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Magnetic properties of FeNi/Cu-based lithographic rectangular multilayered elements for magnetoimpedance applications / G. Yu. Melnikov, I. G. Vazhenina, R. S. Iskhakov [et al.] // Sensors. - 2023. - Vol. 23, Is. 13. - Ст. 6165, DOI 10.3390/s23136165. - Cited References: 72. - This research was funded by the Russian Science Foundation (RSF), project no. 22-29-00980, https://rscf.ru/project/22-29-00980/ (accessed on 1 July 2023). - Authors acknowledge the possibility to use the Krasnoyarsk Regional Center of Research Equipment of the Federal Research Center “Krasnoyarsk Science Center SB RAS” for ferromagnetic resonance studies. We thank A.A. Yuvchenko and V.N. Lepalovskij for special support. The authors wish to thank the anonymous referees for their comments and suggestions . - ISSN 1424-8220
Кл.слова (ненормированные):
magnetic multilayers -- permalloy -- magnetic properties -- ferromagnetic resonance -- spin-wave resonance -- magnetoimpedance -- magnetic field sensors
Аннотация: The rectangular elements in magnetoimpedance (MI) configuration with a specific nanocomposite laminated structure based on FeNi and Cu layers were prepared by lift-off lithographic process. The properties of such elements are controlled by their shape, the anisotropy induced during the deposition, and by effects associated with the composite structure. The characterizations of static and dynamic properties, including MI measurements, show that these elements are promising for sensor applications. We have shown that competition between the shape anisotropy and the in-plane induced anisotropy of the element material is worth taking into account in order to understand the magnetic behavior of multilayered rectangular stripes. A possibility of the dynamic methods (ferromagnetic and spin-wave resonance) to describe laminated planar elements having a non-periodic modulation of both structure and magnetic parameters of a system is demonstrated. We show that the multilayered structure, which was originally designed to prevent the development of a “transcritical” state in magnetic layers and to reach the required thickness, also induces the effects that hinder the achievement of the goal, namely an increase in the perpendicular magnetic anisotropy energy.

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Держатели документа:
Institute of Natural Sciences and Mathematics, Ural Federal University, 620002 Ekaterinburg, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
School of Space and Information Technology, Siberian Federal University, 660041 Krasnoyarsk, Russia
Applied Physics Department, Reshetnev Siberian State University of Science and Technology, 660037 Krasnoyarsk, Russia

Доп.точки доступа:
Melnikov, Grigory Yu.; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Boev, N. M.; Боев, Никита Михайлович; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Svalov, Andrey V.; Kurlyandskaya, Galina V.
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    Influence of interface anisotropy on ferromagnetic resonance in CoP/(NiP)am/CoP films / G. S. Patrin, Y. G. Shiyan, A. V. Chzhan, S. A. Podorozhnyak // Mater. Res. Express. - 2021. - Vol. 8, Is. 5. - Ст. 056102, DOI 10.1088/2053-1591/abfcf5. - Cited References: 22. - This work was supported by the State order of the Ministry of Science and Higher Education of the Russian Federation (topic No. FSRZ-2020-0011) . - ISSN 2053-1591
   Перевод заглавия: Влияние интерфейсной анизотропии на ферромагнитный резонанс в пленках CoP/(NiP)am/CoP

РУБ Materials Science, Multidisciplinary
Рубрики:
MAGNETIC-ANISOTROPY
MULTILAYERS
Кл.слова (ненормированные):
multilayer films -- magnetic resonance -- interface anisotropy
Аннотация: The paper presents the results of ferromagnetic resonance studies of three-layer magnetic films, where the magnetic layers are amorphous magnetically soft CoP layers, and the intermediate non-magnetic spacer is amorphous NiP layer. We found that, regardless of the nonmagnetic layer thickness, the interlayer interaction is ferromagnetic. Perpendicular anisotropy forms at the interface between the CoP and NiP layers. It is reasonable to suppose that the interlayer interaction is long-range, what is not typical for systems with metallic non-magnetic spacers.

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Держатели документа:
Siberian Fed Univ, Svobodny Pr 79, Krasnoyarsk 660041, Russia.
RAS, LV Kirensky Phys Inst, Fed Res Ctr, KSC,SB, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
Krasnoyarsk State Agr Univ, Mira Pr 90, Krasnoyarsk 660049, Russia.

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Chzhan, A. V.; Podorozhnyak, S. A.; State order of the Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0011]
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Magnetoresistive effect in the cobalt-doped bismuth ferrite films / O. B. Romanova, S. S. Aplesnin, M. N. Sitnikov [et al.] // J. Mater. Sci.: Mater. Electron. - 2020. - Vol. 31, Is. 10. - P. 7946-7952, DOI 10.1007/s10854-020-03333-7. - Cited References: 39 . - ISSN 0957-4522. - ISSN 1573-482X

РУБ Engineering, Electrical & Electronic + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
BIFEO3 THIN-FILMS
   ELECTRICAL-PROPERTIES
   COFE/CU MULTILAYERS
   GIANT MAGNETORESISTANCE
Аннотация: Bismuth ferrite films have been synthesized by the burst-mode deposition of the BiFe0.8Co0.2O3 solid solutions onto object glasses. The surface morphology of the BiFe0.8Co0.2O3 films has been examined. The effect of electron doping implemented by substitution of cobalt for iron in the BiFe0.8Co0.2O3 films on their magnetic, electrical, and galvanomagnetic properties has been investigated at temperatures of 77-600 K in magnetic fields of up to 12 kOe. The negative magnetoresistance has been observed, which changes its sign in the region of formation of magnetically heterogeneous states and attain its maximum value above room temperature. It has been established that the magnetoresistance is caused by the competition of electron hoppings and localization of electrons in a magnetic field. Using the Hall measurements, the carrier type has been determined. A model of the change in the curriers sign upon heating due to the shift of the chemical potential relative to the impurity subband has been proposed.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Univ Sci & Technol, Krasnoyarsk 660014, Russia.
Natl Acad Sci Belarus, Sci Pract Mat Res Ctr, Minsk 220072, BELARUS.

Доп.точки доступа:
Romanova, O. B.; Романова, Оксана Борисовна; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Sitnikov, M. N.; Udod, L. V.; Удод, Любовь Викторовна; Begisheva, O. B.; Demidenko, O. F.
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    Microwave giant magnetoresistance and ferromagnetic and spin-wave resonances in (CoFe)/Cu nanostructures / V. V. Ustinov, A. B. Rinkevich, I. G. Vazhenina, M. A. Milyaev // J. Exp. Theor. Phys. - 2020. - Vol. 131, Is. 1. - P. 139-148, DOI 10.1134/S1063776120070171. - Cited References: 51. - This work was performed in terms of project Spin no. AAAA-A18-118020290104-2 and project Function no. AAAA-A19-119012990095-0. Section 3 was supported by the Russian Science Foundation, project no. 17-1201002 . - ISSN 1063-7761. - ISSN 1090-6509
Рубрики:
COFE/CU SUPERLATTICES
   MAGNETIC MULTILAYERS
   CO/CU MULTILAYERS
   FILMS
Аннотация: The microwave phenomena that occur in magnetic multilayer (CoFe)/Cu nanostructures, which have a giant magnetoresistance, are studied. The transmission of waves through a nanostructure is used to investigate the microwave giant magnetoresistance effect. The changes in the transmission coefficient at frequencies of 29–38 GHz are found to exceed the relative magnetoresistance, which distinguishes the system under study from the nanostructures studied earlier. Ferromagnetic and spin-wave resonances are used to study the angular dependences of the microwave absorption spectra of a multilayer (CoFe/Cu)n nanostructure. The following parameters are determined: the critical angle that determines the boundaries of the ranges of excitation of uniform and nonuniform spin modes, the type of boundary conditions describing the pinning of spins on the outer nanostructure surfaces, and the surface anisotropy and exchange interaction constants.

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Публикация на русском языке Микроволновой гигантский магниторезистивный эффект, ферромагнитный и спин-волновой резонансы в наноструктурах (CoFe)/Cu [Текст] / В. В. Устинов, А. Б. Ринкевич, И. Г. Важенина, М. А. Миляев // Журн. эксперим. и теор. физ. - 2020. - Т. 158 Вып. 1. - С. 139-150

Держатели документа:
Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620108, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Ustinov, V. V.; Rinkevich, A. B.; Vazhenina, I. G.; Важенина, Ирина Георгиевна; Milyaev, M. A.; Russian Science FoundationRussian Science Foundation (RSF) [AAAA-A18-118020290104-2, AAAA-A19-119012990095-0]; [17-1201002]
}
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Effect of Heat Treatment on the Stability of Nanosized (Co40Fe40B20)34(SiO2)66/ZnO/In2O3 Multilayers / I. V. Babkina, M. N. Volochaev, O. V. Zhilova [et al.] // Bull. Russ. Acad. Sci. Phys. - 2020. - Vol. 84, Is. 9. - P. 1100-1103, DOI 10.3103/S1062873820090051. - Cited References: 11. - This work was supported by the RF Ministry of Science and Higher Education as part of State Task no. FZGM-2020-0007 . - ISSN 1062-8738
Кл.слова (ненормированные):
After-heat treatment -- Binary alloys -- Film preparation -- II-VI semiconductors -- Ion beams -- Magnetic semiconductors -- Multilayers -- Oxide minerals -- Semiconducting indium compounds -- Semiconducting silicon compounds -- Semiconducting zinc compounds -- Silica -- Silicon -- Sputtering -- Wide band gap semiconductors -- Zinc oxide
Аннотация: An investigation is performed of the thermal stability and phase transformations of thin-film heterogeneous [(Co40Fe40B20)34(SiO2)66/ZnO/In2O3]85 multilayers obtained via ion beam sputtering. The system contains 85 layers, each consisting of a (Co40Fe40B20)34(SiO2)66 composite layer and ZnO and In2O3 semiconductor spacers. The sample structure in the initial state and after heat treatment is studied by means of X-ray diffraction. It is shown that the samples are stable at temperatures of up to 500°С. Zn2SiO4, InBO3, CoFe, and In2O3 phases form during annealing.

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Публикация на русском языке Влияние термообработки на стабильность наноразмерных многослойных структур (Co40Fe40B20)34(SiO2)66/ZnO/In2O3 [Текст] / И. В. Бабкина, М. Н. Волочаев, О. В. Жилова [и др.] // Изв. РАН. Сер. физич. - 2020. - Т. 84 № 9. - С. 1293-1296

Держатели документа:
Voronezh State Technical University, Voronezh, 394026, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Babkina, I. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Zhilova, O. V.; Kalinin, Y. E.; Kashirin, M. A.; Sitnikov, A. V.; Chehonadskih, M. V.; Yanchenko, L. I.
}
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Structure and Electrical Properties of (ZnO/SiO2)25 Thin Films / M. N. Volochaev [et al.] // Semiconductors. - 2019. - Vol. 53, Is. 11. - P. 1465-1471, DOI 10.1134/S106378261911023X. - Cited References: 16. - This study was carried out in the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation, project no. 3.1867.2017/4.6. . - ISSN 1063-7826. - ISSN 1090-6479

РУБ Physics, Condensed Matter
Рубрики:
HETEROSTRUCTURES
Кл.слова (ненормированные):
thin films -- multilayers -- oxide semiconductors -- hopping conductivity -- thermal stability
Аннотация: (ZnO/SiO2)25 thin-film multilayers consisting of nanocrystalline ZnO layers and amorphous SiO2 spacers with a bilayer thickness from 6 to 10 nm are synthesized in a single deposition process. An analysis of the temperature dependences of the electrical resistivity of (ZnO/SiO2)25 thin films shows that, in the temperature range of 77–300 K, the dominant conductivity mechanism successively changes from hopping conductivity with a variable hopping length in a narrow energy band near the Fermi level at temperatures of 77–250 K to thermally activated impurity conductivity around room temperature. Using the obtained temperature dependences of the electrical resistivity, the effective density of localized states at the Fermi level and the activation energy of impurity levels are estimated. The effect of heat treatment on the structure and electrical properties of the synthesized films is examined. It is established that in (ZnO/SiO2)25 thin-film systems at temperatures of 580–600°C, the ZnO and SiO2 layers chemically interact, which is accompanied by destruction of the multilayer structure and formation of the Zn2SiO4 compound with a tetragonal structure (sp. gr. I-42d).

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Публикация на русском языке

Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk, Russia.
Voronezh State Tech Univ, Voronezh 394026, Russia.

Доп.точки доступа:
Volochaev, M. N.; Волочаев, Михаил Николаевич; Kalinin, Yu E.; Kashirin, M. A.; Makagonov, V. A.; Pankov, S. Yu; Bassarab, V. V.; Ministry of Science and Higher Education of the Russian Federation [3.1867.2017/4.6]
}
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    Magnetic and resonance properties of exchange spring multilayers [(CoP)soft/NiP/(CoP)hard]n / Ya. G. Shiyan [et al.] // J. Phys. Conf. Ser. - 2019. - Vol. 1389, Is. 1. - Ст. 012018, DOI 10.1088/1742-6596/1389/1/012018. - Cited References: 13 . - ISSN 1742-6588. - ISSN 1742-6596
   Перевод заглавия: Магнитные и резонансные свойства многослойных обменных пружин [(CoP)soft/NiP/(CoP)hard]n
Аннотация: The magnetic resonance properties of [(CoP)soft/NiP/(CoP)hard/NiP]n exchange-spring multilayer films with a thickness of a nonmagnetic layer 4 nm have been experimentally studied in comparison to data for 2 nm thickness. A noncollinear three-sublattice magnetic structure assumed to be realized similar to the case of 2 nm NiF-layer thickness. The increase in the number of blocks n in the multilayer structure leads to the appearance of the third absorption peak, however, its intensity tends to zero at n → 20.

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Держатели документа:
Siberian Federal University, prospect Svobodny, 79, Krasnoyarsk, 660041, Russia
L.V. Kirensky Institute of Physics, FRC KSC, Siberian Division, Russian Academy of Science, Krasnoyarsk, 660036, Russia

Доп.точки доступа:
Shiyan, Ya. G.; Шиян, Ярослав Германович; Patrin, G. S.; Патрин, Геннадий Семёнович; Patrin, K. G.; Furdyk, V. P.; Фурдык В. П.; Euro-Asian Symposium "Trends in MAGnetism"(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg)
}
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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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Stress-wave change in the copper structure: Covering magnetic response / N. A. Shepeta [et al.] // IOP Conf. Ser.: Mater. Sci. Eng. - 2019. - Vol. 560: 13th International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2018 (12 December 2018 through 14 December 2018, ) Conference code: 149903, Is. 1. - Ст. 012158, DOI 10.1088/1757-899X/560/1/012158. - Cited References: 15
Кл.слова (ненормированные):
Copper -- Deformation -- Elastic waves -- Flight control systems -- Magnetism -- Multilayer films -- Multilayers -- Wavefronts
Аннотация: The work presents the results of the investigationof deformation processes occurring in copper after stress-wave influence. Structural changes analysis is carried out by direct research methods (X-ray phase analysis and optical microscopy) along and perpendicular to the spreading direction of the stress wave front in the copper foil plane. For more information, investigations have been conducted by an indirect method using ferromagnetic resonance of magnetic characteristics. As a magnetic covering, Co/Ni-type multilayer films are deposited on the copper foil, which makes it possible to apply magnetic research methods. The magnetic response of the multilayer covering correlates with the modification of the copper structure observed by direct methods. The information obtained in the course of research allows us to conclude that the wave character of the deformation processes occurring in copper is natural. The value and direction of structural modifications vary along the sample length as a function with a long-wave period is about 30 mm, which is consistent with the inhomogeneous distribution model of internal stresses. Throughout the sample length, alternating areas of stretching and compression of copper grains are fixed along the spreading direction of the stress wave front. The greatest stretching of the structural elements is observed at a distance equal to almost half the wavelength of the mechanical deformation field. Thus, the translational (shear) mode of the mechanical field of material plastic flow appears as the results of the investigation. © 2019 Published under licence by IOP Publishing Ltd.

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Держатели документа:
Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 50/38, Academgorodok Str., Krasnoyarsk, 660036, Russian Federation
Institute for Energy Research, Safety Research and Reactor Technology, Forschungszentrum Julich GmbH, Julich, D-52425, Germany
Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarsky Rabochy Ave., Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Shepeta, N. A.; Denisova, E. A.; Денисова, Елена Александровна; Bucaemskii, A. A.; Tynchenko, V. S.; Gorodov, A. A.; International Conference on Mechanical Engineering, Automation and Control Systems(13 ; 2008 ; 12 - 14 Dec. ; Novosibirsk)
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10.

    Magnetic and resonance properties of exchange spring multilayers [(CoP)soft/NiP/(CoP)hard]n / Ya. G. Shiyan, G. S. Patrin, K. G. Patrin, V. P. Furdyk // Euro-asian symposium "Trends in magnetism" (EASTMAG-2019) : Book of abstracts / чл. конс. ком.: S. G. Ovchinnikov, N. V. Volkov [et al.] ; чл. прогр. ком. D. M. Dzebisashvili [et al.]. - 2019. - Vol. 1. - Ст. C.P34. - P. 324-325. - Cited References: 7. - This research was supported by the Russian Foundation for Basic Research (grant no. 18-02-00161-a) . - ISBN 978-5-9500855-7-4
   Перевод заглавия: Магнитные и резонансные свойства многослойных магнитных пружин [(CoP)soft/NiP/(CoP)hard]n

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia

Доп.точки доступа:
Ovchinnikov, S. G. \чл. конс. ком.\; Овчинников, Сергей Геннадьевич; Volkov, N. V. \чл. конс. ком.\; Волков, Никита Валентинович; Dzebisashvili, D. M. \чл. прогр. ком.\; Дзебисашвили, Дмитрий Михайлович; Shiyan, Ya. G.; Шиян, Ярослав Германович; Patrin, G. S.; Патрин, Геннадий Семёнович; Patrin, K. G.; Furdyk, V. P.; Российская академия наук; Уральское отделение РАН; Институт физики металлов им. М. Н. Михеева Уральского отделения РАН; Уральский федеральный университет им. первого Президента России Б.Н. Ельцина; Российский фонд фундаментальных исследований; Euro-Asian Symposium "Trends in MAGnetism"(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(7 ; 2019 ; Sept. ; 8-13 ; Ekaterinburg)
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