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ALD stripline resonator and bandpass filters for VHF and UHF bands / B. Belyaev, A. Serzhantov, Y. Balva [et al.] // 2021 IEEE MTT-S International Microwave Filter Workshop, IMFW 2021 : Institute of Electrical and Electronics Engineers, 2021. - 2021 IEEE MTT-S International Microwave Filter Workshop, IMFW 2021 (17 - 19 November 2021, Perugia, Italy) Conference code: 175723. - P. 65-68, DOI 10.1109/IMFW49589.2021.9642365. - Cited References: 15
Кл.слова (ненормированные):
stripline resonator -- quality factor -- bandpass filter -- atomic-layer deposition
Аннотация: It is shown that for an optimal substrate thickness ALD technology will be promising for IF bandpass filter designing. A two-conductor stripline ALD resonator with central frequency 200 MHz will have Q-factor 53 with total length 3.7 mm (0.0025λg) and the frequency separation of the first and the second oscillation modes up to 59. Two bandpass filters for VHF and UHF designed and fabricated for commercial application display good agreement between the simulation and the experiment. A 3-pole bandpass filter with central frequency 255 MHz and lateral size 15.8×3.2 mm2 has stopband width 13.5f0 , and a 6-pole bandpass filter with central frequency 1250 MHz and lateral size 4.4×5.1 mm2 has stopband width 9.4f0.

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Держатели документа:
Kirensky Institute of Physics Sb Ras, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A.; Balva, Y. F.; Бальва, Ярослав Федорович; Galeev, R.; Lemberg, K.; Leksikov, An. A.; Лексиков, Андрей Александрович; IEEE MTT-S International Microwave Filter Workshop 2021(17 - 19 November 2021 ; Perugia, Italy)
}
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Allotropic modifications of cobalt upon chemical deposition / A. V. Chzhan, S. A. Podorozhnyak, V. K. Mal’tsev [et al.] // Phys. Solid State. - 2021. - Vol. 63, Is. 1. - P. 42-46, DOI 10.1134/S1063783421010054. - Cited References: 17. - This study was supported in part by the Russian Foundation for Basic Research, project no. 18-02-00161-a . - ISSN 1063-7834
Кл.слова (ненормированные):
Co–P thin magnetic films -- chemical deposition -- nuclear magnetic resonance -- allotropic modifications of Co
Аннотация: The effect of the solution acidity on the crystal structure of cobalt during its chemical deposition is reported. It has been shown using the structural and magnetic examination and nuclear magnetic resonance study that the change in the working solution acidity leads to deposition of cobalt with different allotropic modifications in the nearest environment: the hcp type in the small (up to ~8.5) pH region and the fcc type in the large (over ~8.5) pH region. The formation of these cobalt modifications is attributed to the size effects caused by a decrease in the particle size with increasing pH.

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Публикация на русском языке Аллотропные модификации кобальта при химическом осаждении [Текст] / А. В. Чжан, С. А. Подорожняк, В. К. Мальцев [и др.] // Физ. тверд. тела. - 2021. - Т. 63 Вып. 1. - С. 43-47

Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, 660049, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Chzhan, A. V.; Podorozhnyak, S. A.; Mal'tsev, V. K.; Мальцев, Вадим Константинович; Krayukhin, I. N.; Patrin, G. S.; Патрин, Геннадий Семёнович
}
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    Atomic layer deposition ZnO on porous Al2O3 nanofibers film / A. S. Voronin, A. N. Masiygin, M. S. Molokeev, S. V. Khartov // J. Phys. Conf. Ser. - 2020. - Vol. 1679, Is. 2. - Ст. 022072DOI 10.1088/1742-6596/1679/2/022072. - Cited References: 10. - Studies by scanning electron microscopy and X-ray powder diffraction were performed on the equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS». The transmission electron microscopy investigations were conducted in the SFU Joint Scientific Center supported by the State assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation
   Перевод заглавия: Нанесение атомного слоя ZnO на пленку из пористых нановолокон Al2O3
Кл.слова (ненормированные):
Alumina -- Aluminum oxide -- Atomic layer deposition -- Atoms -- Composite structures -- High resolution transmission electron microscopy -- II-VI semiconductors -- Nanofibers -- Oxide minerals -- Scanning electron microscopy
Аннотация: The paper presents the results of the formation and study of the morphological and structural characteristics of the mesoporous ZnO / Al2O3 nanofibers film (ZANF). The deposition of a ZnO layer on Al2O3 nanofibers film (ANF) ~ 1 µm thick was carried out by the method of atomic layer deposition. The morphology of the mesoporous composite layer ZnO / Al2O3 (ZANF) has been studied by scanning and transmission electron microscopy. It is shown that in the process of atomic layer deposition, the ZnO layer grows according to the Stranski-Krastanov mechanism. A ZnO layer less than 5 nm thick gives an island structure in which Al2O3 nanofibers are uniformly coated with ZnO particles, an increase in the ZnO layer thickness to 15 nm demonstrates a continuous coating of Al2O3 nanofibers. The system has a core-shell structure. The resulting composite structures are promising for applications in photocatalysis and gas sensing.

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Держатели документа:
Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences (KSC SB RAS), Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Reshetnev Siberian State University Science and Technology, Krasnoyarsk, 660037, Russian Federation
Kirensky Institute of Physics (FRC KSC SB RAS), Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Voronin, A. S.; Masiygin, A. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Khartov, S. V.; International Scientific Conference on Applied Physics, Information Technologies and Engineering(2nd ; 25 September - 4 October 2020 ; Krasnoyarsk, Russian Federation)
}
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Auger electron spectroscopy of thin Cr2GeC films / T. A. Andryushchenko, S. A. Lyaschenko, S. N. Varnakov [et al.] // Phys. Met. Metallogr. - 2023. - Vol. 124, Is. 14. - P. 1776-1782, DOI 10.1134/S0031918X2360135X. - Cited References: 33. - The research was supported by the Russian Science Foundation (grant no. 21-12-00226, http://rscf.ru/project/21-12-00226/) . - ISSN 0031-918X. - ISSN 1555-6190
Кл.слова (ненормированные):
МАХ phases -- chromium germanides -- epitaxial thin films -- Auger electron spectroscopy -- magnetron sputtering co-deposition
Аннотация: Auger electron spectroscopy was used to determine the phase composition of Cr2GeC MAX phase thin films. A distinctive feature of the formation of carbon-containing MAX phases is the shape of carbon Auger peaks, which is characteristic of metal carbides spectra. Features of the Auger spectra in the presence of secondary phases of chromium germanides are found. Their presence can manifest itself in an increase in the energy of the germanium peaks, which is caused by a chemical shift during the formation of the Cr–Ge bond. Moreover, we have detected the accumulation of electronic charge, which can be explained by the features of the surface morphology.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russia

Доп.точки доступа:
Andryushchenko, T. A.; Андрющенко, Татьяна Александровна; Lyashchenko, S. A.; Лященко, Сергей Александрович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Nemtsev, I. V.; Немцев, Иван Васильевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Shevtsov, D. V.; Шевцов, Дмитрий Валентинович; Maximova, O. A.; Максимова, Ольга Александровна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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    Bulk CoNiFe-SiB amorphous and nanostructured alloys produced by plasma spray deposition and dynamic compaction: formation of soft magnetic properties / E. A. Denisova // Phys. Procedia. - 2015. - Vol. 75. - P. 1238-1243, DOI 10.1016/j.phpro.2015.12.136. - Cited References: 9. - This work was supported by Russian Foundation of Basic Research 15-08-06673 and RFBR-KRFS 15-42-04171 . - ISSN 1875-3892
   Перевод заглавия: CoNiFe-SiB, полученные методами плазменного напыления и динамического компактирования: формирование магнитомягких свойств
Кл.слова (ненормированные):
bulk nanostructured materials -- dynamic compaction -- plasma spray deposition -- magnetic properties
Аннотация: The bulk nanostructured Co58Ni10Fe5B16Si11 alloys were prepared by dynamic compaction and plasma spray deposition techniques. The investigation of structure and magnetic properties of bulk samples was carried out by X-ray diffraction, electron microscopy and correlation magnetometry. The bulk samples produced by both methods can be characterized as a heterophase system. The highest value of permeability 20 · 103 for plasma spraying coating is achieved when volume fraction of nanocrystalline phase with Curie temperature Tc ∼ 640 K is increased to 30%. The magnetic characteristics, such as the saturation magnetization, the Bloch constant, the local magnetic anisotropy field, the ferromagnetic resonance linewidth, and the coercivity remain unchanged after both compaction techniques. It was shown that the plasma spraying method allows to obtain bulk magnetically soft materials with magnetic parameters that are not inferior to the characteristics of a thermally treated rapidly quenched ribbon with the same composition.

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Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Kuzovnikova, L. A.; Кузовникова, Людмила Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kuzovnikov, A.; Lepeshev, A. A.; Nemtsev, I. V.; Немцев, Иван Васильевич; Saunin, V. N.; Telegin, S. V.; Bondarenko, G. N.; Mal'tsev, V. K.; Мальцев, Вадим Константинович; International Conference on Magnetism(20 ; 2015 ; Jul ; 5-10 ; Barselona, Spain)
}
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    Bulk CoNiFe-SiB amorphous and nanostructured alloys produced by plasma spray deposition and dynamic compaction: formation of soft magnetic properties / E. A. Denisova [et al.] // 20th Int. Conf. on Magnetism (ICM-2015) : book of abstracts. - 2015. - Ст. TU.H-P55
   Перевод заглавия: Объемные аморфные и наноструктурированные сплавы CoNiFe-SiB, полученные плазменным напылением и динамическим компактированием: формирование магнитомягких свойств.

Материалы конференции

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Kuzovnikova, L. A.; Кузовникова, Людмила Александровна; Kuzovnikov, A. A.; Кузовников А. А.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Lepeshev, A. A.; Лепешев, Анатолий Александрович; Nemtsev, I. V.; Немцев, Иван Васильевич; Saunin, V. N.; Telegin, S. V.; International Conference on Magnetism(20 ; 2015 ; Jul ; 5-10 ; Barselona, Spain)
}
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    Ca6La4(SiO4)2(PO4)4O2:Eu2+: a novel apatite green-emitting phosphor for near-ultraviolet excited w-LEDs / Y. F. Xia [et al.] // J. Mater. Chem. C. - 2016. - Vol. 4, Is. 21. - P. 4675-4683, DOI 10.1039/c6tc01418f. - Cited References:37. - This study was sponsored by the National Natural Science Foundation of China (Grant No. 51472223), the Program for New Century Excellent Talents in University of Ministry of Education of China (Grant No. NCET-12-0951) and the Fundamental Research Funds for the Central Universities (Grant No. 2652015020 and Grant No. 2652015008). . - ISSN 2050-7526. - ISSN 2050-7534
   Перевод заглавия: Ca6La4(SiO4)2(PO4)4O2:Eu2+: Новый зеленый люминофор со структурой апатита для белых люминесцентных ламп (w-LED), облучающихся ультрафиолетом

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
SOLID-SOLUTION PHOSPHORS
   PULSED-LASER DEPOSITION
   HIGH THERMAL-STABILITY
   WHITE-LIGHT
   LUMINESCENCE PROPERTIES
   ENERGY-TRANSFER
   SINGLE-PHASE
   CRYSTAL-STRUCTURE
   RED LUMINESCENCE
   EPITAXIAL-GROWTH
Аннотация: A novel apatite phosphor Ca6La4(SiO4)2(PO4)4O2:Eu2+ was prepared by conventional high-temperature solid-state reaction. Phase purity was examined by XRD and XPS analysis. The crystal structure information, such as space group, cell parameters and atomic coordinates, were refined by the Rietveld method, revealing that Eu2+ occupied the sites of Ca2+ ions. Moreover, low-temperature experiments, including low-temperature PL spectra and low-temperature decay curve, were used to prove the existence of two luminescence centers in Ca6La4(SiO4)2(PO4)4O2:Eu2+. With the increase in doping concentration of Eu2+, the emission wavelength shows a red shift from 498 nm to 510 nm, which is mainly caused by the increase in crystal-field splitting by Eu2+. The optimized concentration of Eu2+ was confirmed to be 0.01, the Rc was calculated to be 20.09 Å and the energy transfer between Eu2+ was demonstrated to be by exchange interaction. Moreover, good thermal stability has been proved by a temperature-dependence experiment; it shows that the phosphor can maintain 55% of emitting intensity at 150 °C compared to that at room temperature. Finally, the Ca6La4(SiO4)2(PO4)4O2:Eu2+ phosphor was fabricated with commercial red (CaAlSiN3:Eu2+) and blue (BAM:Eu2+) phosphor coating on a n-UV chip. This proves that this green phosphor has the potential to be used in a w-LED lamp.

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Держатели документа:
China Univ Geosci, Beijing Key Lab Mat Utilizat Nonmetall Minerals &, Sch Mat Sci & Technol, Natl Lab Mineral Mat, Beijing 100083, Peoples R China.
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Xia, Y. F.; Liu, Y. G.; Huang, Z. H.; Fang, M. H.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Mei, L. F.
}
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Cobalt-based bulk nanostructured materials prepared via the dynamic compacting of core–shell composite particles / E. A. Denisova [et al.] // Bull. Russ. Acad. Sci. Phys. - 2016. - Vol. 80, Is. 11. - P. 1377-1380, DOI 10.3103/S1062873816110198. - Cited References: 12. - This work was supported by the Russian Foundation for Basic Research, project nos. 15-08-06673, 16-03-00969, and RFBR and KRFS 15-42-04171. . - ISSN 1062-8738
Кл.слова (ненормированные):
Composite materials -- Bulk nanostructured materials -- Chemical deposition -- Cobalt-based -- Composite particles -- Dynamic compaction -- Magnetic characteristic -- Nano-structured -- Structural and magnetic characteristics -- Powders
Аннотация: Bulk nanostructured Co–P/Cu and Al2O3/Co–P composites are fabricated via dynamic compaction. The initial core–shell particles are synthesized by means of chemical deposition. Structural and magnetic characteristics of the composites are investigated. It is shown that the use of composite particles allows homogeneous compacts with the structure and magnetic characteristics of initial powders to be obtained. © 2016, Allerton Press, Inc.

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Публикация на русском языке Объемные наноструктурированные материалы на основе кобальта, полученные динамическим компактированием композиционных частиц “ядро–оболочка” [Текст] / Е. А. Денисова [и др.] // Изв. РАН. Сер. физич. - 2016. - Т. 80 № 11. - С. 1555-1558

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk Institute of Railway Engineering, Krasnoyarsk, Russian Federation
ZAO Pulsed Technologies, Krasnoyarsk, Russian Federation
Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Kuzovnikova, L. A.; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kuzovnikov, A. A.; Nemtsev, I. V.; Mal'tsev, V. K.; Мальцев, Вадим Константинович
}
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Coercivity and exchange bias in magnetic sandwich structure prepared by chemical deposition / A. V. Chzhan [et al.] // Solid State Phenomena : Selected, peer reviewed papers. - 2012. - Vol. 190: Magnetism and Magnetic Materials V : Selected, Peer Reviewed Papers. - P. 463-465, DOI 10.4028/www.scientific.net/SSP.190.463. - Cited References: 5 . - ISSN 1662-9779. - ISSN 978-30378

РУБ Materials Science, Multidisciplinary + Physics, Multidisciplinary

Кл.слова (ненормированные):
sandwich structure -- exchange bias -- coercivity -- magnetization reversal
Аннотация: Exchange bias and coercivity of the hysteresis loop of a low-coercive layer in magnetic three-layered structure prepared by chemical deposition are studied. It is established that the coercive force in the films obtained nonmonotonically changed with the low-coercive layer thickness. The specificity of magnetization reversal of exchange-biased layers is analyzed.

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Доп.точки доступа:
Perov, N. \ed.\; Rodionova, V. \ed.\; Chzhan, A. V.; Чжан, Анатолий Владимирович; Patrin, G. S.; Патрин, Геннадий Семёнович; Kiparisov, S. Ya.; Кипарисов, Семен Яковлевич; Seredkin, V. A.; Середкин, Виталий Александрович; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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10.

Chzhan, A. V.
Coercivity of amorphous Co-P single-layer and trilayer films fabricated by chemical deposition / A. V. Chzhan, S. Y. Kiparisov, G. S. Patrin // Solid State Phenom. : Selected, peer reviewed papers. - 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P. 150-153, DOI 10.4028/www.scientific.net/SSP.215.150. - Cited References: 8 . - ISSN 978-30383. - ISSN 1662-9779
Кл.слова (ненормированные):
Chemical deposition -- Coercive force -- Isotropic and anisotropic films -- Trilayer films
Аннотация: Coercivity of amorphous Co-P single-layer and trilayer films fabricated by chemical deposition has been investigated. It has been established that the thickness dependences of the coercivity for isotropic and anisotropic films are different. Data on the coercivity variation with a nonmagnetic spacer thickness and a number of magnetic layers in the trilayer films are reported. The results obtained are analyzed with regard to the features of the induced anisotropy in amorphous ferromagnetic films and the magnetic coupling between magnetic layers in sandwich structures.© (2014) Trans Tech Publications, Switzerland.

Доп.точки доступа:
Ovchinnikov, S. G. \ed.\; Овчинников, Сергей Геннадьевич; Samardak, A. \ed.\; Kiparisov, S. Y.; Кипарисов, Семен Яковлевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Чжан, Анатолий Владимирович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; sept. ; 15-21 ; Vladivostok)
}
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11.

Chzhan, A. V.
Coercivity of amorphous Co-P single-layer and trilayer films fabricated by chemical deposition [Текст] / A. V. Chzhan, S. Ya. Kiparisov, G. S. Patrin // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - P168 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Kiparisov, S. Ya.; Кипарисов, Семен Яковлевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Чжан, Анатолий Владимирович; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
}
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12.

    Colloidal and deposited products of the interaction of tetrachloroauric acid with hydrogen selenide and hydrogen sulfide in aqueous solutions / S. Vorobyev [et al.] // Minerals. - 2018. - Vol. 8, Is. 11. - Ст. 492, DOI 10.3390/min8110492. - Cited References: 63. - This research was funded by the Siberian Branch of the Russian Academy of sciences, Program of Interdisciplinary Studies, grant number 64 (project 303). . - ISSN 2075-163X
   Перевод заглавия: Коллоидные и осажденные продукты взаимодействия золотохлористоводородной кислоты с селеноводородом и сероводородом в водных растворах
Кл.слова (ненормированные):
Gold selenide -- Gold sulfoselenide -- Colloids -- Nanoparticles -- Nucleation -- Liquid intermediates -- Deposition
Аннотация: The reactions of aqueous gold complexes with H2Se and H2S are important for transportation and deposition of gold in nature and for synthesis of AuSe-based nanomaterials but are scantily understood. Here, we explored species formed at different proportions of HAuCl4, H2Se and H2S at room temperature using in situ UV-vis spectroscopy, dynamic light scattering (DLS), zeta-potential measurement and ex situ Transmission electron microscopy (TEM), electron diffraction, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Metal gold colloids arose at the molar ratios H2Se(H2S)/HAuCl4 less than 2. At higher ratios, pre-nucleation “dense liquid” species having the hydrodynamic diameter of 20–40 nm, zeta potential −40 mV to −50 mV, and the indirect band gap less than 1 eV derived from the UV-vis spectra grow into submicrometer droplets over several hours, followed by fractional nucleation in the interior and coagulation of disordered gold chalcogenide. XPS found only one Au+ site (Au 4f7/2 at 85.4 eV) in deposited AuSe, surface layers of which partially decomposed yielding Au0 nanoparticles capped with elemental selenium. The liquid species became less dense, the gap approached 2 eV, and gold chalcogenide destabilized towards the decomposition with increasing H2S content. Therefore, the reactions proceed via the non-classical mechanism involving “dense droplets” of supersaturated solution and produce AuSe1−xSx/Au nanocomposites.

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Держатели документа:
Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Electron Microscopy Laboratory, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Vorobyev, S.; Likhatski, M.; Romanchenko, A.; Maksimov, N.; Zharkov, S. M.; Жарков, Сергей Михайлович; Krylov, A. S.; Крылов, Александр Сергеевич; Mikhlin, Y.
}
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13.

Comparison of the microstructure and magnetic properties of films and composite powders based on 3-D metal / L. A. Chekanova, N. A. Shepeta, E. A. Denisova [et al.] // J. Supercond. Novel Magn. - 2022. - Vol. 35, Is. 11. - P. 3241-3247, DOI 10.1007/s10948-022-06339-w. - Cited References: 19. - This work was funded by the Russian Foundation for Basic Research, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science, project number 20–43-240003 . - ISSN 1557-1939
Кл.слова (ненормированные):
Composition modulated materials -- Multilayer films -- Composite powders -- Anisotropy field -- Coercivity -- Electroless deposition
Аннотация: The comparison between the magnetic properties of materials with different curvature and spatial distribution of nanograins, such as particles (3D spatial distribution) and multilayer films (2D) was carried out. Functionally graded Co(P)/Ni(P) and Co(P)/CoNi(P) specimens have been fabricated by electroless deposition. The magnetic and structural properties are characterized by electron microscopy, X-ray diffraction, ferromagnetic resonance spectroscopy, and vibrating sample magnetometer. It was demonstrated that the interaction between the Ni(P) core and Co(P) shell of particles could form the functionally graded materials with tailored structure and coercive force. Furthermore, it was found that the magnetic parameters (the local anisotropy field, ferromagnetic resonance linewidth, and coercivity) are mainly determined by the artificially created interface boundaries for all grains’ spatial distribution. The magnetic anisotropy field and coercivity of Co(P)/Ni(P) flat films were characterized by lower values than those for spherical shell of particles with the same composition, produced by the same method.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation
Krasnoyarsk Railway Transport Institute, Branch of Irkutsk State Transport University, Krasnoyarsk, Russian Federation
Federal Research Center “Krasnoyarsk Science Center, Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chekanova, L. A.; Чеканова, Лидия Александровна; Shepeta, N. A.; Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Kuzovnikova, L. A.; Nemtsev, I. V.; Немцев, Иван Васильевич
}
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14.

Belyaev, B. A.
Competing magnetic anisotropies in obliquely deposited thin permalloy film / B. A. Belyaev, A. V. Izotov, P. N. Solovev // Physica B. - 2016. - Vol. 481. - P. 86-90, DOI 10.1016/j.physb.2015.10.036. - Cited References: 31. - This study was supported by the Ministry of Education and Science of the Russian Federation, task no. 3.528.2014K . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
FERROMAGNETIC-RESONANCE
MICROMAGNETIC CALCULATION
Кл.слова (ненормированные):
Thin film -- Magnetic anisotropy -- Oblique deposition -- Ferromagnetic resonance -- Micromagnetic simulation
Аннотация: Distribution of the magnetic anisotropy in thin film prepared by thermal vacuum oblique deposition of permalloy with small off-normal angle of incident in the presence of an external magnetic field has been studied by ferromagnetic resonance technique. On local area of the sample, a mutual compensation of near orthogonal in-plane uniaxial magnetic anisotropies induced by oblique deposition and by applied magnetic field has been found. Moreover, in addition to the uniaxial (twofold) magnetic anisotropy, fourfold and sixfold magnetic anisotropies have been observed in the sample. To explain the obtained high-order anisotropies, we assumed that the sample has exchange coupled adjacent regions or phases with different parameters of magnetic anisotropy. The results of the micromagnetic analysis of a two-layer model of the sample confirm the hypothesis. © 2015 Elsevier B.V. All rights reserved.

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Держатели документа:
Siberian Federal University, 79, pr. Svobodnyi, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, 50/38, Akademgorodok, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, 31, pr. Imeni Gazety Krasnoyarskii Rabochii, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Izotov, A. V.; Изотов, Андрей Викторович; Solovev, P. N.; Беляев, Борис Афанасьевич
}
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15.

    Core-shell and Bi-segmented cobalt-nickel nanorods prepared by electroless deposition / E. A. Denisova, L. A. Chekanova, S. V. Komogortsev [et al.] // IEEE International Magnetics Virtual Conference (INTERMAG'21) : Digest book. - 2021. - P. 1342. - Cited References: 2. - This work was funded by the RFBR, the Government of the Krasnoyarsk Territory, the KRFS (project no. 20-43-240003)
   Перевод заглавия: Бисегментированные и ядро-оболочка наностержни Co-Ni , полученные методом химического осаждения

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Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Nemtsev, I. V.; Немцев, Иван Васильевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Tkachev, V. V.; Plotnikov, V. S.; Dolgopolova, M. V.; IEEE International Magnetics Conference(2021 ; Apr. 26-30 ; Lion, France (Virtual))
}
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16.

Core-shell and bi-segmented cobalt-nickel nanorods prepared by electroless deposition / E. A. Denisova, L. A. Chekanova, S. V. Komogortsev [et al.] // IEEE Trans. Magn. - 2022. - Vol. 58, Is. 2. - Ст. 2300805, DOI 10.1109/TMAG.2021.3098747. - Cited References: 27. - This work was funded by RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science, project number 20-43-240003. The authors thank the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center“ Krasnoyarsk Science Center SB RAS” for the provided equipment . - ISSN 0018-9464
Кл.слова (ненормированные):
bi-segmented Co-Ni rods -- core-shell rods -- magnetic properties -- electroless deposition
Аннотация: A porous polymer loaded with segmented nanorods of magnetic metal is very promising for the design of novel microwave devices. Arrays of bi-segmented Ni/Co and core-shell Ni@Co rods were prepared by electroless deposition into porous of polycarbonate track etched membrane. An intrinsic effective magnetic field of the magnetic composite nanorods aligned in the nonmagnetic template was studied by magnetization curves and ferromagnetic resonance. The effect of the interface boundaries for two types of bi-segmented rods with coaxial and along-axis Co/Ni segmentation to effective field was established.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation.
Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation.
Far Eastern Federal University, Vladivostok, 690950, Russian Federation.

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Chekanova, L. A.; Чеканова, Лидия Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Rautsky, M. V.; Рауцкий, Михаил Владимирович; Nemtsev, I. V.; Немцев, Иван Васильевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Plotnikov, V. S.; Tkachev, V. V.; Li, O. A.; Dolgopolova, M. V.
}
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17.

Crystal texture-dependent magnetic and magnetotransport properties of half-metallic Fe3O4 films grown on oxidized Si substrates by reactive deposition / V. V. Balashev [et al.] // J. Alloys Compd. - 2020. - Vol. 815. - Ст. 152398, DOI 10.1016/j.jallcom.2019.152398. - Cited References: 58. - his work is supported in part by the Russian Ministry of Science and Higher Education under the state tasks ( 3.5178.2017/8.9 and 3.4956.2017 ), by Act 211 of the Government of the Russian Federation (contract No. 02.A03.21.0011 ) and by the Comprehensive Program of Basic Research of the Far Eastern Branch of the Russian Academy of Sciences “Far East” 2018–2020 № 18-3-022 ( 0226-18-0031 ). . - ISSN 0925-8388
Кл.слова (ненормированные):
Magnetite -- Crystal texture -- Reactive deposition -- Magnetoresistance -- Magnetic saturation -- FORC
Аннотация: Nanocrystalline magnetite (Fe3O4) films with various preferred crystallite orientations were grown on oxidized silicon surface by reactive iron deposition in an oxygen atmosphere. Depending on the partial pressure of oxygen (PO2), the evolution of the structural, magnetic, and magnetotransport properties of the grown films was investigated. We found that the growth of films containing only the Fe3O4 phase occurs in a certain PO2 range, and the magnetite crystallites may have (311) or (110) preferred orientation. It was revealed that films with (311) and (110) textures have a column structure. An increase in the PO2 leads to a structure transformation from (311) to (110) texture with larger crystallites. A film with (110) texture showed higher values of saturation magnetization, magnetoresistance and spin polarization. The analysis of approach to magnetic saturation revealed that the local magnetic anisotropy of crystallites in textured films is much higher than the anisotropy of bulk magnetite due to the large surface contribution. The FORC diagram method in combination with the approach to magnetic saturation proved the existence of the exchange coupling between large and small grains. Our results open the reliable route for crystal texture-depending manipulation of functional properties of thin magnetite films for advanced spintronic applications.

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Держатели документа:
School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russian Federation
Institute of Automation and Control Processes, FEB RAS, Vladivostok, Russian Federation
Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
National Research South Ural State University, Chelyabinsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Balashev, V. V.; Ermakov, K. S.; Samardak, A. Y.; Ognev, A. V.; Samardak, A. S.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Tarasov, A. S.; Тарасов, Антон Сергеевич; Korobtsov, V. V.
}
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18.

Effect of alkali reagents on the crystal structure of chemically deposited CoP films / A. V. Chzhan [et al.] // Bull. Russ. Acad. Sci. Phys. - 2016. - Vol. 80, Is. 6. - P. 692-694, DOI 10.3103/S1062873816060095. - Cited References: 5. - This work was supported in part by the Russian Foundation for Basic Research, project no. 14-02-00238a. . - ISSN 1062-8738
Кл.слова (ненормированные):
Ammonium hydroxide -- Amorphous phase -- Chemical deposition -- Co-P films -- Hexagonal phase -- Hydrogen carbonates -- Low concentrations -- Crystal structure
Аннотация: The effect alkali reagents have on the crystal structure of CoP films prepared via chemical deposition is investigated. It is shown that the use of sodium hydrogen carbonate and ammonium hydroxide in low concentrations leads to growth of the hexagonal phase in the films. As the concentration of alkali reagents is increased, the formation of a cubic or amorphous phase is observed. © 2016, Allerton Press, Inc.

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Публикация на русском языке Влияние щелочных реагентов на кристаллическую структуру пленок СоР, полученных химическим осаждением [Текст] / А. В. Чжан [и др.] // Изв. РАН. Сер. физич. - 2016. - Т. 80 № 6. - С. 762

Держатели документа:
Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Chzhan, A. V.; Чжан, Анатолий Владимирович; Patrusheva, T. N.; Патрушева, Тамара Николаевна; Podorozhnyak, S. A.; Seredkin, V. A.; Середкин, Виталий Александрович; Bondarenko, G. N.; Бондаренко, Галина Николаевна
}
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19.

Effect of crystal size on the crystalline structure and magnetic properties of cobalt films obtained via chemical deposition / A. V. Chzhan, S. A. Podorozhnyak, S. A. Gromilov [et al.] // Bull. Russ. Acad. Sci. Phys. - 2022. - Vol. 86, Is. 5. - P. 614-617, DOI 10.3103/S1062873822050045. - Cited References: 18 . - ISSN 1062-8738
Кл.слова (ненормированные):
Anisotropy -- Crystal structure -- Crystals -- Deposition -- Magnetic field effects -- Anisotropic property -- Chemical deposition -- Co-P films -- Cobalt film -- Crystal-size -- Face-centred cubic -- Hexagonal close packed -- Induced anisotropy -- Sizes effect
Аннотация: A study is performed of the relationship between the sizes of cobalt crystallites and the coercive and anisotropic properties of Co–P films obtained via chemical deposition. The emergence of induced anisotropy in films obtained at low pH (7.2–8.7) is due to size effects that transform the cobalt’s crystal lattice from face-centered cubic to hexagonal close-packed as the film grows in a magnetic field.

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Публикация на русском языке Влияние размерных эффектов на кристаллическую структуру и магнитные свойства кобальтовых пленок, полученных химическим осаждением [Текст] / А. В. Чжан, С. А. Подорожняк, С. А. Громилов [и др.] // Изв. РАН. Сер. физич. - 2022. - Т. 86. № 5. - С. 730-734

Держатели документа:
Krasnoyarsk State Agrarian University, Krasnoyarsk, 660049, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Irkutsk State Transport University, Krasnoyarsk, 660028, Russian Federation

Доп.точки доступа:
Chzhan, A. V.; Podorozhnyak, S. A.; Gromilov, S. A.; Patrin, G. S.; Патрин, Геннадий Семёнович; Moroz, J. M.
}
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20.

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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