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Altunin, R. R.
Effect of the structural properties on the electrical resistivity of the Al/Ag thin films during the solid-state reaction / R. R. Altunin, E. T. Moiseenko, S. M. Zharkov // Phys. Solid State. - 2020. - Vol. 62, Is. 4. - P. 708-713, DOI 10.1134/S1063783420040034. - Cited References: 43. - This study was supported by the Russian Science Foundation, project no. 18-13-00080. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
LIGHT-EMITTING-DIODES
   PHASE-FORMATION
   AG
   AL
   DIFFUSION
   SUPPRESSION
   INTERFACE
   SURFACE
   GROWTH
   HEAT
Кл.слова (ненормированные):
thin films -- phase formation -- Al/Ag -- solid-state reaction; -- electron diffraction -- resistivity
Аннотация: Based on the results of in situ electron diffraction study of the solid-state reaction and electrical resistivity measurements on the Al/Ag thin films with an atomic ratio of Al : Ag = 1 : 3, the temperature of the reaction onset has been established and a model of the structural phase transitions has been proposed. The solid-state reaction begins at 70°C with the formation of the Al–Ag solid solution at the interface between the aluminum and silver nanolayers. It has been found that, in the course of the reaction, the intermetallic compounds γ-Ag2Al → μ-Ag3Al are successively formed. It is shown that the possibility of the formation of the μ‑Ag3Al phase during the solid-state reaction in the Al/Ag thin films depends on the aluminum-to-silver ratio, while the formation of the μ-Ag3Al phase begins only after all fcc aluminum has reacted.

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Публикация на русском языке Алтунин Р. Р. Влияние структурных свойств на электросопротивление тонких пленок Al/Ag в процессе твердофазной реакции [Текст] / Р. Р. Алтунин, Е. Т. Моисеенко, С. М. Жарков // Физ. тверд. тела. - 2020. - Т. 62 Вып. 4. - С. 621-626

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

Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Russian Science FoundationRussian Science Foundation (RSF) [18-13-00080]
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Altunin, R. R.
In situ electron microscopy investigations of solid-state synthesis in Al/Au thin bilayer films / R. R. Altunin, S. M. Zharkov // Bull. Russ. Acad. Sci.: Phys. - 2013. - Vol. 77, Is. 8. - P. 1004-1007DOI 10.3103/S1062873813080042
Аннотация: In situ transmission electron microscopy investigations of solid-state synthesis in Al/Au thin bilayer films are conducted. The samples are heated in the column of a transmission electron microscope. The heating temperature is changed from room temperature to 300°C with a heating rate of up to 120°C min−1. It is found that solid-phase synthesis starts at ≈100°C. At 140 ± 5°C, two crystal phases, Al2Au (Fm3m) and AlAu2 (I4/mmm), are simultaneously observed, while at 235 ± 5°C and higher (up to 300°C) only Al2Au phase is detected.

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Электронно-микроскопические in situ исследования процессов твердофазного синтеза в тонких двухслойных пленках Al/Au. - [S. l. : s. n.]

Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Алтунин, Роман Русланович
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Altunin, R. R.
Structural phase transformations during a solid-state reaction in a bilayer Al/Fe thin-film nanosystem / R. R. Altunin, E. T. Moiseenko, S. M. Zharkov // Phys. Solid State. - 2020. - Vol. 62, Is. 1. - P. 200-205, DOI 10.1134/S1063783420010059. - Cited References: 36. - This study was supported by the Russian Foundation for Basic Research, project no. 18-03-01173a . - ISSN 1063-7834
Кл.слова (ненормированные):
thin films -- Al/Fe -- solid-state reaction -- phase formation -- electron diffraction
Аннотация: The processes of phase formation during a solid-state reaction between Fe and Al nanolayers have been investigated by the in situ electron diffraction method. It is established that the solid-state reaction at the interface between iron and aluminum nanolayers begins at ≈100°C with the formation of a disordered Al solid solution in α-Fe. It is shown that intermetallic phases (FeAl6 and/or Fe2Al5, FeAl, and Fe3Al) are successively formed upon further heating.

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Публикация на русском языке Алтунин Р. Р. Структурные фазовые превращения при твердофазной реакции в двухслойной тонкопленочной наносистеме Al/Fe [Текст] / Р. Р. Алтунин, Е. Т. Моисеенко, С. М. Жарков // Физ. тверд. тела. - 2020. - Т. 62 Вып. 1. - С. 158-163

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

Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович
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Altunin, R. R.
Structural phase transformations in Al/Pt bilayer thin films during the solid-state reaction / R. R. Altunin, E. T. Moiseenko, S. M. Zharkov // Phys. Solid State. - 2018. - Vol. 60, Is. 7. - P. 1413-1418, DOI 10.1134/S106378341807003X. - Cited References: 26. - This study was supported by the Russian Foundation for Basic Research, project no. 16-33-00475 mol_a. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
AL
   SYSTEM
   MULTILAYERS
   ALUMINUM
   HEAT
Аннотация: A sequence of phases forming during the solid-phase reaction in Al/Pt bilayer thin films has been investigated by in situ electron diffraction. It is shown that the amorphous PtAl2 phase forms first during the solid-phase reaction initiated by heating. Upon further heating, PtAl2, Pt2Al3, PtAl, and Pt3Al crystalline phases sequentially form, which is qualitatively consistent with an effective formation heat model. The content of phases forming during the reaction has been quantitatively analyzed and the structural phase transformations have been examined.

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Публикация на русском языке Алтунин, Роман Русланович. Структурные фазовые превращения при твердофазной реакции в тонких двухслойных пленках Al/Pt [Текст] / Р. Р. Алтунин, Е. Т. Моисеенко, С. М. Жарков // Физ. тверд. тела. - 2018. - Т. 60 Вып. 7. - С. 1397–1402

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

Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Russian Foundation for Basic Research [16-33-00475 mol_a]
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Correction to: Peculiarities of intermetallic phase formation in the process of a solid state reaction in (Al/Cu)n multilayer thin films (vol 73, pg 580, 2021) / E. T. Moiseenko, S. M. Zharkov, R. R. Altunin [et al.] // JOM. - 2021. - Vol. 73, Is. 6. - P. 1988, DOI 10.1007/s11837-021-04633-x. - Cited References: 1 . - ISSN 1047-4838. - ISSN 1543-1851

РУБ Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering + Mineralogy + Mining & Mineral Processing

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Держатели документа:
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, Inst Chem & Chem Technol, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarskij Rabochij 31, Krasnoyarsk 660037, Russia.
Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Belousov, O. V.; Solovyov, L. A.; Yumashev, V. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Zeer, G. M.
}
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Effect of surfactants on the structure, phase composition, and magnetic properties of FexSy nanoparticles synthesized by thermal decomposition / R. D. Ivantsov, C.-R. Lin, Y.-Z. Chen [et al.] // Nanobiotechnol. Rep. - 2022. - Vol. 17, Is. 3. - P. 336-344, DOI 10.1134/S2635167622030089. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research with Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science, the research project no. 19-42-240005: “Features of the Electronic Structure, Magnetic Properties, and Optical Excitations in Nanocrystals of Multifunctional Magnetic Chalcogenides Fe3S4 and FeSe” and the Russian Foundation for Basic Research and the Ministry of Science and Technology of Taiwan, joint projects nos. 19-52-52002 and 109-2112-M-153-003 and 108-2923-M-153-001-MY3. - The electron-microscopy study was carried out at the Laboratory of Electron Microscopy of the Center for Collective Use of the Siberian Federal University within the state assignment of the Ministry of Science and Higher Education of the Russian Federation (research code FSRZ-2020-0011). The magnetic measurements were carried out on a vibrating sample magnetometer at the Krasnoyarsk Regional Center for Collective Use, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences . - ISSN 2635-1676
Кл.слова (ненормированные):
Agglomeration -- Crystal impurities -- Fourier transform infrared spectroscopy -- High resolution transmission electron microscopy -- Magnetic properties -- Magnetite -- Magnetization -- Nanomagnetics -- Sulfur compounds -- Synthesis (chemical) -- Thermogravimetric analysis -- Thermolysis -- Electron diffraction analysis -- Greigites -- Hexadecylamine -- Inverse spinel structures -- Iron sulfide -- Isostructural -- Octadecyl amine -- Organic shells -- Structures phase -- Synthesised -- Surface active agents
Аннотация: The effect of surfactants on the structure, morphology, and magnetic properties of FexSy iron-sulfide nanoparticles synthesized by thermal decomposition is studied. Oleylamine, hexadecylamine, and octadecylamine are used as surfactants. It is established by X-ray and electron-diffraction analysis combined with Mossbauer spectroscopy that, in samples 1 and 2 prepared using oleylamine and hexadecylamine, respectively, the Fe3S4 greigite phase dominates, with an inverse spinel structure isostructural to the iron oxide Fe3O4 magnetite with minor Fe9S11 impurities. Deviations in the distribution of iron cations over the tetrahedral and octahedral sites relative to the bulk greigite crystals are observed. The nanoparticles synthesized using octadecylamine (sample 3) are found to be multiphase with a greigite fraction of ~20%. In all three cases, as showed the results of transmission electron microscopy and Fourier transform infrared spectroscopy together with thermogravimetry analysis, the magnetic nanoparticles have an organic shell chemically bonded to their magnetic core, which prevents the agglomeration of the particles. This shell is much more massive in samples 2 and 3. The magnetization values for samples 1 and 2 are similar to those of greigite nanoparticles reported in publications, while the magnetization of sample 3 is several times lower, in accordance with the greigite fraction in it. The combination of fairly high magnetization with a massive organic shell allows one to consider hexadecylamine to be a promising surfactant for the synthesis of iron-sulfide nanoparticles protected from external impact and agglomeration.

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Публикация на русском языке Влияние ПАВ на структуру, фазовый состав и магнитные свойства наночастиц FexSy, полученных методом термического разложения [Текст] / Р. Д. Иванцов, Ч. Р. Лин, Ю. Ж. Чэнь [и др.] // Рос. нанотехнол. - 2022. - Т. 17 № 3. - С. 358-367

Держатели документа:
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Applied Physics, National Pingtung University, Pingtung City, 90003, Taiwan
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Lin, C. -R.; Chen, Y. -Z.; Ivanova, O. S.; Иванова, Оксана Станиславовна; Altunin, R. R.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Shestakov, N. P.; Шестаков, Николай Петрович; Sukhachev, A. L.; Сухачев, Александр Леонидович; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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    In situ transmission electron microscopy and electron diffraction investigation of solid-state reactions and atomic ordering in Cu/Au bilayer nanofilms / S. M. Zharkov [et al.] // J. Sib. Fed. Univ. Chem. - 2013. - Vol. 6, Is. 3. - P. 230-240 ; Журн. СФУ. Сер. "Химия"
   Перевод заглавия: In situ-исследования твердофазных реакций и атомного упорядочения в двухслойных нанопленках Cu/Au методами просвечивающей электронной микроскопии и дифракции электронов
Кл.слова (ненормированные):
Cu/Au nanofilm -- Intermetallics -- Solid state reaction -- Phase transition -- Atomic ordering -- Superstructure -- нанопленка Cu/Au -- интерметаллиды -- твердофазная реакция -- фазовый переход -- атомное упорядочение -- сверхструктура
Аннотация: Solid-state reaction processes and atomic ordering in Cu/Au bilayer nanofilms (with the atomic ratio Cu:Au≈50:50) have been studied in situ by the methods of transmission electron microscopy and electron diffraction in the process of heating from room temperature up to 700 ºС at a heating rate of 4-8 ºС/min. The solid-state reaction between the nanolayers of copper and gold has been established to begin at 180 ºС. The process of atomic ordering has been shown to start simultaneously with the process of the formation of the disordered phase of Cu50Au50 at 245 ºС. The formation processes of the ordered phases of: CuAuI (L10 superstructure) and CuAuII (long period superstructure) have been studied, as well as the phase transition processes: disorder - order (the transition of the disordered structure into the ordered one) and order - disorder (the transition of the ordered structure into the disordered one).
Методами просвечивающей электронной микроскопии и дифракции электронов проведены in situ-исследования процессов твердофазных реакций и атомного упорядочения в двухслойных нанопленках Cu/Au (с атомным соотношением Cu:Au≈50:50) при нагреве от комнатной температуры до 700 ºС при скорости нагрева 4-8 ºС/мин. Установлено, что твердофазная реакция между нанослоями меди и золота начинается при 180 ºС. Показано, что процесс атомного упорядочения начинается одновременно с процессом формирования неупорядоченной фазы Cu50Au50 при 245 ºС. Исследованы процессы формирования атомно-упорядоченных фаз: CuAuI (L10 сверхструктура) и CuAuII (длинно-периодическая сверхструктура), а также процессы фазовых переходов беспорядок-порядок (переход неупорядоченной структуры в атомно-упорядоченную) и порядок-беспорядок (переход атомно-упорядоченной структуры в неупорядоченную)

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Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Moiseenko, E. T.; Моисеенко, Евгений Тимофеевич; Altunin, R. R.; Алтунин, Роман Русланович; Zeer, G. M.

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In situ transmission electron microscopy and electron diffraction investigations of solid-state reactions in thin-film nanosystems [Текст] / S. M. Zharkov [et al.] // XII Int. symp. self-propagat. high temper. synth. (SHS-2013) : book of abstracts / org. com. I. N. Flerov [et al.] ; progr. com. V. I. Zinenko [et al.]. - 2013. - P. 203-204

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Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Алтунин, Роман Русланович; Moiseenko, E. T.; Моисеенко, Евгений Тимофеевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; International symposium on self-propagating high temperature synthesis (12 ; 2013 ; Oct. ; 21–24 ; South Padre Island, USA )
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In situ transmission electron microscopy investigations of solid-state synthesis in thin films / Zharkov, R. R. Altunin, Yu. G. Semenova [et al.] // XI Int. symp. self-propagat. high temp. synth. (SHS-2011) : book of abstracts. - 2011. - Ст. 4C-2. - P. 78-79 . - ISBN 978-5-6040595-4-8

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Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Semenova, Yu. G.; Moiseenko, E. T.; Varnakov, S. N.; Варнаков, Сергей Николаевич; International symposium on self-propagating high temperature synthesis(11 ; 2011 ; Sept. ; 5-10 ; Anavyssos, Attica, GREECE)
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10.

In situ электронно-микроскопические и электронографические исследования процессов твердофазных реакций в тонких плёнках / С. М. Жарков [и др.] ; , Институт кристаллографии им. А.В. Шубникова РАН // XXIV Российская конференция по электронной микроскопии (РКЭМ 2012) : тезисы докладов. - Черноголовка, 2012. - P. 144 . - ISBN 978-5-89589-060-8

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

Доп.точки доступа:
Жарков, Сергей Михайлович; Zharkov, S. M.; Алтунин, Роман Русланович; Altunin, R. R.; Моисеенко, Евгений Тимофеевич; Варнаков, Сергей Николаевич; Varnakov, S. N.; Институт проблем технологии микроэлектроники и особочистых материалов РАН; Институт кристаллографии им. А.В. Шубникова РАН; Российская конференция по электронной микроскопии (24 ; 2012 ; 29 мая-1 июня ; Черноголовка, Московская обл.)
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11.

    In-situ transmission electron microscopy and electron diffraction investigations of solid-state reactions in Fe3 Si(111)/Si(111) films / S. M. Zharkov [et al.] // Int. symp. on self-propagating high temperature synthesis (SNS XIII) : abstract book. - 2015. - Ст. 1139. - P. 81-82. - The work was partly supported by the Russian Foundation for Basic Research (grants №№ 13-02-01265a, 140300515a) and the Ministry of Education and Science of the Russian Federation (grant № 2014/71/1763 in the framework of the state assignment for Siberian Federal University for 2014-2016).
   Перевод заглавия: In situ исследования твердофазных реакций в пленках Fe3Si(111)/Si(111) методами просвечивающей электронной микроскопии и дифракции электронов

Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Алтунин, Роман Русланович; Moiseenko, E. T.; Моисеенко, Евгений Тимофеевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Tarasov, I. A.; Тарасов, Иван Анатольевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; International symposium on self-propagating high temperature synthesis(13 ; 2015 ; oct. ; 12-15 ; Antalya, Turkiye)
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12.

In-situ transmission electron microscopy and electron diffraction investigations of solid-state reactions in Fe3 Si(111)/Si(111) films / Sergey Zharkov, Roman Altunin [и др.] // Int. Symp. on Self-propag. High-Temp. Synth. SHS XIII : Oct. 12-15, 2015, Antalya / Türkiye. - 2015. - Ст. Abstract:1139. - P. 81. - The work was partly supported by the Russian Foundation for Basic Research (grants ## 13-02-01265a, 140300515a) and the Ministry of Education and Science of the Russian Federation (grant #2014/71/1763 in the framework of the state assignment for Siberian Federal University for 2014-2016)

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Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Алтунин, Роман Русланович; Moiseenko, E. T.; Моисеенко, Евгений Тимофеевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Tarasov, I. A.; Тарасов, Иван Анатольевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; International symposium on self-propagating high temperature synthesis(13 ; 2015 ; Oct. ; Antalya, Turkiye)
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13.

In-situ transmission electron microscopy ivestigation of solid-state reactions in Fe/Si multilayer nanofilms / S. M. Zharkov, R. R. Altunin, E. T. Moiseenko // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013 = EASTMag-2013. - P41 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Алтунин, Роман Русланович; Moiseenko, E. T.; Моисеенко, Евгений Тимофеевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
}
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14.

    Kinetic study of a solid-state reaction in Ag/Al multilayer thin films by in situ electron diffraction and simultaneous thermal analysis / S. M. Zharkov, R. R. Altunin, V. V. Yumashev [et al.] // J. Alloys Compd. - 2021. - Vol. 871. - Ст. 159474, DOI 10.1016/j.jallcom.2021.159474. - Cited References: 47. - This work was supported by the Russian Science Foundation, Russia under grant #181300 080 . - ISSN 0925-8388. - ISSN 1873-4669
   Перевод заглавия: Исследование кинетики твердофазной реакции в мультислойных тонких пленках Ag/Al методами in situ дифракции электронов и синхронного термического анализа

РУБ Chemistry, Physical + Materials Science, Multidisciplinary + Metallurgy & Metallurgical Engineering
Рубрики:
STRUCTURAL PHASE-TRANSFORMATIONS
COMMITTEE RECOMMENDATIONS
ICTAC KINETICS
Кл.слова (ненормированные):
Thin films -- Intermetallic compound -- Solid-state reaction -- Phase transformations -- Kinetic model -- Activation energy
Аннотация: A solid-state reaction process in Ag/Al multilayer thin films has been investigated by the methods of in situ electron diffraction, simultaneous thermal analysis, transmission electron microscopy and X-ray diffraction with the aim of studying the phase formation kinetics of intermetallic compounds. The sequence of the phase transformations in the solid-state reaction has been established: Ag+Al→(Ag)+(Al)→(Ag)+δ-Ag2Al→μ-Ag3Al. The process of the solid-state interaction has been shown to consist of two steps; each of them is described by a kinetic model of the nth order reactions with autocatalysis. The kinetic parameters of the autocatalytic process of the phase formation for δ-Ag2Al and µ-Ag3Al, have been determined, in particular, their apparent activation energy: 126 kJ/mol and 106 kJ/mol, respectively.

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Держатели документа:
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.
RAS, Kirensky Inst Phys, SB, Fed Res Ctr,KSC, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
RAS, Inst Chem & Chem Technol, SB, Fed Res Ctr,KSC, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarskij Rabochij 31, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Yumashev, V. V.; Moiseenko, E. T.; Belousov, O. V.; Solovyov, L. A.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Zeer, G. M.; Russian Science Foundation, RussiaRussian Science Foundation (RSF) [181300 080]
}
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15.

Moiseenko, E. T.
Formation of the atomically ordered L10 structure with the [001] orientation during the solid-state reaction in Fe/Pd bilayer thin films / E. T. Moiseenko, R. R. Altunin, S. M. Zharkov // Phys. Solid State. - 2017. - Vol. 59, Is. 6. - P. 1233-1237, DOI 10.1134/S1063783417060154. - Cited References:21. - This study was supported by the Russian Foundation for Basic Research, projects nos. 14-03-00515, 16-32-00225, and 16-38-60075. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
MAGNETIC-FIELD
SINGLE-CRYSTAL
FEPT FILMS
Аннотация: The formation of the atomically ordered L10-FePd structure during the solid-state reaction in Fe/Pd bilayer thin films is in situ investigated by electron microscopy and electron diffraction analysis. The initial iron and palladium layers were mainly coherently oriented crystallites with the orientation relationship α-Fe (001)[110] || Pd(001)[100]. It is established that the solid-state reaction between the iron and palladium layers upon heating at a rate of 4–8°C/min starts with the formation of the FePd solid solution at 390°C; at 430°C, the formation of the atomically ordered L10-FePd structure is observed. It is shown that at the low heating rate (4–8°C/min), the L10-FePd structure with the [001] orientation relative to the film plane forms, while at the high heating rate (50°C/min) it forms with the [100], [010], and [001] orientations.

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Публикация на русском языке Моисеенко Е. Т. Формирование атомно-упорядоченной структуры типа L10 с ориентацией [001] в процессе твердофазной реакции в двухслойных тонких пленках Fe/Pd [Текст] / Е. Т. Моисеенко, Р. Р. Алтунин, С. М. Жарков // Физ. тверд. тела : Наука, 2017. - Т. 59 Вып. 6. - С. 1208–1213

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

Доп.точки доступа:
Altunin, R. R.; Zharkov, S. M.; Жарков, Сергей Михайлович; Russian Foundation for Basic Research [14-03-00515, 16-32-00225, 16-38-60075]
}
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16.

    Moiseenko, E. T.
    In situ electron diffraction and resistivity characterization of solid state reaction process in Cu/Al bilayer thin films / E. T. Moiseenko, R. R. Altunin, S. M. Zharkov // Metall. Mat. Trans. A. - 2020. - Vol. 51, Is. 3. - P. 1428-1436, DOI 10.1007/s11661-019-05602-5. - Cited References: 52. - The authors wish to thank the financial support from the Russian Science Foundation (Grant #18-13-00080) . - ISSN 1073-5623
   Перевод заглавия: In situ исследования процесса твердофазной реакции в двухслойных тонких пленках Cu/Al методами дифракции электронов и изменения электросопротивления
Кл.слова (ненормированные):
Aluminum alloys -- Binary alloys -- Crystallites -- Electric conductivity -- Electron diffraction -- Intermetallics -- Solid state reactions -- Thin films
Аннотация: Solid state reaction processes in Cu/Al thin films have been studied using the methods of in situ electron diffraction and electrical resistivity measurements. The solid state reaction in the Cu/Al thin films has been found to begin already at 88 °C with the formation of the Al2Cu phase in the process of thermal heating in vacuum. The phase sequence at the solid state reaction in the films under study has been determined to be the following: Al2Cu → AlCu → Al4Cu9. A model has been suggested for describing the initial formation stage of intermetallic compounds at the solid state reaction in Cu/Al thin films. According to this model, at the initial stage, the intermetallic compounds are formed as separate crystallites at the interface in the Cu/Al thin films. The suggested model can be applied both to the formation of the first phase, Al2Cu, and to the subsequent phases: AlCu and Al4Cu9. For the Al4Cu9 phase the temperature coefficient of the electrical resistivity has been determined to be equal to αAl4Cu9= 1.1 × 10−3 K−1.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Altunin, R. R.; Zharkov, S. M.; Жарков, Сергей Михайлович
}
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17.

Moiseenko, E. T.
Solid-state synthesis and atomic ordering in thin Cu/Au films (Atomic Ratio, Cu : Au = 3 : 1) / E. T. Moiseenko, R. R. Altunin, S. M. Zharkov // Bull. Russ. Acad. Sci.: Phys. - 2012. - Vol. 76, Is. 10. - P. 1149-1151, DOI 10.3103/S1062873812100073 . - ISSN 1062-8738
Кл.слова (ненормированные):
Atomic ordering -- Atomic ratio -- Bi-layer -- In-situ transmission -- Nano films -- Solid-state synthesis -- Space Groups -- Atoms -- Gold -- In situ processing -- Transmission electron microscopy -- Copper
Аннотация: In situ transmission electron microscopy investigations of the processes of solid-state synthesis and atomic ordering in bilayer Cu/Au nanofilms (atomic ratio, Cu : Au = 3 : 1) are conducted. It is found that solid-state synthesis starts at 170В°C. A Cu 3Au atomic-disordered structure (Fm3m space group; lattice con- stant, a = 3.76 В± 0.01 A) forms at 280В°C. Annealing the film for 1 hour at 380В°C produced a Cu 3AuI (L1 2 type) atomic-ordered superstructure, a Pm-3m space group, and lattice constant, a = 3.76 В± 0.01 a in the bulk of the film.

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Публикация на русском языке Моисеенко, Евгений Тимофеевич. Твердофазный синтез и атомное упорядочение в тонкопленочной системе Cu/Au (атомное соотношение Cu : Au = 3 : 1) [Текст] / Е. Т. Моисеенко, Р. Р. Алтунин, С. М. Жарков // Изв. РАН. Сер. физич. - 2012. - Т. 76 № 10. - С. 1279-1282

Держатели документа:
L.V. Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Altunin, R. R.; Алтунин, Роман Русланович; Zharkov, S. M.; Жарков, Сергей Михайлович; Моисеенко, Евгений Тимофеевич
}
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18.

    Mossbauer and MCD spectroscopy of the Fe3S4 nanoparticles synthesized by the thermal decomposition method with two different surfactants / R. D. Ivantsov, C.-R. Lin, O. S. Ivanova [et al.] // Curr. Appl. Phys. - 2021. - Vol. 25. - P. 55-61, DOI 10.1016/j.cap.2021.02.013. - Cited References: 30. - The reported study was funded by Joint Research Project of Russian Foundation for Basic Research № 19-52-52002 and Ministry of Science and Technology, Taiwan MOST № 108-2923-M-153-001-MY3 and № 106-2112-M-153-001-MY3 , and by Russian Foundation for Basic Research with Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science , the research project number 19-42-240005 : “Features of the electronic structure, magnetic properties and optical excitations in nanocrystals of the multifunctional magnetic chalcogenides Fe3S4 and FeSe”. The electron microscopy and electron diffraction 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. The thermal-gravity measurements were carried out with the differential Scanning Calorimeter DSC 204 F-1 Phoenix (NETZSCH) in the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center «Krasnoyarsk Science Center SB RAS» . - ISSN 1567-1739
   Перевод заглавия: Мёссбауэровская и МКД-спектроскопия наночастиц Fe3S4, синтезированных методом термического разложения с двумя разными ПАВ
Кл.слова (ненормированные):
Greigite -- Thermal decomposition -- Surfactants -- Mössbauer effect -- FT-IR spectra -- Magnetic circular dichroism
Аннотация: Greigite (Fe3S4) nanoparticles (NPs) were fabricated by the thermal decomposition method using two different surfactants: oleylamine (OLA) and 1-hexadecylamine (HDA). In both cases, the synthesized NPs were characterized as the Fe3S4 nanocrystals with minor inclusions of Fe9S11 phase. FT-IR spectroscopy and thermo-gravimetric analysis allow concluding about OLA or HDA shells covering magnetic core of NPs. Mossbauer spectra has revealed deviations of iron ions distribution among crystal positions from that presented in literature for pure greigite. In accordance with these deviations, the pronounce changes are observed in the magnetic circular dichroism (MCD) spectra which manifest themselves as the spectrum shift to higher energies of electromagnetic waves and redistribution of the MCD maximum intensities. These effects are associated with a change in the density of electronic states in the samples due to the redistribution of iron ions between octahedral and tetrahedral positions in nanocrystals under the influence of surfactants.

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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RASKrasnoyarsk 660036, Russian Federation
Department of Applied Physics, National Pingtung University, Pingtung City, Pingtung County 90003, Taiwan
Siberian Federal UniversityKrasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Lin, C. -R.; Ivanova, O. S.; Иванова, Оксана Станиславовна; Altunin, R. R.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Chen, Y. -Z.; Lin, E. -S.; Chen, B. -Y.; Shestakov, N. P.; Шестаков, Николай Петрович; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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19.

    Peculiarities of Intermetallic Phase Formation in the Process of a Solid State Reaction in (Al/Cu)n Multilayer Thin Films / E. T. Moiseenko, S. M. Zharkov, R. R. Altunin [et al.] // JOM. - 2021. - Vol. 73, Is. 2. - P. 580-588, DOI 10.1007/s11837-020-04522-9. - Cited References: 44. - This work was supported by the Russian Science Foundation under Grant #18-13-00080. The electron microscopy investigations were conducted in the SFU Joint Scientific Center whose infrastructure was supported by the State assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation. The preparation of cross-section samples for TEM investigations was conducted in the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS” . - ISSN 1047-4838
   Перевод заглавия: Особенности формирования интерметаллических фаз в процессе твердофазной реакции в многослойных тонких пленках (Al/Cu)
Кл.слова (ненормированные):
Bilayer thin films -- Copper diffusion -- In-situ transmission electron microscopies -- Intermetallic phase -- Multi-layer thin film -- Phase formation process -- Phase formation sequence -- Simultaneous thermal analysis
Аннотация: Phase formation in a solid state reaction in Al/Cu bilayer and multilayer thin films was studied by the methods of in situ transmission electron microscopy, electron diffraction, simultaneous thermal analysis and x-ray diffraction. It was established that the phase formation sequences in the (Al/Cu)n (n = 2, 15) multilayer thin films (θ-Al2Cu → γ1-Al4Cu9 → η2-AlCu) and Al/Cu bilayer thin films (θ-Al2Cu → η2-AlCu → γ1-Al4Cu9) were different. It was assumed that the phase formation process in the thin films was strongly affected by a number of copper/aluminum interfaces due to the changes of aluminum and copper diffusion current.

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Держатели документа:
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Akademgorodok 50/24, Krasnoyarsk, 660036, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarskij Rabochij 31, Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Moiseenko, E. T.; Zharkov, S. M.; Жарков, Сергей Михайлович; Altunin, R. R.; Belousov, O. V.; Solovyov, L. A.; Yumashev, V. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Zeer, G. M.
}
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20.

    Solid-state reaction in Cu/a-Si nanolayers: A comparative study of STA and electron diffraction data / E. T. Moiseenko, V. V. Yumashev, R. R. Altunin [и др.] // Materials. - 2022. - Vol. 15, Is. 23. - Ст. 8457, DOI 10.3390/ma15238457. - Cited References: 45. - This work was supported by the Russian Science Foundation under grant # 22-13-00313 . - ISSN 1996-1944
   Перевод заглавия: Твердофазная реакция в нанослоях Cu/a-Si: сравнительное исследование данных, полученных методами СТА и дифракции электронов
Кл.слова (ненормированные):
copper silicide -- thin films -- nanolayer -- solid-state reaction -- phase formation -- kinetics -- activation energy -- enthalpy -- DSC -- electron diffraction
Аннотация: The kinetics of the solid-state reaction between nanolayers of polycrystalline copper and amorphous silicon (a-Si) has been studied in a Cu/a-Si thin-film system by the methods of electron diffraction and simultaneous thermal analysis (STA), including the methods of differential scanning calorimetry (DSC) and thermogravimetry (TG). It has been established that, in the solid-state reaction, two phases are formed in a sequence: Cu + Si → η″-Cu3Si → γ-Cu5Si. It has been shown that the estimated values of the kinetic parameters of the formation processes for the phases η″-Cu3Si and γ-Cu5Si, obtained using electron diffraction, are in good agreement with those obtained by DSC. The formation enthalpy of the phases η″-Cu3Si and γ-Cu5Si has been estimated to be: ΔHη″-Cu3Si = −12.4 ± 0.2 kJ/mol; ΔHγ-Cu5Si = −8.4 ± 0.4 kJ/mol. As a result of the model description of the thermo-analytical data, it has been found that the process of solid-state transformations in the Cu/a-Si thin-film system under study is best described by a four-stage kinetic model R3 → R3 → (Cn-X) → (Cn-X). The kinetic parameters of formation of the η″-Cu3Si phase are the following: Ea = 199.9 kJ/mol, log(A, s−1) = 20.5, n = 1.7; and for the γ-Cu5Si phase: Ea = 149.7 kJ/mol, log(A, s−1) = 10.4, n = 1.3, with the kinetic parameters of formation of the γ-Cu5Si phase being determined for the first time.

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Держатели документа:
Laboratory of Electron Microscopy, Siberian Federal University, 79 Svobodny Ave., 660041 Krasnoyarsk, Russia
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Akademgorodok 50/24, 660036 Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, 660036 Krasnoyarsk, Russia

Доп.точки доступа:
Moiseenko, E. T.; Yumashev, V. V.; Altunin, R. R.; Zeer, G. M.; Nikolaeva, N. S.; Belousov, O. V.; Zharkov, S. M.; Жарков, Сергей Михайлович
}
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