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Interplay of magnetic and superconducting subsystems in Ho-doped YBCO / D. M. Gokhfeld, S. V. Semenov, K. Y. Terentyev [et al.] // J. Supercond. Nov. Magn. - 2021. - Vol. 34. Is. 10. - P. 2537-2543, DOI 10.1007/s10948-021-05954-3. - Cited References: 26. - This work was supported by the Russian Foundation for Basic Research and the Government of the Krasnoyarsk Territory, Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project "Superconducting properties of YBCO incorporated by paramagnetic rare-earth elements" No. 20-42-240008 . - ISSN 1557-1939. - ISSN 1557-1947

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
TEMPERATURE
   TRANSPORT
   PEAK
   DY
   SUSCEPTIBILITY
   TRANSITION
   BEHAVIOR
Кл.слова (ненормированные):
Peak effect -- Bulk superconductors -- Critical current -- Pinning -- X-ray diffraction -- YBCO -- Doping -- Paramagnetic magnetization
Аннотация: Superconducting and paramagnetic contributions to the magnetization of polycrystalline Y1−xHoxBa2Cu3O7−δ samples were investigated. The superconductivity is responsible for a partial screening of magnetic ions from an external magnetic field and for a possible sinking of antiferromagnetic correlations between these ions. Magnetic moments of Ho ions influence on a peak effect induced by the order–disorder transition of the Abrikosov vortex lattice. The critical current density and the critical temperature of YBCO are not changed by the Ho doping.

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

Доп.точки доступа:
Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Semenov, S. V.; Семёнов, Сергей Васильевич; Terentyev, K. Yu.; Терентьев, Константин Юрьевич; Yakimov, I. S.; Balaev, D. A.; Балаев, Дмитрий Александрович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of the Krasnoyarsk Territory, Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities, project "Superconducting properties of YBCO incorporated by paramagnetic rare-earth elements" [20-42-240008]
}
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3D optical vortex lattices / D. A. Ikonnikov, S. A. Myslivets, V. G. Arkhipkin, A. M. Vyunishev // Ann. Phys.-Berlin. - 2021. - Vol. 533, Is. 7. - Ст. 2100114, DOI 10.1002/andp.202100114. - Cited References: 29. - This work was supported by the Russian Science Foundation (Grant No. 19-12-00203).The surface grating was fabricated and characterized at the Center for Collective Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. The authors thank M. N. Volochaev and A. I. Zaitsev for help . - ISSN 0003-3804. - ISSN 1521-3889

РУБ Physics, Multidisciplinary
Рубрики:
MANIPULATION
   PARTICLES
   ARRAY
   BEAMS
   GENERATION
   TRANSPORT
   VORTICES
Кл.слова (ненормированные):
optical lattices -- optical vortices -- Talbot effect
Аннотация: Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D optical lattices of optical vortices can be formed using the Talbot effect, with these predictions confirmed by the experimental reconstruction of all 3D optical vortex lattices. The periodicity of the 3D optical vortex lattices is determined by the light wavelength and periodicity of a transparency mask. Furthermore, it is shown that the optical vortices are created and annihilated during light propagation behind the mask with the preservation of the total topological charge. The 3D optical vortex lattices are considered to be tolerant to the perturbations induced by trapped particles caused by the features of the Talbot effect. The 3D optical vortex lattices open new possibilities for light-matter interactions and the related applications.

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

Доп.точки доступа:
Ikonnikov, D. A.; Иконников, Денис Андреевич; Myslivets, S. A.; Мысливец, Сергей Александрович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Russian Science FoundationRussian Science Foundation (RSF) [19-12-00203]
}
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Spin accumulation in the Fe3Si/n-Si epitaxial structure and related electric bias effect / A. S. Tarasov, A. V. Luk'yanenko, I. A. Bondarev [et al.] // Tech. Phys. Lett. - 2020. - Vol. 46, Is. 7. - P. 665-668, DOI 10.1134/S1063785020070135. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities (project no. 18-42-243022), and a Grant of the Government of the Russian Federation for Creation of World Level Laboratories (agreement no. 075-15-2019-1886) . - ISSN 1063-7850. - ISSN 1090-6533

РУБ Physics, Applied
Рубрики:
TRANSPORT
Кл.слова (ненормированные):
iron silicide -- ferromagnet/semiconductor structures -- Hanle effect -- spin accumulation -- electric spin injection
Аннотация: The electrical injection of the spin-polarized current into silicon in the Fe3Si/n-Si epitaxial structure is demonstrated. The spin accumulation effect is examined by measuring the local and nonlocal voltage in a special four-terminal device. The observed effect of the electric bias on the spin signal is discussed and compared with the results obtained for ferromagnet/semiconductor structures.

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Публикация на русском языке Эффект спиновой аккумуляции в эпитаксиальной структуре Fe3Si/n-Si и влияние на него электрического смещения [Текст] / А. С. Тарасов, А. В. Лукьяненко, И. А. Бондарев [и др.] // Письма в Журн. техн. физ. - 2020. - Т. 46 № 13. - С. 43-46

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Luk'yanenko, A. V.; Лукьяненко, Анна Витальевна; Bondarev, I. A.; Бондарев, Илья Александрович; Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk krai; Krasnoyarsk Territorial Foundation [18-42-243022]; Grant of the Government of the Russian Federation for Creation of World Level Laboratories [075-15-2019-1886]
}
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Balaev, D. A.
Tunnel Conductivity and Tunnel Magnetoresistance of the Fe-SiO Films: Interplay of the Magnetotransport and Magnetic Properties / D. A. Balaev, A. D. Balaev // Phys. Solid State. - 2019. - Vol. 61, Is. 7. - P. 1203-1210, DOI 10.1134/S1063783419070047. - Cited References: 48 . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
GIANT MAGNETORESISTANCE
   GRANULAR FILMS
   TEMPERATURE
   TRANSPORT
Аннотация: The electrical properties of a system of nanogranular amorphous Fe–SiO films with a SiO concentration between 0 and 92 vol % have been investigated. The samples with a low SiO content are characterized by the metal-type conductivity. With an increase in the dielectric content x in the films, the concentration transition from the metal to tunneling conductivity occurs at x ≈ 0.6. At the same concentration, the ferromagnet–superparamagnet transition is observed, which was previously investigated by the magnetic method. The temperature dependences of the electrical resistivity ρ(T) for the compositions corresponding to the dielectric region obey the law ρ(T) ~ exp(2(C/kT)1/2), which is typical of the tunneling conductivity. The estimation of the metal grain sizes from the tunneling activation energy C has shown good agreement with the sizes obtained previously by analyzing the magnetic properties. In the dielectric region of the compositions, the giant magnetoresistive effect attaining 25% at low temperatures has been obtained.

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Публикация на русском языке

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Balaev, A. D.; Балаев, Александр Дмитриевич; Балаев, Дмитрий Александрович
}
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Room temperature spin accumulation effect in boron doped Si created by epitaxial Fe3Si/p-Si Schottky contact / A. S. Tarasov [et al.] // J. Surf. Ingestig. - 2018. - Vol. 12, Is. 4. - P. 633-637, DOI 10.1134/S1027451018040171. - Cited References: 33. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project nos. 16-42-243046, 16-42-242036 and 16-42-243060. . - ISSN 1027-4510. - ISSN 1819-7094

РУБ Physics, Condensed Matter
Рубрики:
HYBRID STRUCTURES
   CURRENT-VOLTAGE
   FILMS
   TRANSPORT
   SILICON
Кл.слова (ненормированные):
spintronics -- hybrid structures -- Schottky diode -- Hanle effect -- spin -- accumulation
Аннотация: To study spin-dependent transport phenomena in Fe3Si/p-Si structures we fabricated 3-terminal planar microdevices and metal/semiconductor diode using conventional photolithography and wet chemical etching. IaEuro'V curve of prepared diode demonstrates rectifying behavior, which indicates the presence of Schottky barrier in Fe3Si/p-Si interface. Calculated Schottky barrier height is 0.57 eV, which can provide necessary conditions for spin accumulation in p-Si. Indeed, in 3-terminal planar device with Fe3Si/p-Si Schottky contact Hanle effect was observed. By the analysis of Hanle curves spin lifetime spin diffusion length in p-Si were calculated, which are 145 ps and 405 nm, respectively (at T = 300 K). Spin lifetime strongly depends on temperature which can be related to the fact that spin-dependent transport in our device is realized via the surface states. This gives a perspective of creation of spintronic devices based on metal/semiconductor structure without need for forming tunnel or Schottky tunnel contact.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Bondarev, I. A.; Бондарев, Илья Александрович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, I. A.; Тарасов, Иван Анатольевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [16-42-243046, 16-42-242036, 16-42-243060]
}
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Kagan, M. Yu..
Coulomb interactions-induced perfect spin-filtering effect in a quadruple quantum-dot cell / M. Y. Kagan, V. V. Val'kov, S. V. Aksenov // J. Magn. Magn. Mater. - 2017. - Vol. 440: EURO-Asian Symposium on Trends in Magnetism (EASTMAG) (AUG 15-19, 2016, Siberian Fed Univ, Krasnoyarsk, RUSSIA). - P. 15-18, DOI 10.1016/j.jmmm.2016.12.106. - Cited References:29. - We acknowledge fruitful discussions with P.I. Arseyev, N.S. Maslova, V.N. Mantsevich and R.Sh. Ikhsanov. This work was supported by the Comprehensive programme SB RAS no. 0358-2015-0007, the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research projects nos. 15-02-03082, 16-42-243056, 16-42-242036, 17-42-240441. M.Yu.K. thanks the Program of Basic Research of the National Research University Higher School of Economics for support. . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
SPINTRONICS
TRANSPORT
MODEL
Кл.слова (ненормированные):
Spin filter -- Quantum interference -- Fano-Feshbach resonance -- Coulomb -- correlations
Аннотация: A quadruple quantum-dot (QQD) cell is proposed as a spin filter. The transport properties of the QQD cell were studied in linear response regime on the basis of the equations of motion for retarded Green's functions. The developed approach allowed us to take into account the influence of both intra-and interdot Coulomb interactions on charge carriers' spin polarization. It was shown that the presence of the insulating bands in the conductance due to the Coulomb correlations results in the emergence of spin-polarized windows (SPWs) in magnetic field leading to the high spin polarization. We demonstrated that the SPWs can be effectively manipulated by gate fields and considering the hopping between central dots in both isotropic and anisotropic regimes.

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Доп.точки доступа:
Val'kov, V. V.; Вальков, Валерий Владимирович; Aksenov, S. V.; Аксенов, Сергей Владимирович; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН
}
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NMR applications for polymer composite materials moisture uptake investigation / V. M. Bouznik [et al.] // Appl. Magn. Reson. - 2016. - Vol. 47, Is. 3. - P. 321-334, DOI 10.1007/s00723-015-0748-2. - Cited References: 41. - This research was performed with the financial support of Russian Foundation for Basic Research (project no. 14-29-10178 ofi_m). . - ISSN 0937-9347

РУБ Physics, Atomic, Molecular & Chemical + Spectroscopy
Рубрики:
FIELD GRADIENT NMR
   REINFORCED EPOXY COMPOSITES
   WATER SELF-DIFFUSION
   TRANSPORT
   GLASS
   SYSTEM
   SPECTROSCOPY
   TEMPERATURE
   ABSORPTION
   ADHESIVE
Аннотация: The 1H nuclear magnetic resonance (NMR) spectroscopy, NMR imaging, and pulsed field gradient NMR (PFG NMR) were applied for comparative study of moisture–polymer composite materials (PCM) interaction. The water uptake in PCM reinforced by aramid and carbon fibers was measured by NMR spectroscopy techniques. The aramid fiber-reinforced PCM absorbs water more intensively compared with PCM reinforced by carbon fiber, but both of them are retaining water inside of pores without formation of chemical bonds. Using NMR imaging the spatial distribution of water absorbed was visualized; preferable water pathways and influence of surface treatment on water-resistant properties were revealed. It was found that the surface rough treatment sufficiently improves the water absorption, but penetration of water molecules is still occurring only through the surfaces and it happens within a thin layer. PFG NMR technique revealed influence of pore structure on moisture–PCM interaction; it was found that additionally to strong hydrophobic properties of carbon fiber, the smaller total volume of pores sufficiently decrease the water uptake. Results achieved in this work demonstrate efficiency of NMR methods applied all together for investigation of PCM, and information obtained is practically important when designing advanced PCM with required properties. © 2016, Springer-Verlag Wien.

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Держатели документа:
Institute of Problems of Chemical Physics RAS, Chernogolovka, Russian Federation
All-Russian Scientific Research Institute of Aviation Materials, Moscow, Russian Federation
Kirensky Institute of Physics SB RAS, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology SB RAS, Krasnoyarsk, Russian Federation
Science Center in Chernogolovka of the Russian Academy of Sciences, Chernogolovka, Russian Federation

Доп.точки доступа:
Bouznik, V. M.; Morozov, E. V.; Морозов, Евгений Владимирович; Avilova, I. A.; Volkov, V. I.
}
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Bulgakov, E. N.
Spin polarized bound states in the continuum in open Aharonov-Bohm rings with the Rashba spin-orbit interaction / E. N. Bulgakov, A. F. Sadreev // J. Phys.: Condens. Matter. - 2016. - Vol. 28, Is. 26. - Ст. 265301, DOI 10.1088/0953-8984/28/26/265301. - Cited References:59. - This work has been supported by Russian Science Foundation through grant 14-12-00266. We acknowledge discussions with D N Maksimov and K N Pichugin. . - ISSN 0953-8984. - ISSN 1361-648X

РУБ Physics, Condensed Matter
Рубрики:
Degenerate states
   Nuclear reactions
   Unified theory
   Quantum
   Transport
   Dynamics
   Decay
Кл.слова (ненормированные):
Aharonov-Bohm ring -- Rashba spin-orbit interaction -- bound states in the continuum
Аннотация: We consider the trapping of electrons with a definite spin polarization by bound states in the continuum (BSC) in the open Aharonov-Bohm rings in the presence of the Rashba spin-orbit interaction (RSOI). Neglecting the Zeeman term we show the existence of BSCs in the one-dimensional ring when the eigenstates of the closed ring are doubly degenerate. With account of the Zeeman term BSCs occur only at the points of threefold degeneracy. The BSCs are found in the parametric space of flux and RSOI strength in close pairs with opposite spin polarization. Thereby the spin polarization of electrons transmitted through the ring can be altered by minor variation of magnetic or electric field at the vicinity of these pairs. Numerical simulations of the two-dimensional open ring show similar results for the BSCs. Encircling the BSC points in the parametric space of the flux and the RSOI constant gives rise to a geometric phase.

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Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Science Foundation [14-12-00266]
}
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    Weak localization and size effects in thin In2O3 films prepared by autowave oxidation / I. A. Tambasov [et al.] // Physica E. - 2016. - Vol. 84. - P. 162-167, DOI 10.1016/j.physe.2016.06.005. - Cited References:70. - This study was supported by the Russian Foundation for Basic Research (Grants # 16-32-00302 MOJI_a, # 15-02-00948-A, # 16-03-00069-A), by the Council for Grants of the President of the Russian Federation (SP-317.2015.1), and by the Program of Foundation for Promotion of Small Enterprises in Science and Technology (No. 6662 Gamma Y2015, 9607 Gamma Y/2015) ("UMNIK" Program). Electron microscopic studies were performed on the equipment of CCU KSC SB RAS. . - ISSN 1386-9477. - ISSN 1873-1759
   Перевод заглавия: Слабая локализация и размерные эффекты в тонких пленках In2O3 приготовленные автоволновым окислением

РУБ Nanoscience & Nanotechnology + Physics, Condensed Matter
Рубрики:
SOLID-STATE SYNTHESIS
   INDIUM TIN OXIDE
   DOPED ZNO FILMS
   OPTICAL-PROPERTIES
   MAGNETIC-FIELD
   NEGATIVE MAGNETORESISTANCE
   CARBON NANOTUBES
   TEMPERATURE
   SEMICONDUCTOR
   TRANSPORT
Кл.слова (ненормированные):
Thin indium oxide films -- Weak localization -- Electron-electron -- interaction -- Disordered semiconductors -- Nanostructured films -- Phase-coherent length
Аннотация: The negative magnetoresistance of thin In2O3 films, obtained by an autowave oxidation reaction, was detected within a temperature range of 4.2-80 K. The magnetoresistance was -1.35% at a temperature of 4.2 K and an external magnetic field of 1 T. A weak localization theory was used to explain the negative magnetoresistance and to determine the phase-coherence length in a temperature range of 4.2-80 K. The phase-coherence length was found to oscillate as the temperatures increased to around 30 K. From the maximum and minimum values of the oscillation of the phase-coherence length, it was suggested that the In2O3 film has two structure characteristic parameters. Transmission electron microscopy showed the structure of the thin In2O3 film to have structural features of a crystal phase- amorphous phase. It was found that the crystalline phase characteristic size was consistent with the maximum phase-coherence length and the amorphous phase characteristic size was consistent with the minimum phase-coherence length. It has been suggested that the temperature measurements of the magnetoresistance and the theory of weak localization can be used to evaluate the structural features of nanocomposite or nanostructured thin films. (C) 2016 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk Worker 31, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Tarasov, A. S.; Тарасов, Антон Сергеевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Matsynin, A. A.; Мацынин, Алексей Александрович; Tambasova, E. V.; Russian Foundation for Basic Research [16-32-00302 MOJI_a, 15-02-00948-A, 16-03-00069-A]; Council for Grants of the President of the Russian Federation [SP-317.2015.1]; Program of Foundation for Promotion of Small Enterprises in Science and Technology ("UMNIK" Program) [6662GammaY2015, 9607GammaY/2015]
}
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10.

    Ultrafine particles derived from mineral processing: A case study of the Pb-Zn sulfide ore with emphasis on lead-bearing colloids / Y. Mikhlin [et al.] // Chemosphere. - 2016. - Vol. 147. - P. 60-66, DOI 10.1016/j.chemosphere.2015.12.096. - Cited References: 47. - This research was supported by the Russian Science Foundation, Grant No. 14-17-00280. . - ISSN 0045-6535
   Перевод заглавия: Ультрадисперсные частицы, полученные при переработке минерального сырья: комплексный анализ колчеданной руды Pb-Zn и коллоидных частиц, содержащих свинец

РУБ Environmental Sciences
Рубрики:
GALENA DISSOLUTION
   METALLIC COPPER
   NANOPARTICLES
   SOIL
   ENVIRONMENT
   SEPARATION
   TRANSPORT
   FLOTATION
   WATER
   SIZE
Кл.слова (ненормированные):
Lead sulfide -- Lead-zinc ore -- Lead sulfide -- Ultrafine particles -- Aquatic nanoparticles
Аннотация: Although mining and mineral processing industry is a vast source of heavy metal pollutants, the formation and behavior of micrometer- and nanometer-sized particles and their aqueous colloids entered the environment from the technological media has received insufficient attention to date. Here, the yield and characteristics of ultrafine mineral entities produced by routine grinding of the Pb-Zn sulfide ore (Gorevskoe ore deposit, Russia) were studied using laser diffraction analysis (LDA), dynamic light scattering (DLS) and zeta potential measurement, microscopy, X-ray photoelectron spectroscopy, with most attention given to toxic lead species. It was revealed, in particular, that the fraction of particles less that 1 ?m in the ground ore typical reaches 0.4 vol. %. The aquatic particles in supernatants were micrometer size aggregates with increased content of zinc, sulfur, calcium as compared with the bulk ore concentrations. The hydrodynamic diameter of the colloidal species decreased with time, with their zeta potentials remaining about -12 mV. The colloids produced from galena were composed of 20-50 nm PbS nanoparticles associated with lead sulfate and thiosulfate, while the surface oxidation products at precipitated galena were largely lead oxyhydroxides. The size and zeta potential of the lead-bearing colloids decreased with time down to about 100 nm and from -15 mV to -30 mV, respectively. And, conversely, lead sulfide nanoparticles were mobilized before the aggregates during redispersion of the precipitates in fresh portions of water. The potential environmental impact of the metal-bearing colloids, which is due to the large-scale production and relative stability, is discussed. © 2015 Elsevier Ltd.

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Держатели документа:
Inst. of Chemistry and Chemical Technology, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, 50/24, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny pr. 79, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mikhlin, Y.; Vorobyev, S.; Romanchenko, A.; Karasev, S.; Karacharov, A.; Zharkov, S. M.; Жарков, Сергей Михайлович
}
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11.

Study of electrical and thermoelecrical properties of sulfides TmxMn1-xS / S. S. Aplesnin [et al.] // Phys. Solid State. - 2016. - Vol. 58, Is. 1. - P. 19-24, DOI 10.1134/S1063783416010029. - Cited References: 25. - This study was supported by the Russian Foundation for Basic Research (project no. 15-42-04099 r_si-bir_a) and State Contract no. 114090470016. . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
SmxMn1-xS solid-solutions
   MnS
   Gd
   Transition
   Transport
   Crystal
Аннотация: Variable-valence TmxMn1–xS (0 ⩽ x ⩽ 0.15) compounds have been synthesized and their structural, electrical, and thermoelectrical properties have been studied in the temperature range of 80–1100 K. The regions of existence of solid solutions of sulfides TmxMn1–xS with the NaCl-type fcc lattice have been determined. It has been found that, as thulium ions are substituted for manganese cations, the electrical resistivity increases, and the lattice parameter increases more sharply than that corresponding to the Vegard’s law. The study of the temperature dependences of the thermopower coefficient has revealed that the current carrier sign is retained to 500 K for all the substitution concentrations, and the charge carrier type changes from the hole type to the electron type with variations in the temperature. The experimental data have been explained in terms of the exciton model.

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Публикация на русском языке Исследование электрических и термоэлектрических свойств сульфидов TmxMn1-xS [Текст] / С. С. Аплеснин [и др.] // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2016. - Т. 58 Вып. 1. - С. 21-26

Держатели документа:
Kirensky Institute of Metals, Siberian Branch of the Russian Academy of Sciences, Akademgorodok 50–38, Krasnoyarsk, Russian Federation
Reshetnikov Siberian Aerospace University, pr. imeni Gazety “Krasnoyarskii Rabochii” 31, Krasnoyarsk, Russian Federation
Scientific–Practical Materials Centre, National Academy of Sciences of Belarus, ul. P. Brovki 19, Minsk, Belarus
Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, Russian Federation

Доп.точки доступа:
Aplesnin, S. S.; Аплеснин, Сергей Степанович; Romanova, O. B.; Романова, Оксана Борисовна; Galyas, A. I.; Sokolov, V. V.
}
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12.

    Thermite synthesis and characterization of Co-ZrO2 ferromagnetic nanocomposite thin films / V. G. Myagkov [et al.] // J. Alloys Compd. - 2016. - Vol. 665. - P. 197-203, DOI 10.1016/j.jallcom.2015.12.257. - Cited References: 56. - This study was partially supported by the Russian Foundation for Basic Research (grants ##15-02-00948, 14-03-00515), by the Council for Grants of the President of the Russian Federation (SP-317.2015.1), and by the program of the Foundation for Assistance to Small Innovative Enterprises in Science and Technology (“UMNIK” program). The TEM studies were carried out using the facilities of Electron Microscopy Laboratory of Siberian Federal University and the Performance Service at Krasnoyarsk Scientific Center. . - ISSN 0925-8388
   Перевод заглавия: Термитный синтез и исследование ферромагнитных нанокомпозитных тонких пленок Co-ZrO2

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
SOLID-STATE SYNTHESIS
   PHASE-FORMATION
   ZrO2
   NANOPARTICLES
   TRANSPORT
   OXIDE
   MICROSTRUCTURE
   NANOTHERMITE
   FABRICATION
   PARTICLES
Кл.слова (ненормированные):
Thermite reactions -- Reactive films -- Ferromagnetic nanocomposite films -- ZrO2
Аннотация: Co-ZrO2 ferromagnetic nanocomposite thin films were successfully synthesized using a new thermite reaction between Zr and Co3O4 in layer geometry. The initial Zr/Co3O4 bilayers were obtained by the deposition of Zr layers onto Co3O4 films at room temperature. The process of mixing at the Zr/Co3O4 interface and synthesis of fine-crystalline Co and amorphous ZrO2 phases started at a temperature above the initiation temperature Tin ∼250 °C which did not depend on the bilayer thickness. For the bilayer thickness more than 300 nm high-temperature fcc-Co and cubic c-ZrO2 (or tetragonal t-ZrO2) phases were formed. For the bilayer thickness less than ∼50 nm stable low-temperature hexagonal hcp-Co and monoclinic m-ZrO2 phases were also present in the reaction product. A partial transformation from Co3O4 to CoO occurred after annealing at 300 °C. The secondary reaction between CoO and Zr started soon after Co3O4 had been converted to the CoO phase. After annealing at 500 °C more than 80% of Co was reduced and the final product contained Co nanoparticles above and below the superparamagnetic critical size embedded into a dielectric ZrO2 matrix. The synthesized Co-ZrO2 nanocomposite films possessed soft magnetic behavior, high magnetization and good chemical stability.

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Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zharkov, S. M.; Жарков, Сергей Михайлович; Matsynin, A. A.; Мацынин, Алексей Александрович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна
}
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13.

    Sadreev, A. F.
    Gate controlled resonant widths in double-bend waveguides: bound states in the continuum / A. F. Sadreev, D. N. Maksimov, A. S. Pilipchuk // J. Phys.: Condens. Matter. - 2015. - Vol. 27, Is. 29. - Ст. 295303, DOI 10.1088/0953-8984/27/29/295303. - Cited References:52. - This work is supported by the Russian Science Foundation through Grant No. 14-12-00266. AS is grateful K-F Berggren for discussions. . - ISSN 0953. - ISSN 1361-648X
   Перевод заглавия: Управление резонансными ширинами в двух-коленных волноводах: связанные состояния в континууме

РУБ Physics, Condensed Matter
Рубрики:
CIRCULAR BENDS
   NUCLEAR REACTIONS
   FANO RESONANCES
   UNIFIED THEORY
   QUANTUM
   TRANSMISSION
   TRANSPORT
   SYSTEMS
Кл.слова (ненормированные):
double-bent waveguide -- effective non-Hermittian Hamiltonian -- bound -- states in the continuum
Аннотация: We consider quantum transmission through double-bend Pi- and Z-shaped waveguides controlled by the finger gate potential. Using the effective non-Hermitian Hamiltonian approach we explain the resonances in transmission. We show a difference in transmission in the short waveguides that is the result of different chirality in Z and Pi waveguides. We demonstrate that the potential selectively affects the resonant widths resulting in the occurrence of bound states in the continuum.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660080, Russia.

Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Садреев, Алмаз Фаттахович; Russian Science Foundation [14-12-00266]
}
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14.

    Bound states in the continuum in open acoustic resonators / A. A. Lyapina [et al.] // J. Fluid Mech. - 2015. - Vol. 780. - P. 370-387, DOI 10.1017/jfm.2015.480. - Cited References: 48. - This work has been supported by Russian Science Foundation through grant 14-12-00266. . - ISSN 0022-1120
   Перевод заглавия: Связанное состояние в континууме в открытом акустическом резонаторе

РУБ Mechanics + Physics, Fluids & Plasmas
Рубрики:
TRAPPED MODES
   FANO RESONANCES
   COMPLEX RESONANCES
   PARALLEL PLATES
   SIDE-BRANCHES
   WAVE-GUIDES
   ABSORPTION
   TRANSPORT
   CHANNELS
   SYSTEM
Кл.слова (ненормированные):
aeroacoustics -- noise control -- wave scattering
Аннотация: We consider bound states in the continuum (BSCs) or embedded trapped modes in two- and three-dimensional acoustic axisymmetric duct-cavity structures. We demonstrate numerically that, under variation of the length of the cavity, multiple BSCs occur due to the Friedrich-Wintgen two-mode full destructive interference mechanism. The BSCs are detected by tracing the resonant widths to the points of the collapse of Fano resonances where one of the two resonant modes acquires infinite life-time. It is shown that the approach of the acoustic coupled mode theory cast in the truncated form of a two-mode approximation allows us to analytically predict the BSC frequencies and shape functions to a good accuracy in both two and three dimensions. © 2015 Cambridge University Press.

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Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Lyapina, A. A.; Ляпина, Алина Андреевна; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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15.

Pichugin, K. N.
Spin-orbit effects in carbon nanotubes - Analytical results / K. N. Pichugin, M. Pudlak, R. G. Nazmitdinov // Eur. Phys. J. B. - 2014. - Vol. 87, Is. 6. - Ст. 124, DOI 10.1140/epjb/e2014-50076-6. - Cited References: 21 . - ISSN 1434-6028. - ISSN 1434-6036

РУБ Physics, Condensed Matter
Рубрики:
ELECTRONS
TRANSPORT
GRAPHENE
Аннотация: Energy spectra and transport properties of armchair nanotubes with curvature induced spin-orbit interaction are investigated thoroughly. The spin-orbit interaction consists of two terms: the first one preserves the spin symmetry in rotating frame, while the second one breaks it. It is found that the both terms are equally important: (i) at scattering on the potential step which mimics a long-range potential in the nanotubes; (ii) at transport via nanotube quantum dots. It is shown that an armchair nanotube with the first spin-orbit term works as an ideal spin-filter, while the second term produces a parasitic inductance.

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Держатели документа:
Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Inst Expt Phys, Kosice 04001, Slovakia
Univ Illes Balears, Dept Fis, Palma de Mallorca 07122, Spain
Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

Доп.точки доступа:
Pudlak, M.; Nazmitdinov, R. G.; Пичугин, Константин Николаевич
}
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16.

Gokhfeld, D. M.
An extended critical state model: Asymmetric magnetization loops and field dependence of the critical current of superconductors / D. M. Gokhfeld // Phys. Solid State. - 2014. - Vol. 56, Is. 12. - P. 2380-2386, DOI 10.1134/S1063783414120129. - Cited References: 37 . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
CRITICAL-CURRENT DENSITY
   HIGH-TEMPERATURE SUPERCONDUCTORS
   II SUPERCONDUCTORS
   SURFACE-BARRIER
   MGB2
   TRANSPORT
   MOTION
   J(C)
   PEAK
Аннотация: An extended critical state model has been developed. The model has considered the equilibrium magnetization of a surface layer and the magnetization of the central region of a superconducting sample. The magnetic flux distributions in the sample have been calculated. An analytical dependence of the critical current density on the magnetic field with different behaviors in strong and weak fields has been proposed. A relation of the asymmetry of the magnetization loops and the critical current density to the sample size has been established. The model is applicable to the parameterization of magnetization loops of single-crystal and polycrystalline superconductors.

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Публикация на русском языке Гохфельд, Денис Михайлович. Расширенная модель критического состояния: асимметричные петли намагниченности и полевые зависимости критического тока сверхпроводников [Текст] / Д. М. Гохфельд // Физ. тверд. тела : Физико-технический институт им. А. Ф. Иоффе РАН, 2014. - Т. 56 Вып. 12. - С. 2298-2304

Доп.точки доступа:
Гохфельд, Денис Михайлович
}
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17.

Fractal dimension of cluster boundaries in porous polycrystalline HTSC materials / A. A. Bykov [et al.] // Phys. Solid State. - 2012. - Vol. 54, Is. 10. - P. 1947-1950, DOI 10.1134/S1063783412100095. - Cited References: 20 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
CURRENT-VOLTAGE CHARACTERISTICS
   ELECTRICAL-CONDUCTIVITY
   PERCOLATION
   MIXTURES
   MEDIA
   SUPERCONDUCTORS
   TRANSPORT
   SPHERES
Аннотация: The fractal dimension of the boundaries of clusters formed by pores and granules in polycrystalline materials is shown to be determined by the sample density and crystallite sizes. The dependence of the fractal dimension on the density has a maximum. It is shown that the maximum diamagnetic response can be obtained in a porous high-temperature superconductor with a porosity of 50-60% and small crystallite sizes.

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Публикация на русском языке Фрактальная размерность границ кластеров в пористых поликристаллических ВТСП-материалах [Текст] / А. А. Быков [и др.] // Физ. тверд. тела : Физико-технический институт им. А.Ф.Иоффе РАН, 2012. - Т. 54 Вып. 10. - С. 1825-1828

Держатели документа:
[Bykov, A. A.
Terent'ev, K. Yu.
Gokhfeld, D. M.
Petrov, M. I.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Bykov, A. A.; Быков, Алексей Анатольевич; Terent'yev, K. Yu.; Терентьев, Константин Юрьевич; Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Petrov, M. I.; Петров, Михаил Иванович
}
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18.

    Vinogradova, I. S.
    Formation of the vascular system of developing bean (Phaseolus limensis L.) seeds according to nuclear magnetic resonance microtomography / I. S. Vinogradova, O. V. Falaleev // Russ. J. Dev. Biol. - 2012. - Vol. 43, Is. 1. - P. 25-34, DOI 10.1134/S1062360412010079. - Cited References: 57. - The work was supported by the targeted program "Development of the Research Potential of Higher School" (project no. 2.1.1/2584). . - ISSN 1062-3604
Рубрики:
NMR MICROSCOPY
   WATER-UPTAKE
   COWPEA FRUIT
   PLANTS
   PHLOEM
   TRANSPORT
   FLOW
   ARCHITECTURE
   GRAINS
   IMAGE
Кл.слова (ненормированные):
H-1 magnetic resonance microtomography -- lima bean (Phaseolus limensis) seeds -- seed development and ripening -- vascular bundles -- transport of assimilates
Аннотация: H-1 magnetic resonance microtomography imaging was applied to study vascular systems in developing bean (Phaseolus limensis L.) seeds. Using the gradient echo method, we recorded 2D tomographic sections in the sagittal and axial planes of the fruits sampled from a vegetating plant on days 10, 17, 24, and 31 after fertilization. Any vascular connection between the tissues of maternal plant (bean pod and seed coat) and the embryo were undetectable. The embryo has an autonomous branched network of procambial strands in the cotyledons, converging to the embryonic axis. The bean pods are covered with a network of vascular bundles; large vascular strands run along the dorsal and ventral sutures. The seed coat vascular bundles are formed in the process of seed ripening and are represented by a developed vascular system multiply branching in the middle part of the ground parenchyma at the stage of physiological maturity. They are connected with the source of assimilates via the lateral pod veins and a large vascular bundle, entering the seed below the hilum via the placenta. Assimilates enter the external part of the seed coat, which contains no vascular bundles, via the funiculus vascular bundles and hilum tissue.

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Публикация на русском языке

Держатели документа:
[Vinogradova, I. S.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia
[Falaleev, O. V.] Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirenskii Inst Phys, Akademgorodok 660036, Russia

Доп.точки доступа:
Falaleev, O. V.; Фалалеев, Олег Владимирович; Виноградова, Ирина Семеновна
}
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19.

Electronic Structure of p-Type La1-xMx2+MnO3 Manganites in the Ferromagnetic and Paramagnetic Phases in the LDA plus GTB Approach / V. A. Gavrichkov [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 112, Is. 5. - P. 860-876, DOI 10.1134/S1063776111030101. - Cited References: 47. - This study was supported financially by integration project no. 40 of the Ural and Siberian Branches of the Russian Academy of Sciences, the program "Strong Electron Correlations" of the Russian Academy of Sciences, and the Russian Foundation for Basic Research (project no. 10-02-00251-a). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
DOUBLE-EXCHANGE
   COLOSSAL MAGNETORESISTANCE
   THIN-FILMS
   PHYSICS
   LA1-XSRXMNO3
   RESISTIVITY
   SEPARATION
   TRANSPORT
   MODEL
Кл.слова (ненормированные):
Complex structure -- Cubic materials -- Ferromagnetic phase -- Half metals -- Jahn Teller effect -- Metal properties -- Metal types -- Orbitals -- P-type -- Paramagnetic phase -- Paramagnetic phasis -- Quasi particles -- Spectral intensity -- Spin projections -- Strong electron correlations -- Barium -- Density functional theory -- Electron correlations -- Electron density measurement -- Electronic properties -- Electronic structure -- Fermi level -- Ferromagnetic materials -- Ferromagnetism -- Manganese oxide -- Manganites -- Paramagnetic materials -- Paramagnetism -- Valence bands -- Lanthanum
Аннотация: The band structure, spectral intensity, and position of the Fermi level in doped p-type La1-xMx2+ MnO3 manganites (M = Sr, Ca, Ba) is analyzed using the LDA + GBT method for calculating the electronic structure of systems with strong electron correlations, taking into account antiferro-orbital ordering and using the Kugel-Khomskii ideas and real spin S = 2. The results of the ferromagnetic phase reproduce the state of a spin half-metal with 100% spin polarization at T = 0, when the spectrum is of the metal type for a quasiparticle with one spin projection and of the dielectric type for the other. It is found that the valence band becomes approximately three times narrower upon a transition to the paramagnetic phase. For the paramagnetic phase, metal properties are observed because the Fermi level is located in the valence band for any nonzero x. The dielectrization effect at the Curie temperature is possible and must be accompanied by filling of d(x) orbitals upon doping. The effect itself is associated with strong electron correlations, and a complex structure of the top of the valence band is due to the Jahn-Teller effect in cubic materials. DOI: 10.1134/S1063776111030101

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Публикация на русском языке Электронная структура манганитов La[1-x]M[x]2+MnO[3] p-типа в ферромагнитной и парамагнитной фазах в рамках LDA+GTB-подхода [Текст] / В. А. Гавричков [и др.] // Журнал экспериментальной и теоретической физики. - 2011. - Т. 139 Вып. 5. - С. 983-1000

Держатели документа:
[Gavrichkov, V. A.
Ovchinnikov, S. G.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Gavrichkov, V. A.
Ovchinnikov, S. G.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Nekrasov, I. A.] Russian Acad Sci, Ural Branch, Inst Electrophys, Ekaterinburg 620016, Russia
[Pchelkina, Z. V.] Russian Acad Sci, Ural Branch, Inst Met Phys, Ekaterinburg 620990, Russia
ИФ СО РАН
Siberian Branch, Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Ural Branch, Institute of Electrophysics, Russian Academy of Sciences, Yekaterinburg, 620016, Russian Federation
Ural Branch, Institute of Metal Physics, Russian Academy of Sciences, Yekaterinburg, 620990, Russian Federation

Доп.точки доступа:
Gavrichkov, V. A.; Гавричков, Владимир Александрович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Nekrasov, I. A.; Pchelkina, Z. V.
}
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20.

Magnetization asymmetry of type-II superconductors in high magnetic fields / D. M. Gokhfeld [et al.] // J. Appl. Phys. - 2011. - Vol. 109, Is. 3. - Ст. 33904, DOI 10.1063/1.3544038. - Cited References: 23. - D. M. Gokhfeld is thankful to S. A. Satzuk and Yu. S. Gokhfeld for discussions. The work is supported by Project No. 7 of RAS Program "Quantum physics of condensed matter," Federal Target Program " Research and scientific-pedagogical cadres of Innovative Russia" and Grant No. 13 of Lavrentyev competition of young researchers of SB RAS. . - ISSN 0021-8979

РУБ Physics, Applied
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   CRITICAL-STATE MODEL
   CRITICAL-CURRENT DENSITIES
   SURFACE-BARRIER
   TRANSPORT
Кл.слова (ненормированные):
Field distribution -- High magnetic fields -- Inhomogeneous distribution -- Magnetization loops -- Pinning forces -- Thermal equilibriums -- Type II superconductors -- Lead -- Magnetic fields -- Superconducting materials -- Superconductivity -- Magnetization
Аннотация: Inhomogeneous distribution of the pinning force in superconductor results in a magnetization asymmetry. A model considering the field distribution in superconductor was developed and symmetric and asymmetric magnetization loops of porous and textured Bi1.8Pb0.3Sr1.9Ca2Cu3Ox were fitted. It is found that the thermal equilibrium magnetization realizes in crystals smaller than some size depending on temperature and magnetic field. (C) 2011 American Institute of Physics. [doi:10.1063/1.3544038]

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Держатели документа:
[Gokhfeld, D. M.
Balaev, D. A.
Petrov, M. I.
Popkov, S. I.
Shaykhutdinov, K. A.
Val'kov, V. V.] LV Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
ИФ СО РАН
L. V. Kirensky Institute of Physics SB RAS, Akademgorodok 50/38, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Gokhfeld, D. M.; Гохфельд, Денис Михайлович; Balaev, D. A.; Балаев, Дмитрий Александрович; Petrov, M. I.; Петров, Михаил Иванович; Popkov, S. I.; Попков, Сергей Иванович; Shaykhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Val'kov, V. V.; Вальков, Валерий Владимирович
}
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