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1.


   
    International workshop on actual problems of condensed matter physics : Program. Book of abstracts / Fed. Res. Center KSC SB RAS, Kirensky Inst. of phys., Sib. Fed. Univ. ; предс. прогр. ком. S. G. Ovchinnikov. - Krasnoyarsk : [s. n.], 2017. - 30 p.
    Содержание:
Bondarev, I. A. Magnetic and transport properties of the epitaxial Fe3Si film on a Si substrate / I. A. Bondarev. - P .25
Yakovlev, I. A. The magnetic anisotropy of the Fe and Fe(1-x)Si(x) thin films depend on / I. A. Yakovlev [и др.]. - P .12
Другие авторы: Belyaev B. A., Rautskii M. V., Tarasov, I. A., Varnakov S. N, Ovchinnikov, S. G.
Popkov, S. I. Inverted opals as the Josephson networks of weak links : Invited / S. I. Popkov [и др.]. - P .24
Другие авторы: Gokhfeld D. M., Bykov A., Mistonov A., Shabanov A., Terentiev K.
Nikolaev, S. Electronic structure and Fermi surface within the cluster perturbation theory in X-operators representation : Invited / S. Nikolaev, V. I. Kuz'min, S. G. Ovchinnikov. - P .27
Fedorov, A. S. DFT investigation of electronic and optical magnetic properties of one dimensional transition metal halide structuresTmHaI3 : Invited / A. S. Fedorov [и др.]. - P .20
Другие авторы: Kuzubov A. A., Kovaleva E. A., Popova M. I., Kholtobina A. S., Mikhaleva N. S., Visotin M. A.
Ovchinnikov, S. G. Effect of interatomic exchange interaction on spin crossover and Mott-Hubbard transition under high pressure and the physical properties of the low Earth’s mantle : Invited / S. G. Ovchinnikov [и др.]. - P .26
Другие авторы: Orlov Yu. S., Nikolaev S., Nesterov A., Ovchinnikova T.
Tarasov, I. A. Extremely high magnetic-field sensitivity of charge transport in the Mn/SiO2/p-Si hybrid structure / I. A. Tarasov [и др.]. - P .21
Другие авторы: Smolyakov D. A., Rautskii M. V., Lukyanenko A. V., Yakovlev I. A., Ovchinnikov S. G., Volkov N. V.
Volkov, N. V. Marnetic-field sensitivity of charge transport in silicon-based hybrid structures : Invited / N. V. Volkov [et al.]. - P .10
Другие авторы: Tarasov A. S., Rautskii M. V., Lukyanenko A. V., Varnakov S. N., Bondarev I. A., Ovchinnikov S. G.
Lukyanenko, A. V. Fabrication of multi-terminal planar devices based on epitaxial Fe1-xSix films grown on Si(111) / A. V. Lukyanenko, A. S. Tarasov, I. A. Tarasov [et al.] ; A. V. Luyanenko [и др.]. - P .28
Другие авторы: Tarasov A. S., Tarasov I. A., Bondarev I. A., Smolyarova T. E., Yakovlev I. A., Volochaev M. N., Varnakov S. N., Ovchinnikov S. G., Volkov N. V.
Rautskii, M. V. Magnetic field-driven lateral photovoltaic effect in the Fe/SiO2/p-Si hibrid structure with the Scottky barrier / M. V. Rautskii [и др.]. - P .29
Другие авторы: Tarasov A. S., Varnakov S. N., Bondarev I. A., Volochaev M. N., Lukyanenko A. V., Volkov N. V.
Moryachkov, R. Small angle X-ray scattering and atomic structure of aptamer biomolecules / R. Moryachkov [и др.]. - P .14-15
Другие авторы: Tomilin F. N., Shchugoreva I., Spiridonova V., Peters G., Zabluda V.
Tarasov, I. A. Iron silicides and pure iron epitaxial and highly-textured nanostructures on silicon: growth and their physical properties : Invited / I. A. Tarasov [и др.]. - P .23
Другие авторы: Visotin M. A., Solovyov L. A., Rautskii M. V., Zhandun, V. S., Nemtsev I. V., Yakovlev I. A., Varnakov S. N, Ovchinnikov, S. G.
Sokolov, A. E. Magnetic nanoparticles and DNA-aptamers conjugates for diagnostics and therapy of cancer : Invited / A. E. Sokolov [и др.]. - P .13
Другие авторы: Zamay S., Zamay T., Svetlichnyi V., Velikanov D.
Sandalov, I. S. The microscopic origin of ferromagnetism in Fe silicides : Invited / I. S. Sandalov [и др.]. - P .16
Другие авторы: Zamkova N. G., Zhandun V. S., Ovchinnikov, S. G.

Материалы конференции
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Ovchinnikov, S. G. \предс. прогр. ком.\; Овчинников, Сергей Геннадьевич; Lukyanenko, A. V.; Varnakov, S. N.; Bondarev, I. A.; Ovchinnikov, S. G.; Tarasov, I. A.; Svetlichnyi, V.; Velikanov, D. A.; Spiridonova, V.; Peters, G.; Zabluda, V. N.; Popova, M. I.; Kholtobina, A. S.; Mikhaleva, N. S.; Visotin, M. A.; Yakovlev, I. A.; Volkov, N. V.; Rautskii, M. V.; Zhandun, V. S.; Nemtsev, I. V.; Varnakov, S. N; Mistonov, A.; Shabanov, A. V.; Terentiev, K. Yu.; Nesterov, A.; Ovchinnikova, T.; Smolyarova, T. E.; Volochaev, M. N.; Federal Research Center KSC SB RAS; Kirensky Institute of Physics; Siberian Federal Univercity; International Workshop on Actual Problems of Condensed Matter Physics (27 Mar. - 1 Apr. 2017 ; Krasnoyarsk / Cheremushki)
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2.


   
    Transport and magnetic properties of Y3/4Lu1/4Ba2Cu3O7+Y3Fe5O12 composites representing a Josephson-type superconductor-ferrimagnet-superconductor weak-link network / K. A. Shaikhutdinov [et al.] // Phys. Solid State. - 2003. - Vol. 45, Is. 10. - P. 1866-1873, DOI 10.1134/1.1620087. - Cited References: 36 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
RESISTIVE PROPERTIES
   JUNCTION NETWORK

   SYSTEM

   TRANSITION

   CURRENTS

   VOLTAGE

   STATE

   FIELD

Аннотация: Y3/4Lu1/4Ba2Cu3O7 + Y3Fe5O12 composites with different volume ratios of the starting components were synthesized. The composites model an S-F-S Josephson junction network, where S stands for a superconductor and F, for a ferrimagnet. A study of the transport characteristics of the composites revealed that the temperature behavior of the electrical resistivity rho(T) below the superconducting transition point T-C is different in two regions separated by a temperature T-m. Below T-m, the current-voltage characteristics of the composites are nonlinear, while in the interval from T-C to T-m the values of rho(T) do not depend on the transport current j and magnetic field H. This behavior of rho(T, j ) and rho(T, H) is assigned to specific features of the tunneling of superconducting carriers through the ferrimagnetic layers separating HTSC grains in the composite. Magnetic measurements showed the diamagnetic response of HTSC grains to be lower in composites with a ferrimagnet. (C) 2003 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Petrov, M. I.; Петров, Михаил Иванович
}
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3.


   
    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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4.


   
    Anomalous transport properties of a paramagnetic NiTiO3+HTSC two-phase system representing a random Josephson junction network / M. I. Petrov [et al.] // JETP Letters. - 2002. - Vol. 75, Is. 3. - P. 138-141, DOI 10.1134/1.1469500. - Cited References: 23 . - ISSN 0021-3640
РУБ Physics, Multidisciplinary
Рубрики:
RESISTIVE PROPERTIES
   CRITICAL CURRENTS

   SNS JUNCTIONS

   COMPOSITES

Аннотация: Composites representing a network of random Josephson junctions and characterized by the compositions 92.5 at. % Y3/4Lu1/4Ba2Cu3O7 + 7.5 at. % NiTiO3 and 92.5 at. % Y3/4Lu1/4Ba2Cu3O7 + 7.5 at.% MgTiO3 are synthesized, and their magnetoresistance properties are studied. The temperature dependence of the resistance R(T) measured for the composite that contains the paramagnetic NiTiO3 compound exhibits a characteristic feature below the superconducting transition temperature T-c of the high-T-c superconductor, namely, a region where R is independent of the current j and weakly depends on the magnetic field H. Below a certain temperature T-m, a strong dependence of R on j and H is observed, which is peculiar to a network of Josephson junctions. The dependences R(T, j, H) obtained for the "reference" samples with the nonmagnetic MgTiO3 compound exhibit no such features. The anomalous behavior of the HTSC + NiTiO3 composite is explained by the effect produced by the magnetic moments of Ni atoms in the insulating barriers on the transport current. (C) 2002 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Popkov, S. I.; Попков, Сергей Иванович
}
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5.


    Alekseev, K. N.
    Pendulum limit, chaos and phase-locking in the dynamics of ac-driven semiconductor superlattices / K. N. Alekseev, F. V. Kusmartsev // Phys. Lett. A. - 2002. - Vol. 305, Is. 5. - P. 281-288, DOI 10.1016/S0375-9601(02)01420-2. - Cited References: 60 . - ISSN 0375-9601
РУБ Physics, Multidisciplinary
Рубрики:
STRANGE NONCHAOTIC ATTRACTORS
   DC VOLTAGE GENERATION

   JOSEPHSON-JUNCTIONS

   GAAS/ALAS SUPERLATTICE

   BLOCH OSCILLATIONS

   TERAHERTZ RADIATION

   ELECTRIC-FIELD

   THZ RADIATION

   FREQUENCY

   TRANSPORT

Кл.слова (ненормированные):
semiconductor superlattice -- pendulum -- chaos -- phase-locking -- Josephson junction -- Chaos -- Josephson junction -- Pendulum -- Phase-locking -- Semiconductor superlattice -- analytic method -- analytical parameters -- article -- dynamics -- electric potential -- semiconductor -- temperature
Аннотация: We describe a limiting case when nonlinear dynamics of an ac-driven semiconductor superlattice in the miniband transport regime is governed by a periodically forced and damped pendulum equations. We find analytically the conditions for a transition to chaos. With increasing temperature the chaos disappears. We also discuss fractional do voltage states in a superlattice originating from phase-locked states of the pendulum. (C) 2002 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Oulu Univ, Dept Phys Sci, FIN-90014 Oulu, Finland
LV Kirenskii Inst Phys, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Loughborough Univ Technol, Dept Phys, Loughborough LE11 3TU, Leics, England
ИФ СО РАН
Department of Physical Sciences, University of Oulu, P.O. Box 3000, FIN-90014, Oulu, Finland
Theory of Nonlin. Proc. Laboratory, Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation
Department of Physics, Loughborough University, Loughborough LE11 3TU, United Kingdom

Доп.точки доступа:
Kusmartsev, F. V.
}
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6.


   
    The effect of paramagnetic impurities in normal metal on the critical current in a network of S-N-S Josephson junctions in bulk Y3/4Lu1/4Ba2Cu3O7+BaPb(1-x)Fe(x)O(3)composites / D. A. Balaev [et al.] // Supercond. Sci. Technol. - 2003. - Vol. 16, Is. 1. - P. 60-64, DOI 10.1088/0953-2048/16/1/311. - Cited References: 41 . - ISSN 0953-2048
РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   WEAK LINKS

   RESISTIVE PROPERTIES

   MAGNETIC-IMPURITIES

   EXCHANGE FIELD

   SNS JUNCTIONS

   F-S

   COMPOSITES

   SUPERCONDUCTOR

   SCATTERING

Кл.слова (ненормированные):
Critical currents -- Interfaces (materials) -- Josephson junction devices -- Paramagnetism -- Transport properties -- Non-superconducting ingredient -- Paramagnetic impurities -- Superconductor normal metal superconductor -- Oxide superconductors
Аннотация: Bulk Y3/4Lu1/4Ba2Cu3O7 + BaPb1-xFexO3 composites representing a model of a network of superconductor-normal metal-superconductor (SNS) Josephson junctions with paramagnetic impurities (Fe) in the N layers have been prepared. The transport properties of the composites have been studied. An exponential decay of the critical current with increasing Fe content in the non-superconducting ingredient of the composite has been observed. Such a behaviour is accounted for in terms of the de Gennes proximity effect theory.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Ospishchev, S. V.; Petrov, M. I.; Петров, Михаил Иванович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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7.


   
    Thermally activated dissipation in a novel foamed Bi-based oxide superconductor in magnetic fields / K. A. Shaykhutdinov [et al.] // Supercond. Sci. Technol. - 2007. - Vol. 20, Is. 6. - P. 491-494, DOI 10.1088/0953-2048/20/6/001. - Cited References: 20 . - ISSN 0953-2048
РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
FLUX
   BI2SR2CACU2O8+DELTA

   MECHANISM

   PHASE

   FILMS

Кл.слова (ненормированные):
Bismuth compounds -- Josephson junction devices -- Magnetic field effects -- Transport properties -- Resistive transitions -- Thermally activated dissipation -- Oxide superconductors
Аннотация: The transport properties of a novel foamed superconductor Bi1.8Pb0.3Sr1.9Ca2Cu3Ox have been studied. As the analysis of resistive transitions in a magnetic field shows, the dissipation follows a thermally activated flux creep model with the temperature- independent pinning potential in S-N-S-type Josephson junctions.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Boreskov Inst Catalysis, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, Akademgorodok 50, 660036 Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, Lavrent'ev avenue 5, 630090 Novosibirsk, Russian Federation

Доп.точки доступа:
Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Vasilyev, A. D.; Martyanov, O. N.; Petrov, M. I.; Петров, Михаил Иванович
}
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8.


   
    Crossover from S-I-S to S-F-S junctions in composites Y3/4Lu1/4Ba2Cu3O7+Y-3(Al1-xFex)(5)O-12 / S. I. Popkov [et al.] // Physica C. - 2007. - Vol. 460: 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (JUL 09-14, 2006, Dresden, GERMANY). - P. 1311-1312, DOI 10.1016/j.physc.2007.03.348. - Cited References: 4 . - ISSN 0921-4534
РУБ Physics, Applied

Кл.слова (ненормированные):
S-F-S structures -- high-T-C superconductors -- High-TC superconductors -- S-F-S structures -- Ferrimagnetic materials -- Garnets -- Josephson junction devices -- Magnetization -- Transport properties -- Yttrium alloys -- Critical concentration -- Ferrimagnet junctions -- Magneto-active ions -- Super current carriers -- High temperature superconductors
Аннотация: The transport properties of the two phases composites based on Y3/4Lu1/4Ba2Cu3O7 (YBCO) and Y-3(Al1-xFex)(5)O-12 (X = 0-0... 1.0) have been studied to investigate the effect of magnetic ordering in garnet on superconducting properties of the composites. The composites represent network of Josephson junctions where the non-superconducting ingredient (garnet) acts as barriers separating YBCO grains. It is found that magneto-active ions (Fe) in garnet are responsible for an additional suppression of Josephson coupling in the composites. At some critical concentration of Fe atoms full suppression of super current is observed in a temperature range from T-C of YBCO grains down to the characteristic temperature T,,,. This behavior is attributed to the interaction of super current carriers with spins of Fe atoms located in the barriers. The crossover from S-I-S (S-superconductor, I-insulator) to S-F-S (F-ferrimagnet) junctions is observed in the compdsites Y3/4Lu1/4Ba2Cu3O7 + Y-3(Al1-xFex)(5)O-12 with x increase. (c) 2007 Elsevier B.V. All rights reserved.

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

Доп.точки доступа:
Popkov, S. I.; Попков, Сергей Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Petrov, M. I.; Петров, Михаил Иванович
}
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9.


    Petrov, M. I.
    Andreev reflection and experimental temperature dependences of the critical current in heterogeneous high-temperature superconductors (polycrystals and related composites) / M. I. Petrov, D. A. Balaev, D. M. Gokhfeld // Phys. Solid State. - 2007. - Vol. 49, Is. 4. - P. 619-626, DOI 10.1134/S106378340704004X. - Cited References: 41 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   NORMAL-METAL

   WEAK LINKS

   JOSEPHSON-JUNCTIONS

   MODEL

   SCATTERING

   TRANSPORT

   DISSIPATION

   HYSTERESIS

Аннотация: The temperature dependences of the critical current of Y3/4Lu1/4Ba2Cu3O7 polycrystalline high-temperature superconductors subjected to annealing for different times and those of Y3/4Lu1/4Ba2Cu3O7 + BaPbO3 composites were measured. The results obtained were analyzed in terms of the Gunsenheimer-Schussler-Kummler theory considering the Andreev reflection of carriers in a "superconductor-normal metal-superconductor" (S-N-S) junction. Good agreement between the experimental and theoretical temperature dependences of the critical current over a wide temperature range for polycrystals with both natural and artificially created boundaries (composites) made it possible to estimate the effective length of grain boundaries in the high-temperature superconductors. It was revealed that the critical current density measured at 4.2 K is an exponential function of the length of grain boundaries in samples of both types.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Петров, Михаил Иванович
}
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10.


   
    Symmetry breaking in a driven and strongly damped pendulum / J. . Isohatala [et al.] // Phys. Rev. E. - 2005. - Vol. 71, Is. 6. - Ст. 66206, DOI 10.1103/PhysRevE.71.066206. - Cited References: 37 . - ISSN 1539-3755
РУБ Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
DC VOLTAGE GENERATION
   SEMICONDUCTOR SUPERLATTICES

   JOSEPHSON-JUNCTIONS

   BLOCH OSCILLATIONS

   FORCED PENDULUM

   CHAOS

   FREQUENCY

   SYSTEMS

   RECTIFICATION

   STANDARD

Кл.слова (ненормированные):
Periodically driven pendulums -- Symmetry breaking -- Bifurcation (mathematics) -- Damping -- Dynamics -- Nonlinear systems -- Semiconductor superlattices -- Pendulums
Аннотация: We examine the conditions for appearance of a symmetry breaking bifurcation in damped and periodically driven pendulums in the case of strong damping. We show that symmetry breaking, unlike other nonlinear phenomena, can exist at high dissipation. We prove that symmetry breaking phases exist between phases of symmetric normal and symmetric inverted oscillations. We find that symmetry broken solutions occupy a smaller region of the pendulum's parameter space in comparison to the statements made in earlier considerations [McDonald and Plischke, Phys. Rev. B 27, 201 (1983)]. Our research on symmetry breaking in a strongly damped pendulum is relevant to an understanding of the phenomena of dynamic symmetry breaking and rectification in pure ac driven semiconductor superlattices.

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Держатели документа:
Univ Oulu, Dept Phys Sci, FIN-90014 Oulu, Finland
LV Kirenskii Inst Phys, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
ИФ СО РАН
Department of Physical Sciences, P. O. Box 3000, Oulu FIN-90014, Finland
Theory of Nonlinear Processes Laboratory, Kirensky Institute of Physics, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Isohatala, J.; Alekseev, K. N.; Kurki, L. T.; Pietilainen, P.
}
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11.


    Gokhfeld, D. M.
    Description of hysteretic current-voltage characteristics of superconductor-normal metal-superconductor junctions / D. M. Gokhfeld // Supercond. Sci. Technol. - 2007. - Vol. 20, Is. 1. - P. 62-66, DOI 10.1088/0953-2048/20/1/011. - Cited References: 24 . - ISSN 0953-2048
РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTOR
   WEAK LINKS

   POLYCRYSTALLINE HTSC

   ANDREEV REFLECTION

   SIMPLIFIED MODEL

   COMPOSITES

   TRANSPORT

Кл.слова (ненормированные):
Computational methods -- Current voltage characteristics -- Electric resistance -- Josephson junction devices -- Mathematical models -- Yttrium barium copper oxides -- Andreev reflection -- Metal superconductor junctions -- Metallic Josephson junction -- Weak links -- Semiconductor junctions
Аннотация: A simplified model for the current-voltage characteristics of weak links is suggested. It is based on an approach considering the multiple Andreev reflection in a metallic Josephson junction. The model allows one to calculate the current-voltage characteristics of superconductor-normal metal-superconductor junctions with different thicknesses of normal layer at different temperatures. A hysteretic peculiarity of the V(I) dependence is described as a result of the negative differential resistance. The current-voltage characteristics of tin microbridges and high- T-c composite YBCO + BaPbO3 were computed.

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Держатели документа:
RAS, SD, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L V Kirensky Institute of Physics, SD RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Гохфельд, Денис Михайлович
}
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12.


   
    A DC superconducting fault current limiter using die-pressed YBa2Cu3O7 ceramic / A. G. Mamalis [et al.] // Supercond. Sci. Technol. - 2001. - Vol. 14, Is. 6. - P. 413-416, DOI 10.1088/0953-2048/14/6/316. - Cited References: 14 . - ISSN 0953-2048
РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   WEAK LINKS

   COMPOSITES

Кл.слова (ненормированные):
Current voltage characteristics -- Electric fault currents -- High temperature applications -- Josephson junction devices -- Polycrystalline materials -- Fault current limiter devices -- Superconducting materials
Аннотация: A model of a superconducting fault current limiter on a polycrystalline high-temperature superconductor basis is checked in the dc short circuit regime. Protection of load takes place under the conditions described in this paper. The use of ceramic materials with superconducting-normal metal-superconducting Josephson junction network having an S-type current-voltage characteristic (CVC) is shown to be effective for fault current limiter devices.

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Держатели документа:
Natl Tech Univ Athens, Dept Engn Mech, Mfg Technol Div, GR-10682 Athens, Greece
LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Res Inst Phys & Engn, Krasnoyarsk 660036, Russia
ИФ СО РАН
Manufacturing Technology Division, Mechanical Engineering Department, National Technical University of Athens, Greece
Kirensky Institute of Physics, 660036 Krasnoyarsk, Russian Federation
Research Institute of Physics and Engineering, Krasnoyarsk State University, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mamalis, A. G.; Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Gohfeld, D. M.; Militsyn, S. V.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Kirko, V. I.; Vottea, I. N.
}
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13.


    Val'kov, V. V.
    Electron transport through Josephson junction containing a dimeric structure / V. V. Val’kov, S. V. Aksenov // J. Low Temp. Phys. - 2016. - Vol. 185, Is. 5-6. - P. 446-452, DOI 10.1007/s10909-016-1545-5. - Cited References: 23. - This study was supported by the Presidium of the Russian Academy of Sciences, Program "Actual problems of low temperature physics”; the Russian Foundation for Basic Research, Projects Nos. 13-02-00523, 14-02-31280, and 15-42-04372; and the Scholarship of the President of the Russian Federation No. SP-6361.2013.5 . - ISSN 0022-2291
   Перевод заглавия: Электронный транспорт в джозефсоновском контакте, содержащем димерную структуру
Кл.слова (ненормированные):
Josephson junction -- Andreev reflection -- Spin-flip processes -- Spin dimer
Аннотация: The dc Josephson effect in a superconductor/dimeric molecule/superconductor junction has been investigated by means of the nonequilibrium Green’s function method and the Keldysh diagram technique. The application of the atomic representation has allowed to simplify considerably the computation of the supercurrent and occupation numbers and receive the general expressions which take into account all processes of the Andreev reflection in the loopless approach. It is significant that the expressions for the current and occupation numbers are valid for different multilevel structures in the Josephson junction. The sf-exchange interaction between the electron spin and the spins of the dimer leads to the suppression of the critical current due to a new set of Andreev bound states. © 2016, Springer Science+Business Media New York.

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Доп.точки доступа:
Aksenov, S. V.; Аксенов, Сергей Владимирович; Вальков, Валерий Владимирович
}
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14.


    Batiyev, E. G.
    Oscillations in Josephson-Junctions of superconducting films / E. G. Batiyev, V. A. Borisyuk // Fiz. Nizk. Temp. - 1984. - Vol. 10, Is. 4. - P. 341-347. - Cited References: 11 . - ISSN 0132-6414
РУБ Physics, Applied


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Доп.точки доступа:
Borisyuk, V.A.
}
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15.


   
    Inverted opals as the Josephson networks of weak links / S. I. Popkov [et al.] // The International conference on strongly correlated electron systems (SCES2017) : abstracts. - 2017. - Ст. Th-3-44

Материалы конференции

Доп.точки доступа:
Popkov, S. I.; Попков, Сергей Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Bykov, A. A.; Быков, Алексей Анатольевич; Mistonov, A.; Shabanov, A. V.; Шабанов, Александр Васильевич; Terentiev, K. Yu.; Терентьев, Константин Юрьевич; International conference on strongly correlated electron systems(2017 ; 17-21 July ; Prague)
}
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16.


    Kolovsky, A. R.
    Josephson oscillation in the open two-site Bose-Hubbard system / A. R. Kolovsky // Europhys. Lett. - 2022. - Vol. 139, Is. 5. - Ст. 50002, DOI 10.1209/0295-5075/ac8cae. - Cited References: 39. - The author thanks D. N. Maksimov for fruitful discussions and acknowledges financial support from the Russian Science Foundation through Grant No. 19-12-00167 . - ISSN 0295-5075
Аннотация: We analyze Josephson's oscillation of Bose particles in the open two-site Bose-Hubbard system. First, we excite the system from the vacuum state into a state suitable for observing the oscillation by using a special protocol for external driving. Next, we switch off the driving and observe the oscillation. It is shown that the main mechanism for the decay of Josephson's oscillation is the dephasing due to the fluctuating number of particles in open systems. An analytical estimate for the decay time is obtained.

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Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Коловский, Андрей Радиевич
}
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17.


   
    Superconductivity on interfaces of nonsuperconducting granules La2CuO4 and La1.56Sr0.44CuO4 / A. A. Bykov [et al.] // J. Supercond. Nov. Magn. - 2018. - Vol. 31, Is. 12. - P. 3867–3874, DOI 10.1007/s10948-018-4668-x. - Cited References: 19. - The authors are grateful to D.A. Balaev for fruitful discussions, and I.V. Nemtsev for electronic microscope measurements in the center for shared use, KSC SB RAS. The work is supported by the Russian Science Foundation (project No. 17-72-10067). . - ISSN 1557-1939
   Перевод заглавия: Сверхпроводимость на интерфейсах несверхпроводящих гранул La2CuO4 и La1.56Sr0.44CuO4
Кл.слова (ненормированные):
Magnetic properties -- Superconductivity -- Oxide superconductors -- Grain boundaries -- LCO -- LSCO -- Josephson media
Аннотация: Composite materials fabricated by annealing of nonsuperconducting ceramics La2CuO4 and La1.56Sr0.44CuO4 at 910 °C during various time are investigated. Areas of superconducting La1.85Sr0.15CuO4 phase arises at boundaries of contacting nonsuperconducting granules. The volume fraction of the superconducting phase increases with increasing annealing time. A model describing the magnetic and transport properties of the samples at low magnetic fields is constructed. The magnetotransport characteristics of obtained samples at low magnetic fields (∼ 100 Oe) are defined by weak links network formed by superconducting areas. At high fields, behavior of the system is defined by a magnetization of the disconnected superconducting islands. The average size of the superconducting areas has been estimated from an extended critical state model.

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Держатели документа:
Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre “Kurchatov Institute”, Gatchina, 1, mkr., Orlova roshcha, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Bykov, A. A.; Terent'ev, K. Yu.; Терентьев, Константин Юрьевич; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Savitskaya, N. E.; Popkov, S. I.; Попков, Сергей Иванович; Petrov, M. I.; Петров, Михаил Иванович
}
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18.


   
    Investigation of the Josephson coupling through a magnetoactive barrier (ferrimagnet, paramagnet) in Y3/4Lu1/4Ba2Cu3O7+Y-3(Al1-xFex)(5)O-12 composites / D. A. Balaev [et al.] // Phys. Solid State. - 2006. - Vol. 48, Is. 11. - P. 2046-2055, DOI 10.1134/S1063783406110023. - Cited References: 41 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
S-F-S
   MAGNETIC-PROPERTIES

   RESISTIVE PROPERTIES

   JUNCTION NETWORK

   SUPERCONDUCTOR

   Y3FE5-XALXO12

   TRANSITION

   TRANSPORT

   METAL

   FIELD

Аннотация: The transport properties of two-phase composites consisting of a high-temperature superconductor and a nonsuperconducting component with magnetic ordering are analyzed. These composites are considered as a network of "superconductor-magnetoactive insulator-superconductor" weak links of the Josephson type. Substituted garnets Y-3(Al1 - x Fe (x) )(5)O-12 (x = 0, ..., 1.0) are used as a magnetoactive component. The composites under investigation contain 92.5 vol % Y3/4Lu1/4Ba2Cu3O7 (the high-temperature superconductor) and 7.5 vol % Y-3(Al1 - x Fe (x) )(5)O-12 (x = 0, ..., 1.0). It is shown that an increase in the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet leads to a reduction of the Josephson coupling strength: the temperature range in which the electrical resistance of the composites is equal to zero is reduced, and the critical current density at a temperature of 4.2 K decreases exponentially. For composites in which the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet is higher than 0.1, the temperature dependence of the electrical resistance R(T) at temperatures below the transition point T-C of high-temperature superconductor crystallites has a portion in the range T-m -T-C where the resistance R(T) is independent of the transport current and the magnetic field strength. Below the temperature T-m , the dependences of the electrical resistance R(T) of the composites are nonlinear functions of the current and involve a considerable contribution from magnetoresistance. This behavior is characteristic of a network of Josephson junctions. The temperature T-m decreases with an increase in the iron content in the Y-3(Al1 - x Fe (x) )(5)O-12 garnet. The appearance of the above feature in the temperature dependences of the electrical resistance R(T) is interpreted as complete suppression of the Josephson coupling in the temperature range above T (m) due to the interaction of supercurrent carrier pairs with magnetic moments of iron atoms in the dielectric barriers separating high-temperature superconductor grains.

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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19.


   
    Effect of thermal fluctuations on the resistive properties of HTSC+CuO composites / M. I. Petrov [et al.] // Phys. Solid State. - 1997. - Vol. 39, Is. 11. - P. 1749-1750, DOI 10.1134/1.1130163. - Cited References: 11 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
JOSEPHSON-JUNCTIONS
Аннотация: The effect of thermally activated phase slippage (TAPS) on the resistive properties of Y3/4Lu1/4Ba2Cu3O7+O-7 composites has been studied. The experimental temperature dependences of the electrical resistance are described in terms of the TAPS mechanism using the temperature dependences of the tunnel-junction critical current. (C) 1997 American Institute of Physics.

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Держатели документа:
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Br. Russ. Acad. of Sci., 660036 Krasnoyarsk, Russian Federation

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
}
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20.


   
    Mechanisms of dissipation in a Josephson medium based on a high-temperature superconductor in a magnetic field / D. A. Balaev [et al.] // Phys. Solid State. - 2006. - Vol. 48, Is. 5. - P. 826-832, DOI 10.1134/S1063783406050039. - Cited References: 32 . - ISSN 1063-7834
РУБ Physics, Condensed Matter
Рубрики:
RESISTIVE TRANSITION
   PHASE-SLIP

   TRANSPORT-PROPERTIES

   MAGNETORESISTANCE

   SYSTEM

   MODEL

   YBA2CU3O7-X

   PENETRATION

   COMPOSITES

   HYSTERESIS

Аннотация: This paper reports on the results of an investigation into the influence of magnetic fields (0-60 kOe) on the temperature dependences of the electrical resistance R(T) of the Y3/4Lu1/4Ba2Cu3O7 + CuO composites. The structure of these composites is considered to be a network of tunnel-type Josephson junctions in which a nonsuperconducting component (CuO) forms boundaries (barriers) between high-temperature superconducting crystallites. The temperature dependence R(T) of the composites has two steps characteristic of granular superconductors: (i) an abrupt change in the electrical resistance at the critical temperature of high-temperature superconducting crystallites and (ii) a smooth transition to the superconducting state under the influence of the boundaries between the crystallites. The experimental dependences R(T) are analyzed within the Ambegaokar-Halperin model of thermal fluctuations in Josephson junctions and the flux creep model. An increase in the magnetic field leads to a crossover from the Ambegaokar-Halperin mechanism to the flux creep mechanism. The temperature dependences R(T) in the range of weak magnetic fields (from 0 to 10(2) Oe) are adequately described by the relationship following from the Ambegaokar-Halperin model. In the range of strong magnetic fields (from 10(3) to 6 x 10(4) Oe), the dissipation obeys the Arrhenius law R similar to exp(-U(H)/T)], which is characteristic of the flux creep model with a temperature-independent pinning energy U(H). The effective Josephson coupling energies and the pinning energies corresponding to the Ambegaokar-Halperin and flux creep mechanisms are determined.

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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