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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Киренский, Леонид Васильевич, Суханова Р. В., Пынько, Виталий Григорьевич
Заглавие : Несквозная доменная структура в тонких пленках пермаллоя
Место публикации : Физ. металлов и металловед. - 1966. - Т. 21, вып. 2. - С. 308-310
Примечания : Библиогр.: 4 назв. - Phys. Abstr. - 1966. - Vol. 69, 24530
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Беляев, Борис Афанасьевич, Лексиков, Александр Александрович, Лексиков, Андрей Александрович, Борисенков Д. В.
Заглавие : Исследование магнитных свойств тонких пермаллоевых пленок, осажденных на подложки, подготовленные по методу графоэпитаксии
Место публикации : Изв. вузов. Физика. - 2013. - Т. 56, № 8/2. - С. 227-229
Примечания : Работа выполнена при финансовой поддержке ФЦП «Научные и научно-педагогические кадры инновационной 2009−2013 гг.» и гранта РФФИ № 12-02-12008
Ключевые слова (''Своб.индексиров.''): магнитная пленка--графоэпитаксия--ферромагнитный резонанс--анизотропия--thin magnetic film--graphoepitaxy--ferromagnetic resonance--magnetic anisotropy--saturation magnetization
Аннотация: Методом локального ФМР исследовано влияние подготовки подложек по методу графоэпитаксии на величину и направление поля одноосной магнитной анизотропии, эффективную намагниченность и ширину линии ФМР тонких пермаллоевых пленок. При подготовке подложек на их поверхность наносились царапины с периодом 5 и 20 мкм. Показано, что такая подготовка оказывает существенное влияние на вышеуказанные свойства.An influence of preparing substrates according the graphoepitaxy method on the magnitude and direction of uniaxial magnetic anisotropy, effective magnetization and FMR linewidth is studied. The preparation of substrate consists of covering the surface by scratches of nanometer width with periods 5 and 20 micrometers. It is shown, the preparation influences on the above mentioned properties significantly.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Соловьев, Платон Николаевич, Беляев, Борис Афанасьевич, Скоморохов, Георгий Витальевич
Заглавие : Измерение магнитных характеристик тонких пленок пермаллоя методом ферромагнитного резонанса на различных частотах
Коллективы : Байкальская международная конференция "Магнитные материалы. Новые технологии", "Магнитные материалы. Новые технологии", Байкальская международная конференция, "Magnetic materials. New tecnologies", Baikal International Conference, Иркутский государственный университет
Место публикации : Магнитные материалы. Новые технологии: тез. докл. VIII Байкал. междунар. конф. BICMM-2018/ чл. прогр. ком. R. S. Iskhakov [et al.]. - Иркутск, 2018. - С. 185. - ISBN 978-5-00133-051-6
РИНЦ,
Материалы конференции,
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gritsenko, C.h., Dzhun I., Volochaev M. N., Gorshenkov M., Babaytsev G., Chechenin N., Sokolov A. Е., Tretiakov, Oleg A., Rodionova V.
Заглавие : Temperature-dependent magnetization reversal in exchange bias NiFe/IrMn/NiFe structures
Коллективы : 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]
Место публикации : J. Magn. Magn. Mater. - 2019. - Vol. 482. - P.370-375. - ISSN 0304-8853, DOI 10.1016/j.jmmm.2019.03.044. - ISSN 1873-4766(eISSN)
Примечания : 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.
Предметные рубрики: COERCIVITY
FILM
ROUGHNESS
THICKNESS
HEADS
IRMN
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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Izotov A. V., Belyaev B. A., Boev N. M., Burmitskikh A. V., Leksikov An. A., Skomorokhov G. V., Solovev P. N.
Заглавие : Tailoring the microwave properties of thin permalloy films using a periodically grooved substrate
Коллективы : Ministry of Science and Higher Education of the Russian Federation [075-11-2019054]
Место публикации : Physica B. - 2022. - Vol. 629. - Ст.413654. - ISSN 0921-4526, DOI 10.1016/j.physb.2021.413654. - ISSN 1873-2135(eISSN)
Примечания : Cited References: 50. - This work was supported by the Ministry of Science and Higher Education of the Russian Federation, agreement number 075-11-2019054 dated November 22, 2019
Предметные рубрики: FERROMAGNETIC-RESONANCE
MAGNETIC-PROPERTIES
ANISOTROPY
FREQUENCY
Аннотация: Thin magnetic films with periodic surface topography are of special interest for microwave applications as their static and dynamic magnetic characteristics can be readily adjusted. In this paper, we explore the capabilities of a simple method for producing large-area periodically patterned films by creating regularly spaced grooves on a substrate using a diamond cutter. For 110-nm-thick films, it was found that the substrate-topography-induced magnetic anisotropy was inversely proportional to the pattern period, which in experimental samples varied from 5 to 20 mu m. Based on the Netzelmann theory, analytical expressions for demagnetization tensor components were obtained, which accord well with the experimental data. The measurements of the natural ferromagnetic resonance spectra demonstrated that the increase of the topography-induced magnetic anisotropy with the decrease of the pattern period led to the increase of the resonance frequency from 0.65 to 1.86 GHz, and to a decrease of the linewidth and effective damping parameter.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Svalov A. V., Gorkovenko A. N., Larranaga A., Volochaev M. N., Kurlyandskaya G. V.
Заглавие : Structural and magnetic properties of FeNi films and FeNi-based trilayers with out-of-plane magnetization component
Место публикации : Sensors. - 2022. - Vol. 22, Is. 21. - Ст.8357. - ISSN 14248220 (ISSN), DOI 10.3390/s22218357
Примечания : Cited References: 50. - This research was funded by the Russian Science Foundation (RSF), project no. 22-29-00980, https://rscf.ru/en/project/22-29-00980/ and in part by the Research Groups of the UPV-EHU
Аннотация: FeNi films of different thickness and FeNi/(Fe, Co)/FeNi trilayers were prepared by magnetron sputtering deposition onto glass substrates. The permalloy films had a columnar microstructure. The detailed analysis of the magnetic properties based on the magnetic and magneto-optical measurements showed that at thicknesses exceeding a certain critical thickness, hysteresis loops acquire a specific shape and the coercive force of the films increase sharply. The possibility of the estimation of the perpendicular magnetic anisotropy constant using the Murayama equation for the thickness dependence of saturation field was demonstrated. The results of studies of the structural and magnetic properties of FeNi films laminated by Fe and Co spacers with different thickness are presented.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Izotov A. V., Solovev P. N., Boev N. M.
Заглавие : Strain-gradient-induced unidirectional magnetic anisotropy in nanocrystalline thin permalloy films
Место публикации : Phys. Status Solidi RRL. - 2020. - Vol. 14, Is. 1. - Ст.1900467. - ISSN 1862-6254 (ISSN), DOI 10.1002/pssr.201900467. - ISSN 1862-6270 (eISSN)
Примечания : Cited References: 35. - This work was supported by the Ministry of Education and Science of the Russian Federation, project no. RFMEFI60417X0179.
Аннотация: Herein, the effect of inhomogeneous elastic deformation on the magnetic anisotropy of Ni71.5Fe28.5 wt% nanocrystalline films is investigated. The in‐plane controlled strains are induced in the film by bending of a glass substrate which has a thickness step in the middle. Ferromagnetic resonance measurements reveal the existence of in‐plane unidirectional magnetic anisotropy. The anisotropy behavior directly correlates with the calculated strain gradients. It is shown that this correlation is well explained by the flexomagnetic effect, which establishes the relation between the magnetization and the inhomogeneous strains. The experimental value of the flexomagnetic coefficient for the thin Ni71.5Fe28.5 wt% film is 1.5 × 10−3 T m.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Solovev P. N., Afonin A. O., Belyaev B. A., Boev N. M., Govorun I. V., Izotov A. V., Ugryumov A. V., Leksikov An. A.
Заглавие : Second harmonic generation in thin permalloy film
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [19-72-10047]
Место публикации : J. Phys. D. - 2021. - Vol. 54, Is. 42. - Ст.425002. - ISSN 0022-3727, DOI 10.1088/1361-6463/ac1762. - ISSN 1361-6463(eISSN)
Примечания : Cited References: 43. - This work was supported by the Russian Science Foundation under Grant No. 19-72-10047. The equipment of the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center 'Krasnoyarsk Science Center SB RAS' was used during the measurement
Предметные рубрики: FERROMAGNETIC-RESONANCE
MAGNETIZATION DYNAMICS
HARMONIC-GENERATION
FERRITES
Аннотация: Second harmonic generation versus strength and direction of the applied static magnetic field was measured for a thin permalloy (Ni80Fe20) film in a microstrip line at a driving frequency of 1 GHz and maximum input power of ~110 mW. The measurements revealed two peaks in the double frequency signal—in the low static field (~10 Oe) and the high one (~45 Oe). To explain these findings, a macrospin model of a thin magnetic film with in-plane uniaxial magnetic anisotropy was considered. A perturbation expansion of the Landau–Lifshitz–Gilbert equation provided an explanation of the experimental data. The analysis of the model revealed that the low-field peak was caused by the longitudinal second-order magnetization component and the high-field peak by the transversal one. It was also shown that the uniaxial magnetic anisotropy of the film and the dependence of the magnetic damping parameter on the applied field play an important role in the process of the second harmonic generation. The results obtained give insights into some peculiarities of the nonlinear magnetization dynamics that are important in the development of magnetic film-based devices in the field of microwave signal processing and manipulation.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Solovev P. N., Afonin A. O., Belyaev B. A., Boev N. M., Govorun I. V., Izotov A. V., Ugrymov A. V., Leksikov An. A.
Заглавие : Second harmonic generation as a probe of parametric spin wave instability processes in thin magnetic films
Место публикации : Phys. Rev. B. - 2022. - Vol. 106, Is. 6. - Ст.064406. - ISSN 24699950 (ISSN), DOI 10.1103/PhysRevB.106.064406
Примечания : Cited References: 33. - This work was supported by the Russian Science Foundation under Grant No. 19-72-10047. The equipment of the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS” was used during the measurements
Аннотация: We have explored the dynamic response of in-plane magnetized thin permalloy films excited by microwave fields of high amplitudes (up to 3 Oe) at 1 GHz. The response was detected using a microstrip line by measuring the second harmonic signal generated by the dynamic components of the uniform magnetization. The data measured at ferromagnetic resonance showed the threshold effect of the Suhl parametric instability process. With the increase of the microwave power above the threshold value, the dynamic response revealed an intricate nonlinear behavior, including the emergence of an additional threshold. This second threshold can be explained in terms of the "stage by stage"process of parametric spin wave excitation following the S theory of Zakharov, L'vov, and Starobinets.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kononov V. P., Khudyakov A. E., Morozova T. P., Chernov V. K., Piskunov O. N., Zhigalov V. S., Bondarenko G. V., Edel'man I. S., Ovchinnikov S. G.
Заглавие : Permalloy-copper-permalloy sandwiches with perpendicular anisotropy axes in the magnetic layers
Место публикации : Tech. Phys.: AMER INST PHYSICS, 1997. - Vol. 42, Is. 11. - P1281-1284. - ISSN 1063-7842, DOI 10.1134/1.1258907
Примечания : Cited References: 9
Предметные рубрики: CO/CU/CO SANDWICHES
Аннотация: Layerd FeNi-Cu-FeNi structures with a mutually perpendicular orientation of the easy axes in the FeNi layers are fabricated in ultrahigh vacuum, and the physical properties of these structures are investigated: ferromagnetic resonance, quasistatic magnetization reversal, and the Faraday rotation of the plane of polarization of a light wave. (C) 1997 American Institute of Physics. [S1063-7842(97)00811-8].
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