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Ponomarev, V. I.
Microstructure and magnetic-properties of disordered magnetic with competing exchange interactions / V. I. Ponomarev, E. V. Kuzmin // Zhurnal Tek. Fiz. - 1983. - Vol. 53, Is. 8. - P. 1643-1645. - Cited References: 4 . - ISSN 0044-4642

РУБ Physics, Applied

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Доп.точки доступа:
Kuzmin, E. V.; Кузьмин, Евгений Всеволодович
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Characteristics of the magnetic microstructure of amorphous and nanocrystalline ferromagnets with a random anisotropy: Theoretical estimates and experiment / R. S. Iskhakov [et al.] // JETP Letters. - 2000. - Vol. 72, Is. 12. - P. 603-607, DOI 10.1134/1.1351199. - Cited References: 22 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
ALLOYS
Аннотация: An experimental determination (both direct and indirect) of the characteristics of the magnetic microstructure, namely, the ferromagnetic correlation radius R-f and the rms fluctuation of the mean anisotropy D-1/2H-a, is performed for amorphous and nanocrystalline ferromagnets with a random anisotropy characterized by the quantities R-c and (DHa)-H-1/2, respectively. The magnetization curves of amorphous and nanocrystalline ferromagnets are found to exhibit a dependence on H that is caused by the alignment of the magnetizations of individual magnetic blocks with the field. (C) 2000 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Univ Routes Commun, Krasnoyarsk Branch, Krasnoyarsk 660028, Russia
Moscow MV Lomonosov State Univ, Moscow 119899, Russia
ИФ СО РАН

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Moroz, Z. M.; Shalygina, E. E.
}
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Kveglis, L. I.
Structural self-organization and the formation of perpendicular magnetic anisotropy in Co50Pd50 nanocrystalline films / L. I. Kveglis, S. M. Jarkov, I. V. Staroverova // Phys. Solid State. - 2001. - Vol. 43, Is. 8. - P. 1543-1548, DOI 10.1134/1.1395099. - Cited References: 22 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
METAL THIN-FILMS
MICROSTRUCTURE
Аннотация: The correlation of the atomic-order structure and the energy density of perpendicular magnetic anisotropy in Co50Pd50 films is investigated. Structural models for nanocrystalline Co50Pd50 films are proposed. It is shown that processes of structural self-organization in the films form nontrivial atomic-order structures. These structures can exist owing to high elastic stresses, which apparently ensure the emergence of strong magnetic anisotropy (K-perpendicular to similar to 10(6) erg/cm(3)). (C) 2001 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:
Jarkov, S. M.; Staroverova, I. V.
}
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Synthesis, microstructure, and the transport and magnetic properties of bi-containing high-temperature superconductors with a porous structure / M. I. Petrov [et al.] // Tech. Phys. Lett. - 2003. - Vol. 29, Is. 12. - P. 986-988, DOI 10.1134/1.1639450. - Cited References: 5 . - ISSN 1063-7850

РУБ Physics, Applied

Аннотация: Preliminary data on the synthesis and physical properties of polycrystalline Bi1.8Pb0.3Sr2Ca2Cu3Ox high-temperature superconductors of low density with a foam-like microstructure are reported. (C) 2003 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Krasnoyarsk Inst Commerce & Econ, Krasnoyarsk, Russia
Krasnoyarsk State Univ Technol, Krasnoyarsk, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Tetyueva, T. N.; Kveglis, L. I.; Efremov, A. A.; Zeer, G. M.; Shaihutdinov, K. A.; Balaev, D. A.; Балаев, Дмитрий Александрович; Popkov, S. I.; Попков, Сергей Иванович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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Microstructure and properties of Co-Sm-O nanogranular films / G. I. Frolov [et al.] // Phys. Solid State. - 2003. - Vol. 45, Is. 12. - P. 2303-2308, DOI 10.1134/1.1635502. - Cited References: 17 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
NANOCRYSTALLINE COBALT FILMS
MAGNETIC-PROPERTIES
IRON FILMS
Аннотация: The effect of annealing on the structure and physical properties of Co-Sm-O alloy films prepared using pulsed plasma deposition is investigated. It is found that Co-Sm-O films in the initial state possess superparamagnetic properties due to the presence of small-sized magnetic nanoparticles surrounded by dielectric layers of samarium oxide in the film structure. Upon annealing, the Co-Sm-O films undergo structural transformations and exhibit a number of magnetic properties (including those inherent in both soft and hard magnetic materials). (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:
Frolov, G. I.; Фролов, Георгий Иванович; Zhigalov, V. S.; Жигалов, Виктор Степанович; Zharkov, S. M.; Жарков, Сергей Михайлович; Pol'skii, A. I.; Kirgizov, V. V.
}
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The synthesis, microstructure, transport and magnetic properties of Bi-based low density HTSC [Text] / M. I. Petrov [et al.] // J. Mater. Process. Technol. - 2005. - Vol. 161, Is. 1-2. - P58-61, DOI 10.1016/j.jmatprotec.2004.07.056. - Cited Reference Count: 4 . - APR 10. - ISSN 0924-0136
Аннотация: HTSC Bi1.8Pb0.3Sr2Ca2Cu3Ox of low density has been synthesized and its structural and physical properties have been studied. Scanning electron microscopy (SEM) image shows that the material obtained has porous "foam" structure. The levitation force measured for the porous Bi1.8Pb0.3Sr2Ca2Cu3Ox is appeared to be approximately the same as for polycrystalline YBCO of high density. These "foam" structures may be an ideal material for some practical applications of HTSCs in bulk form. (c) 2004 Elsevier B.V. All rights reserved.

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Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Tetyueva, T. N.; Kveglis, L. I.; Квеглис, Людмила Иосифовна; Efremov, A. A.; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Popkov, S. I.; Попков, Сергей Иванович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Zeer, E. P.; Зеер, Эвальд Петрович; Japanese/Mediterranean Workshop on Applied Electronmagnetic Engineering for Magnetic and Superconducting Materials/3rd Superconducting Flywheel Workshop(3rd ; MAY 19-21, 2003 ; Athens, GREECE)
}
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Komogortsev, S. V.
Magnetization curve and magnetic correlations in a nanochain of ferromagnetic grains with random anisotropy / S. V. Komogortsev, R. S. Iskhakov // Phys. Solid State. - 2005. - Vol. 47, Is. 3. - P. 495-501, DOI 10.1134/1.1884711. - Cited References: 31 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
NANOCRYSTALLINE FERROMAGNETS
   AMORPHOUS FERROMAGNETS
   FIELD
   MODEL
   MICROSTRUCTURE
   SIMULATIONS
   DEPENDENCE
   SYMMETRY
   SYSTEM
   MEDIA
Аннотация: The magnetization curve and magnetization correlation function are calculated for a ferromagnetic chain of single-domain nanoparticles with a randomly oriented anisotropy axis for different ratios between the exchange correlation and anisotropy energies. It is shown that the coercive force decreases as the exchange correlations increase. For strong exchange correlations, the magnetization curve is described by the following three successive magnetization processes as the applied field is increased: (i) nonuniform rotation of the magnetization of stochastic domains, (ii) collapse of the magnetic solitons, and (iii) nonuniform rotation of exchange-correlated magnetization vectors of the nanoparticles. For high fields, the calculated correlation function of the transverse magnetization components coincides with that predicted from linear theory. At low and zero fields, the main parameters of the correlation function (the variance and correlation radius) tend to certain finite values rather than diverge (as is the case in linear theory). The irreversible variation in the magnetization at low fields (the hysteresis loop) and the hysteresis of the main parameters of the correlation function are calculated. (c) 2005 Pleiades Publishing, Inc.

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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, Krasnoyarsk, Akademgorodok, 660036, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Комогорцев, Сергей Викторович
}
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Angular dependence of the magnetoresistance in Y3/4Lu1/4Ba2Cu3O7-CuO composites at 77 K / D. A. Balaev [et al.] // Tech. Phys. Lett. - 2006. - Vol. 32, Is. 8. - P. 677-679, DOI 10.1134/S1063785006080128. - Cited References: 16 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
CERAMIC SUPERCONDUCTORS
   MAGNETIC-FIELD
   MICROSTRUCTURE
   BOUNDARIES
   TRANSPORT
   MOTION
   FILMS
Аннотация: The angular dependence of the magnetoresistance of polycrystalline Y3/4Lu1/4Ba2Cu3O7-CuO composites has been studied. These composites represent a system of Josephson junctions and exhibit a large magnetoresistance at 77 K. In addition to the isotropic component, there is the angle-dependent component proportional to sin(2)theta, where theta is the angle between the directions of current and magnetic field. This behavior is unambiguous evidence for the process of flux flow in the Josephson medium realized in the composites.

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

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Prus, A. G.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Petrov, M. I.; Петров, Михаил Иванович
}
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Highly textured bismuth-containing high-temperature superconductor ceramics obtained by uniaxial pressing in liquid medium: Fabrication and properties / M. I. Petrov [et al.] // Tech. Phys. Lett. - 2007. - Vol. 33, Is. 9. - P. 740-743, DOI 10.1134/S1063785007090088. - Cited References: 12 . - ISSN 1063-7850

РУБ Physics, Applied
Рубрики:
MICROSTRUCTURE
MAGNETIZATION
Аннотация: A new method of fabricating textured ceramics with a composition of Bi1.8Pb0.3Sr1.9Ca2Cu3Ox is described, according to which the initial low-density ceramics is subjected to uniaxial pressing in a liquid medium followed by drying and annealing. Analysis of the X-ray diffraction and scanning electron microscopy data show evidence for a high degree of texture in high-temperature superconductor ceramics fabricated using the proposed method. The results of magnetic measurements indicate that the obtained material possesses anisotropy of the magnetic moment for the magnetic field H oriented parallel and perpendicular to the direction of uniaxial pressing. The textured ceramics also show high diamagnetic response for H parallel to the c axis of grains, which makes these ceramics promising materials for practical applications.

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
Russian Acad Sci, Siberian Div, Boreskov Inst Catalysis, Novosibirsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Belozerova, I. L.; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Gokhfel'd, D. M.; Гохфельд, Денис Михайлович; Mart'yanov, O. N.; Popkov, S. I.; Попков, Сергей Иванович; Shaihutdinov, K. A.
}
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10.

Magnetic microstructure in the Co41Fe39B20-SiO2, Co-SiO2, Co-CaF nanocomposite films / Iskhakov R.S., Komogortsev S.V., Denisova E.A., Chekanova L.A., Kalinin Yu.E., Sitnikov A.V. // Moscow Int. Symp. on Magnet. (MISM-2008) : June 20-25, 2008, Moscow : book of abstract. - 2008. - Ст. 22PO-8-46. - p. 299. - Support by the grant RFBR 07-02-01172-а; National Science Fund (2008, PhD RAS) are acknowledged

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Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Denisova, E. A.; Денисова, Елена, Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Kalinin, Yu. E.; Sitnikov, A. V.; Moscow International Symposium on Magnetism(4 ; 2008 ; Jun. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
}
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11.

Preparation, microstructure, magnetic and transport properties of bulk textured Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x) and Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x)+Agceramics / M. I. Petrov [et al.] // Supercond. Sci. Technol. - 2008. - Vol. 21, Is. 10. - Ст. 105019, DOI 10.1088/0953-2048/21/10/105019. - Cited References: 22. - This work is supported by program of RAS 'Quantum macrophysics' No. 3.4 and integration project of SB RAS No. 3.4 and in part by Krasnoyarsk Regional Scientific Foundation (KRSF), Grants 17G057, 18G148 and 18G011. DAB and AAD acknowledge the Russian Science Support Foundation. . - ISSN 0953-2048

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   CRITICAL-CURRENT DENSITY
   BI-2223 TAPES
   BI2223
   SILVER
   DISCS
   (BI
Кл.слова (ненормированные):
Building materials -- Calcium -- Copper -- Crystallites -- Diamagnetic materials -- Lead -- Lead alloys -- Magnetic anisotropy -- Magnetic properties -- Nanocrystalline alloys -- Silver -- Textures -- Transport properties -- Bi-2223 -- Bulk samples -- Degree of textures -- Diamagnetic responses -- Liquid mediums -- Magnetic and transport properties -- Magnetic measurements -- Room temperatures -- Ceramic materials
Аннотация: A new method of preparation of bulk textured Bi2223 ceramics and Bi2223 + Ag composites, based on room temperature pressing of foamed precursor (Bi2223, Bi2223 + Ag) in a liquid medium, is proposed. SEM and XRD data prove a high degree of texture of the bulk samples obtained. Magnetic measurements performed in directions H parallel to c-axis and H parallel to a-b-planes of Bi2223 crystallites demonstrates anisotropy of magnetization confirming the texture of the ceramics. The materials obtained possess large diamagnetic response in the direction H parallel to a-b-planes of Bi2223 crystallites at both 77.4 and 4.2 K.

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Держатели документа:
[Petrov, M. I.
Shaikhutdinov, K. A.
Balaev, D. A.
Dubrovskii, A. A.
Popkov, S. I.
Vasil'ev, A. D.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Belozerova, I. L.] Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia
[Mart'yanov, O. N.] Boreskov Inst Catalysis, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, 660036, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, 630090, Novosibirsk, Russian Federation

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Belozerova, I. L.; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Balaev, D. A.; Балаев, Дмитрий Александрович; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Popkov, S. I.; Попков, Сергей Иванович; Vasil'ev, A. D.; Васильев, Александр Дмитриевич; Mart'yanov, O. N.
}
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12.

Long-Range Chemical Interaction in Solid-State Synthesis: The Formation of a CuAu Alloy in Au/beta-Co(001)/Cu(001) Epitaxial Film Structures / V. G. Myagkov [et al.] // JETP Letters. - 2009. - Vol. 90, Is. 2. - P. 111-115, DOI 10.1134/S0021364009140069. - Cited References: 25. - This work was supported by Russian Foundation for Basic Research ( project no. 07-03-00190) and the Ministry of Education and Science of the Russian Federation ( program "Development of the Scientific Potential of Higher Education"). . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
THIN-FILMS
   PHASE-TRANSITION
   DIFFUSION
   MICROSTRUCTURE
   INTERLAYER
   INTERFACE
   COSI2
   AU
Аннотация: The effect of an inert Co layer (0, 210, 480 nm) on the chemical interaction between Cu and Au in Au/beta-Co(001)/Cu(001) epitaxial films has been investigated by X-ray diffraction, nuclear magnetic resonance, photoelectron spectroscopy, and magnetic structure measurements. Mixing at interfaces in Cu/beta-Co(001) and Au/beta-Co(001) bilayer films has not been revealed up to a temperature of 600 C. The solid-state synthesis of ordered CuAu| and CuAu|| phases occurs through the Co inert buffer layer in Au/beta-Co(001)/Cu(001) trilayer film systems with an increase in the annealing temperature. The initiation temperatures of the CuAu| and CuAu|| phases increase only slightly with the thickness of the Co buffer layer. The assumption of the long range of the chemical interaction between Cu and Au through the chemically inert Co layer is justified using the performed investigations.

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Держатели документа:
[Myagkov, V. G.
Mal'tsev, V. K.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Mikhlin, Yu. N.
Bondarenko, G. N.] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660036, Russia
[Bykova, L. E.] Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
ИХХТ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Mikhlin, Y. N.; Bykova, L. E.; Быкова, Людмила Евгеньевна; Mal'tsev, V. K.; Maltsev, V. K.; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Russian Foundation for Basic Research [07-03-00190]; Ministry of Education and Science of the Russian Federation
}
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13.

Mechanism of Formation of a Negative Magnetoresistance Region in Granular High-Temperature Superconductors / K. A. Shaikhutdinov [et al.] // Phys. Solid State. - 2009. - Vol. 51, Is. 6. - P. 1105-1109, DOI 10.1134/S106378340906002X. - Cited References: 18. - This study was supported by the Russian Academy of Sciences within the program no. 3.4 (Quantum Macrophysics) and the complex integration program of the Siberian Branch of the Russian Academy of Sciences (program no. 3.4). One of the authors (D. A. B.) is grateful to the Russian Science Support Foundation. . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
MAGNETIC-FIELD
   CRITICAL-STATE
   YBA2CU3O7-DELTA
   HYSTERESIS
   MICROSTRUCTURE
   COMPOSITES
   RESISTANCE
   FLUX
Аннотация: The field dependences of the magnetoresistance of Bi(1.8)Pb(0.3)Sr(1.9)Ca(2)Cu(3)O(x) samples with different densities, which have a foam microstructure and exhibit different diamagnetic responses, were studied at 77.4 K to identify the mechanism responsible for the formation of a negative magnetoresistance region in granular high-temperature superconductors. A region with negative magnetoresistance was found to exist in samples with magnetizations highest in absolute magnitude. This behavior finds a reasonable interpretation as due to the effect exerted by dipole moments of high-temperature superconductor grains on the effective intergranular field. The strength of this effective field has been estimated.

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Держатели документа:
[Shaikhutdinov, K. A.
Balaev, D. A.
Popkov, S. I.
Petrov, M. I.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

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; Russian Academy of Sciences [3.4]; Russian Science Support Foundation
}
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14.

Ferromagnetic Resonance and Magnetic Microstructure in Nanocomposite Films of Co-x(SiO2)(1-x) and (CoFeB)(x)(SiO2)(1-x) / R. S. Iskhakov [et al.] // Phys. Solid State. - 2010. - Vol. 52, Is. 11. - P. 2263-2266, DOI 10.1134/S1063783410110089. - Cited References: 10. - This study was supported by the Ministry of Education and Science of the Russian Federation within the framework of the program "Development of the Scientific Potential of the Higher School" (project nos. RNP.2.1.1/2584 and RNP.2.1.1/3498) and the Russian Foundation for Basic Research (project no. 09-02-98002r_sibir_a). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
RANDOM ANISOTROPY
Аннотация: This paper reports on the results of the investigation of the relation between the magnetic microstructure and ferromagnetic resonance (FMR) in ferromagnetic metal-insulator composites by using granular alloys (Co41Fe39B20) (x) (SiO2)(1 - x) and Co (x) (SiO2)(1 - x) as an example. A comparative analysis of the properties of FMR spectra and parameters of random magnetic anisotropy leads to correlations between these quantities. It has been found that the main mechanism that determines the FMR line width in the films under investigation is the exchange narrowing mechanism.

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Держатели документа:
[Iskhakov, R. S.
Denisova, E. A.
Komogortsev, S. V.
Chekanova, L. A.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Iskhakov, R. S.
Komogortsev, S. V.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia
[Chekanova, L. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Kalinin, Yu. E.
Sitnikov, A. V.] Voronezh State Tech Univ, Voronezh 394017, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, pr. Mira 82, Krasnoyarsk 660049, Russian Federation
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk 660041, Russian Federation
Voronezh State Technical University, Moskovskii pr. 14, Voronezh 394017, Russian Federation

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Denisova, E. A.; Денисова, Елена Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Chekanova, L. A.; Чеканова, Лидия Александровна; Kalinin, Y. E.; Sitnikov, A. V.
}
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15.

Magnetic microstructure of amorphous, nanocrystalline, and nanophase ferromagnets [Text] / R. S. Iskhakov, S. V. Komogortsev // Phys. Metals Metallogr. - 2011. - Vol. 112, Is. 7. - P666-681, DOI 10.1134/S0031918X11070064. - Cited Reference Count: 40. - Federal Program Development of the Scientific Potential of Higher Education [RNP. 2.1.1/11470], This work was supported in part by the Federal Program Development of the Scientific Potential of Higher Education ( project no. RNP. 2.1.1/11470), Federal Target Program Research and Research-Pedogogical Personnel of Innovative Russia for 2009-2014. . - DEC. - ISSN 0031-918X
Рубрики:
Metallurgy & Metallurgical Engineering
Аннотация: The magnetic microstructure of nanostructured ferromagnets is represented by an ensemble of stochastic magnetic domains-regions with dimensions of the length of magnetic orientation coherency. It is shown that the curves displaying the approach of magnetization to saturation make it possible to determine the dimension of the element of the micromagnetic structure, i.e., the size of the stochastic domain and the constant of the effective anisotropy in this element, the size of the element of the nanostructure and the constant its local anisotropy, as well as the dimensionality of the exchange-coupled ferromagnetic nanoparticles.

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Держатели документа:
Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Iskhakov, R.S.; Komogortsev, S.V.
}
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16.

Microstructure and Magnetooptics of Silicon Oxide with Implanted Nickel Nanoparticles / I. S. Edel'man [et al.] // J. Exp. Theor. Phys. - 2011. - Vol. 113, Is. 6. - P. 1040-1049, DOI 10.1134/S1063776111160035. - Cited References: 44. - This work was supported by the Russian Foundation for Basic Research (project nos. 11-02-00972, 11-02-90420, 11-02-91341) and the program Research and Scientific-Pedagogical Brainpower of Innovated Russia (State contract 02.740.11.0797). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
SIMPLE METAL-CLUSTERS
   OPTICAL-PROPERTIES
   ION-IMPLANTATION
   FARADAY-ROTATION
   KERR SPECTRA
   GLASS
   RESONANCE
   PHYSICS
   ENERGY
   FE
Кл.слова (ненормированные):
Disperse structure -- Effective medium model -- Implanted samples -- Irradiation dose -- Magnetic circular dichroisms -- Magnetic Nickel -- Magneto-optical Faraday effect -- Magneto-optical measurements -- matrix -- Metal nanoparticles -- Metallic nickel -- Nickel nanoparticles -- Nickel particles -- Optical range -- Spectral dependences -- Surface plasma resonances -- Tensor components -- Thin near-surface layers -- Amorphous silicon -- Crystal microstructure -- Dichroism -- Faraday effect -- Ion implantation -- Magnetoplasma -- Metallic compounds -- Nanomagnetics -- Nanoparticles -- Nickel -- Silicon compounds -- Silicon oxides -- Spectroscopy -- Tensors -- Transmission electron microscopy -- Nickel oxide
Аннотация: Metallic nickel nanoparticles of various sizes are formed in a thin near-surface layer in an amorphous SiO2 matrix during 40-keV Ni+ ion implantation at a dose of (0.25-1.0) x 10(17) ions/cm(2). The micro-structure of the irradiated layer and the crystal structure, morphology, and sizes of nickel particles formed at various irradiation doses are studied by transmission electron microscopy and electron diffraction. The magnetooptical Faraday effect and the magnetic circular dichroism in an ensemble of nickel nanoparticles are studied in the optical range. The permittivity (epsilon) over cap tensor components are calculated for the implanted samples using an effective medium model with allowance for the results of magnetooptical measurements. The spectral dependences of the tensor (epsilon) over cap components are found to be strongly different from those of a continuous metallic nickel film. These differences are related to a disperse structure of the magnetic nickel phase and to a surface plasma resonance in the metal nanoparticles.

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Держатели документа:
[Edel'man, I. S.
Petrov, D. A.
Ivantsov, R. D.
Zharkov, S. M.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Zharkov, S. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Khaibullin, R. I.
Valeev, V. F.
Nuzhdin, V. I.
Stepanov, A. L.] Russian Acad Sci, Zavoisky Phys Tech Inst, Kazan 420029, Russia
[Stepanov, A. L.] Kazan Volga Reg Fed Univ, Kazan 420018, Russia
ИФ СО РАН
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, 660041, Russian Federation
Zavoisky Physical-Technical Institute, Russian Academy of Sciences, Sibirskii trakt 10/7, Kazan, 420029, Russian Federation
Kazan (Volga Region), Federal University, ul. Kremlevskaya 18, Kazan, 420018, Russian Federation

Доп.точки доступа:
Edel'man, I. S.; Edelman, I. S.; Petrov, D. A.; Петров, Дмитрий Анатольевич; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Khaibullin, R. I.; Valeev, V. F.; Nuzhdin, V. I.; Stepanov, A. L.
}
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17.

Synthesis and structural properties of cubic G0-Rb2KMoO3F3 oxyfluoride / V. V. Atuchin [et al.] // Ceram. Int. - 2012. - Vol. 38, Is. 3. - P. 2455-2459, DOI 10.1016/j.ceramint.2011.11.013. - Cited References: 23. - This study was partly supported by RFBR (Grant 09-02-00062) and SB RAS (Grant 34). . - ISSN 0272-8842

РУБ Materials Science, Ceramics
Рубрики:
PHASE-TRANSITIONS
   FERROELECTRIC K3WO3F3
   (NH4)(3)MOO3F3
   TEMPERATURE
   PEROVSKITE
   ELPASOLITE
   CRYSTALS
   BEHAVIOR
   High temperature
   Melt solidification
   Micromorphologies
   Melt solidification
   Microstructure-final
   Oxyfluorides
   Space Groups
   Oxyfluorides
   X ray methods
Кл.слова (ненормированные):
Powders: solid state reaction -- Microstructure-final -- X-ray methods -- Alkali oxides -- Halides
Аннотация: High-temperature G0 polymorph of Rb2KMoO3F3 has been prepared by melt solidification. Micromorphology and chemical properties of the final product were evaluated by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The elpasolite-related crystal structure of G0-Rb2KMoO3F3 has been refined by Rietveld method at T = 298 K (space group Fm-3m, a = 8.92446(8) Å, V = 710.76(1) Å3; RB = 3.55%). Ferroelectric G1-Rb2KMoO3F3 polymorph, earlier reported at T˂328 K, is not found at T = 298 K.

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Держатели документа:
[Atuchin, V. V.] SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090 90, Russia
[Gavrilova, T. A.] SB RAS, Inst Semicond Phys, Lab Nanolithog & Nanodiagnost, Novosibirsk 630090 90, Russia
[Isaenko, L. I.
Zhurkov, S. A.] SB RAS, Inst Geol & Mineral, Lab Crystal Growth, Novosibirsk 530090 90, Russia
[Kesler, V. G.] SB RAS, Inst Semicond Phys, Lab Phys Principles Integrated Microelect, Novosibirsk 630090 90, Russia
[Molokeev, M. S.] SB RAS, Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036 36, Russia

Доп.точки доступа:
Atuchin, V. V.; Gavrilova, T. A.; Isaenko, L. I.; Kesler, V. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhurkov, S. A.
}
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18.

Synthesis and microstructure of cubic G0-Rb2MoO3F3 oxyfluoride / T. A. Gavrilova [et al.] ; Рос. акад. наук, Сиб. отд-ние // Тезисы IX научной конференции «Аналитика Сибири и Дальнего востока». - 2012. - P. 221

http://conf.sfu-kras.ru/conf/asfe12/sect?sec_id=690
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Gavrilova, T. A.; Atuchin, V. V.; Атучин, Виктор Валерьевич; Isaenko, L. I.; Kesler, V. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhurkov S.A.; Сибирский федеральный университет; Научный совет по аналитической химии Сибирского отделения Российской академии наук; Сибирское отделение РАН; Российская академия наук; "Аналитика Сибири и Дальнего Востока", научная конференция (9 ; 8-13 октября 2012 ; Красноярск, Россия)
}
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19.

    Изотов, Андрей Викторович.
    Численное моделирование магнитной микроструктуры тонких нанокристаллических пленок со случайным распределением осей / А. В. Изотов, Б. А. Беляев, Н. М. Боев // Изв. вузов. Физика. - 2013. - Т. 56, № 8/2. - С. 213-216. - Работа выполнена при финансовой поддержке Министерства образования и науки РФ, Госконтракт № 14.513.11.0010, и ФЦП «Научные и научно-педагогические кадры инновационной России 2009−2013 гг.»
   Перевод заглавия: Numerical modeling of the magnetic microstructure of thin nanocrystalline films with a random distribution of the easy magnetization axis in crystallites
Кл.слова (ненормированные):
микромагнитное моделирование -- «рябь» намагниченности -- магнитная микроструктура -- хаотическая анизотропия -- нанокристаллиты -- micromagnetic simulation -- magnetization ripple -- magnetic microstructure -- random anisotropy -- nanocrystallites
Аннотация: На основе численного анализа микромагнитной модели нанокристаллической пленки со случайным распределением направлений одноосной магнитной анизотропии в кристаллитах исследована тонкая магнитная микроструктура типа «ряби» намагниченности. Приводится сравнение полученных результатов с результатами теоретических исследований.
The fine magnetic microstructure of the magnetization "ripple" was studied by a numerical analysis of micromagnetic model of nanocrystalline films with a random distribution of directions of the uniaxial magnetic anisotropy in crystallites. Obtained results were compared with the results of theoretical studies.

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

Доп.точки доступа:
Беляев, Борис Афанасьевич; Belyaev, B. A.; Боев, Н. М.; Izotov A.V.
}
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20.

    Microstructure and magnetic properties of C/Co-P and Al2O3/Co-P composite particles prepared by electroless plating / E. A. Denisova [et al.] // J. Appl. Phys. - 2013. - Vol. 113, Is. 17. - Ст. 17A340. - P. DOI 10.1063/1.4800037
   Перевод заглавия: Микроструктура и магнитные свойства композиционных частиц C/Co-P и Al2O3/Co-P, изготовленных методом химического осаждения
Аннотация: The electroless plating is used to synthesize two types of composite powder, such as the activated carbon with pores filled by Co100-XPX particles and the Al2O3 microgranular coated by the shell which consists of Co100-XPX particles with 4 X 18. The magnetic and structural properties of the composite particles are characterized by scanning electron microscopy, X-ray diffraction, and vibrating sample magnetometer. It is found that the average Co(P) particle size in composite powders decreases from 300 nm to 120 nm with an increase in P- content from 4 to 18 at. %. It causes a reduction in coercivity from 300 to 80 Oe for Al2O3/Co(P) powders and from 680 to 150 Oe for C/Co(P) powders. The effects of two methods of immobilization of Co(P) particles on magnetic properties are studied.

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Держатели документа:
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Inst Chem & Chem Technol SB RAS, Krasnoyarsk 660036, Russia;

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Bondarenko, G. N.; Бондаренко, Галина Николаевна
}
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