BIO3 SINGLE-CRYSTALS
II SUPERCONDUCTORS
BISMUTH-OXIDE
PEAK
DENSITY
TC
Аннотация: The magnetization of Ba0.6K0.4BiO3 samples in fields up to 90 kOe in the temperature range from 2 to 30 K is investigated. It is shown that the observed increase in the width of the magnetization loop can be explained by a decrease in the phase nonuniformity upon an increase in the magnetic field. The asymmetric hysteretic dependence of magnetization with the secondary peak was successfully described by the extended critical state model taking into account the phase separation in the superconductor.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Udod L. V., Aplesnin S. S., Sitnikov M. N., Molokeev M. S.
Заглавие : Dielectric and electrical properties of polymorphic bismuth pyrostannate Bi2Sn2O7
Коллективы : Russian Foundation for Basic Research [09-02-00125-a, 14-02-92003 NNS_a, 14-02-90010_Bel_a, 14-12-00124]
Место публикации : Phys. Solid State: MAIK Nauka-Interperiodica / Springer, 2014. - Vol. 56, Is. 7. - P.1315-1319. - ISSN 1063-7834, DOI 10.1134/S1063783414070336. - ISSN 1090-6460
Примечания : Cited References: 20. - This study was supported by the Russian Foundation for Basic Research (project nos. 09-02-00125-a, 14-02-92003 NNS_a, 14-02-90010_Bel_a, and 14-12-00124).
Предметные рубрики: STRONG MAGNETIC-FIELD
DOPED MANGANITES
MAGNETORESISTANCE
Bi2O3
Аннотация: The Bi2Sn2O7 compound existing simultaneously in two polymorphic modifications, namely, orthorhombic and cubic, has been synthesized for the first time by solid-phase synthesis. The dielectric and electrical properties of the compound have been studied in the temperature range 100 K ˂ T ˂ 500 K. Anomalies in the temperature dependences of the electrical resistivity and the permittivity (imaginary and real parts) have been found at both low and high temperatures. These features are explained in terms of the model of martensitic phase transitions.
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