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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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    Aleksandrov, K. S.
    Hierarchies of perovskite-like crystals (Review) / K. S. Aleksandrov, V. V. Beznosikov // Phys. Solid State. - 1997. - Vol. 39, Is. 5. - P. 695-715, DOI 10.1134/1.1130120. - Cited References: 143 . - ISSN 1063-7834
Рубрики:
CU-O SYSTEM
   HIGH-PRESSURE SYNTHESIS
   SUPERCONDUCTING COPPER OXIDES
   STRUCTURAL PHASE-TRANSITIONS
   NEUTRON POWDER DIFFRACTION
   SINGLE-CRYSTAL
   X-RAY
   CUPRATE SUPERCONDUCTORS
   DIELECTRIC-PROPERTIES
   HOMOLOGOUS SERIES
Аннотация: A system of mutual relationships (a hierarchy) is constructed between various perovskite-like crystal structures based on available structural data. All the perovskite-like structures are characterized by a common indicator of their relationship-the presence of layers, stacks, or frameworks made up of BX6 octahedra linked at their vertices (where B is a cation, X is an anion) or fragments of octahedra in the form of BX5 pyramids or BX4 squares in anion-deficient compounds. In layered structures, these stacks are joined to each other by various intermediate blocks. It is well known that one homological series of compounds is constructed by increasing the number of layers in a stack while preserving the same kind of connecting block. Crystals of various series that contain identical stacks (but different blocks of one or two types) can also be related to one another via this feature. The hierarchical system includes compounds with small distortions in their structures for various reasons. (C) 1997 American Institute of Physics.

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Публикация на русском языке Александров, Кирилл Сергеевич. Иерархия перовскитоподобных кристаллов (Обзор) [Текст] / К. С. Александров, Б. В. Безносиков // Физ. тверд. тела. - Санкт-Петербург, 1997. - Т. 39 Вып. 5. - С. 785-808

Доп.точки доступа:
Beznosikov, B. V.; Безносиков, Борис Валерьевич; Александров, Кирилл Сергеевич
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Andreev reflections and experimental current-voltage characteristics of break junctions of polycrystalline HTSC / M. I. Petrov [et al.] // Physica C. - 2004. - Vol. 408: 7th International Conference on Materials and Mechanisms of Superconductive and High Temperature Superconductors (MAY 25-30, 2003, Rio de Janeiro, BRAZIL). - P. 620-622, DOI 10.1016/j.physc.2004.03.085. - Cited References: 3 . - ISSN 0921-4534

РУБ Physics, Applied

Кл.слова (ненормированные):
Andreev reflections -- break junction -- current-voltage characteristics -- Andreev reflections -- Break junction -- Current-voltage characteristics -- Andreev reflections -- Break junctions -- Elastic scattering -- Lattice defects -- Negative differential resistance -- Electric fields -- Heuristic methods -- Hysteresis -- Microcracks -- Polycrystalline materials -- Probability density function -- Quasicrystals -- Superconducting materials -- Yttrium barium copper oxides -- Current voltage characteristics
Аннотация: The temperature evolution of current-voltage characteristics (CVCs) of break junctions made from polycrystalline Y0.75Lu0.25Ba2Cu3O7 and La1.85Sr0.15CuO4 is investigated. The experimental CVCs have hysteretic features that reflect a part of a curve with negative differential resistance. The temperature evolution of the CVCs is discussed within the framework of the Kummel-Gunsenheimer-Nicolsky theory for superconductor/normal-metal/superconductor junctions considering multiple Andreev reflections. It is shown that the shape of the CVCs of break junctions is determined by the ratio of the number of "short" and "long" intergrain normal regions in the polycrystalline HTSC under investigation. (C) 2004 Elsevier B.V. All rights reserved.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Univ Wurzburg, Inst Theoret Phys & Astrophys, D-97074 Wurzburg, Germany
ИФ СО РАН
Kirensky Intitute of Physics, Akademgorodok, 660036 Krasnoyarsk, Russian Federation
Reshetnev Siberian Stt. Aerosp. U., 660014 Krasnoyarsk, Russian Federation
Inst. fur Theor. Phys./Astrophys., Universitat Wurzburg, D-97074 Wurzburg, Germany

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaihutdinov, K. A.; Kummel, R.
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Avramov, P. V.
Effects of the intense electron correlations on the shape of x-ray CuK absorption spectra of La2-xSrxCuO4 / P. V. Avramov, S. G. Ovchinnikov // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. - Vol. 108, Is. 4. - P. 1479-1488. - Cited References: 28 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
HIGH-TC SUPERCONDUCTIVITY
   EDGE STRUCTURE
   LA2CUO4
   SATELLITES
   ALPHA
   EXCITATIONS
   COPPER
   OXIDES
   STATE
   SHAKE

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Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Аврамов, Павел Вениаминович
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Avramov, P. V.
Non-diagram transitions in polarized X-ray absorption CuL(3) spectra of HTSC-ceramics / P. V. Avramov, S. G. Ovchinnikov // Fiz. Tverd. Tela. - 1996. - Vol. 38, Is. 11. - P. 3226-3240. - Cited References: 28 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
HIGH-TC SUPERCONDUCTIVITY
   LA2CUO4
   ALPHA
   SATELLITES
   STATES
   OXIDES
   XANES

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Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Аврамов, Павел Вениаминович
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Beznosikov, B. V.
Crystal chemistry and structure of expected compounds A2BX4. II. Oxides, selenides, and sulfides 061A2B6+X4 2- and 080A2 2+B4+X4 2-. / B. V. Beznosikov, K. S. Aleksandrov // Sov. Phys.: Crystallogr. - 1985. - Vol. 30, Is. 5. - P. 533-535 ; Crystallography Reports ; Kristallografiya
Аннотация: Predictions of A2BX4 compounds for compositions 071A2 +B6+X4 2- with type structures of K2MgF4, beta -K2SO4, spinel, olivine, thenardite, phenacite, Sr2PbO4, and Pb3O4 are presented. K2MgF4 type structures are known and probable only in oxides and sulphides with hexavalent uranium because their formation is limited by the size of the hexavalent B cation. Structures of the beta -K2SO4 type are stable in compounds with large A cations. Among the sulphides with 076A2 +B6+X4 2-, the spinel crystal structure is as yet unknown, but is most probable in compounds with A+ = Li, Na, Ag, and with B6+ = Mo, W, and U. The olivine type structure is known only in Ag2CrO4, and no new compounds with this structure are expected to be found. A phenacite structure is probable only in three new oxides and in some sulphides with Li as A+. A thenardite type structure is probable in oxides with B6+ = Fe and Mn, but sulphides are unlikely. For 076A2 2+B4+X4 2- compounds with large A2+ ions and B4+ ions with radii from 0.57 A to RB 0.48RA + 0.11, a K2MgF4 structure would exist. For even larger A ions, the Sr2PbO4 structure would exist. In oxides with cations A2+ = Pb and Sn, compounds with Pb3O4 type structures are probable.-D.F.P.

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Публикация на русском языке Безносиков, Борис Валерьевич. Кристаллохимия и структуры ожидаемых соединений A2BX4. II. Оксиды, сульфиды, селениды составов A2[+]B[6+]X4[2-],A2[2+]D[4+]X4[2-1] [Текст] / Б. В. Безносиков, К. С. Александров // Кристаллография. - 1985. - Т. 30 Вып. 5. - С. 919-922

Держатели документа:
Siberian Branch of the Academy of Sciences, USSR.

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Безносиков, Борис Валерьевич

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Beznosikov, B. V.
Crystal chemistry and structure of expected compounds A2BX4. III. Oxides, sulfides, and selenides 076A2 3+B2+X4 2-. / B. V. Beznosikov, K. S. Aleksandrov // Sov. Phys.: Crystallogr. - 1985. - Vol. 30, Is. 5. - P. 535-536 ; Crystallography Reports ; Kristallografiya
Аннотация: Predictions are made for A2BX4 compounds with the composition 076A3+B2+X4 2- having the structural types of K2MgF4, spinel, olivine, phenacite, Th3P4 and Fe2CaO4. Of the >2000 new compounds possible for A2BX4, about 40% will have spinel-type structures, 14% will be of the phenacite type, 13% of the olivine type, 10% of the Fe2CaO4 type, 9% of the beta -K2SO4 type, and 8% of the K2MgF4 type.-D.F.P.

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Публикация на русском языке Безносиков, Борис Валерьевич. Кристаллохимия и структуры ожидаемых соединений A2BX4. III. Оксиды, сульфиды, селениды составов A2[3+]B[2+]X4[2-1] [Текст] / Б. В. Безносиков, К. С. Александров // Кристаллография. - 1985. - Т. 30 Вып. 5. - С. 923-926

Держатели документа:
Inst. of Physics, Siberian Branch of Academy of Sciences, USSR.

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Безносиков, Борис Валерьевич

}
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Beznosikov, B. V.
Perovskite-like crystals of the Ruddlesden-Popper series / B. V. Beznosikov, K. S. Aleksandrov // Crystallogr. Rep. - 2000. - Vol. 45, Is. 5. - P. 792-798, DOI 10.1134/1.1312923. - Cited References: 28 . - ISSN 1063-7745

РУБ Crystallography
Рубрики:
CUPRATE
OXIDES
Аннотация: The layer perovskite-like structures of the so-called Ruddlesden-Popper phases have been analyzed in terms of crystal chemistry. The geometrical boundaries of the existence ranges of these compounds with multilayer stacks are determined and new phases of this type are predicted. The possible variants of related structures are also considered. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Безносиков, Борис Валерьевич
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Bikbaev, R. G.
Transparent conductive oxides for the epsilon-near-zero Tamm plasmon polaritons: publisher's note (vol 36, pg 2817, 2019) / R. G. Bikbaev, S. Y. Vetrov, I. V. Timofeev // J. Opt. Soc. Am. B. - 2020. - Vol. 37, Is. 1. - P. 167-167, DOI 10.1364/JOSAB.385427. - Cited References: 1. - The reported study was funded by Russian Foundation for Basic Research project No. 18-32-00053 and by a joint project of the Russian Foundation for Basic Research, project no. 19-52-52006, and the Taiwan Ministry of Science and Technology, project no. 108-2923E-009-003-MY3 . - ISSN 0740-3224. - ISSN 1520-8540

РУБ Optics

Аннотация: This publisher’s note corrects the funding and acknowledgment sections in J. Opt. Soc. Am. B 36, 2817 (2019)

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Держатели документа:
RAS, Kirensky Inst Phys, Fed Res Ctr, KSC,SB, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Бикбаев, Рашид Гельмединович; Russian Foundation for Basic Research Russian Foundation for Basic Research (RFBR) [19-52-52006, 18-32-00053]; Taiwan Ministry of Science and Technology [108-2923E-009-003-MY3]
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10.

Bikbaev, R. G.
Transparent conductive oxides for the epsilon-near-zero Tamm plasmon polaritons / R. G. Bikbaev, S. Ya Vetrov, I. V. Timofeev // J. Opt. Soc. Am. B. - 2019. - Vol. 36, Is. 10. - P. 2817-2823, DOI 10.1364/JOSAB.36.002817. - Cited References: 44. - The reported study was funded by RFBR according to the research project No 18-32-00053 and financial support RFBR and MOST according to the research project No 19-52-52006. . - ISSN 0740-3224
Кл.слова (ненормированные):
Aluminum oxide -- II-VI semiconductors -- Indium compounds -- Infrared devices -- Optical films -- Phonons -- Photons -- Plasmons -- Q factor measurement -- Tin oxides -- Transfer matrix method -- Transparent conducting oxides -- Zinc oxide
Аннотация: We demonstrate the possibility of using transparent conducting oxides [aluminum-doped zinc oxide (AZO), gallium-doped zinc oxide (GZO), indium tin oxide (ITO)] to form Tamm plasmon polaritons in the near-infrared spectral range where the permittivity of oxides is near zero. The spectral properties of the structures are investigated in the framework of the temporal coupled-mode theory and confirmed by the transfer matrix method. It is found that in the critical coupling conditions, the maximal Q-factor of a Tamm plasmon polariton is achieved when a photonic crystal is conjugated with the AZO film, while at the conjugation with the ITO films, the broadest spectral line is obtained. The sensitivity of the wavelength and spectral width of the Tamm plasmon polariton to changes in the oxide film thickness, bulk concentration of a dopant, and angle of incidence is demonstrated.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Бикбаев, Рашид Гельмединович
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