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The effect of nonmagnetic and magnetic impurities in the normal metal layer - N of network of weak S-N-S junctions in composites on high temperature superconductors basis / M. I. Petrov [et al.] // Physica C-Superconductivity and its Applications. - 1997. - Vol. 282, Is. PART 4. - P. 2447-2448 . - ISSN 0921-4534
Кл.слова (ненормированные):
Charge carriers -- Composite materials -- Electric currents -- High temperature superconductors -- Impurities -- Magnetic materials -- Transport properties -- Superconducting normal metal superconducting junctions -- Superconducting devices
Аннотация: Composites HTSC + normal metal with magnetic and nonmagnetic impurities have been prepared. Transport properties of these composites have been studied. Supercurrent in the composites is weakened by magnetic impurities in greater degree than by nonmagnetic ones. It indicates that carriers in HTSC with 1-2-3 structure are mostly the conventional singlet pairs.

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Доп.точки доступа:
Петров, Михаил Иванович; Petrov, M. I.; Balaev, D. A.; Балаев, Дмитрий Александрович; Ospishchev, S. V.; Оспищев С. В.; Khrustalev, B. P.; Хрусталев, Борис Петрович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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Transport properties of composites high temperature superconductor + semiconductor with different carrier concentration / M. I. Petrov [et al.] // Physica C-Superconductivity and its Applications. - 1997. - Vol. 282, Is. PART 4. - P. 2449-2450 . - ISSN 0921-4534
Кл.слова (ненормированные):
Carrier concentration -- Critical current density (superconductivity) -- High temperature superconductors -- Semiconductor materials -- Thermal effects -- Transport properties -- Superconductor semiconductor superconductor junctions -- Composite materials
Аннотация: Composites HTSC + semiconductor with different carrier concentrations were prepared as a model of Josephson type contacts. Experimental temperature dependences of the critical current density Jc(T) in the composites are presented. The best congruence of experiment with theory was reached for the Schussler-Kummel consideration of Andreev scattering in S-Sm-S (S-superconductor, Sm-semiconductor) junctions.

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Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Khrustalev, B. P.; Хрусталев, Борис Петрович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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Influence of magnetic scattering centers in the insulator component of the composite HTSC+Cu1-xNixO on its resistive properties / M. I. Petrov [et al.] // Phys. Solid State. - 1998. - Vol. 40, Is. 9. - P. 1451-1455, DOI 10.1134/1.1130601. - Cited References: 31 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
PLUS SEMICONDUCTOR
CUO
Аннотация: We present results of an experimental study of the effect of magnetic scattering centers (nickel) in the insulator component (cuprous oxide) of the composite HTSC+Cu1-xNixO on its transport properties. A suppression of the superconducting properties of this system is observed to take place with increasing nickel content. The results are analyzed within the framework of the model of strong electron correlations. (C) 1998 American Institute of Physics. [S1063-7834(98)00609-1].

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

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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Multilayer composite epitaxial CuCo single crystals / E. S. Mushailov [et al.] // JETP Letters. - 2000. - Vol. 71, Is. 5. - P. 195-197, DOI 10.1134/1.568313. - Cited References: 10 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
SUPERLATTICES
DIFFRACTION
FILMS
Аннотация: The ion-plasma spraying method was used to synthesize new phases of metastable atomic-ordered layered CuCo single crystals and single crystals of CucCo1 - c solid solutions via epitaxial layer-by-layer crystallization, and some of their physical properties were studied. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660049, Russia
Russian Acad Sci, Siberian Div, Inst Chem & Chem Technol, Krasnoyarsk, Russia
ИФ СО РАН
ИХХТ СО РАН

Доп.точки доступа:
Mushailov, E. S.; Kim, P. D.; Ким, Пётр Дементьевич; Turpanov, I. A.; Турпанов, Игорь Александрович; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Mishina, S. E.
}
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A comparative study of transport properties of composites HTSC+MgTiO3 and HTSC + NiTiO3. The effect of paramagnetic NiTiO3 / M. I. Petrov, D. A. Balaev, K. A. Shaikhutdinov, K. S. Aleksandrov // Physica C-Superconductivity and its Applications. - 2000. - Vol. 341-348, Pt. 3. - P. 1863-1864, DOI 10.1016/S0921-4534(00)01217-X . - ISSN 0921-4534
Кл.слова (ненормированные):
Composite materials -- Copper oxides -- Josephson junction devices -- Magnesium compounds -- Nickel compounds -- Paramagnetism -- Superconductivity -- Thermal effects -- Transport properties -- Yttrium compounds -- Abrikosov vortices flow -- Superconductor insulator superconductor junction -- Thermally activated phase slippage -- High temperature superconductors
Аннотация: Bulk composites Y3/4Lu1/4Ba2Cu3O7+NiTiO3 and Y3/4Lu1/4Ba2Cu3O7+MgTiO3 with insulator volume content 7.5% and 15% modelling a network of Superconductor-Insulator-Superconductor (S-I-S) junctions have been prepared. The ?(T) dependences of composites HTSC+MgTiO3 are described well by the mechanism of Thermally Activated Phase Slippage (TAPS). The anomalous behavior of resistivity ?(T) of HTSC+NiTiO3 composites manifesting as a kink on ?(T) curves at some temperature Tm have been observed. In the temperature range Tm < T < TC the dissipation is Ohmic while below Tm the CVCs are strongly non-linear. This peculiarity is interpreted as arisen owing to Abrikosov vortices flow.

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Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; International conference on materials and mechanisms of superconductivity high temperature superconductors(6 ; 2000 ; Feb. ; 20-25 ; Houston, Texas, USA)
}
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Composite materials on high-T-c superconductors and BaPbO3, Ag basis / A. G. Mamalis [et al.] // Physica C. - 2001. - Vol. 364. - P. 174-177, DOI 10.1016/S0921-4534(01)00749-3. - Cited References: 9 . - ISSN 0921-4534

РУБ Physics, Applied

Кл.слова (ненормированные):
composite high-T-c superconductors -- superconducting fault current limiter -- Composite high-Tc superconductors -- Superconducting fault current limiter -- Composite materials -- Electric fault currents -- Interfaces (materials) -- Magnetic variables measurement -- Mathematical models -- Scanning electron microscopy -- Spectrometry -- Superconducting transition temperature -- Superconductivity -- X ray diffraction analysis -- Solid state reactions -- High temperature superconductors
Аннотация: The preparation., processing and characterization of the composite materials on high-T-c superconductor (HTSC) basis, YBa2Cu3O7/Ag and Y0.75Lu0.25Ba2Cu3O7/BaPbO3, is reported. The initial components YBa2Cu3O7 and BaPbO3 were prepared by the standard solid state reaction technique. The microstructures of the samples were observed by scanning electron microscopy. whilst the XRD paterns of the composites HTSC+Ag and HTSC+BaPbO3 revealed the 123 superconducting phase and the Ag or BaPbO3 structure. The chemical compositions of the powders and the interface zone were found by employing energy dispersive spectrometry. The resistive and magnetic measurements of the composites indicated the transition temperature 93.5 K. Application of such composite materials in the construction of a superconducting fault current limiter model is reported. (C) 2001 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Natl Tech Univ Athens, Dept Mech Engn, Mfg Technol Div, Athens 10682, Greece
Russian Acad Sci, Kiensky Inst Phys, Krasnoyarsk, Russia
ИФ СО РАН
Manufacturing Technology Division, Department of Mechanical Engineering, National Technical University of Athens, 42, 28th October Ave., 10682 Athens, Greece
Kirensky Institute of Physics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mamalis, A. G.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Gohfeld, D. M.; Kharlamova, S. A.; Vottea, I. N.; International Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials(3 ; 2001 ; Jan. 15-19 ; Honolulu, Hawaii)
}
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Transport properties of HTSC-based composites: Modeling the random networks of Josephson weak links with magneto-active barriers. / K. A. Shaihutdinov [et al.] // J. Low Temp. Phys. - 2003. - Vol. 130, Is. 3-4. - P. 347-381, DOI 10.1023/A:1022204705059. - Cited References: 89 . - ISSN 0022-2291

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   HIGH-TEMPERATURE SUPERCONDUCTORS
   SNS JUNCTIONS
   THERMAL FLUCTUATIONS
   RESISTIVE PROPERTIES
   PERCOLATION SYSTEM
   TRANSITION
   YBA2CU3O7
   BOUNDARY
   OXIDES
Кл.слова (ненормированные):
Crystalline materials -- Electric insulators -- Josephson junction devices -- Magnetic devices -- Magnetic barriers -- Superconducting materials -- composite
Аннотация: The results of the study of transport properties (temperature dependences of resistivity and critical current, current-voltage characteristics) of two-phase composites on the basis of Y3/4Lu1/4Ba2Cu3O7 high-temperature superconductor (HTSC) produced by fast baking technique and modelling networks of Josephson-type weak links are reported. Non-superconducting ingredients with different magnetic structures, insulators and normal metals, function as barriers between HTSC crystallites. Besides strong suppression of superconducting properties in HTSC composites with magnetic barriers, anomalous behavior of temperature dependences of resistivity below T-c of HTSC grains have been observed and investigated.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Reshetnev Siberian St. Aerosp. Univ., Krasnoyarsk 660014, Russian Federation
Krasnoyarsk State University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Shaihutdinov, K. A.; Balaev, D. A.; Балаев, Дмитрий Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Popkov, S. I.; Попков, Сергей Иванович; Petrov, M. I.; Петров, Михаил Иванович; NATO Advanced Research Workshop on Vortex Dynamics in High-Temperature Superconductors(2002 ; May ; 17-22)
}
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Magnetoresistive effect in bulk composites 1-2-3 YBCO+CuO and 1-2-3 YBCO+BaPb(1-x)SnxO(3) and their application as magnetic field sensors at 77 K / D. A. Balaev [et al.] // Supercond. Sci. Technol. - 2004. - Vol. 17, Is. 1. - P. 175-181, DOI 10.1088/0953-2048/17/1/031. - Cited References: 27 . - ISSN 0953-2048

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
PHASE-SLIP
   SUPERCONDUCTOR
   TEMPERATURE
   YBA2CU3O7-DELTA
   TRANSITION
Кл.слова (ненормированные):
Ceramic materials -- Composite materials -- Critical current density (superconductivity) -- High temperature operations -- High temperature superconductors -- Lead compounds -- Magnetoresistance -- Sensors -- Yttrium barium copper oxides -- High temperature superconductor ceramics -- Magnetic field sensors -- Magnetoresistive effect -- Transport current density -- Oxide superconductors
Аннотация: We have studied the magnetoresistive effect in bulk 1-2-3 YBCO + CuO and 1-2-3 YBCO + BaPb1-xSnxO3 composites prepared using the fast backing technique. We have found that the composites exhibit large magnetoresistance in low magnetic fields (< 100 Oe) for a broad temperature range. We have studied the experimental dependences of resistivity versus magnetic field at various transport current densities. The high-T-C superconductor (HTSC) based composites exhibit a much higher sensitivity to weak magnetic fields at liquid nitrogen temperature, compared to that for pure HTSC ceramics. This effect is attractive for practical applications and the composite materials can be used as active elements in magnetic field sensor devices.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
ИФ СО РАН
Kirensky Inst of Physics, 660036, Krasnoyarsk, Russian Federation
RSSAU, Krasnoyarsk 660014, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Popkov, S. I.; Попков, Сергей Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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The mechanisms responsible for broadening of the resistive transition under magnetic field in the Josephson junction network realized in bulk YBCO+CuO composites / D. A. Balaev [et al.] // Physica C. - 2006. - Vol. 435, Is. 1-2. - P. 12-15, DOI 10.1016/j.physc.2006.01.008. - Cited References: 15 . - ISSN 0921-4534

РУБ Physics, Applied
Рубрики:
SUPERCONDUCTORS
MODEL
Кл.слова (ненормированные):
Josephson network -- YBCO plus CuO composites -- dissipation -- magnetic field -- Dissipation -- Josephson network -- Magnetic field -- YBCO + CuO composites -- Composite materials -- Copper compounds -- Mathematical models -- Phase transitions -- Semiconductor junctions -- Yttrium compounds -- Creep model -- Josephson network -- YBCO + CuO composites -- Magnetic field effects
Аннотация: The experimental results of the effect of the magnetic field (up to 60 kOe) on the broadening of the resistive transition of bulk composites Y3/4Lu1/4Ba2CU3O7 (YBCO) + CuO are presented. These composites represent the network of the tunnel-type Josephson junctions where the copper oxide acts as a material forming barriers between YBCO crystallites. The mechanisms responsible for broadening of the resistive transition under magnetic field are discussed. The analysis of experimental R(7) dependences have shown that in the low field range 0-10(2) Oe, the R(7) dependences are described well by the Ambegaokar-Halperin (AH) model. In the range 10(3)-6 x 10(4) Oe, the dissipation follows Arrhenius law R similar to exp(-U(H)/k(B)T) characteristic for thermally activated flux creep model. In the range H similar to 10(2)-10(3), the crossover from AH to flux creep dissipation mechanisms occurs. (c) 2006 Elsevier B.V. All rights reserved.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaihutdinov, K. A.; Petrov, M. I.; Петров, Михаил Иванович; International Workshop on Weak Superconductivity(2005 ; Sept. ; 16-19 ; Bratislava, Slovakia)
}
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10.

Magnetoresistance hysteresis in granular HTSCs as a manifestation of the magnetic flux trapped by superconducting grains in YBCO+CuO composites / D. A. Balaev [et al.] // J. Exp. Theor. Phys. - 2007. - Vol. 105, Is. 6. - P. 1174-1183, DOI 10.1134/S1063776107120084. - Cited References: 53 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTOR
   CRITICAL-CURRENT-DENSITY
   CURRENT-VOLTAGE CHARACTERISTICS
   BA-CU-O
   TRANSPORT-PROPERTIES
   FIELD
   YBA2CU3O7-DELTA
   FLUCTUATIONS
   FINGERPRINT
   NETWORK
Кл.слова (ненормированные):
Critical currents -- Hysteresis -- Hysteresis loops -- Josephson junction devices -- Magnetic flux -- Magnetoresistance -- Yttrium barium copper oxides -- Granular superconductors -- Hysterestic dependence -- Negative magnetoresistance -- Transport current -- Composite materials
Аннотация: Hysterestic behavior of the magnetoresistance of granular HTSCs and its interaction with the magnetic hysteresis are studied by measuring magnetoresistance R(H) and critical current I-c(H) of composites formed by HTSC Y0.75Lu0.25Ba2CU3O7 and CuO. A network of Josephson junctions is formed in such composites, in which the nonsuperconducting component plays the role of barriers between HTSC grains. Hysteretic dependences R(H) of magnetoresistance are studied in a wide range of transport current density j and are analyzed in the framework of the two-level model of a granular superconductor, in which dissipation takes place in the Josephson medium and the magnetic flux can be pinned both in grains and in the Josephson medium. The interrelation between the hysteresis of critical current I-c(H) and the evolution of the hysterestic dependence R(H) of the magnetoresistance upon transport current variation is demonstrated experimentally. The effect of the magnetic past history on the hysteretic behavior of R(H) and the emergence of a segment with a negative magnetoresistance are analyzed. It is shown for the first time that the R(H) dependences are characterized by a parameter that is independent of the transport current, viz., the width of the R(H) hysteresis loop.

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Держатели документа:
[Balaev, D. A.
Gokhfeld, D. M.
Dubrovskii, A. A.
Popkov, S. I.
Shaikhutdinov, K. A.
Petrov, M. I.] Russian Acad Sci, Kirensky Phys Inst, 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:
Balaev, D. A.; Балаев, Дмитрий Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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11.

Magnetic anisotropy and magnetoelectric properties of Tb1-x Er (x) Fe-3(BO3)(4) ferroborates / A. K. Zvezdin [et al.] // J. Exp. Theor. Phys. - 2009. - Vol. 109, Is. 1. - P. 68-73, DOI 10.1134/S1063776109070097. - Cited References: 18. - This study was supported by the Russian Foundation for Basic Research (project no. 07-02-00580). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
GDFE3(BO3)(4)
Кл.слова (ненормированные):
Competing exchange -- Complex compositions -- Critical fields -- Electric polarization -- Er concentrations -- Exchange splitting -- Ferroborates -- G factors -- Magnetoelectric properties -- Nonmonotonic -- Simple model -- Spin-flop transitions -- Composite micromechanics -- Erbium -- Ions -- Magnetic anisotropy -- Magnetostriction -- Magnetostrictive devices -- Phase transitions -- Polarization -- Spin dynamics -- Terbium alloys -- Single crystals
Аннотация: Magnetic and magnetoelectric properties of ferroborate single crystals with complex composition (Tb1 - x Er (x) Fe-3(BO3)(4), x = 0, 0.75) and with competing exchange Tb-Fe and Er-Fe interactions are investigated. Jumps in electric polarization, magnetostriction, and magnetization are observed as a result of spin-flop transitions, as well as a considerable decrease in the critical field upon an increase in the Er concentration, in a field H (c) parallel to the c axis. The observed behavior of phase-transition fields is analyzed and explained using a simple model taking into account anisotropy in g factors and exchange splitting of funda-mental doublets of the easy-axis Tb3+ ion and easy-plane Er3+ ion. It is established that magnetoelectric and magnetostriction anomalies under spin-flop transitions are mainly controlled by the Tb subsystem. The Tb subsystem makes a nonmonotonic contribution Delta P (a) (H (a) , T) to polarization along the a axis: the value of Delta P (a) reverses its sign and increases with temperature due to the contribution from the excited states of the Tb3+ ion.

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Держатели документа:
[Zvezdin, A. K.
Pyatakov, A. P.
Ivanov, V. Yu.
Kuz'menko, A. M.
Mukhin, A. A.] Russian Acad Sci, Prokhorov Inst Gen Phys, Moscow 119991, Russia
[Kadomtseva, A. M.
Popov, Yu. F.
Vorob'ev, G. P.
Pyatakov, A. P.] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[Bezmaternykh, L. N.
Gudim, I. A.] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660038, Russia
ИФ СО РАН
Moscow State University, Moscow 119992, Russian Federation
Prokhorov Institute of General Physics, Russian Academy of Sciences, Moscow 119991, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk 660038, Russian Federation

Доп.точки доступа:
Zvezdin, A. K.; Kadomtseva, A. M.; Popov, Y. F.; Vorob'ev, G. P.; Pyatakov, A. P.; Ivanov, V. Y.; Kuz'menko, A. M.; Mukhin, A. A.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Russian Foundation for Basic Research [07-02-00580]
}
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12.

Preparation and investigation of the composite based on superhigh-molecular poly(ethylene) and WO3 / G. N. Churilov [et al.] // Phys. Solid State. - 2009. - Vol. 51, Is. 4. - P. 860-862, DOI 10.1134/S1063783409040398. - Cited References: 3 . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: A composite based on superhigh-molecular poly(ethylene) and tungsten trioxide nanoparticles has been synthesized using the activation method. Tungsten nanoparticles have been prepared using the plasmachemical method and then oxidized in air. The particle size is 48 +/- 7 nm. It has been established that the addition of tungsten nanoparticles to superhigh-molecular poly(ethylene) brings about changes in the arrangement of hydrocarbon chains in the structure, which leads to an improvement of the strength characteristics of the products.

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Держатели документа:
[Churilov, G. N.
Vnukova, N. G.
Osipova, I. V.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Selyutin, G. E.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, build. 38, Krasnoyarsk 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, ul. Karla Marksa 42, Krasnoyarsk 660049, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Selyutin, G. E.; Osipova, I. V.; Осипова, Ирина Владимировна
}
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13.

Impedance Spec troscopy in Investigation of Conductivity and Electric Relaxation of Composite Materials [Text] / Drokin N.A.Glushenko G.A.Maslennikov A.N. [et al.] // XXII Международная научная конференция "Релаксационные явления в твердых телах" : тез. докл. - Воронеж : Кварта, 2010. - P72 . - ISBN 978-5-89609-160-8

Доп.точки доступа:
Drokin N.A.; Glushenko G.A.; Maslennikov A.N.; Fedotova A.V.; Churilov G.N.; Релаксационные явления в твердых телах(22 ; 2010 ; сент. ; 14-17 ; Воронеж)
}
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14.

Influence of Temperature and Humidity on Resistance and Permittivity of Composite Films of WO3 and B2O3 with Fullerene / Dudnik A.I., Bogdanova A.V. // 11th Annual International Conference and Seminar on Micro/Nanotechnologies and Electron Devices, EDM'2010 : proceedings : IEEE, 2010. - P106-108. - (978-1-4244-6626-9)DOI 10.1109/EDM.2010.5568647
Аннотация: The paper represents dependences of electrical resistance on irradiance and temperature for composite fullerene-WO3 films. It has been shown that the structure film-contacts is more sensitive to external influence when the film is placed between contacts. Dependencies of fullerene doped B2O3 films permittivity on temperature and humidity are given. Introduction of fullerenes results in approximately linear temperature dependence of permittivity

Материалы конференции

Доп.точки доступа:
Dudnik, A. I.; Дудник, Александр Иванович; Bogdanova A.V.; International Conference and Seminar on Micro/Nanotechnologies and Electron Devices(11 ; 2010 ; June 30 - July 4 ; Novosibirsk, Russia)
}
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15.

Hydrogenation of the Nanopowders That Form in a Carbon-Helium Plasma Stream during the Introduction of Ni and Mg / G. N. Churilov [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 6. - P. 1057-1062, DOI 10.1134/S1063776111140135. - Cited References: 9. - This work was supported by the Russian Foundation for Basic Research, project no. 09-03-00383-a. . - ISSN 1063-7761

РУБ Physics, Multidisciplinary

Кл.слова (ненормированные):
Carbon atoms -- Composite nanoparticles -- High temperature -- Hydrogen absorption -- Hydrogen atoms -- Island growth -- Magnesium hydride -- Magnesium surface -- Nano powders -- Nickel atoms -- Plasma streams -- Atoms -- Carbon -- Composite materials -- Density functional theory -- Electron beams -- Helium -- Hydrogen -- Hydrogenation -- Nanoparticles -- Nickel -- Scanning electron microscopy -- Thermogravimetric analysis -- X ray photoelectron spectroscopy -- Magnesium
Аннотация: Composite nanoparticles consisting of magnesium, nickel, and carbon atoms are studied both theoretically and experimentally. The calculations performed in terms of the density functional theory show that the jump frequency of hydrogen atoms in nickel-containing magnesium hydride increases substantially near impurity nickel atoms; as a result, the rate of hydrogen absorption by magnesium also increases. Nickel on the magnesium surface is shown to be absorbed via an island growth mechanism. Composite Mg-C, Ni-C, and Mg-Ni-C powders are produced by plasmachemical synthesis in a carbon-helium plasma stream. Hydrogen is introduced into a chamber during synthesis. It is found by X-ray photoelectron spectroscopy and thermogravimetric analysis that, among these three composites, only Mg-Ni-C contains magnesium fixed in the MgH2 compound. The process of such "ultrarapid" hydrogenation of magnesium, which occurs in the time of formation of composite nanoparticles, can be explained by the catalytic action of nickel, which is enhanced by a high temperature. Scanning electron microscopy micrographs demonstrate the dynamics of the dehydrogenation of Mg-Ni-C composite nanoparticles in heating by an electron beam.

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Держатели документа:
[Churilov, G. N.
Osipova, I. V.
Glushchenko, G. A.
Fedorov, A. S.
Popov, Z. I.
Cherepakhin, A. V.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Tomashevich, Ye. V.
Vereshchagin, S. N.
Zhizhaev, A. M.] Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
[Bulina, N. V.] Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochem, Novosibirsk 630128, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, ul. K. Marksa 42, Krasnoyarsk, 660049, Russian Federation
Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, ul. Kutateladze 18, Novosibirsk, 630128, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Osipova, I. V.; Осипова, Ирина Владимировна; Tomashevich, Y. V.; Томашевич, Евгений Владимирович; Glushchenko, G. A.; Глущенко, Гарий Анатольевич; Fedorov, A. S.; Федоров, Александр Семенович; Popov, Z. I.; Попов, Захар Иванович; Bulina, N. V.; Булина, Наталья Васильевна; Vereshchagin, S. N.; Zhizhaev, A. M.; Cherepakhin, A. V.; Черепахин, Александр Владимирович
}
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16.

    Оптическая мультистабильность в композиционном материале на основе полимера, жидкого кристалла и ионного сурфактанта при воздействии электрического поля / А. П. Гардымова, А. Я. Тихонов, В. Я. Зырянов // Перспективные материалы. - 2011. - № 4. - С. 32-35 . - ISSN 1028-978X
   Перевод заглавия: Optical multistability of composite material based on polymers, liquid crystals and ionic surfactant under electric field effect
Кл.слова (ненормированные):
cholesteric liquid crystal -- polymer -- ionic surfactant -- optical multistability -- холестерический жидкий кристалл -- полимер -- ионный сурфактант -- оптическая мультистабильность
Аннотация: Разработан композиционный материал на основе полимера, жидкого кристалла (ЖК) и ионного сурфактанта, характеризующийся оптической мультистабильностью и механической гибкостью. Оптические свойства данного материала варьируются за счет переключения капель холестерического ЖК между различными структурными состояниями, остающимися стабильными после выключения управляющего электрического сигнала. Функциональным инструментом для управления ориентационной структурой капель холестерика внешним электрическим полем является наноразмерный слой ионного сурфактанта. Подобраны параметры электрических сигналов, переключающих капли в новые стабильные состояния, а также возвращающих их в исходную радиальную структуру.
A composite material based on polymer, liquid crystal and ionic surfactant is developed, which is characterized by the optical multistability and mechanical flexibility. Optical properties of the material are varied by switching the cholesteric droplets between different structural states remaining stable after breaking the control electrical signal. Functional tool to control the orientational structure of cholesteric droplets by an external electric field is a nanosized layer of ionic surfactant. The parameters of electrical signals switching the droplets in new stable states and returning them in the initial radial structure are chosen.

РИНЦ
Держатели документа:
Институт инженерной физики и радио- электроники ФГОУ ВПО Сибирский федеральный университет
Институт физики им. Л.В. Киренского, Красноярский научный центр, СО РАН
Новосибирский институт органической химии им. Н.Н. Ворожцова СО РАН

Доп.точки доступа:
Гардымова, Анна Петровна; Gardymova A.P.; Тихонов, Алексей Яковлевич; Tikhonov A. Ya.; Зырянов, Виктор Яковлевич; Zyryanov, V. Ya.
}
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17.

Exchange interaction in the Co-SiO2 nanocomposite films / E. A. Denisova [et al.] // TRENDS IN MAGNETISM. - 2011. - Vol. 168-169. - P265-268, DOI 10.4028/www.scientific.net/SSP.168-169.265 . - ISSN 1012-0394
Кл.слова (ненормированные):
exchange coupling parameter -- ferromagnetic resonance -- granular composite films -- cobalt -- exchange coupling -- exchange interactions -- ferromagnetic materials -- ferromagnetic resonance -- ferromagnetism -- magnetic resonance measurement -- nanocomposite films -- nanocomposites -- nuclear magnetic resonance -- resonance -- silicon compounds -- spin waves -- cobalt -- exchange coupling -- exchange interactions -- ferromagnetic materials -- ferromagnetic resonance -- ferromagnetism -- magnetic resonance measurement -- magnetism -- nanocomposite films -- nuclear magnetic resonance -- spin fluctuations -- spin waves -- co content -- coupling parameters -- dispersion relations -- granular composite films -- magnetic measurements -- nanogranulars -- nmr studies -- structural state -- granular composites -- nano-granular -- standing spin waves -- composite films -- composite films
Аннотация: The properties of Co-SiO2 nanogranular composite films, containing a Co volume fraction ranging from 0.3 to 0.8, have been characterized by means of magnetic measurements, NMR study, and ferromagnetic resonance. Thermal decrease of CoX(SiO2)100-X magnetization follows the T3/2 law and allows to estimate the exchange interaction constant A. With growing nominal Co content the transitions from granular to continuous structural state at 36% Co are registered by FMR measurements. The spectrum of standing spin-wave has been detected in the perpendicular experiment configuration for films with the Co content above 52 vol. %. It is found that the type of the dispersion relation of spin waves in Co-SiO2 composite films is affected by the exchange coupling fluctuations.

Scopus,
eLibrary,
WOS,
eLibrary
Держатели документа:
Kirensky Institute of Physics, SB, RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Siberian University of Technology, Krasnoyarsk, 660049, Russian Federation
Voronezh State Technical University, Voronezh, Russian Federation

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Stolyar, S. V.; Столяр, Сергей Викторович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Maltsev, V. K.; Мальцев, Вадим Константинович; Kalinin, Y. E.; Sitnikov, A. V.
}
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18.

Synthesis, Structure and Magnetic Properties of Composite Powders UDD/Ni-P and UDD/Co-P / O. A. Goncharova, L. A. Chekanova, R. S. Iskhakov // Joint International Conference "Advanced Carbon Nanostructures" (ACN 2011) : Abstracts. - 2011. - Ст. P3.11. - P172

Материалы конференции,
Читать в сети ИФ,
Материалы конференции

Доп.точки доступа:
Goncharova, O. A.; Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; "Advanced Carbon Nanostructures", Joint International Conference(2011 ; July ; 4-8 ; St Petersburg)
}
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19.

Influence of dielectric matrix on electrophysical properties of MWNT-based nanocomposites / A. I. Romanenko [et al.] // ICCM International Conferences on Composite Materials / 18th International Conference on Composites Materials, ICCM 2011 (2011 ; 21.08 - 26.08 ; Jeju). - 2011

РИНЦ,
Источник статьи
Держатели документа:
Boreskov Institute of Catalysis
Kirensky Institute of Physics
Nikolaev Institute of Inorganic Chemistry
Novosibirsk State University

Доп.точки доступа:
Romanenko, A. I.; Anikeeva, O. B.; Tkachev, E. N.; Zhdanov, K. R.; Kuznetsov, V. L.; Mazov, I. N.; Elumeeva, K. V.; Popkov, S. I.; Попков, Сергей Иванович; Shaykhutdinov, K. A.; International Conference on Composites Materials, ICCM 2011(18th ; 2011 ; 21.08 - 26.08 ; Jeju)
Нет сведений об экземплярах (Источник в БД не найден)
}
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20.

Gokhfel'd, D. M.
Magnetization loops of MgB2 + Co composite tape / D. M. Gokhfel'd, S. V. Komogortsev, S. Altin // Магнитные материалы. Новые технологии" : тезисы докладов : тез. докл. V Байкал. междунар. конф. BICMM-2012 / чл. прогр. ком. R. S. Iskhakov. - Иркутск, 2012. - Ст. O-10. - P13 . - ISBN 978-5-85827-756-9

Доп.точки доступа:
Komogortsev, S. V.; Комогорцев, Сергей Викторович; Altin, S.; Гохфельд, Денис Михайлович; Байкальская Международная конференция "Магнитные материалы. Новые технологии"(5 ; 2012 ; 21-25 сент. ; п. Листвянка, Иркутская обл.); "Магнитные материалы. Новые технологии", Байкальская международная конференция(5 ; 2012 ; сент. ; 21-25 ; п. Листвянка, Иркутская обл.); "Magnetic materials. New tecnologies", Baikal International Conference(5 ; 2012 ; Sept. 21-25 ; Listvyanka, Irkutsk); Восточно-сибирская государственная академия образованияИркутский государственный университет
}
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