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1.
Magnetic and electrical
properties of
bismuth
cobaltite Bi24(CoBi)O40 with charge ordering / S. S. Aplesnin [и др.]> // Phys. Solid State. - 2012. -
Vol. 54
,
Is. 10
. - P. 2005-2014,
DOI
10.1134/S106378341210006X. - 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) . - ISSN 1063-7834
РУБ
Physics + Condensed Matter
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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Публикация на русском языке
Магнитные и электрические свойства кобальтита висмута Bi24(CoBi)O40 с зарядовым упорядочением [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 10. - С. 1882-1890
Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Galyas, A. I.; Yanushkevich, K. I.
}
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2.
Optical and nonlinear
optical properties of orthorhombic BiB3O6 / A. V. Cherepakhin [et al.]> // Opt. Mater. - 2012. -
Vol. 34
,
Is. 5
. - P. 790-792,
DOI
10.1016/j.optmat.2011.11.004. - 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. . - ISSN 0925-3467
РУБ
Materials Science, Multidisciplinary + Optics
Рубрики:
BISMUTH
BORATE BIB3O6
CRYSTAL
LASER
GENERATION
GROWTH
BIBO
Кл.слова (ненормированные):
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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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia
Доп.точки доступа:
Cherepakhin, A. V.; Черепахин, Александр Владимирович; Zaitsev, A. I.; Зайцев, Александр Иванович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zamkov, A. V.; Замков, Анатолий Васильевич
}
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3.
Vasiliev, A. D.
Crystal structure of hexakis(thiourea)-bis((μ-perchlorato-O,O')- (perchlorato-O)-
bismuth
) diperchlorate / A. D. Vasiliev, N. N. Golovnev> // Russ. J. Coordin. Chem. - 2013. -
Vol. 39
,
Is. 2
. - P. 161-164,
DOI
10.1134/S1070328413020097 . - ISSN 1070-3284
Кл.слова (ненормированные):
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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Публикация на русском языке
Васильев, Александр Дмитриевич. Кристаллическая структура диперхлората гексакис(тиомоче-вина)-бис((μ-перхлорато-О,О′)-(перхлрато-О)-висмута) [Текст] / А. Д. Васильев, Н. Н. Головнёв // Координ. химия. - 2013. - Т. 39 № 2. - С. 71-74
Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk, Russia
Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Васильев, Александр Дмитриевич
}
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4.
Magnetism and magnetoresistance
in NiFe/Bi/NiFe films / K. G. Patrin [et al.]> // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. -
Vol. 190
. - P. 439-442,
DOI
10.4028/www.scientific.net/SSP.190.439 . - ISBN 1012-0394. - ISBN 9783037854365
Кл.слова (ненормированные):
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.
Scopus
Доп.точки доступа:
Patrin, K. G.; Патрин, Константин Геннадьевич; Yakovchuk, V.Yu.; Яковчук, Виктор Юрьевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Yarikov, S. A.; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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5.
Spectroscopic properties of
Nd3+ in orthorhombic δ-BiB3O6 crystal / D. A. Ikonnikov [et al.]> // Opt. Mater. - 2012. -
Vol. 34
,
Is. 11
. - P. 1839-1842,
DOI
10.1016/j.optmat.2012.05.016. - 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. . - ISSN 0925-3467
РУБ
Materials Science, Multidisciplinary + Optics
Рубрики:
SPECTRAL-LINE INTENSITIES
RARE-EARTH IONS
LASER CRYSTAL
NdAl3(BO3)(4) NAB
OPTICAL-SPECTRA
BiB3O6
SYSTEMS
GROWTH
Er3+
Tm3+
Кл.слова (ненормированные):
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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Держатели документа:
[Malakhovskii, A. V.
Sukhachev, A. L.
Zaitsev, A. I.
Aleksandrovsky, A. S.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Ikonnikov, D. A.
Zaitsev, A. I.
Aleksandrovsky, A. S.] Siberian Fed Univ, Krasnoyarsk, Russia
[Jubera, V.] Univ Bordeaux, CNRS, ICMCB, F-33608 Pessac, France
Доп.точки доступа:
Ikonnikov, D. A.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Sukhachev, A. L.; Сухачев, Александр Леонидович; Zaitsev, A. I.; Зайцев, Александр Иванович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Jubera, V.
}
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6.
Melnikova, S. V.
Linear optical properties of γ-modification of
bismuth
borate BiB3O6 / S. V. Melnikova, L. I. Isaenko> // Phys. Solid State. - 2012. -
Vol. 54
,
Is. 10
. - P. 1966-1969,
DOI
10.1134/S1063783412100228. - 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). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
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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Мельникова, Светлана Владимировна. Линейные оптические свойства gamma-модификации висмутового бората BiB3O6 [Текст] / С. В. Мельникова, Л. И. Исаенко // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 10. - С. 1843-1846
Держатели документа:
[Melnikova, S. V.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Isaenko, L. I.] Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, Novosibirsk 630090, Russia
Доп.точки доступа:
Isaenko, L. I.; Мельникова, Светлана Владимировна
}
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7.
Interlayer interactions in
FeNi/Bi/FeNi trilayers / G. S. Patrin [и др.]> // Bull. Russ. Acad. Sci.: Phys. - 2012. -
Vol. 76
,
Is. 2
. - P. 177-179. - Cited References: 5. - This study was supported by the Russian Foundation for Basic Research, project no. 110200675a. . - ISSN 1062-8738
Кл.слова (ненормированные):
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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Исследование межслоевых взаимодействий в трехслойных пленках FeNi/Bi/FeNi [Текст] / Г. С. Патрин [и др.] // Изв. РАН. Сер. физич. - 2012. - Т. 76 № 2. - С. 205-207
Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Yakovchuk, V.Yu.; Яковчук, Виктор Юрьевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Patrin, K. G.; Патрин, Константин Геннадьевич; Yarikov, S. A.; Яриков, Станислав Алексеевич
}
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8.
Vasil'ev, A. D.
Crystal structure of hexakis-(N-methylthiourea)
bismuth
(III) triperchlorate / A. D. Vasil'ev, N. N. Golovnev, A. A. Leshok> // Russ. J. Inorg. Chem. - 2012. -
Vol. 57
,
Is. 4
. - P. 525-527,
DOI
10.1134/S0036023612040250. - Cited References: 12 . - ISSN 0036-0236
РУБ
Chemistry, Inorganic & Nuclear
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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Публикация на русском языке
Васильев, Александр Дмитриевич. Кристаллическая структура триперхлората гексакис-(N-метилтиомочевина) висмута(III) [Текст] / А. Д. Васильев, Н. Н. Головнёв, А. А. Лешок // Журн. неорг. химии : Наука, 2012. - Т. 57 № 4. - С. 587-589
Держатели документа:
[Vasil'ev, A. D.
Golovnev, N. N.
Leshok, A. A.] Siberian Fed Univ, Krasnoyarsk, Russia
[Vasil'ev, A. D.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk, Russia
Доп.точки доступа:
Golovnev, N. N.; Leshok, A. A.; Васильев, Александр Дмитриевич
}
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9.
Increase in the
magnetization loop width in the Ba0.6K0.4BiO3 superconductor: Possible manifestation of phase separation / D. A. Balaev [et al.]> // J. Exp. Theor. Phys. - 2014. -
Vol. 118
,
Is. 1
. - P. 104-110,
DOI
10.1134/S1063776114010038. - Cited References: 39 . - ISSN 1063-7761. - ISSN 1090-6509
РУБ
Physics, Multidisciplinary
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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Публикация на русском языке
Увеличение ширины петли намагниченности в сверхпроводнике Ba0.6K0.4BiO3. Возможное проявление фазового расслоения [Текст] / Д. А. Балаев [и др.] // Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 145 Вып. 1. - С. 120-127
Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia
Russian Acad Sci, Lebedev Phys Inst, Moscow 119991, Russia
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Klinkova, L. A.; Zherikhina, L. N.; Tsvokhrebov, A. M.
}
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10.
Dielectric and electrical
properties of polymorphic
bismuth
pyrostannate Bi2Sn2O7 / L. V. Udod [et al.]> // Phys. Solid State. - 2014. -
Vol. 56
,
Is. 7
. - P. 1315-1319,
DOI
10.1134/S1063783414070336. - 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). . - ISSN 1063-7834. - ISSN 1090-6460
РУБ
Physics, Condensed Matter
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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Публикация на русском языке
Диэлектрические и электрические свойства полиморфного пиростаната висмута Bi2Sn2O7 [Текст] / Л. В. Удод [и др.] // Физ. тверд. тела : ФТИ РАН, 2014. - Т. 56 Вып. 7. - С. 1267-1271
Держатели документа:
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Udod, L. V.; Удод, Любовь Викторовна; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Russian Foundation for Basic Research [09-02-00125-a, 14-02-92003 NNS_a, 14-02-90010_Bel_a, 14-12-00124]
}
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11.
Ferroelastic phase transition
in Cs3Bi2I9 crystal / S. V. Melnikova [et al.]> // Ferroelectrics, Letters Section. - 1996. -
Vol. 20
,
Is. 5-6
. - P. 163-167 . - ISSN 0731-5171
Кл.слова (ненормированные):
Birefringence
--
Cesium compounds
--
Crystal symmetry
--
Crystals
--
Differential scanning calorimetry
--
Elasticity
--
Ferroelectricity
--
Permittivity
--
Stiffness
--
Twinning
--
Cesium
bismuth
iodide
--
Elastic constant
--
Elastic stiffness
--
Ferroelastic phase transition
--
Phase transitions
Аннотация:
Phase transition (PT) was found in Cs3Bi2I9 single crystal at T0=223 K. Optical birefringence, dielectric and elastic constants and differential scanning calorimetry have been studied. It was found that birefringence ?nc and twinning picture appeared on (001) - and (100) - plates below T0, as well as softening of elastic stiffness C44 above T0. It allows to classify the PT as proper ferroelastic one with symmetry change 6/mmm - 2/m. В© 1996 OPA (Overseas Publishers Association) Amsterdam B.V. Published in The Netherlands under license by Gordon and Breach Science Publishers SA.
Scopus
Доп.точки доступа:
Melnikova, S. V.; Мельникова, Светлана Владимировна; Shabanova, L. A.; Zaitsev, A. I.; Зайцев, Александр Иванович; Parshikov, S. A.; Ageev, O. A.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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12.
Pavlovskii, M. S.
Calculation of lattice dynamics, elastic and dielectric properties of γ-BiB3O6 and δ-BiB3O6 / M. S. Pavlovskii, A. S. Shinkorenko, V. I. Zinenko> // Phys. Solid State. - 2015. -
Vol. 57
,
Is. 4
. - P. 675-682,
DOI
10.1134/S1063783415040241. - Cited References:14. - This study was supported by the Council on Grants from the President of the Russian Federation for Support of the "Leading Scientific Schools" (grant no. NSh-924.2014.2). . - ISSN 1063. - ISSN 1090-6460. -
РУБ
Physics, Condensed Matter
Рубрики:
BISMUTH
BORATE BiB3O6
OPTICAL-PROPERTIES
CRYSTAL
RAMAN
Аннотация:
The crystal lattice vibration frequencies, densities of phonon states, elastic moduli, and high-frequency permittivities have been calculated in terms of the density functional theory method for two polymorphs γ-BiB3O6 and δ-BiB3O6. Based on the calculated densities of phonon states, the temperature dependences of the free energies of two considered
bismuth
triborate modifications have been constructed, and the temperature of the phase transition between these modifications has been determined (1100 K). The structure of a possible nonpolar praphase of δ-BiB3O6 has been proposed. The polarization of δ-BiB3O6 has been estimated as 131 μC/cm2.
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Публикация на русском языке
Павловский, Максим Сергеевич. Расчет динамики решетки, упругие и диэлектрические свойства γ-BiB3O6 и δ-BiB3O6 [Текст] / М. С. Павловский, А. С. Шинкоренко, В. И. Зиненко // Физ. тверд. тела : Санкт-Петербургская издательская фирма "Наука" РАН, 2015. - Т. 57 Вып. 4. - С. 661-667
Доп.точки доступа:
Shinkorenko, A. S.; Шинкоренко, Алексей Сергеевич; Zinenko, V. I.; Зиненко, Виктор Иванович; Павловский, Максим Сергеевич; Council on Grants from the President of the Russian Federation for Support of the "Leading Scientific Schools" [NSh-924.2014.2]
}
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13.
Synthesis, structural and
spectroscopic properties of acentric triple molybdate Cs2NaBi(MoO4)3 / A. A. Savina [et al.]> // J. Solid State Chem. - 2015. -
Vol. 225
. - P. 53–58,
DOI
10.1016/j.jssc.2014.11.023. - Cited References: 66. - The authors are grateful to Dr. K.M. Khal'baeva and Dr. Irina A. Gudkova for their assistance in preparing the compound and taking X-ray single-crystal diffraction data. This study is partly supported by the Russian Foundation for Basic Research (Grants 13-03-01020 and 14-03-00298). V.V.A., A.S.K. and A.S.O. gratefully acknowledge the Ministry of Education and Science of the Russian Federation for a partial financial support. . - ISSN 0022-4596. - ISSN 1095-726X
Перевод заглавия:
Синтез, структурные и спектроскопические свойства ацентричного тройного молибдата Cs2NaBi(MoO4)3
РУБ
Chemistry, Inorganic & Nuclear + Chemistry, Physical
Рубрики:
CRYSTAL-STRUCTURE
SINGLE-CRYSTALS
VIBRATIONAL PROPERTIES
RAMAN-SPECTROSCOPY
HYDROTHERMAL SYNTHESIS
DIELECTRIC-PROPERTIES
SELECTIVE OXIDATION;
BISMUTH
MOLYBDATES
IONIC-CONDUCTIVITY
OPTICAL-PROPERTIES
Кл.слова (ненормированные):
Triple molybdate
--
Sodium
--
Cesium
--
Bismuth
--
Crystal structure
--
Raman spectroscopy
--
CRYSTAL-STRUCTURE
--
SINGLE-CRYSTALS
--
VIBRATIONAL PROPERTIES
--
RAMAN-SPECTROSCOPY
--
HYDROTHERMAL SYNTHESIS
--
DIELECTRIC-PROPERTIES
--
SELECTIVE OXIDATION;
--
BISMUTH
MOLYBDATES
--
IONIC-CONDUCTIVITY
--
OPTICAL-PROPERTIES
Аннотация:
New ternary molybdate Cs2NaBi(MoO4)3 is synthesized in the system Na2MoO4–Cs2MoO4–Bi2(MoO4)3. The structure of Cs2NaBi(MoO4)3 of a new type is determined in noncentrosymmetric space group R3c, a=10.6435(2), c=40.9524(7) Å, V=4017.71(13) Å3, Z=12 in anisotropic approximation for all atoms taking into account racemic twinning. The structure is completely ordered, Mo atoms are tetrahedrally coordinated, Bi(1) and Bi(2) atoms are in octahedra, and Na(1) and Na(2) atoms have a distorted trigonal prismatic coordination. The Cs(1) and Cs(2) atoms are in the framework cavities with coordination numbers 12 and 10, respectively. No phase transitions were found in Cs2NaBi(MoO4)3 up to the melting point at 826 K. The compound shows an SHG signal, I2w/I2w(SiO2)=5 estimated by the powder method. The vibrational properties are evaluated by Raman spectroscopy, and 26 narrow lines are measured.
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Держатели документа:
SB RAS, Baikal Inst Nat Management, Lab Oxide Syst, Ulan Ude 670047, Russia.
Buryat State Univ, Dept Chem, Ulan Ude 670000, Russia.
SB RAS, Rzhanov Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia.
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia.
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia.
SB RAS, Nikolaev Inst Inorgan Chem, Lab Crystal Chem, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Dept Nat Sci, Novosibirsk 630090, Russia.
SB RAS, Kirensky Inst Phys, Lab Mol Spectroscopy, Krasnoyarsk 660036, Russia.
SB RAS, Nikolaev Inst Inorgan Chem, Lab Epitaxial Layers, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Lab Res Methods Composit & Struct Funct Mat, Novosibirsk 630090, Russia.
SB RAS, Kirensky Inst Phys, Lab Crystal Struct, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
SB RAS, Inst Automat & Elect, Lab Condenced Matter Spectroscopy, Novosibirsk 630090, Russia.
Доп.точки доступа:
Savina, A. A.; Atuchin, V. V.; Solodovnikov, S. F.; Solodovnikova, Z. A.; Krylov, A. S.; Крылов, Александр Сергеевич; Maximovsky, E. A.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Pugachev, A. M.; Khaikina, E. G.; Russian Foundation for Basic Research [4828.2012.2, 12-02-31205]; Federal Special Program "Scientific and scientific-pedagogical staff of innovative Russia" [8379]
}
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14.
Correlation of the
magnetic and transport properties with polymorphic transitions in
bismuth
pyrostannate Bi2(Sn1 − xCr x)2O7 / S. S. Aplesnin [et al.]> // Phys. Solid State. - 2015. -
Vol. 57
,
Is. 8
. - P. 1627-1632,
DOI
10.1134/S1063783415080028. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research (project no. 15-02-01445-a) and the Ministry of Education and Science of the Russian Federation (state task no. 114090470016). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
GAS SENSORS
Bi2Sn2O7
CRYSTAL
Аннотация:
The correlation of the electrical, magnetic, and structural properties of Bi2(Sn1 − xCrx)2O7 solid solutions has been investigated for two compositions with x = 0.05 and 0.1. The temperatures of structural phase transitions and anomalies of the electrical resistance in the vicinity of these transitions at temperatures in the range 300 K ˂ T ˂ 1000 K have been determined using differential scanning calorimetry. It has been found that the thermoelectric power changes sign upon the polymorphic transition. The paramagnetic Curie temperature and the chromium-ion spin have been found from the temperature dependence of the magnetic susceptibility in the range 4 K ˂ T ˂ 1000 K and from the field dependence of the magnetic moment in magnetic fields of up to 6 T.
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Публикация на русском языке
Корреляция магнитных и транспортных свойств с полиморфными переходами в пиростаннате висмута Bi2(Sn1-xCrx)2O7 [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела. - 2015. - Т. 57 Вып. 8. - С. 1590-1595
Держатели документа:
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50-38, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, pr. imeni Gazety “Krasnoyarskii Rabochii” 31, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, ul. Serysheva 47, Khabarovsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation
Scientific-Practical Materials Research Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, Belarus
Доп.точки доступа:
Аплеснин, Сергей Степанович; Aplesnin, S. S.; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Eremin, E. V.; Еремин, Евгений Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasova, L. S.; Yanushkevich, K. I.; Galyas, A. I.; Russian Foundation for Basic Research [15-02-01445-a]; Ministry of Education and Science of the Russian Federation [114090470016]
}
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15.
New
bismuth
borophosphate
Bi4BPO10: Synthesis, crystal structure, optical and band structure analysis / N. A. Babitsky [et al.]> // Mater. Chem. Phys. - 2015. -
Vol. 163
. - P. 286-292,
DOI
10.1016/j.matchemphys.2015.07.042. - Cited References: 32. - The study was performed with the financial support of the Ministry of Science and Education of the Russian Federation, Projects 3049, 3098, item 1025, "Fund for Assistance to Small Innovative Enterprises in Science and Technology" (Grant program "UMNIK" 2013 II half GU1/2014), ICDD Grant-in-Aid, #93-10 . - ISSN 0254-0584
РУБ
Materials Science, Multidisciplinary
Рубрики:
INITIO MOLECULAR-DYNAMICS
AUGMENTED-WAVE METHOD
POWDER DATA
SYSTEM
PHASES
Кл.слова (ненормированные):
Inorganic compounds
--
Crystal growth
--
Crystal structure
--
Band-structure
Аннотация:
New
bismuth
borophosphate Bi4BPO10 was obtained by spontaneous crystallization from the melt of correspondent composition at 804 °C. Crystal structure with orthorhombic lattice parameters: a = 22.5731(3) Å, b = 14.0523(2) Å, c = 5.5149(1) Å, V = 1749.34(4), Z = 8, SG Pcab was determined by X-ray powder diffraction technique. The [Bi2O2]2+ -layers, which are typical for
bismuth
oxide compounds, transform into cationic endless strips of 4
bismuth
atoms width directed along the c-axis in Bi4BPO10. The strips combining stacks are separated by flat triangle [BO3]3- -anions within stacks. Neighboring stacks are separated by tetrahedral [PO4]3--anions and shifted relatively to each other.
Bismuth
atoms are placed in 5-7 vertex oxygen irregular polyhedra. Bi4BPO10 is stable up to 812 °C, then melts according to the peritectic law. The absorption spectrum in the range 350-700 nm was obtained and the width of the forbidden band was estimated as 3.46 eV. The band electronic structure of Bi4BPO10 was modeled using DFT approach. The calculated band gap (3.56 eV) is in good agreement with the experimentally obtained data. © 2015 Elsevier B.V. All rights reserved.
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Держатели документа:
Siberian Federal University, 79 Svobodny Av, Krasnoyarsk, Russian Federation
Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Babitsky, N. A.; Leshok, D. Y.; Mikhaleva, N. S.; Kuzubov, A. A.; Кузубов, Александр Александрович; Zhereb, V. P.; Kirik, S. D.
}
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16.
Bi2(Sn0.95Cr0.05)2O7: Structure, IR
spectra, and dielectric properties / S. S. Aplesnin [et al.]> // Ceram. Int. - 2016. -
Vol. 42
,
Is. 4
. - P. 5177-5183,
DOI
10.1016/j.ceramint.2015.12.040. - Cited References: 45. - This work was supported by the Russian Foundation for Basic Research Projects no. 15-42-04099 r_siberia_a, Siberian Branch of Science and NAS of Belarus “Electronic and magnetic phase transitions in materials with magnetoelectric affect” and government work no. 114090470016. . - ISSN 0272-8842
РУБ
Materials Science, Ceramics
Рубрики:
BISMUTH
PYROSTANNATE
PYROCHLORE STRUCTURE
MAGNETIC-PROPERTIES
PARTIAL OXIDATION
HIGH-TEMPERATURE
X-RAY
Bi2Sn2O7
SUBSTITUTION
CATALYSTS
DIFFRACTION
Кл.слова (ненормированные):
Bismuth
pyrostannate
--
Infrared absorption spectra
--
Structural transition
--
Permittivity
--
Debye model
Аннотация:
Infrared absorption spectra of the
bismuth
pyrostannate Bi2(Sn0.95Cr0.05)2O7 were investigated in the frequency range 350-1100 cm-1 at temperatures of 110-525 K. Four frequency regions with split absorption lines are distinguished. Softening of frequencies at the structural transitions was observed. The maxima of permittivity measured in the frequency range 1-200 kHz at temperatures 100-400 K were determined. It was found that the magnetic susceptibility changes its sign in the low-temperature region. The correlation between anomalies in the magnetic susceptibility, permittivity, and absorption line intensity was established. Softening of frequencies is explained by the variation in the coefficient of thermal expansion of the lattice. The temperature behavior of permittivity is described using the Debye model. © 2015 Elsevier Ltd and Techna Group S.r.l.
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Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Akademgorodok 50, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Udod, L. V.; Удод, Любовь Викторовна; Sitnikov, M. N.; Shestakov, N. P.; Шестаков, Николай Петрович
}
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17.
Vasil'ev, A. D.
Crystal structure of [Bi(N-ethylthiourea)4(ClO4)2]ClO4 / A. D. Vasil’ev, N. N. Golovnev, M. K. Lesnikov> // Russ. J. Inorg. Chem. - 2016. -
Vol. 61
,
Is. 6
. - P. 704-707,
DOI
10.1134/S003602361606022X. - Cited References: 21 . - ISSN 0036-0236
РУБ
Chemistry, Inorganic & Nuclear
Кл.слова (ненормированные):
Hydrogen bonds
--
Bismuth
complexes
--
Mutual repulsion
--
Octahedral cation
--
Thiocarbonyl
--
Crystal structure
Аннотация:
The structure of the
bismuth
(III) complex with N-ethylthiourea (Ettu) has been determined for the first time. We found that the crystal structure of [Bi(Ettu)4(ClO4)2]ClO4 is built of distorted octahedral cations [Bi(Ettu–S)4(ClO4)2]ClO4]+ and anions ClO4 -. The deviation of one of the two independent Ettu molecules from the plane structure is explained by the mutual repulsion of the ligands and the formation features of hydrogen bonds. The C2H5(Ettu) group is in the cis position relative to the thiocarbonyl group. © 2016, Pleiades Publishing, Ltd.
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Публикация на русском языке
Васильев, Александр Дмитриевич. Кристаллическая структура [Bi(N-этилтиомочевина)4(ClO4)2]ClO4 [Текст] / А. Д. Васильев, Н. Н. Головнев, М. К. Лесников // Журн. неорг. химии : Наука, 2016. - Т. 61 № 6. - С. 740-743
Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Golovnev, N. N.; Lesnikov, M. K.; Васильев, Александр Дмитриевич
}
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18.
Contributions from Inter-grain
Boundaries to the Magneto-resistive Effect in Polycrystalline High-T (C) Superconductors. The Underlying Reason of Different Behavior for YBCO and BSCCO Systems / D. A. Balaev [et al.]> // J. Supercond. Nov. Magn. - 2011. -
Vol. 24
,
Is. 7
. - P. 2129-2136,
DOI
10.1007/s10948-011-1166-9. - Cited References: 30. - This work is supported by program N5 of RAS, project N7. . - ISSN 1557-1939
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
PHASE-SLIP
TRANSPORT-PROPERTIES
TRANSITION
FIELD
COMPOSITES
BULK
TAPES
YBA2CU3O7-DELTA
DISSIPATION
Кл.слова (ненормированные):
BSCCO
--
YBCO
--
Intergrain boundaries
--
Magnetoresistance
--
BSCCO
--
Intergrain boundaries
--
Magnetoresistance
--
YBCO
--
BSCCO
--
BSCCO system
--
Comparative studies
--
High Tc superconductors
--
High-field
--
Inter-grain
--
Irreversibility lines
--
Magneto-resistive effect
--
Polycrystalline
--
Resistive transition
--
Standard measurements
--
Weak pinning
--
YBCO
--
Bismuth
--
Electric resistance
--
Grain boundaries
--
High temperature superconductors
--
Lead
--
Magnetic fields
--
Magnetoelectronics
--
Magnetoresistance
--
Magnetos
--
Superconductivity
--
Yttrium barium copper oxides
--
Semiconductor metal boundaries
Аннотация:
In order to clarify the mechanisms in charge of broadening of resistive transition R(T) in magnetic fields of
bismuth
-based polycrystalline high-T (C) superconductor (HTSC), a comparative study of Bi1.8Pb0.3Sr1.9Ca2Cu3O (x) (BSCCO) and YBa2Cu3O7-delta (YBCO) have been performed. Magnetoresistive effects and irreversibility line obtained from magnetic measurements have been studied. It was established that (1) for YBCO, the smooth part of R(T) dependence unambiguously corresponds to dissipation in the intergrain boundaries for arbitrary magnetic fields; (2) for polycrystalline BSCCO, the smooth part of R(T) dependences correspond to dissipation within intergrain boundary subsystem in the field range H <10(2) Oe only, while standard measurements of R(T) dependences in magnetic field range H > 10(2) Oe reflect the dissipation processes occurring both in intergrain boundary and HTSC grain subsystems; (3) for the high-field range, the contribution from intergrain boundaries of BSCCO can be distinguished from magnetoresistance R(H) dependences obtained at high enough current density on textured samples. It is proposed that various magneto-resistive properties of these classical HTSC systems are due comparatively weak pinning in BSCCO.
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Держатели документа:
[Balaev, D. A.
Popkov, S. I.
Semenov, S. V.
Bykov, A. A.
Dubrovskiy, A. A.
Shaikhutdinov, K. A.
Petrov, M. I.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Balaev, D. A.
Popkov, S. I.
Sabitova, E. I.
Dubrovskiy, A. A.
Shaikhutdinov, K. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Semenov, S. V.; Семенов, Сергей Васильевич; Bykov, A. A.; Быков, Алексей Анатольевич; Sabitova, E. I.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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19.
General regularities of
magnetoresistive effects in the polycrystalline yttrium and
bismuth
high-temperature superconductor systems / D. A. Balaev [et al.]> // Phys. Solid State. - 2011. -
Vol. 53
,
Is. 5
. - P. 922-932,
DOI
10.1134/S1063783411050052. - Cited References: 52. - This study was supported by the Russian Academy of Sciences within the program no. 5 (project no. 7). . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
HIGH MAGNETIC-FIELDS
PHASE-SLIP
RESISTIVE TRANSITION
CU-O
TRANSPORT-PROPERTIES
JOSEPHSON MEDIUM
MIXED-STATE
FLUX-CREEP
T-C
DISSIPATION
Аннотация:
The influence of thermomagnetic prehistory on the behavior of a resistive transition R(T) in external magnetic fields of polycrystalline YBa(2)Cu(3)O(7) and Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O (x) high-temperature supercon-ductors and the Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O (x) + Ag texture has been investigated. It has been found that, for YBa(2)Cu(3)O(7), the thermomagnetic prehistory exerts a substantial influence on the dissipation in the subsystem of grain boundaries in magnetic fields up to similar to 10(3) Oe, and this effect becomes insignificant in fields higher than similar to 10(4) Oe. This behavior has been explained by the influence of magnetic moments of high-temperature superconductor grains on the effective magnetic field in the intergranular medium. For
bismuth
high-temperature superconductors, no influence of thermomagnetic prehistory on the resistive transition has been observed; however, this effect manifests itself in current-voltage characteristics at high transport current densities. There is also a radical difference in the behavior of isotherms of the magnetoresistance R(H) for the yttrium and
bismuth
systems. For YBa(2)Cu(3)O(7), there is a clear separation between the dissipation regimes in the intergranular medium and in grains, which manifests itself even at low transport current densities as a change of sign in the curvature of the dependence R(H). For a texture based on the
bismuth
high-temperature superconductor, this feature has been observed only at high current densities (comparable to the critical current density at H = 0). This difference in the behavior of magnetoresistive properties of the classical high-temperature superconductor systems under investigation has been explained by relatively low irreversibility fields of the
bismuth
high-temperature superconductors. In these materials, simultaneous processes of dissipation can occur in an external magnetic field both in the subsystem of grain boundaries between crystallites and in the crystallites themselves.
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Держатели документа:
[Balaev, D. A.
Bykov, A. A.
Semenov, S. V.
Popkov, S. I.
Dubrovskii, A. A.
Shaikhutdinov, K. A.
Petrov, M. I.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Bykov, A. A.; Быков, Алексей Анатольевич; Semenov, S. V.; Семенов, Сергей Васильевич; Popkov, S. I.; Попков, Сергей Иванович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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20.
Highly textured
bismuth
-containing
high-temperature superconductor ceramics obtained by uniaxial pressing in liquid medium: Fabrication and properties / M. I. Petrov [et al.]> // Tech. Phys. Lett. - 2007. -
Vol. 33
,
Is. 9
. - P. 740-743,
DOI
10.1134/S1063785007090088. - Cited References: 12 . - ISSN 1063-7850
РУБ
Physics, Applied
Рубрики:
MICROSTRUCTURE
MAGNETIZATION
Аннотация:
A new method of fabricating textured ceramics with a composition of Bi1.8Pb0.3Sr1.9Ca2Cu3Ox is described, according to which the initial low-density ceramics is subjected to uniaxial pressing in a liquid medium followed by drying and annealing. Analysis of the X-ray diffraction and scanning electron microscopy data show evidence for a high degree of texture in high-temperature superconductor ceramics fabricated using the proposed method. The results of magnetic measurements indicate that the obtained material possesses anisotropy of the magnetic moment for the magnetic field H oriented parallel and perpendicular to the direction of uniaxial pressing. The textured ceramics also show high diamagnetic response for H parallel to the c axis of grains, which makes these ceramics promising materials for practical applications.
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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Div, Boreskov Inst Catalysis, Novosibirsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Belozerova, I. L.; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Gokhfel'd, D. M.; Гохфельд, Денис Михайлович; Mart'yanov, O. N.; Popkov, S. I.; Попков, Сергей Иванович; Shaihutdinov, K. A.
}
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