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Zhandun, V. S.
The effect of the impurities on the magnetic, electronic and optical properties of Mn5Ge3 / V. Zhandun, A. Matsynin // Chin. J. Phys. - 2020. - Vol. 68. - P. 9-18, DOI 10.1016/j.cjph.2020.06.027. - Cited References: 29. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects № № 19-42-240016 : «Control of structural, magnetic, electronic, and optical properties by pressure and intercalation into functional compounds with a spinel structure containing 3d and 4f ions» and 18-42-243009: «New magnetic film nanocomposites based on layered GeO/Mn systems: synthesis, experimental and theoretical study of structural and magnetic properties». The calculations were performed with the computer resources of "Complex modeling and data processing research installations of mega-class" SRC "Kurchatovsky Institute” ( http://ckp.urcki.ru ) . - ISSN 0577-9073
Кл.слова (ненормированные):
Ab initio calculations -- Mn-Ge system -- Mn5Ge3 alloy -- Nowotny Mn5Ge3Oy phase -- Magnetic properties -- Impurities -- Spin-crossover
Аннотация: Earlier, we experimentally showed a significant effect of oxygen on the magnetic and structural properties of Mn5Ge3 due to the formation of a Nowotny phase of Mn5Ge3Ox. Here, in continuation of this study, we present a theoretical study of the magnetic and electronic properties of Mn5Ge3 and Mn5Ge3Dx (D = B, C, O). It was found that hexagonal Mn5Ge3 is a ferromagnetic metal with two nonequivalent manganese atoms in the structure. Our ab initio calculations also predict the existence of a spin-crossover in Mn5Ge3 under pressure. Impurities reduce saturation magnetization and electrical and thermal conductivity; however, the magnetic susceptibility and Curie temperature increase. Microscopic mechanisms of the effect of the impurities on the magnetic and electronic properties Mn5Ge3 are discussed.

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Держатели документа:
Kirensky Institute of Physics - Federal Research Center “Krasnoyarsk Science Centre, Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Matsynin, A. A.; Мацынин, Алексей Александрович; Жандун, Вячеслав Сергеевич
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    Magnetic and structure properties of CoPt-In2O3 nanocomposite films / L. E. Bykova, V. G. Myagkov, V. S. Zhigalov [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2020. - Vol. 13, Is. 4. - P. 431-438 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2020-13-4-431-438. - Cited References: 29. - This study was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects no. 19-43-240003 . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: Магнитные и структурные свойства нанокомпозитных пленок CoPt-In2O3

РУБ Mathematics
Рубрики:
THIN-FILMS
TEMPERATURE
PHASE
Кл.слова (ненормированные):
thin films -- ferromagnetic nanocomposites -- CoPt alloy -- In2O3 oxide -- тонкие пленки -- ферромагнитные нанокомпозиты -- сплав CoPt -- оксид In2O3
Аннотация: The structural and magnetic properties of CoPt-In2O3 nanocomposite films formed by vacuum annealing of the In/(Co3O4 + Pt)/MgO film system in the temperature range of 100–800 °C have been investigated. The synthesized nanocomposite films contain ferromagnetic CoPt grains with an average size of 5nm enclosed in an In2O3 matrix, and have a magnetization of 600 emu/cm3, and a coercivity of 150 Oe at room temperature. The initiation 200 °C and finishing 800 °C temperatures of synthesis were determined, as well as the change in the phase composition of the In/(Co3O4 + Pt)/MgO film during vacuum annealing.
Исследованы структурные и магнитные свойства нанокомпозитных пленок CoPt- In2O3, полученных вакуумным отжигом пленочной системы In/(Co3O4 + Pt)/MgO в интервале температур 100 – 800 °C. Синтезированные нанокомпозитные пленки содержали ферромагнитные CoPt-кластеры со средним размером 5 nm, заключенные в матрицу In2O3, и имели намагниченность 600 emu/cm3, коэрцитивную силу 150 Oe при комнатной температуре. Определены температуры начала 200 °C и окончания 800 °C синтеза, а также изменение фазового состава пленки In/(Co3O4 + Pt)/MgO при вакуумном отжиге.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Inst Chem & Chem Technol, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Bykova, L. E.; Быкова, Людмила Евгеньевна; Myagkov, V. G.; Мягков, Виктор Григорьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Matsynin, A. A.; Мацынин, Алексей Александрович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Bondarenko, G. N.; Patrin, G. S.; Патрин, Геннадий Семёнович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory [19-43-240003]

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Composition-driven crystal structure transformation and magnetic properties of electrodeposited Co–W alloy nanowires / E. Yoo, A. Y. Samardak, Y. S. Jeon [et al.] // J. Alloys Compd. - 2020. - Vol. 843. - Ст. 155902, DOI 10.1016/j.jallcom.2020.155902. - Cited References: 48. - This study was supported by the Samsung Research Funding & Incubation Center of Samsung Electronics under Project Number SRFC-TA1703-06, and by the Russian Ministry of Science and Higher Education under the state task (0657 -2020-0013), by Act 211 of the Government of the Russian Federation (02.A03.21.0011). . - ISSN 0925-8388
Кл.слова (ненормированные):
Co–W alloy -- Nanowire -- Electrodeposition -- Crystal structure -- Electrodeposition -- First-order reversal curve
Аннотация: The cobalt (Co)–tungsten (W) alloys exhibit unique combinations of mechanical and magnetic properties, biocompatibility, resistance against corrosion, wear, and high-temperature, which makes them desirable materials for various practical applications. A nanoporous template with incorporated Co–W alloy nanowires is a soft magnetic composite, whose dielectric and magnetic properties can be tuned through the host material, pore distribution and size, Co–W composition and crystal structure, and geometry of the nanowires. Here, we report the composition-dependent structural and magnetic properties of Co–W alloy nanowires embedded in alumina templates by electrodeposition. The addition of W transforms cobalt from the crystalline hexagonal-close-packed (hcp) Co to a mixed nanocrystalline/amorphous-like Co(W) solid solution with ferromagnetic behavior and composition similar to that of the weakly magnetic Co3W compound. The combination of the approach to magnetic saturation, anisotropy field distribution method, micromagnetic simulations, and first-order reversal curve diagram identification method elucidates the structure-driven magnetization reversal processes in both individual nanowires and magnetostatically coupled array as a whole.

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Держатели документа:
Department of Materials Science and Engineering, Korea University, Seoul, 02841, South Korea
School of Natural Sciences, Far Eastern Federal University, Vladivostok, 690950, Russian Federation
National Research South Ural State University, Chelyabinsk, 454080, Russian Federation
Institute of Physics, SB Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Yoo, E.; Samardak, A. Y.; Jeon, Y. S.; Samardak, A. S.; Ognev, A. V.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Kim, Y. K.
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    Structure and Magnetic Properties of the FeCo–C Films Reduced by Carbohydrates / E. A. Denisova, L. A. Chekanova, S. V. Komogortsev [et al.] // Semiconductors. - 2020. - Vol. 54, Is. 14. - P. 1840-1842, DOI 10.1134/S1063782620140079. - Cited References: 9. - This work was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, the Krasnoyarsk Regional Fund for the Support of Scientific and Technical Activities (project no. 18-42-240006 Nanomaterials with magnetic properties determined by the topological features of the nanostructure) . - ISSN 1063-7826. - ISSN 1090-6479
   Перевод заглавия: Структура и магнитные свойства пленок FeCo–C, восстановленных углеводами
Кл.слова (ненормированные):
FeCo–C alloy -- electroless deposition -- magnetic properties
Аннотация: The structural and magnetic properties of FeCo–C films produced by electroless plating with differentcarbohydrates as reducing agents have been investigated. The surface morphology and coercivities of FeCo–C films are dependent on the iron content and type of reducing agent. The local magnetic anisotropy field value increases with a decrease in Fe content. For all systems, deposits with good soft magnetic properties were obtained, with coercivities less than 12 Oe and saturation magnetizations close to 240 emu/g for FeCo–C film with 30% cobalt. The best soft magnetic properties corresponded to the deposits with bcc structure and grain sizes less than 20 nm.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, 660041 Russia
Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, Russia

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Nemtsev, I. V.; Iskhakov, R. S.; Исхаков, Рауф Садыкович
}
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Multiscale magnetic anisotropy in amorphous ferromagnetic ribbon: An example of fecundsib alloy / N. Ilin, S. Komogortsev, V. Ivanov [et al.] // Solid State Phenom. - 2020. - Vol. 312 SSP. - P. 275-280DOI 10.4028/www.scientific.net/SSP.312.275. - Cited References: 19. - The reported study was funded by RFBR, project number 19-32-90182. This work was financially supported by the state task of the Ministry of Science and Higher Education of the Russian Federation №0657-2020-0005
Кл.слова (ненормированные):
Amorphous alloys -- Kerr microscopy -- Magnetic anisotropy -- Magnetic properties -- Soft magnet
Аннотация: An understanding of the magnetic properties in an amorphous alloy requires comprehensive studies of magnetic anisotropy at various scales. In this paper such a study is carried out using amorphous ribbons FeCuNbSiB. The magnetic anisotropy associated with the rolling axis of ribbons does not affect hysteresis loop measurements, but the disappearance of a fingerprint-like pattern in the domain structure occurs in different fields when they are applied along and transverse the rolling axis. A correlation between the local magnetic anisotropy constant and the nanoscale within which the local easy axis is ordered was found.

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Держатели документа:
Far Eastern Federal University, Vladivostok, 690090, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660049, Russian Federation
Institute of Chemistry, Far Eastern Branch, Russian Academy of Science, Vladivostok, 690090, Russian Federation

Доп.точки доступа:
Ilin, Nikita; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Ivanov, Vitaliy; Kraynova, Galina; Davydenko, Alexander; Tkachenko, Ivan; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Plotnikov, Vladimir; Asian School-Conference on Physics and Technology of Nanostructured Materials(5 ; 2020 ; 30 Jul - 3 Aug ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(5 ; 2013 ; 30 июля - 3 авг. ; Владивосток)
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Multiscale magnetic anisotropy in amorphous ferromagnetic ribbon: an example of FeCuNbSiB alloy / N. V. Ilin, S. V. Komogortsev, G. S. Kraynova [et al.] // The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials : Proceedings. - VLadivostok : Dalnauka Publishing, 2020. - Ст. IV.31.02p. - P. 111 . - ISBN 978-5-8044-1698-1

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Доп.точки доступа:
Ilin, N.V.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Kraynova, G.S.; Ivanov, V.A.; Davydenko, A.V.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Plotnikov, V.S.; Asian School-Conference on Physics and Technology of Nanostructured Materials(5 ; 2020 ; 30 Jul - 3 Aug ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(5 ; 2013 ; 30 июля - 3 авг. ; Владивосток)
}
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Magnetic properties and FORC-based characterization of electrodeposited Co–W alloy nanowires / A. Yu. Samardak, E. Yoo, Y. S. Jeon [et al.] // The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials : Proceedings. - VLadivostok : Dalnauka Publishing, 2020. - Ст. IV.03.02o. - P. 102 . - ISBN 978-5-8044-1698-1

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Доп.точки доступа:
Samardak, A. Yu.; Yoo, E.; Jeon, Y. S.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Ognev, A.V.; Samardak, A. S.; Kim, Y. K.; Asian School-Conference on Physics and Technology of Nanostructured Materials(5 ; 2020 ; 30 Jul - 3 Aug ; Vladivostok); Азиатская школа-конференция по физике и технологии наноструктурированных материалов(5 ; 2013 ; 30 июля - 3 авг. ; Владивосток)
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CoPt-Al2O3 nanocomposite films: synthesis, structure, and magnetic properties / V. S. Zhigalov, L. E. Bykova, V. G. Myagkov [et al.] // J. Surf. Ingestig. - 2020. - Vol. 14, Is. 1. - P. 47-53, DOI 10.1134/S102745102001022X. - Cited References: 29. - This study was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects no. 18-42-243009 r_mol_a and no. 19-43-240003 r_a, and the Foundation for Assistance to Small Innovative Enterprises in Science and Technology, contract no. 11843GU/2017, code 0033636, U.M.N.I.K. competition. . - ISSN 1027-4510. - ISSN 1819-7094

РУБ Physics, Condensed Matter
Рубрики:
SOLID-STATE SYNTHESIS
   GRANULAR THIN-FILMS
   THERMITE SYNTHESIS
   PHASE
Кл.слова (ненормированные):
thin films -- ferromagnetic nanocomposites -- CoPt alloy -- magnetic anisotropy
Аннотация: The structure and magnetic properties of CoPt–Al2O3 nanocomposite films synthesized by the annealing of Al/(Co3O4 + Pt) bilayers on a MgO(001) substrate at 650°C in vacuum are investigated. The synthesized composite films contain ferromagnetic CoPt grains with an average size of 25–45 nm enclosed in a nonconducting Al2O3 matrix. The saturation magnetization (Ms ~ 330 G) and coercivity (Hc ≈ 6 kOe) of the films are measured in the film plane and perpendicular to it. The obtained films are characterized by a spatial rotational magnetic anisotropy, which makes it possible to arbitrarily set the easy magnetization axis in the film plane or perpendicular to it using a magnetic field stronger than the coercivity (H ˃ Hc).

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Публикация на русском языке Нанокомпозитные пленки CoPt–Al2O3: синтез, структурные и магнитные свойства [Текст] / В. С. Жигалов, Л. Е. Быкова, В. Г. Мягков [и др.] // Поверхность. - 2020. - № 1. - С. 60-67

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Univ Sci & Technol, Krasnoyarsk 660014, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Zhigalov, V. S.; Жигалов, Виктор Степанович; Bykova, L. E.; Быкова, Людмила Евгеньевна; Myagkov, V. G.; Мягков, Виктор Григорьевич; Pavlova, A. N.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Matsynin, A. A.; Мацынин, Алексей Александрович; Patrin, G. S.; Патрин, Геннадий Семёнович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk Territory; Krasnoyarsk Regional Fund of Science [18-42-243009 r_mol_a, 19-43-240003 r_a]; Foundation for Assistance to Small Innovative Enterprises in Science and Technology [11843GU/2017, 0033636]
}
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Variation of magnetic anisotropy and temperature-dependent FORC probing of compositionally tuned Co-Ni alloy nanowires / A. S. Samardak [et al.] // J. Alloys Compd. - 2018. - Vol. 732. - P. 683-693, DOI 10.1016/j.jallcom.2017.10.258. - Cited References: 60. - This work was supported by the Russian Foundation for Basic Research (grant 16-02-01015 А), by the Russian Ministry of Education and Science under the state task (3.5178.2017/8.9), by Act 211 of the Government of the Russian Federation (contract № 02.A03.21.0011) and by the Brain Pool Program (172S-2-3-1928) through the Korean Federation of Science and Technology Societies (KOFST) funded by the Ministry of Science, ICT and Future Planning. Financial support from Iranian Nanotechnology Initiative council is also acknowledged. . - ISSN 0925-8388
Кл.слова (ненормированные):
Coercive force -- Magnetic anisotropy -- Magnetic hysteresis -- Binary alloy nanowires -- Alumina template -- Electrodeposition -- First order reversal curves -- Stochastic magnetic domain -- Random anisotropy model
Аннотация: The magnetic microstructure of Co-Ni binary alloy nanowires electrodeposited with controlled composition into nanoporous aluminum oxide templates can be represented as an ensemble of stochastic magnetic domains, whose size is determined by the magnetic correlation length. Using a method based on the approaching of magnetization to saturation, we defined the dimension of regions with magnetic orientation coherency as the stochastic domain size. Based on the experimental measurements of magnetization curves near saturation and first order reversal curves (FORC), we described a relationship between the macroscopic and microscopic parameters of the nanowires depending on the crystal structure observed by high-resolution transmission electron microscopy in terms of the random anisotropy model. The alloy composition strongly determines the crystal structure, in particular, the grain size and hcp/fcc phase distribution, and influences the effective magnetic anisotropy energy providing the direction of easy magnetization in the nanowire arrays. The characterization of Co-Ni arrays by FORC method at room and low temperatures revealed the transformation of magnetic behavior and certain contributions to the energy of the effective magnetic anisotropy.

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Держатели документа:
School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russian Federation
Institute of Physics, SB Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Department of Physics, Alexandru Ioan Cuza University of Iasi, Iasi, Romania
Faculty of Materials Engineering, Sahand University of Technology, Tabriz, Iran
Center for Spin-Orbitronic Materials, Korea University, Seoul, South Korea
National Research South Ural State University, Chelyabinsk, Russian Federation

Доп.точки доступа:
Samardak, A. S.; Ognev, A. V.; Samardak, A. Y.; Stebliy, E. V.; Modin, E. B.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Stancu, A.; Panahi-Danaei, E.; Fardi-Ilkhichy, A.; Nasirpouri, F.
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10.

Relationship between stuctural and magnetic, optical properties of epitaxial Fe1-xSix/Si(111) alloy films / V. A. Ignatchenko, D. S. Polukhin // Moscow Int. Symp. on Magnet. (MISM-2017) : 1-7 July 2017 : book of abstracts. - 2017. - Ст. 2PO-I-29. - P. 236. - Cited References: 1. - The work was supported by the Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 2886.2014.2), RFBR (grants No. 13-02-01265)

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Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Zhаndun, V. S.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Kuznetsova, T. V.; Kravtsov, A. S.; Varnakov, S. N.; Варнаков, Сергей Николаевич; Balymov, K. G.; Pryahina, V.; Kosyrev, N. N.; Косырев, Николай Николаевич; Shemukhin, A.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Moscow International Symposium on Magnetism(7 ; 2017 ; Jul. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
}
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11.

Vazhenina, I. G.
Spin−wave resonance as a way of studying the constant of surface anisotropy, using films of Fe–Ni alloy as an example / I. G. Vazhenina, L. A. Chekanova, R. S. Iskhakov // Bull. Russ. Acad. Sci. Phys. - 2017. - Vol. 81, Is. 3. - P. 308-310, DOI 10.3103/S1062873817030388. - Cited References: 13 . - ISSN 1062-8738
Кл.слова (ненормированные):
Anisotropy -- Deposition -- Ferromagnetic materials -- Film thickness -- Nickel -- Chemical deposition -- Ferromagnetic thin films -- Ni alloys -- Ni thin films -- Surface anisotropy -- Wave resonances -- Thin films
Аннотация: The effect the thickness and concentration composition of a ferromagnetic thin film have on surface anisotropy constant KS is investigated. Spin–wave resonance is chosen as a way of detecting and measuring the KS value. Fe–Ni thin films are synthesized via chemical deposition. Dependences of KS on the content of Ni in the alloy and a film’s thickness are established. © 2017, Allerton Press, Inc.

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Публикация на русском языке Важенина, Ирина Георгиевна. Спин-волновой резонанс как метод исследования константы поверхностной анизотропии на примере пленок Fe–Ni-сплава [Текст] / И. Г. Важенина, Л. А. Чеканова, Р. С. Исхаков // Изв. РАН. Сер. физич. - 2017. - Т. 81 № 3. - С. 337-339

Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Важенина, Ирина Георгиевна
}
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12.

    Solid-state synthesis and characterization of ferromagnetic Mn5Ge3 nanoclusters in GeO/Mn thin films / V. G. Myagkov [et al.] // J. Alloys Compd. - 2019. - Vol. 782. - P. 632-640, DOI 10.1016/j.jallcom.2018.12.126. - Cited References: 39. - This study was supported by the Russian Foundation for Basic Research (grants #18-02-00779 , #16-03-00069 , #17-52-53031 ), by Russian foundation for basic research, government of Krasnoyarsk territory, Krasnoyarsk Region science and technology support fund to research project # 18-42-243009 р_мол_а , by the council for grants of the president of Russian federation (SP-1373.2016.3). The XPS and TEM studies were carried out using the facilities of Performance service at Krasnoyarsk Scientific Center. . - ISSN 0925-8388
   Перевод заглавия: Твердофазный синтез и характеристики ферромагнитных нанокластеров Mn5Ge3 в тонких пленках GeO/Mn
Кл.слова (ненормированные):
Mn-Ge system -- Thin-film solid-state reactions -- Mn5Ge3 alloy -- Nowotny Mn5Ge3Oy phase -- Magnetic properties
Аннотация: Mn5Ge3 films are promising materials for spintronic applications due to their high spin polarization and a Curie temperature above room temperature. However, non-magnetic elements such as oxygen, carbon and nitrogen may unpredictably change the structural and magnetic properties of Mn5Ge3 films. Here, we use the solid-state reaction between Mn and GeO thin films to describe the synthesis and the structural and magnetic characterization of Mn5Ge3(Mn5Ge3Oy)-GeO2(GeOx) nanocomposite materials. Our results show that the synthesis of these nanocomposites starts at 180°С when the GeO decomposes into elemental germanium and oxygen and the resulting Ge atoms immediately migrate into the Mn layer to form ferromagnetic Mn5Ge3 nanoclusters. At the same time the oxygen atoms take part in the synthesis of GeOx and GeO2 oxides and also migrate into the Mn5Ge3 lattice to form Mn5Ge3Oy Nowotny nanoclusters. Magnetic analysis assumes the general nature of the Curie temperature increase in carbon-doped Mn5Ge3Cx and Mn5Ge3Oy films. Our findings prove that not only carbon, but oxygen may contribute to the increase of the saturation magnetization and Curie temperature of Mn5Ge3-based nanostructures.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660014, Russian Federation
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Matsynin, A. A.; Мацынин, Алексей Александрович; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Mikhlin, Y. L.; Volochayev, M. N.; Волочаев, Михаил Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Bondarenko, G. N.
}
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13.

Synthesis and transport properties of FET based on Heusler alloy thin films formed by rapid thermal annealing / A. V. Lukyanenko [et al.] // J. Phys.: Conf. Ser. - 2019. - Vol. 1410. - Ст. 012017, DOI 10.1088/1742-6596/1410/1/012017. - Cited References: 10. - This study was supported by the Russian Foundation for Basic Research, project no. 17-02-00302 and supported in part by the Ministry of Education and Science of the Russian Federation and the Siberian Branch of the Russian Academy of Sciences, project II.8.70, and the Presidium of the Russian Academy of Sciences, Fundamental Research Program no. 32 «Nanostructures: Physics, Chemistry, Biology, Basics of Technologies». . - ISSN 1742-6588. - ISSN 1742-6596

РУБ Crystal growth and structural properties of semiconductor materials and nanostructures

Аннотация: In this work we show a preparation technique of Co2FeSi full-Heusler alloy thin films on silicon-on-insulator (SOI) substrates, employing rapid thermal annealing (RTA). The films of the Co2FeSi alloy were formed by a silicidation reaction, caused by RTA, between the ultrathin SOI (001) layer and the Fe/Co layers deposited on it. It is assumed that this technology is compatible with the process of formation of a half-metal source-drain in an advanced CMOS and SOI technology and will be applicable for the manufacture of a source-drain of a field-effect transistor. Schottky barrier field-effect transistors (FET) with a back-gate, based on silicon nanowires with source and drain of a Co2FeSi film, synthesized on an SOI substrate, were manufactured. The transport properties of the device were investigated.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk 660041, Russia
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk 660037, Russia

Доп.точки доступа:
Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Tarasov, A. S.; Тарасов, Антон Сергеевич; Shanidze, L. V.; Шанидзе, Лев Викторович; Yakovlev, I. A.; Яковлев, Иван Александрович; Zelenov, F. V.; Зеленов, Ф. В.; Masugin, A. N.; Масюгин, Альберт Николаевич; Ivanov, A. B.; Иванов, А. Б.; Baron, F. A.; Барон, Филипп Алексеевич; Volkov, N. V.; Волков, Никита Валентинович; International School and Conference on optoelectronics, photonics, engineering and nanostructures(6 ; 2019 ; 22-25 April ; Saint Petersburg)
}
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14.

    Особенности ферромагнитного резонанса лент аморфных сплавов FeSiBNbCu различного состава / С. В. Комогорцев [и др.] // Материаловедение. - 2019. - № 7. - С. 8-11, DOI 10.31044/1684-579X-2019-0-7-8-11. - Библиогр.: 25 . - ISSN 1684-579X
   Перевод заглавия: Ferromagnetic resonance features in FeSiBNbCu amorphous alloy tapes of different composition
Кл.слова (ненормированные):
аморфные металлические сплавы -- магнитный резонанс -- магнитные свойства -- намагниченность -- amorphous alloy -- magnetic resonance -- magnetic properties -- magnetization
Аннотация: Исследовано резонансное поглощение СВЧ-волн в аморфных лентах FeSiBNbCu различного состава, полученных быстрой закалкой из расплава. Для величины эффективной намагниченности, рассчитанной по величине резонансного поля, наблюдается линейное снижение с ростом концентрации примеси бора, меди, а также суммарного количества атомов немагнитной примеси в лентах сплава FeSiBNbCu на основе железа.
The resonance absorption of microwaves in amorphous FeSiBNbCu tapes of different compositions, prepared by rapid quenching from a melt has been studied. A linear decrease in effective magnetization with increasing boron, copper, and a total nonmagnetic impurity concentration in the FeSiBNbCu iron-based alloy tapes was observed.

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Переводная версия Features of the ferromagnetic resonance of amorphous FeSiBNbCu ribbons with different compositions [Текст] / S. V. Komogortsev, G. S. Krainova, N. V. Il’in [et al.] // Inorg. Mater.: Appl. Res. - 2020. - Vol. 11 Is. 1.- P.177-180

Держатели документа:
Дальневосточный федеральный университет
Институт физики им. Л. В. Киренского Сибирского отделения Российской академии наук - обособленное подразделение ФИЦ КНЦ СО РАН
Сибирский государственный университет науки и технологий им. академика М. Ф. Решетнева
Сибирский федеральный университет

Доп.точки доступа:
Комогорцев, Сергей Викторович; Komogortsev, S. V.; Крайнова, Г. С.; Kraynova G. S.; Ильин, Н. В.; Ilin N. V.; Плотников, В. С.; Plotnikov V. S.; Чеканова, Лидия Александровна; Chekanova, L. A.; Немцев, Иван Васильевич; Nemtsev, I. V.; Юркин, Глеб Юрьевич; Yurkin, G. Yu.; Исхаков, Рауф Садыкович; Iskhakov, R. S.; Ятманов, Д. А.; Yatmanov D. A.
}
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15.

Vazhenina, I. G.
Spin-Wave Resonance Detection of Nanostructured Magnetic Alloy Inhomogeneities, Using the Example of Co–P and Co–Ni Planar Systems / I. G. Vazhenina, L. A. Chekanova, R. S. Iskhakov // Bull. Russ. Acad. Sci. Phys. - 2019. - Vol. 83, Is. 6. - P. 713-715, DOI 10.3103/S1062873819060364. - Cited References: 12. - The reported study was funded by the Russian Foundation for Basic Research, the Government of Krasnoyarsk Krai, and the Krasnoyarsk Regional Fund of Science as part of research project no. 18-42-243005 “Synthesis and Investigation of Magnetic Properties of Gradient Materials Characterized by a Predetermined Type of the Magnetic Parameter Change.” . - ISSN 1062-8738
Кл.слова (ненормированные):
Magnetic materials -- Magnetic thin films -- Multilayers -- Nanocrystals -- Nickel alloys -- Resonance -- Spin waves -- Thickness measurement
Аннотация: Inhomogeneous layered magnetic thin films of amorphous and nanocrystalline Со–Р and Co–Ni alloys are studied via spin-wave resonance. It is found that the formation of a magnetic potential profile specified over the coating thickness leads to characteristic modifications of the spin-wave resonance spectrum. Another important factor that determines the type of modification is the dominant magnetic parameter (the constant of magnetization or exchange coupling).

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Публикация на русском языке Важенина, Ирина Георгиевна. Неоднородности в магнитных наноструктурных сплавах, выявляемые методом спин-волнового резонанса, на примере планарных систем Co–P и Co–Ni [Текст] / И. Г. Важенина, Л. А. Чеканова, Р. С. Исхаков // Изв. РАН. Сер. физич. - 2019. - Т. 83 № 6. - С. 786–788

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Chekanova, L. A.; Чеканова, Лидия Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Важенина, Ирина Георгиевна
}
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16.

Nikolaev, S. V.
Electronic Structure and Conductivity of a Disordered A1–xBx Binary Alloy in the Cluster Approach for the Hubbard Model / S. V. Nikolaev, Y. S. Orlov, V. A. Dudnikov // J. Exp. Theor. Phys. - 2020. - Vol. 131, Is. 5. - P. 823-837, DOI 10.1134/S1063776120100131. - Cited References: 27. - This study was supported by the Foundation “Basis” for development of theoretical physics and mathematics, Russian Foundation for Basic Research (project no. 19-03-00017), Government of Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science according to the research project “Electronic correlation effects and multiorbital physics in iron-based materials and cuprates” (no. 19-42-240007) and research project “Features of electron-phonon coupling in high-temperature superconductors with strong electronic correlations” (no. 18-42-240017) . - ISSN 1063-7761
Кл.слова (ненормированные):
Electronic structure -- Hubbard model -- Boltzmann -- Cluster approach -- Disordered system -- Electrical conductivity -- Electronic band structure -- Linear-response theory -- Strong electron correlations -- Binary alloys
Аннотация: We propose a method for calculating the electronic band structure of disordered systems with strong electron correlations. Various approaches to the description of electrical conductivity of disordered systems are considered. Calculations are based on determining the one-particle Green function of the system, which is averaged over different configurations of a cluster, on the Boltzmann formalism, and the Kubo linear response theory. As the basic model, we use the Hubbard model for an A –xBx binary alloy.

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Публикация на русском языке Николаев, Сергей Викторович. Электронная структура и электропроводность неупорядоченного бинарного сплава A1-xBx в рамках кластерного подхода для модели Хаббарда [Текст] / С. В. Николаев, Ю. С. Орлов, В. А. Дудников // Журн. эксперим. и теор. физ. - 2020. - Т. 158 Вып. 5. - С. 946-961

Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Scientific Center,” Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Orlov, Yu. S.; Орлов, Юрий Сергеевич; Dudnikov, V. A.; Дудников, Вячеслав Анатольевич; Николаев, Сергей Викторович
}
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17.

Synthesis of Co-Ni alloy particles with the structure of a solid substitution solution by precipitation in a supercritical carbon dioxide / N. Nesterov, V. Pakharukova, S. Cherepanova [et al.] // Nanomaterials. - 2022. - Vol. 12, Is. 24. - Ст. 4366, DOI 10.3390/nano12244366. - Cited References: 52. - This research was funded by the Russian Science Foundation, grant number № 21-73-00213 (https://rscf.ru/project/21-73-00213/ (accessed on 2 September 2020)). - The authors are grateful to S.V. Komogortsev and S.V. Stolyar for fruitful discussions and A.A. Krasikov for help in measurements. The magnetic measurements were performed using equipment from the Center for Collective Use, Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences . - ISSN 2079-4991
Кл.слова (ненормированные):
supercritical fluids -- Co-Ni alloy -- solid substitution solution
Аннотация: Mixed Co-Ni bimetallic systems with the structure of a solid substitution solution have been synthesized using the supercritical antisolvent precipitation (SAS) method, which uses supercritical CO2 as an antisolvent. The systems obtained have been characterized in detail using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), Fourier-transform infrared (FTIR) spectroscopy, and magnetostatic measurements. It has been found that Co-enriched systems have a defective hexagonal close-packed (hcp) structure, which was described by a model which embedded cubic fragments of packaging into a hexagonal close-packed (hcp) structure. It has been shown that an increase in water content at the precipitation stage leads to a decrease in the size of cubic fragments and a more uniform distribution of them in Co-enriched systems. It has also been shown that mixed systems have the greatest coercivity in the line of samples. Ni-enriched bimetallic systems have a cubic close-packed (ccp) structure with modified crystal lattice parameters.

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Держатели документа:
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russia
Institute of Engineering Physics and Radioelectronics, Siberian Federal University, 660041 Krasnoyarsk, Russia

Доп.точки доступа:
Nesterov, Nikolay; Pakharukova, Vera; Cherepanova, Svetlana; Yakushkin, Stanislav; Gerasimov, Evgeniy; Balaev, D. A.; Балаев, Дмитрий Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Martyanov, Oleg
}
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18.

Formation of NiAl shape memory alloy thin films by a solid-state reaction / V. G. Myagkov [et al.] // Solid State Phenomena. - 2008. - Т. 138, № . - P377-384, DOI 10.4028/www.scientific.net/SSP.138.377 . - ISSN 1662-9779

ГРНТИ

29.19

РИНЦ
Держатели документа:
Institute of Chemistry and Technology SB RAS
L.V. Kirensky Institute of Physics SB RAS
Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zharkov, S. M.; Жарков, Сергей Михайлович; Bondarenko, G. N.
}
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19.

Sign-variable thermoelectric effect in magnetoviscous Fe86Mn13C alloy [Text] / L. I. Kveglis, V. V. Kazantseva [et al.] // IV Euro-Asian Symposium "Trends in MAGnetism" Nanospintronics (EASTMAG-2010). School for young scientist "Spintronics" : June 28 - Lule 2, 2010"Book of abstracts. - Ekaterinburg, 2010. - P. 119

РИНЦ

Доп.точки доступа:
Kveglis, L.I.; Kazantseva, V.V.; Musikhin, V.A.; Panichkin, Yu.V.; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); Уральское отделение РАН
}
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20.

Phases, microstructure and magnetic properties in a severely deformed Cr-Ni–Al alloy / L. I. Kveglis, D. E. Yerbolatuly, F. M. Noskov [et al.] // J. Supercond. Nov. Magn. - 2023. - Vol. 36, Is. 4. - P. 1249-1255, DOI 10.1007/s10948-023-06567-8. - Cited References: 22. - The authors express their gratitude to Nurgamit Kantay (East-Kazakhstan University named after S. Amanzholov) for his help in conducting the experiment . - ISSN 1557-1939. - ISSN 1557-1947
Кл.слова (ненормированные):
Nickel–chromium alloy -- Coercive force -- Magnetic anisotropy -- Super-plasticity -- Intermetallic phases
Аннотация: The phases, microstructure, and magnetic properties in a severely deformed Cr-Ni–Al alloy have been studied. The eutectic microstructure observed in localized regions of the alloy can be interpreted as a result from the super-Arrhenius relaxation of the alloy. According to X-ray diffraction and magnetometry, the nanosized nickel inclusions in the matrix of the chromium-nickel γ-solid solution are formed. It is shown that, after severe (superplastic) deformation, a unidirectional magnetic anisotropy is induced, which may be associated with the antiferromagnetic coupling between the CrNi2 matrix and the nickel inclusions.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russia
East Kazakhstan University named after S. Amanzholov, Ust-Kamenogorsk, Kazakhstan
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia

Доп.точки доступа:
Kveglis, Ludmila I.; Yerbolatuly, Dosym E.; Noskov, Fedor M.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Volochaev, M. N.; Волочаев, Михаил Николаевич
}
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