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Influence of the DyxCo1-x–Bi interface on the magnetic properties of DyxCo1-x/Bi/Py three-layer structures / N. N. Kosyrev, G. S. Patrin, Ya. G. Shiyan [et al.] // J. Supercond. Nov. Magn. - 2024. - Vol. 37, Is. 2. - P. 419-424, DOI 10.1007/s10948-024-06690-0. - Cited References: 15. - The authors are grateful to R.Yu. Rudenko for carrying out measurements using an atomic force microscope. - The research was conducted according to the state assignment of the Ministry of Science and Higher Education of the Russian Federation and the Federal State Autonomous Educational Institution of Higher Education Siberian Federal University (No. FSRZ-2023–0008) . - ISSN 1557-1939. - ISSN 1557-1947
Кл.слова (ненормированные):
Multilayer magnetic films -- Exchange interaction -- Exchange bias -- Ellipsometry -- SQUID magnetometry
Аннотация: The interlayer interactions in multilayer systems with a non-magnetic semimetallic interlayer are great of interest. The magnetic and structural properties of the DyxCo1-x/Bi/Py systems (17 ˂ x ˂ 26 at.%) have been studied. The temperature dependences of magnetization in the range 4.2–300 K were measured for the first time. The influence of the bismuth interlayer thickness on the exchange interaction between the DyCo and Py layers was found as well as the critical value of its thickness. The obtained atypical value of the period of exchange bias oscillations was explained by the formation of bismuth compounds with dysprosium–pnictogenides at bismuth thicknesses below the critical value. The interface was investigated by spectral ellipsometry in the range 2–5 eV. The information on the structure of the surface obtained by atomic force microscopy was used to create a multilayer model for fitting experimental ellipsometric data. Analysis of the optical properties showed that pnictogenide Dy3Bi2 is formed at the interface, which affects the general magnetic state of the samples studied.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodny Pr., 660041, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences, Akademgorodok 50, Building 38, 660036, Krasnoyarsk, Russia
Achinsk Branch of Krasnoyarsk State Agrarian University, Achinsk, Russia

Доп.точки доступа:
Kosyrev, N. N.; Косырев, Николай Николаевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Volchenko, E. N.; Волченко Е. Н.; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Komarov, V. A.; Комаров, Василий Андреевич; Semenov, S. V.; Семёнов, Сергей Васильевич
}
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Magnetism and specific heat of ludwigites Mn1.17Co1.83BO5 and Mn1.39Co1.61BO5 / D. V. Popov, T. P. Gavrilova, M. A. Cherosov [et al.] // J. Alloys Compd. - 2024. - Vol. 976. - Ст. 173143, DOI 10.1016/j.jallcom.2023.173143. - Cited References: 34. - This research was supported by the Russian Science Foundation (Project No. 23-72-00047). The work of T.P. Gavrilova and D.V. Popov on the specific heat approximation had the financial support from the government assignment for FRC Kazan Scientific Center of RAS. The work of M.A. Cherosov on the measurements of specific heat has been supported by the Kazan Federal University Strategic Academic Leadership Program (PRIORITY-2030) . - ISSN 0925-8388. - ISSN 1873-4669
Кл.слова (ненормированные):
Magnetically ordered materials -- Ludwigites -- Exchange bias -- Spin glass transition
Аннотация: Mn1.17Co1.83BO5 and Mn1.39Co1.61BO5 ludwigites were synthesized by the flux technique and investigated by means of X-ray diffraction, X-ray fluorescence, DC and AC magnetic susceptibility, and specific heat analysis. The crystal structure of both ludwigites belongs to the Pbam space group with a = 9.25 Å, b = 12.41 Å, and c = 3.05 Å for Mn1.17Co1.83BO5 and a = 9.27 Å, b = 12.45 Å, and c = 3.05 Å for Mn1.39Co1.61BO5. The simultaneously observed negative values of the Curie-Weiss temperatures and ferromagnetic-type hysteresis loops allow us to assume that the ferrimagnetic ordering is realized in Mn1.39Co1.61BO5 below TF = 60.8 K, while in Mn1.17Co1.83BO5 in addition to the above mentioned experimental facts the frequency dependencies of the real and imaginary parts of the AC magnetization were observed assuming the presence of the canonical spin-glass state below TSG = 44.5 K. The observed difference in coercive forces of M-H curves at low temperatures can be associated with presence of two spin subsystems for Mn1.17Co1.83BO5.

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Держатели документа:
Zavoisky Physical-Technical Institute, FRC KazSC RAS, Sibirsky tract, 10/7, Kazan, 420029, Russian Federation
Institute of Physics, Kazan (Volga Region) Federal University, Kremlevskaya st., 18, Kazan, 420008, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 50/38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Popov, D. V.; Gavrilova, T. P.; Cherosov, M. A.; Shustov, V. A.; Moshkina, E. M.; Мошкина, Евгения Михайловна; Fazlizhanov, I. I.; Eremina, R. M.
}
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    Эффекты обменного смещения и магнитной близости в трехслойных пленках FeNi/V2O3/FeNi / Г. С. Патрин, А. В. Кобяков, В. И. Юшков [и др.] // Магнитные материалы. Новые технологии : тез. докл. IX Байкал. междунар. конф. BICMM-2023 / чл. прогр. ком.: S. S. Aplesnin [et al.] ; чл. орг. ком. R. S. Iskhakov [et al.]. - Иркутск, 2023. - С. 71-72, DOI 10.26516/978-5-9624-2178-0.2023.1-207 . - ISBN 978-5-962402178-0
   Перевод заглавия: Effects of exchange bias and magnetic proximity in trilayer FeNi/V2O3/FeNi films

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

Доп.точки доступа:
Аплеснин, Сергей Степанович \чл. прогр. ком.\; Aplesnin, S. S.; Балаев, Дмитрий Александрович \чл. прогр. ком.\; Balaev, D. A.; Овчинников, Сергей Геннадьевич \чл. прогр. ком.\; Ovchinnikov, S. G.; Исхаков, Рауф Садыкович \чл. орг. ком.\; Iskhakov, R. S.; Патрин, Геннадий Семёнович; Patrin, G. S.; Кобяков, Александр Васильевич; Kobyakov, A. V.; Юшков, Василий Иванович; Yushkov, V. I.; Анисимов, И. О.; Жарков, Сергей Михайлович; Zharkov, S. M.; Семенов, Сергей Васильевич; Semenov, S. V.; Моисеенко, Евгений Тимофеевич; Байкальская международная конференция "Магнитные материалы. Новые технологии"(9 ; 2023 ; сент. ; 11-14 ; Байкальск); "Магнитные материалы. Новые технологии", Байкальская международная конференция(9 ; 2023 ; сент. ; 11-14 ; Байкальск); "Magnetic materials. New tecnologies", Baikal International Conference(9 ; 2023 ; Sept. ; 11-14 ; Baikalsk); Иркутский государственный университет
}
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Complex study of magnetization reversal mechanisms of FeNi/FeMn bilayers depending on growth conditions / C. Gritsenko, V. Lepalovskij, M. Volochaev [et al.] // Nanomaterials. - 2022. - Vol. 12, Is. 7. - Ст. 1178, DOI 10.3390/nano12071178. - Cited References: 44. - This work has been supported by the grant of the Slovak Research and Development Agency under the contract No APVV-20-0324. This work was in part financially supported by the Ministry of Science and Higher Education of the Russian Federation, Subject of the state task No. FEUZ-2020-0051 . - ISSN 2079-4991
Кл.слова (ненормированные):
exchange bias -- exchange spring -- AFM grain size -- substrate temperature -- hysteresis loop asymmetry -- magnetization reversal
Аннотация: Magnetization reversal processes in the NiFe/FeMn exchange biased structures with various antiferromagnetic layer thicknesses (0–50 nm) and glass substrate temperatures (17–600 °C) during deposition were investigated in detail. Magnetic measurements were performed in the temperature range from 80 K up to 300 K. Hysteresis loop asymmetry was found at temperatures lower than 150 K for the samples with an antiferromagnetic layer thickness of more than 10 nm. The average grain size of FeMn was found to increase with the AFM layer increase, and to decrease with the substrate temperature increase. Hysteresis loop asymmetry was explained in terms of the exchange spring model in the antiferromagnetic layer.

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Держатели документа:
Research and Education Center “Smart Materials and Biomedical Applications”, Immanuel Kant Baltic Federal University, Gaidara str., 6, Kaliningrad, 236041, Russian Federation
Solid State Magnetism Department, Institute of Natural Sciences and Mathematics, Ural Federal University, Yekaterinburg, 620002, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Institute of Physics, Faculty of Science, Pavol Jozef Safarik University, Park Angelinum 9, Kosice, 040 01, Slovakia
Faculty of Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen, Duisburg, 47057, Germany
Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, Gdansk, 80233, Poland
Materials Science and Metallurgy Shared Use Research and Development Center, National University of Science and Technology MISiS, Moscow, 119049, Russian Federation

Доп.точки доступа:
Gritsenko, C.; Lepalovskij, V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Komanicky, V.; Gorkovenko, A.; Pazniak, H.; Gazda, M.; Andreev, N.; Rodionova, V.
}
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Magnetization reversal and sign reversal exchange bias field in polycrystalline Ni5.33Ta0.67B2O10 / S. N. Sofronova, N. V. Kazak, E. V. Eremin [et al.] // J. Alloys Compd. - 2021. - Vol. 864. - Ст. 158200, DOI 10.1016/j.jallcom.2020.158200. - Cited References: 31. - The research was funded by RFBR , Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science , project number 18-42-240007 . - ISSN 0925-8388
Кл.слова (ненормированные):
Exchange bias -- Quasi low-dimensional compounds -- Frustrated magnetism -- Magnetisation reversal
Аннотация: The sign reversal of both magnetization and exchange bias field was studied in the polycrystalline Ni5.33Ta0.67B2O10. The crystal structure of Ni5.33Ta0.67B2O10 is quasi–low dimensional due to NiO6/TaO6 octahedra forming two dimensional infinite layers. The antiferromagnetic/ferrimagnetic phase transition was observed at TN = 165 K. The negative exchange bias effect was found in the 30–90 K temperature range, whereas the positive exchange bias effect was observed at temperatures below 30 K. We assume that the exchange bias effect is due to different types of magnetic ordering of Ni2+ magnetic moments in two layers.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian State University of Science and Technologies, Krasnoyarsk, 660014, Russian Federation

Доп.точки доступа:
Sofronova, S. N.; Софронова, Светлана Николаевна; Kazak, N. V.; Казак, Наталья Валерьевна; Eremin, E. V.; Еремин, Евгений Владимирович; Moshkina, E. M.; Мошкина, Евгения Михайловна; Chernyshov, A. V.; Чернышов, Артем Валерьевич; Bovina, A. F.; Бовина, Ася Федоровна
}
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    Study of surface anisotropy of the interface of two-layer DyCo/FeNi Films by the spin-wave resonance method / S. V. Stolyar, V. Y. Yakovchuk, I. G. Vazhenina, R. S. Iskhakov // J. Supercond. Nov. Magn. - 2021. - Vol. 34, Is. 11. - P. 2969-2975, DOI 10.1007/s10948-021-06001-x. - Cited References: 29. - The research was funded by RFBR, Krasnoyarsk Territory, and Krasnoyarsk Regional Fund of Science, project number 20-42-240010 . - ISSN 1557-1939. - ISSN 1557-1947
   Перевод заглавия: Изучение поверхностной анизотропии интерфейса в двухслойных пленках DyCo/FeNi методом спин-волнового резонанса

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
UNIDIRECTIONAL ANISOTROPY
FERROMAGNETIC-RESONANCE
MAGNETIC-FILMS
Кл.слова (ненормированные):
Surface anisotropy constant -- Spin-wave resonance -- Thin magnetic films -- Exchange-bias effect
Аннотация: Two-layer DyCo/FeNi films were studied by the spin-wave resonance method. The experimental microwave frequency absorption spectra of the two-layer DyCo/FeNi films demonstrate the bulk and surface peaks of the exchange spin modes. The dependence of the surface condition type formed at the interface on the composition of the hard-magnetic layer (before and after the compensation point) was found. The values of the surface anisotropy constant and the type of magnetization pinning at each surface of the FeNi layer were estimated.

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

Доп.точки доступа:
Stolyar, S. V.; Yakovchuk, V. Yu.; Яковчук, Виктор Юрьевич; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; RFBRRussian Foundation for Basic Research (RFBR); Krasnoyarsk Territory; Krasnoyarsk Regional Fund of Science [20-42-240010]
}
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General regularities and differences in the behavior of the dynamic magnetization switching of ferrimagnetic (CoFe2O4) and antiferromagnetic (NiO) nanoparticles / S. I. Popkov, A. A. Krasikov, S. V. Semenov [et al.] // Phys. Solid State. - 2020. - Vol. 62, Is. 9. - P. 1518-1524, DOI 10.1134/S1063783420090255. - Cited References: 46. - This work was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk region, and the Krasnoyarsk Regional Foundation for Science, project no. 18-42-240012: "Magnetization switching of magnetic nanoparticles in strong pulsed magnetic fields is a new approach to studying the dynamic effects related to the processes of magnetization of magnetic nanoparticles" . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
PARTICLE-SIZE
   EXCHANGE-BIAS
   TEMPERATURE
   STATE
   COERCIVITY
Кл.слова (ненормированные):
CoFe2O4nanoparticles -- antiferromagnetic NiO nanoparticles -- dynamic magnetization switching -- coercive force
Аннотация: In antiferromagnetic (AFM) nanoparticles, an additional ferromagnetic phase forms and leads to the appearance in AFM nanoparticles of a noncompensated magnetic moment and the magnetic properties typical of common FM nanoparticles. In this work, to reveal the regularities and differences of the dynamic magnetization switching in FM and AFM nanoparticles, the typical representatives of such materials are studied: CoFe2O4 and NiO nanoparticles with average sizes 6 and 8 nm, respectively. The high fields of the irreversible behavior of the magnetizations of these samples determine the necessity of using strong pulsed fields (amplitude to 130 kOe) to eliminate the effect of the partial hysteresis loop when studying the dynamic magnetic hysteresis. For both types of the samples, coercive force HC at the dynamic magnetization switching is markedly higher than HC at quasi-static conditions. HC increases as the pulse duration τP decreases and the maximum applied field H0 increases. The dependence of HC on field variation rate dH/dt = H0/2τP is a unambiguous function for CoFe2O4 nanoparticles, and it is precisely such a behavior is expected from a system of single-domain FM nanoparticles. At the same time, for AFM NiO nanoparticles, the coercive force is no longer an unambiguous function of dH/dt, and the value of applied field H0 influences more substantially. Such a difference in the behaviors of FM and AFM nanoparticles is caused by the interaction of the FM subsystem and the AFM “core” inside AFM nanoparticles. This circumstance should be taken into account when developing the theory of dynamic hysteresis of the AFM nanoparticles and also to take into account their practical application.

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Публикация на русском языке Общие закономерности и различия в поведении динамического перемагничивания ферримагнитных (CoFe2O4) и антиферромагнитных (NiO) наночастиц [Текст] / С. И. Попков, А. А. Красиков, С. В. Семенов [и др.] // Физ. тверд. тела. - 2020. - Т. 62 Вып. 9. - С. 1354-1360

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Boreskov Inst Catalisis, Siberian Branch, Novosibirsk 630090, Russia.

Доп.точки доступа:
Popkov, S. I.; Попков, Сергей Иванович; Krasikov, A. A.; Красиков, Александр Александрович; Semenov, S. V.; Семёнов, Сергей Васильевич; Dubrovskii, A. A.; Дубровский, Андрей Александрович; Yakushkin, S. S.; Kirillov, V. L.; Mart'yanov, O. N.; Balaev, D. A.; Балаев, Дмитрий Александрович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of the Krasnoyarsk region; Krasnoyarsk Regional Foundation for Science [18-42-240012]
}
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Spin accumulation in the Fe3Si/n-Si epitaxial structure and related electric bias effect / A. S. Tarasov, A. V. Luk'yanenko, I. A. Bondarev [et al.] // Tech. Phys. Lett. - 2020. - Vol. 46, Is. 7. - P. 665-668, DOI 10.1134/S1063785020070135. - Cited References: 17. - This study was supported by the Russian Foundation for Basic Research, the Government of Krasnoyarsk krai, and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activities (project no. 18-42-243022), and a Grant of the Government of the Russian Federation for Creation of World Level Laboratories (agreement no. 075-15-2019-1886) . - ISSN 1063-7850. - ISSN 1090-6533

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

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

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

Доп.точки доступа:
Tarasov, A. S.; Тарасов, Антон Сергеевич; Luk'yanenko, A. V.; Лукьяненко, Анна Витальевна; Bondarev, I. A.; Бондарев, Илья Александрович; Yakovlev, I. A.; Яковлев, Иван Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Volkov, N. V.; Волков, Никита Валентинович; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk krai; Krasnoyarsk Territorial Foundation [18-42-243022]; Grant of the Government of the Russian Federation for Creation of World Level Laboratories [075-15-2019-1886]
}
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Features of relaxation of the remanent magnetization of antiferromagnetic nanoparticles by the example of ferrihydrite / D. A. Balaev, A. A. Krasikov, A. D. Balaev [et al.] // Phys. Solid State. - 2020. - Vol. 62, Is. 7. - P. 1172-1178, DOI 10.1134/S1063783420070033. - Cited References: 53 . - ISSN 1063-7834
Кл.слова (ненормированные):
antiferromagnetic nanoparticles -- ferrihydrite -- exchange bias -- magnetization relaxation
Аннотация: The relaxation of the remanent magnetization of antiferromagnetically ordered ferrihydrite nanoparticles at the exchange bias effect implemented in these systems has been investigated. The magnetization relaxation depends logarithmically on time, which is typical of the thermally activated hoppings of particle magnetic moments through the potential barriers caused by the magnetic anisotropy. The barrier energy obtained by processing of the remanent magnetization relaxation data under the field cooling conditions significantly exceeds the barrier energy under standard (zero field cooling) conditions. The observed difference points out the possibility of using the remanent magnetization relaxation to analyze the mechanisms responsible for the exchange bias effect in antiferromagnetic nanoparticles and measure the parameters of the exchange coupling of magnetic subsystems in such objects.

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Публикация на русском языке Особенности релаксации остаточной намагниченности антиферромагнитных наночастиц на примере ферригидрита [Текст] / Д. А. Балаев, А. А. Красиков, А. Д. Балаев [и др.] // Физ. тверд. тела. - 2020. - Т. 62 Вып. 7. - С. 1043-1049

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

Доп.точки доступа:
Balaev, D. A.; Балаев, Дмитрий Александрович; Krasikov, A. A.; Красиков, Александр Александрович; Balaev, A. D.; Балаев, Александр Дмитриевич; Stolyar, S. V.; Столяр, Сергей Викторович; Ladygina, V. P.; Iskhakov, R. S.; Исхаков, Рауф Садыкович
}
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10.

Temperature-dependent magnetization reversal in exchange bias NiFe/IrMn/NiFe structures / C. Gritsenko [et al.] // J. Magn. Magn. Mater. - 2019. - Vol. 482. - P. 370-375, DOI 10.1016/j.jmmm.2019.03.044. - Cited References: 55. - Ch. G. and M. G. acknowledge financial support by the Russian Foundation for Basic Research (RFBR grant. 17-32-50170). Ch. G. acknowledges the 5 top 100 Russian Academic Excellence Project at the Immanuel Kant Baltic Federal University. O.A.T. acknowledges support by the Grants-in-Aid for Scientific Research (Grant Nos. 17 K05511 and 17H05173) from MEXT, Japan, by the grant of the Center for Science and Innovation in Spintronics (Core Research Cluster), Tohoku University, by JSPS and RFBR under the Japan-Russian Research Cooperative Program. V.R. acknowledges the Ministry of Education and Science of the Russian Federation in the framework of government assignment 3.9002.2017/6.7. Electron microscopy examination was carried out at the Center for Collective Use of the Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences. We also thank Montserrat Rivas for helpful discussions. . - ISSN 0304-8853. - ISSN 1873-4766

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
COERCIVITY
   FILM
   ROUGHNESS
   THICKNESS
   HEADS
   IRMN
Кл.слова (ненормированные):
Magnetization reversal -- Exchange bias -- Permalloy
Аннотация: We demonstrate magnetization reversal features in NiFe/IrMn/NiFe thin-film structures with 40% and 75% relative content of Ni in Permalloy in the temperature range from 80 K to 300 K. The magnetization reversal sequence of the two ferromagnetic layers is found to depend on the type of NiFe alloy. In the samples with 75% relative content of Ni, the bottom ferromagnetic layer reverses prior to the top one. On the contrary, in the samples with 40% of Ni, the top ferromagnetic layer reverses prior to the bottom one. These tendencies of magnetization reversal are preserved in the entire range of temperatures. These distinctions can be explained by the morphological and structural differences of interfaces in the samples based on two types of Permalloy.

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Держатели документа:
Immanuel Kant Baltic Fed Univ, A Nevskogo 14, Kaliningrad 236041, Russia.
Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Leninskie Gory 1, Moscow 119991, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akad Gorodok 50-38, Krasnoyarsk 660036, Russia.
Natl Univ Sci & Technol MISiS, Leninsky Prospect 4, Moscow 119049, Russia.
Lomonosov Moscow State Univ, Fac Phys, Leninskie Gory 1-2, Moscow 119991, Russia.
Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.
Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan.
Tohoku Univ, Ctr Sci & Innovat Spintron, Sendai, Miyagi 9808577, Japan.

Доп.точки доступа:
Gritsenko, C.h.; Dzhun, I.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Gorshenkov, M.; Babaytsev, G.; Chechenin, N.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Tretiakov, Oleg A.; Rodionova, V.; Russian Foundation for Basic Research (RFBR) [17-32-50170]; MEXT, Japan [17 K05511, 17H05173]; Center for Science and Innovation in Spintronics (Core Research Cluster), Tohoku University; JSPS; RFBR under the Japan-Russian Research Cooperative Program; Ministry of Education and Science of the Russian Federation [3.9002.2017/6.7]
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