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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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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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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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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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Effect of sodium hypophosphite content to the deposition rate, structure and magnetic properties of electroless deposited Ni-P alloy / R. N. Yaroslavtsev [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P. 237-241, DOI 10.4028/www.scientific.net/SSP.215.237. - Cited References: 15 . - ISSN 978-30383. - ISSN 1662-9779
Кл.слова (ненормированные):
Electroless coatings -- Nickel-phosphorus alloy
Аннотация: The deposition kinetics, structure and magnetic properties of electroless deposited films Ni-P were investigated depending on the amount of sodium hypophosphite in the electroless bath. It was found that the film deposition rate is linear and unambiguously varies with the hypophosphite content from 2 to 13 g/l and from 23 to 25 g/l. The deposition rate varies widely in the hypophosphite concentration range from 13 to 23 g/l. The films are composed of amorphous Ni-P phase and fcc Ni-P solid solution with phosphorus content from 1 to 4 at.% P according to X-ray diffraction. The partial amount of amorphous phase is increased with concentration of sodium hypophosphite. The ferromagnetic resonance field is independent on the concentration of sodium hypophosphite, which assumes to be result from the laminated allocation of the amorphous and fcc phases in the film. © (2014) Trans Tech Publications, Switzerland.

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Доп.точки доступа:
Ovchinnikov, S. G. \ed.\; Овчинников, Сергей Геннадьевич; Samardak, A. \ed.\; Yaroslavtsev, R. N.; Ярославцев, Роман Николаевич; Chekanova, L. A.; Чеканова, Лидия Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; sept. ; 15-21 ; Vladivostok)
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Electromagnetic forming of aluminum alloy sheet using a grooved die: numerical modeling [Text] / Mamalis D.Manolakos D.E.Kladas A.G. [и др.] // Phys. Met. Metallogr. - Vol. 102, Suppl. 1, Chapter 13. - P. S90-S93DOI 10.1134/S0031918X06140237. - Cited References: 3
Аннотация: A commercial ANSYS FE Code is employed for the simulation of the electromagnetic sheet-metal forming into a grooved die. An industrial pancake coil is considered as the forming tool. The deformation characteristics of the sheet (workpiece) as well as the electromagnetic parameters of the high-energy process are calculated numerically. An equivalent-circuit method is used to validate the electromagnetic model. The results from both analyses are in good agreement.

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Держатели документа:
Manufacturing Technology Division, Athens, 15780, Greece
Electric Power Division, N.T.U.A., Athens, 15780, Greece
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences

Доп.точки доступа:
Mamalis, D.; Manolakos, D.E.; Kladas, A.G.; Koumoutsos, A.K.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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10.

Electronic structure of grain boundaries in the Fe-86-Mn-12.7-C(1.3)alloy / A. V. Nyavro [et al.] // Russ. Phys. J. - 2008. - Vol. 51, Is. 9. - P. 973-979, DOI 10.1007/s11182-009-9127-5. - Cited References: 13 . - ISSN 1064-8887

РУБ Physics, Multidisciplinary
Рубрики:
FERROMAGNETIC IRON
EXCHANGE
Аннотация: The importance of studying Fe-Mn-C alloys is related to their wide use as constructional materials in mechanical engineering. In this work an effort has been made to elucidate the physical origin of the magnetization in austenitic steels by calculating the electronic structure of grain boundaries. To theoretically investigate the magnetic properties of a crystal of ferromagnetic bcc iron, the wave functions of the iron atom calculated in view of the spin polarization of a core by the Hartree-Fock method with local exchange-correlation potentials have been used as base functions. This has made it possible to optimize the choice of a zero approximation for the description of the electronic states of ferromagnetic iron and to attain good agreement with the experimental values of the magnetic moment (A mu(theor) = 2.23A mu(B), A mu(exp) = 2.218A mu(B)), of the exchange splitting of the crystal term P-4 (Delta(theor) = Delta(exp) = 0.112 Ry), and of the cross-sections of the Fermi surface. A similar approach has been used to investigate the magnetic states of clusters (nanoclusters) based on the method of scattered waves. The approach developed for clusters of the alloy under investigation makes it possible to calculate the alloy magnetic properties in relation to the cluster size for a varied lattice parameter.

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Держатели документа:
[Nyavro, A. V.
Cherepanov, V. N.] Tomsk VV Kuibyshev State Univ, Tomsk 634050, Russia
[Musikhin, V. A.] Siberian Fed Univ, Krasnoyarsk, Russia
[Arkhipkin, V. G.] Russian Acad Sci, LV Kirenskii Phys Inst, Siberian Branch, Krasnoyarsk, Russia
[Kveglis, L. I.] E Kazakhstan Tech Univ, Ust Kamenogorsk, Kazakhstan
ИФ СО РАН
Tomsk State University, Tomsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
L. V. Kirenskii Physics Institute, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
East-Kazakhstan Technical University, Ust Kamenogorsk, Kazakhstan

Доп.точки доступа:
Nyavro, A. V.; Cherepanov, V. N.; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Kveglis, L. I.; Musikhin, V. A.
}
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11.

Examination of structure, optical and magnetic properties of epitaxial Fe1–xSix/Si(111) alloy films / I. A. Tarasov [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. O10.20. - P. 464. - References: 1. - The work was supported by State contract No. 02.G25.31.0043, State task No.16.663.2014К, the Complex program of SB RAS № II.2P, project 0358-2015-0007 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
epitaxy -- iron silicides -- optical and magnetic properties -- structure, defects

Доп.точки доступа:
Tarasov, I. A.; Тарасов, Иван Анатольевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Kuzubov, A. A.; Кузубов, Александр Александрович; Zamkova, N. G.; Замкова, Наталья Геннадьевна; Kosyrev, N. N.; Косырев, Николай Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Shemukhin, A. A.; Чемухин А. А.; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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12.

Ferromagnetic and spin-wave resonance in FexNi1-x (0∠x∠1) films / I. G. Vazhenina [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2015. - Vol. 233-234: Achievements in Magnetism. - P. 682-685, DOI 10.4028/www.scientific.net/SSP.233-234.682 . - ISSN 1662-9779. - ISSN 978-3-038
Кл.слова (ненормированные):
Electroless deposited method -- Ferromagnetic and spin-wave resonance -- Heterogeneity structure -- Invar alloy Fe-Ni -- Ferromagnetic materials -- Ferromagnetism -- Magnetism -- Multilayers -- Nickel -- Resonance -- Dispersion relations -- Electroless -- FeNi alloys -- Invar alloy -- Magnetic heterogeneity -- Resonance field -- Spin wave resonances -- Wave spectroscopy -- Spin waves
Аннотация: We report ferromagnetic and spin-wave resonance measurements on the electroless deposited thin films of Fe-Ni alloy including alloy with invar content. From spin-wave resonance spectrum we defined the dependences of resonance fields on the number of mode. Analysis of this spectrum shows that positions of resonance fields are described by the Kittel dispersion relation. The type and the size of magnetic heterogeneity is estimated by the spin-wave spectroscopy technique. © (2015) Trans Tech Publications, Switzerland.

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Доп.точки доступа:
Perov, N. \ed.\; Semisalova, A. \ed.\; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Chekanova, L. A.; Чеканова, Лидия Александровна; Stolyar, S. V.; Столяр, Сергей Викторович; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
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13.

Formation of 4H-closely packed structure in thin films of metastable nanocrytalline Co13Cu87 alloy / D. L. Khalyapin [et al.] // Solid State Commun. - 2003. - Vol. 128, Is. 6-7. - P. 209-212, DOI 10.1016/j.ssc.2003.08.018. - Cited References: 10 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
MAGNETORESISTANCE
Кл.слова (ненормированные):
nanocrystalline materials -- metals -- metastable solid solution -- ion impact -- Metals -- Nanocrystalline materials -- Metastable solid solution -- Ion impact -- Crystal lattices -- Nanostructured materials -- Solid solutions -- Thin films -- Ion polishing -- Cobalt alloys
Аннотация: The crystal structure of the thin films of metastable Co13Cu87 alloy prepared by magnetron sputtering was investigated by transmission electron microscope. As-deposited films have a nanocrystal structure with an fcc lattice. As a result of the prolonged ion polishing with a beam of Ar ions with the energy of 4.7 keV, the four-layer 4H dhcp structure was formed. (C) 2003 Elsevier Ltd. All rights reserved.

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Держатели документа:
RAS, Kirensky Inst Phys SB, Lab Magnetodynam, Krasnoyarsk 660036, Russia
Hanyang Univ, Dept Met & Mat Sci, Ansan 452791, Kyunggi, South Korea
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Laboratory of Magnetodynamics, Kirensky Institute of Physics, SB RAS, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Department of Metallurgical Science, Hanyang University, Ansan, Kyunggi-Do 452-791, South Korea
Krasnoyarsk State University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Khalyapin, D. L.; Kim, J.; Stolyar, S. V.; Столяр, Сергей Викторович; Turpanov, I. A.; Турпанов, Игорь Александрович; Kim, P. D.; Ким, Пётр Дементьевич; Kim, I.
}
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14.

    Formation of bulk nanocrystalline and amorphous alloy with controllable microstructure and magnetic properties by plasma spray deposition / E. Denisova [et al.] // IEEE Int. Magnetics Conf., INTERMAG 2015 : IEEE-Institute Electrical and Electronics Engineers, 2015. - Ст. ED-03, DOI 10.1109/INTMAG.2015.7157074. - Cited References:7 . - ISBN 978-147997322-4
   Перевод заглавия: Формирование объемных нанокристаллических и аморфных сплавов с контролируемой микроструктурой и магнитными свойствами при плазменном напылении.

РУБ Engineering, Electrical & Electronic

Аннотация: Nanostructured and amorphous materials exhibit unique and enhanced chemical, mechanical, and magnetic properties [1,2]. The industrial applications of these materials rely on their successful consolidation into bulk body while preserving their structures. Nanostructured and amorphous coatings without grain growth can be formed by plasma spray deposition [3-5]. In this case the microstructure of the bulk coating can be tuned from full amorphous state to composite with nano-crystalline particles in the amorphous matrix, and finally into nanostructured state accompanying with the magnetic properties changes. It was found [6] that the desired magnetic properties of Co58Ni10Fe5B16Si11 bulk alloy (zero magnetostriction, high initial and maximum magnetic permeability, etc.) can be achieved by formation of coating with certain amorphous/crystalline phase ratio. In the present work, the role of the plasma spray deposition regimes in the control of microstructure and magnetic property of the bulk coating, the mechanism for the nanocrystalline and amorphous structure formation, and the relation between the microstructure and magnetic properties are discussed. © 2015 IEEE.

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Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Lepeshev, A. A.; Лепешев, Анатолий Александрович; Saunin, V. N.; Cfeyby D/ Y/; Telegin, S. V.; Телегин С. В.; Kuzovnikova, L. A.; Кузовникова, Людмила Александровна; Shepeta, N. A.; Шепета, Наталья Александровна; IEEE International Magnetics Conference(2015 ; May ; 11-15 ; Beijing, China)
}
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15.

Formation of ferromagnetic germanides by solid-state reactions in 20Ge/80Mn films / V. G. Myagkov [et al.] // Thin Solid Films. - 2014. - Vol. 552. - P. 86-91, DOI 10.1016/j.tsf.2013.12.029. - Cited References: 53 . - ISSN 0040-6090

РУБ Materials Science, Multidisciplinary + Materials Science, Coatings & Films + Physics, Applied + Physics, Condensed Matter
Рубрики:
PHASE-FORMATION
   MAGNETIC-PROPERTIES
   Mn5Ge3 FILMS
   X-RAY
   Ge(111)
   TRANSFORMATIONS
   DIFFUSION
   SPECTRA
   SYSTEM
   LAYERS
Кл.слова (ненормированные):
Manganite-germanium -- Solid state reaction -- First phase -- Mn5Ge3 alloy -- Carbon impurity -- Oxygen impurity -- Annealing -- Magnetic anisotropy
Аннотация: Solid state reactions between Ge and Mn films are systematically examined using X-ray diffraction, photoelectron spectroscopy, and magnetic and electrical measurements. The films have a nominal atomic ratio Ge:Mn = 20:80 and are investigated at temperatures from 50 to 500 °C. It is established that after annealing at ~ 120°C, the ferromagnetic Mn5Ge3 phase is the first phase to form at the 20Ge/80Mn interface. As the annealing temperature increases to 300°C, the weak magnetic Mn5Ge 2 + Mn3Ge phases simultaneously begin to grow and they become dominant at 400°C. Increasing the annealing temperature to 500°C leads to the formation of the ferromagnetic phase with a Curie temperature TC ~ 350-360 K and magnetization 14-25 kA/m at room temperature. The X-ray diffraction study of the samples shows the reflections from the Mn 5Ge3 phase, and the photoelectron spectra contain the oxygen and carbon peaks. The homogeneous distribution of oxygen and carbon over the sample thickness suggests that the increased Curie temperature and magnetization are related to the migration of C and O atoms into the Mn 5Ge3 lattice and the formation of the Nowotny phase Mn5Ge3CxOy. The initiation temperature (~ 120 C) is the same in the Mn5Ge3 phase with the solid-state reactions in the Ge/Mn films as well as in the phase separation in the GexMn1 - x diluted semiconductors. Thus, we conclude that the synthesis of the Mn5Ge3 phase is the moving force for the spinodal decomposition of the GexMn 1 - x diluted semiconductors.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Reshetnev Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660049, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Zhigalov, V. S.; Жигалов, Виктор Степанович; Matsynin, A. A.; Мацынин, Алексей Александрович; Bykova, L. E.; Быкова, Людмила Евгеньевна; Mikhlin, Y. L.; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Patrin, G. S.; Патрин, Геннадий Семёнович; Yurkin, G. Yu.; Юркин, Глеб Юрьевич
}
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16.

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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17.

    Fourfold magnetic anisotropy of CoPd alloy, obtained by solid state reactions in epitaxal Pd/hcp-Сo and Pd/fcc-Co bilayer [Текст] / V. G. Myagkov [и др.] // Moscow Int. Symp. on Magnet. (MISM-2014) : Book of abstracts. - 2014. - Ст. 2PO-I1-21. - P. 764 . - ISBN 978-5-91978-025-0
   Перевод заглавия: Четырехосная магнитная анизотропия CoPd сплава, полученного при помощи твердофазной реакции в эпитаксиальныхPd/hcp-Сo and Pd/fcc-Co бислоях.

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Доп.точки доступа:
Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Bonda, G. N.; Бондаренко, Галина Николаевна; Moscow International Symposium on Magnetism(6 ; 2014 ; 29 June-3 July ; Moscow); Московский государственный университет им. М.В. Ломоносова
}
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18.

    Fourfold magnetic anisotropy of CoPd alloy, obtained by solid state reactions in epitaxal Pd/hcp-Сo and Pd/fcc-Co bilayers / V. G. Myagkov [et al.] // Solid State Phenom. : Selected, peer reviewed papers. - 2015. - Vol. 233-234: Achievements in Magnetism. - P. 571-574, DOI 10.4028/www.scientific.net/SSP.233-234.571 . - ISSN 1662-9779. - ISSN 978-3-038
   Перевод заглавия: Четырехосная магнитная анизотропия CoPd сплава, полученного твердофазным синтезом в эпитаксиальных Pd/hcp-Сo и Pd/fcc-Co двухслойных пленках
Рубрики:
Achievements in magnetism
Кл.слова (ненормированные):
CoPd alloys -- epitaxial growth -- epitaxial relationship -- magnetic anisotropy -- solid-state reaction
Аннотация: The solid-state reaction between epitaxial hcp-Co (110) and fcc-Co (001) thin films and Pd layers was investigated at annealing temperatures between 250 and 650 °C using X-ray diffraction and magnetic measurements. No significant intermixing of the layers occurs at annealing temperatures below 400 °C. For the atomic composition 1Co:1Pd after annealing at 450 °C the disordered solid solution fcc-CoxPd1-x is formed on the Pd/hcp-Co (110) and Pd/fcc-Co (001) interfaces. Epitaxial relationships CoPd (110)〈-111〉 || MgO(001)〈100〉 and CoPd (001)〈100〉 || MgO(001)〈100〉 between the nucleated disordered phase CoPd and the substrate MgO(001) were determined for Pd/hcp-Co (110) and Pd/fcc-Co (001) bilayers, respectively. The first magnetocrystalline anisotropy constant of the disordered CoPd phase K1CoPd = - (1.8 ± 0.4)·104 J/m3 for the (110) and (001) orientations was obtained.

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Доп.точки доступа:
Perov, N. \ed.\; Semisalova, A. \ed.\; Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Bondarenko, G. N.; Бондаренко, Галина Николаевна; Matsynin, A. A.; Мацынин, Алексей Александрович; Moscow International Symposium on Magnetism(6 ; 2014 ; June-July ; Moscow)
}
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19.

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.

WOS

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Lepeshev, A. A.; Лепешев, Анатолий Александрович; Исхаков, Рауф Садыкович
}
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20.

ISKHAKOV, R. S.
FERROMAGNETIC AND SPINWAVE RESONANCE IN CRYSTALLINE AND AMORPHOUS CO-ZR ALLOY-FILMS / R. S. ISKHAKOV, M. M. BRUSHTUNOV, A. S. CHEKANOV // Fiz. Tverd. Tela. - 1987. - Vol. 29, Is. 9. - P. 2699-2704. - Cited References: 11 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
BRUSHTUNOV, M. M.; CHEKANOV, A. S.
}
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