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Artemiev, E. M.
2 regions of amorphous state in the equiatomic composition copd alloy-films / E. M. Artemiev, A. S. Komalov, A. A. Smyk // Fiz. Tverd. Tela. - 1983. - Vol. 25, Is. 3. - P. 949-950. - Cited References: 2 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Komalov, A. S.; Smyk, A. A.
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Analysis of phase composition of Co-P alloy powders using magnetometric data / L. A. Chekanova [et al.] // Phys. Metals & Metallogr. - 2013. - Vol. 114. Is. 2. - P. 122-128DOI 10.1134/S0031918X1302004X
Аннотация: A new method for the quantitative estimate of the phase composition of a multiphase ferromagnetic alloy is suggested that is based on measuring the temperature and field dependences of the magnetization. The phase composition of ultrafine Co-P powders is characterized. Phase diagrams of nonequilibrium Co-P solid solutions are constructed on particle size, i.e., the phosphorus concentration coordinates.

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Публикация на русском языке Анализ фазового состава порошков сплава СО–P на основе магнитометрических измерений. - [S. l. : s. n.]

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Siberian State Technol Univ, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Chekanova, L. A.; Чеканова, Лидия Александровна; Denisova, E. A.; Денисова, Елена Александровна; Goncharova, O. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович
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Approach to magnetic saturation and random magnetic anisotropy in nanocrystalline alloy Fe73.5CuNb3Sil3.5B9 / S. V. Komogortsev, R. S. Iskhakov, P. A. Kuznetsov [et al.] // Moscow Int. Symp. on Magnet. (MISM-2011) : Book of abstracts. - 2011. - Ст. 23PO-I-19. - P. 399. - Библиогр.: 1. - Support by Federal Program “Development of the Scientific Potential of Higher Education” (project no. RNP 2.1.1/11470), Federal Target Program “Research and Research-Pedagogical Personnel of Innovation Russia for 2009-2013”, Russian Foundation for Basic Research (project 11-03-00471-а) are acknowledged.

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Доп.точки доступа:
Komogortsev, S. V.; Комогорцев, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kuznetsov, P. A.; Balaev, A. D.; Балаев, Александр Дмитриевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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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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    Conversion of magnetic anisotropy in electrodeposited Co-Ni alloy nanowires / A. S. Samardak [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 94-99, DOI 10.1010/j.jmmm.2014.10.047. - Cited References:24. - This work was supported in part by the Russian Ministry of Education and Science and Far Eastern Federal University. M.N acknowledges the student financial support of Iranian Nanotechnology Initiative Council. . - ISSN 0304. - ISSN 1873-4766
   Перевод заглавия: Конверсия магнитной анизотропии в электроосажденных нанонитях сплава CoNi

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
COBALT NANOWIRES
ARRAYS
Кл.слова (ненормированные):
Coercive force -- Magnetic anisotropy -- Magnetic hysteresis -- Binary alloy -- nanowires -- Alumina template -- Electrodeposition
Аннотация: In this paper, the influence of alternating current (ac) electrodeposition frequency and waveform is reported on chemical composition, microstructure and consequently magnetic properties of Co-Ni binary alloy nanowire arrays embedded in an alumina template. For sinusoidal and square electrodeposition waveforms the easy axis of magnetization rotates from being parallel to perpendicular orientation to nanowire long axis as the deposition frequency increases from 200 to 800 Hz. The reason for the drastic change of magnetic anisotropy in nanowires is attributed to the increase of cobalt content and the crystal structure phase transformation from fcc-hcp mixture at high Ni content to imp at high Co content. We explain the conversion of magnetic behavior of nanowire arrays in terms of a competition between the shape and magnetocrystalline anisotropies. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok, Russia.
Sahand Univ Technol, Fac Mat Engn, Tabriz, Iran.
SB Russian Acad Sci, Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Samardak, A. S.; Nasirpouri, F.; Nadi, M.; Sukovatitsina, E. V.; Ognev, A. V.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Russian Ministry of Education and Science; Far Eastern Federal University; Iranian Nanotechnology Initiative Council
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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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    Kveglis, L. I.
    Crystal and magnetic structures under martensite transformation in Fe86Mn13C alloy / L. I. Kveglis, M. N. Volochaev, F. M. Noskov // Технические и естественные науки: теория и практика : сб. материалов / ред. К. Е. Румянцев. - Киров : Междунар. центр науч.-исслед. проектов, 2015. - С. 190-201
   Перевод заглавия: Кристаллическая и магнитная структура при мартенситном превращении в сплаве Fe86Mn13C
Аннотация: Self-assembly of crystal and magnetic structures was experimentally observed on a multiscale level in bulk and thin film Fe86Mn13C samples. A cluster model of the atomic self-assembly has been suggested based on the concept of a liquid-like state of material in localized areas produced by plastic deformation waves
Экспериментально исследована самоорганизация кристаллической и магнитной структур на различных масштабных уровнях в массивных и тонкопленочных образцах сплава Fe86Mn13C. Предложена кластерная модель самоорганизации структуры на атомном уровне, основанная на представлениях о жидкоподобном состоянии материала в локализованных областях, сформированных волнами пластической деформации.

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Доп.точки доступа:
Румянцев, К. Е. \ред.\; Volochaev, M. N.; Волочаев, Михаил Николаевич; Noskov, F. M.
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Iskhakov, R. S.
Ddiffuse amorphous phase-1 amorphous phase-2 phase-transition in the amorphous alloy Co-Ni-Fe-B-Si / R. S. Iskhakov, E. A. Denisova, A. A. Lepeshev // JETP Letters. - 1995. - Vol. 62, Is. 7. - P. 564-567. - Cited References: 7 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary

Аннотация: It is shown that under certain conditions relaxation annealing of the amorphous alloys Co-Ni-Fe-B-Si leads to a diffuse ''amorphous phase 1 - amorphous phase 2'' phase transition at the structural relaxation stage. (C) 1995 American Institute of physics.

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Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Lepeshev, A. A.; Лепешев, Анатолий Александрович; Исхаков, Рауф Садыкович
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Rusova, S. G.
Dependence of some magnetic properties of single crystal Fe-Ni-Co alloy films on crystal structure / S. G. Rusova, A. A. Kovalevich, G. I. Rusov // International colloquium on physics of magnetic films : [program and abstracts] / chairman L. V. Kirensky ; vice-chaiman: V. A. Buravikhin, R. V. Telesnin ; progr. and publ. com. N. M. Salansky ; progr. com.: V. A. Ignatchenko, Yu. V. Zakharov [et al]. - Irkutsk, 1968. - Session Domain structure. - Ст. 4-B.1. - P. 51

Держатели документа:
Институт физики СО АН СССР

Доп.точки доступа:
Kovalevich, A. A.; Ковалевич, А. А.; Rusov, G. I.; Русов, Глеб Иванович; Русова, Светлана Григорьевна; Академия наук СССР; Научный совет по комплексной проблеме "Физика твердого тела" АН СССР; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Иркутский государственный педагогический институт; International colloquium on physics of magnetic films(3 ; 1968 ; 8-16 July ; Irkutsk)Международный коллоквиум по физике магнитных пленок(1968 ; 8-16 июля ; Иркутск)
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10.

Effect of alloy formation processes in the Co-Cu system on the magnetic and magnetoresistance properties of multilayer Co/Cu films with ultrathin Co layers prepared by DC magnetron sputtering / D. L. Khalyapin [et al.] // Phys. Solid State. - 2010. - Vol. 52, Is. 9. - P. 1787-1796, DOI 10.1134/S1063783410090015. - Cited References: 29 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
GIANT MAGNETORESISTANCE
   SIZE DISTRIBUTION
   SPIN VALVES
   EXCHANGE
   TEMPERATURE
   HYSTERESIS
   ANISOTROPY
   CU(001)
   ISLANDS
Аннотация: This paper reports on a study of multilayer Co/Cu films with an effective thickness of the Co layer of similar to 3.5 , which were prepared by magnetron sputtering. The samples prepared have been found to have a metastable multiphase structure. An analysis of the data obtained by structural and, primarily, by magnetic methods has revealed that the main phases are the Co/Cu supersaturated solid solution (alloy) with a Co concentration of about 30 at %, the superparamagnetic phase, and the paramagnetic phase, which is accounted for by the presence of small (a few atoms at most) Co clusters embedded in the Cu matrix. A clearly pronounced maximum in the temperature dependences of the low-field magnetoresistance has been found, which is associated with the temperature of the magnetic phase transition of the supersaturated Co-Cu alloy.

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Держатели документа:
[Khalyapin, D. L.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Khalyapin, D. L.
Kim, P. D.
Turpanov, I. A.
Beten'kova, A. Ya.
Bondarenko, G. V.
Isaeva, T. N.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Kim, J.] Hanyang Univ, Dept Met & Mat Sci, Ansan 426791, South Korea
[Kim, I.] Samsung Elect Mech Co LTD, Cent R&D Inst, EMD Lab, Suwon 443743, Gyunggi Do, South Korea
ИФ СО РАН
Siberian Federal University, pr. Svobodny 79, Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation
Department of Metallurgical and Material Science, Hanyang University, Sa-3-dong 1271, Ansan 426-791, South Korea
EMD Laboratory, Central R and D Institute, Samsung Electro-Mechanics Co., LTD, 314 Maetan3-Dong, Yeongtong-Gu, Suwon, Gyunggi-Do 443-743, South Korea

Доп.точки доступа:
Khalyapin, D. L.; Kim, P. D.; Ким, Пётр Дементьевич; Kim, J.; Turpanov, I. A.; Турпанов, Игорь Александрович; Beten'kova, A. Ya.; Бетенькова, Анна Яковлевна; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Isaeva, T. N.; Kim, I.
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