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Кузовникова, Людмила Александровна.
Nanostructured cobalt-based materials produced with using of mechanochemical technology [Текст] / L. A. Kuzovnikova, R. S. Iskhakov, E. A. Denisova // V Euro-Asian simposium "Trend in MAGnetism": Nanomagnetism : abstracts. - Vladivostok : FEFU, 2013. - С. 190 . - ISBN 978-5-7444-3124-2

Доп.точки доступа:
Iskhakov, R. S.; Исхаков, Рауф Садыкович; Denisova, E. A.; Денисова, Елена Александровна; Kuzovnikova, L. A.; Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism(5 ; 2013 ; Sept. ; 15-21 ; Vladivostok)
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Effect of ball milling and dynamic compaction on magnetic properties of Al2O3/Co(P) composite particles / E. A. Denisova [et al.] // J. Appl. Phys. - 2014. - Vol. 115, Is. 17. - Ст. 17B530, DOI 10.1063/1.4869158. - Cited References: 18. - This work was partially supported by Russian Foundation of Basic Research 13-03-00476-a. . - ISSN 0021-8979. - ISSN 1089-7550

РУБ Physics, Applied
Рубрики:
MECHANOCHEMICAL SYNTHESIS
   MECHANICAL-PROPERTIES
   NANOCOMPOSITE POWDER
   ALLOYS
   NANOCRYSTALLINE
   MICROSTRUCTURE
   FERROMAGNETS
Аннотация: The evolution of the magnetic properties of composite Al2O3/Co(P) particles during ball milling and dynamic compaction is investigated. To prepare starting composite particles, the Al2O3 granules were coated with a Co95P5 shell by electroless plating. The magnetic and structural properties of the composite particles are characterized by scanning electron microscopy, X-ray diffraction, and the use of the Physical Property Measurement System. The use of composite core-shell particles as starting powder for mechanoactivation allows to decrease treatment duration to 1 h and to produce a more homogeneous bulk sample than in the case of the mixture of Co and Al2O3 powders. The magnetic properties of the milled composite particles are correlated with changes in the microstructure. Reduction in grain size of Co during milling leads to an increase of the volume fraction of superparamagnetic particles and to a decrease of the saturation magnetization. The local magnetic anisotropy field depends on the amount of hcp-Co phase in sample. The anisotropy field value decreases from 8.4 kOe to 3.8 kOe with an increase in milling duration up to 75 min. The regimes of dynamic compaction were selected so that the magnetic characteristics-saturation magnetization and coercive field-remained unchanged. (C) 2014 AIP Publishing LLC.

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Держатели документа:
Kirensky Inst Phys SB RAS, Krasnoyarsk, Russia
Krasnoyarsk Inst Railways Transport, Krasnoyarsk, Russia
Inst Sicherheitsforsch & Reaktortech, D-52425 Julich, Germany
Krasnoyarsk Sci Ctr SB RAS, Krasnoyarsk, Russia

Доп.точки доступа:
Denisova, E. A.; Денисова, Елена Александровна; Kuzovnikova, L. A.; Кузовникова, Людмила Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Bukaemskiy, A. A.; Eremin, E. V.; Еремин, Евгений Владимирович; Nemtsev, I. V.; Немцев, Иван Васильевич; Russian Foundation of Basic Research [13-03-00476-a]
}
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    Структурообразование в системе вольфрам–медь при сварке взрывом / М. Б. Лесков [и др.] // Решетневские чтения : материалы XIX Междунар. науч. конф. : в 2-х ч. - Красноярск, 2015. - Ч. 1. - С. 531-534. - Библиогр.: 9
   Перевод заглавия: Structure formation in the system of tungsten-copper at welding explosion
Кл.слова (ненормированные):
структурообразование -- твердофазная реакция -- механохимическая реакция -- сварка взрывом -- structure formation -- solid-phase reaction -- mechanochemical reaction -- explosion welding
Аннотация: Исследованы процессы структурообразования на границе раздела практически нерастворимых друг в друге компонентов вольфрама и меди при сварке взрывом.
The research investigates the processes of structure formation at the interface is copper and tungsten components practically insoluble in each other during welding explosion.

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

Доп.точки доступа:
Лесков, М. Б.; Немцев, Иван Васильевич; Nemtsev, I. V.; Абылкалыкова, Р. Б.; Квеглис, Людмила Иосифовна; "Решетневские чтения", международная научно-практическая конференция(19 ; 2015 ; нояб. ; 10-14 ; Красноярск)
}
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Mechanochemical synthesis of hexagonal ferrites BaFe12O19 / V. Zhuravlev [et al.] // Key Eng. Mater. - 2018. - Vol. 781 KEM. - P. 119-124, DOI 10.4028/www.scientific.net/KEM.781.119. - Cited References: 15
Кл.слова (ненормированные):
Ferromagnetic resonance -- Magnetization curve -- Magnetocrystalline anisotropy -- Mechanochemical synthesis -- Nanostructure hexaferrites
Аннотация: The phase composition, structural parameters, and basic magnetic characteristics of BaFe12O19 hexaferrites prepared by the mechanochemical synthesis with subsequent annealing at a temperature of 1000°С and 1100°С for 1 h are investigated. The influence of the annealing temperature on the properties of synthesized materials is analyzed. Values of the saturation magnetization and the anisotropy field are determined. It is established that annealing temperature in the interval 1000 - 1100 °C does not significantly affect on the phase composition and the size of nanoparticles. The value of the anisotropy field increases substantially with increasing temperature.

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Держатели документа:
Tomsk State University, 36, Lenin Ave., Tomsk, 634050, Russian Federation
Tomsk Scientific Center SB RAS, 10/4, Academicheskii Pr., Tomsk, 634021, Russian Federation
L.V. Kirensky Institute of Physics SB RAS, 50, Academgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Zhuravlev, V.; Nevmyvaka, A.; Itin, V.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials(13th ; Tomsk)(9-14 October 2017)
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    Effect of intensive plastic deformation on structure and magnetic properties of Al2O3/Co(P) nanocomposite particles / Е. А. Денисова [et al.] // V International conference "Fundamental bases of mechanochemical technologies". FBMT- 2018 : book of abstracts : [25-28 June 2018, Novosibirsk, Russia]. - 2018. - P. 141 . - ISBN 978-5-4437-0794-5
   Перевод заглавия: Модификация структуры и магнитных свойств нанокомпозитных частиц Al2O3/Co(P) под воздействием интенсивной пластической деформации

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

Доп.точки доступа:
Kuzovnikova, L. A.; Кузовникова, Людмила Александровна; Denisova, E. A.; Денисова, Елена Александровна; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Nemtsev, I. V.; Немцев, Иван Васильевич; Shepeta, N. A.; Fundamental Bases of Mechanochemical Technologies, International Conference(5 ; 2018 ; June ; Novosibirsk); "Фундаментальные основы механохимических технологий", международная конференция(5 ; 2018 ; июнь ; Новосибирск); Институт химии твердого тела и механохимии Сибирского отделения РАН; Новосибирский государственный университет
}
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Mechanochemical synthesis of intermetallic compounds in the gallium-iridium system / E. A. Pavlov [et al.] // Russ. Metall. - 2018. - Is. 8. - P. 728-732, DOI 10.1134/S0036029518080141. - Cited References: 18. - This work was performed in terms of project no. 1622/17 of the Krasnoyarsk Plant of Nonferrous Metals and the Institute of Solid State Chemistry and Mechanochemistry. . - ISSN 0036-0295. - ISSN 1555-6255

РУБ Metallurgy & Metallurgical Engineering
Рубрики:
ALUMINUM
Кл.слова (ненормированные):
mechanochemical synthesis -- intermetallic compounds -- gallium -- iridium -- complex compounds of iridium
Аннотация: The interaction between a solid inert metal (Ir) and an active liquid metal (Ga) during mechanical activation in a high-energy planetary mill is studied by X-ray diffraction and scanning electron microscopy with EDS-apparatus for high-resolution energy dispersive X-ray microanalysis. The influence of mechanical activation conditions on the formation of GaxIry intermetallic compounds and GaxIry/Ir composites and on their solubility in various acids is investigated. Being a surfactant for iridium, gallium propagates along the grain boundaries of polycrystalline iridium particles during mechanical activaiton and, hence, sharply decreases their strength. As a result of strong mechanical deformation during activation, the contact surface area between the solid and liquid metals, where the intermetallic compounds form intensely, increases sharply. As a result of treatment of the products of mechanical activaiton by a mixture of concentrated hydrochloric and nitric acids, iridium (>30%) from passes into an acid solution and forms HxIrCly complex compounds, which can interact with bases to form soluble complex salts.

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Публикация на русском языке Механохимический синтез интерметаллических соединений в системе галлий-иридий [Текст] / Е. А. Павлов [и др.] // Расплавы. - 2018. - № 3. - С. 291-298

Держатели документа:
OAO Krasnoyarsk Plant Nonferrous Met, Krasnoyarsk 660027, Russia.
Russian Acad Sci, Siberian Branch, Fed Res Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochem, Novosibirsk 630128, Russia.
Russian Acad Sci, Ural Branch, Inst Met, Ekaterinburg 620016, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Pavlov, E. A.; Chuprov, I. V.; Nikulin, M. V.; Mal'tsev, E. V.; Pshenichnaya, A. A.; Пшеничная, Анастасия Александровна; Grigoreva, T. F.; Pastukhov, E. A.; Skuratov, A. P.; Lyakhov, N. Z.
}
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    Unraveling the mechanochemical synthesis and luminescence in MnII-based two-dimensional hybrid perovskite (C4H9NH3)2PbCl4 / G. J. Zhou [et al.] // Sci. China Mater. - 2019. - Vol. 62, Is. 7. - P. 1013-1022, DOI 10.1007/s40843-018-9404-4. - Cited References: 40. - The present work was supported by the National Natural Science Foundation of China (91622125, 51722202 and 51572023) and the Natural Science Foundation of Beijing (2172036), and Molokeev M acknowledges the support of the Russian Foundation for Basic Research (17-52-53031). The DFT calculation was carried out at the National Supercomputer Center in Tianjin, and the calculations were performed on TianHe-1(A). . - ISSN 2095-8226. - ISSN 2199-4501
   Перевод заглавия: Открытие механохимического синтеза и люминесценции в двумерном гибридном перовските (C4H9NH3)2PbCl4 с допированием MnII

РУБ Materials Science, Multidisciplinary
Рубрики:
DOPANT ENERGY-TRANSFER
   EMISSION
   EXCITON
   MODEL
Кл.слова (ненормированные):
2D hybrid perovskite -- mechanochemical -- Mn-doping -- luminescence -- phosphor
Аннотация: The mechanochemical route is a facile and fast way and has received much attention for developing versatile advanced functional materials. Herein, we reported a mechanochemical synthesis for incorporating divalent manganese ions (MnII) into a two-dimensional (2D) hybrid perovskite (C4H9NH3)2PbCl4. The mild external stimuli originating from the grinding at room temperature enabled the formation of MnII-doped 2D hybrid perovskites, and rapidly changed the luminescence characteristics. The photoluminescence analyses show that the violet and orange emissions are attributed to (C4H9NH3)2Pb1–xMnxCl4 band-edge emission and the T1→6A1 transition of Mn2+ resulting from an efficient energy transfer process, respectively. Site preference and distribution of the doped Mn2+ cations on the locations of Pb2+ were analyzed. The formation energy calculated by the density functional theory (DFT) indicates that the Mn2+ ions can rapidly enter the crystal lattice due to the unique 2D crystal structure of the hybrid perovskite. Such a case of mechanochemical synthesis for the 2D hybrid perovskite motivates many novel emerging materials and the related applications.

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Держатели документа:
Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing Municipal Key Lab New Energy Mat & Techno, Beijing 100083, Peoples R China.
Beihang Univ, Minist Educ, Sch Phys, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100191, Peoples R China.
RAS, SB, KSC, Lab Crystal Phys,Kirensky Inst Phys,Fed Res Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.

Доп.точки доступа:
Zhou, Guojun; Guo, Shaoqiang; Zhao, Jing; Molokeev, M. S.; Молокеев, Максим Сергеевич; Liu, Quanlin; Zhang, Junying; Xia, Zhiguo
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Structure and magnetism in ball-milled core-shell Al2O3@Co particles / L. Kuzovnikova [et al.] // Mater. Today: Proc. - 2019. - Vol. 12: 5th International Conference on Fundamental Bases of Mechanochemical (JUN 25-28, 2018, Russian Acad Sci, Siberian Branch, Inst Solid State Chem & Mechanochemistry, Novosibirsk, Russia), Pt. 1. - P. 159-162, DOI 10.1016/j.matpr.2019.03.087. - Cited References: 19. - This work was supported by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No 18-42-240006.
Кл.слова (ненормированные):
Core-shell Al2O3@Co particles -- ball-milling -- magnetic properties
Аннотация: The core-shell Al2O3@Co particles were prepared by the ball-milling of the composite Al2O3-Co particles synthesized by electroless reduction. During the ball-milling process, both, the core-shell particle size and the ratio of hcp/fcc phases changed. To perform a phase analysis of the cobalt shell we used an approach based on the magnetic measurements. The use of Al2O3-Co composite particles as the precursors for the ball milling significantly shortens the time needed for a change in the phase composition of cobalt.

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Держатели документа:
Krasnoyarsk Inst Railways Transport, Lado Ketshovelly Str 89, Krasnoyarsk, Russia.
RAS, SB, KSC, Inst Phys,Fed Res Ctr, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
RAS, Fed Res Ctr, KSC, SB, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny Ave 79, Krasnoyarsk 660036, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660000, Russia.

Доп.точки доступа:
Kuzovnikova, Ludmila; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Denisova, E. A.; Денисова, Елена Александровна; Iskhakov, R. S.; Исхаков, Рауф Садыкович; Nemtsev, I. V.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Shepeta, Natalia; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [18-42-240006]; International Conference on Fundamental Bases of Mechanochemical(5th ; JUN 25-28, 2018 ; Novosibirsk, Russia)
}
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    Luminescent zero-dimensional hybrid lead thiohalide nanostructures for high quantum yield and broadband excitation / N. N. Golovnev, A. S. Aleksandrovsky, M. A. Gerasimova [et al.] // ACS Appl. Nano Mat. - 2021. - Vol. 4, Is. 4. - P. 3654-3663, DOI 10.1021/acsanm.1c00162. - Cited References: 55. - This work is supported by the RFBR according to the research project No. 19-52-80003. This work is also supported by the National Natural Science Foundation of China (51961145101). V.M. thanks Russian Foundation for Basic Research (project number 19-03-00043) for funding. The use of equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS” is acknowledged. The authors thank JSCC RAS for providing computational resources . - ISSN 2574-0970
   Перевод заглавия: Наноструктуры люминесцентных нульразмерных гибридных тиогалогенов свинца для высокого квантового выхода и широкополосного спектра возбуждения
Кл.слова (ненормированные):
Zero-dimensional hybrid metal halide -- Luminescence -- Quantum yield -- Mechanochemical synthesis -- X-ray diffraction -- Dimethylthiourea
Аннотация: Luminescent trans-[Pb(DMTU-S)4Cl2] (DMTU: N,N′-dimethylthiourea) was designed and prepared via either mechanochemical or solvothermal methods, and the structures of DMTU and trans-[Pb(DMTU-S)4Cl2] have been resolved using X-ray single-crystal diffraction. Upon excitation over broadband covering the range from 450 to 250 nm, trans-[Pb(DMTU-S)4Cl2] shows yellow-green emission peaking at 549 nm with a spectral width of 110 nm, which is assigned to the triplet–singlet transition of Pb2+ ions within distorted heterogeneous S4Cl2 octahedra. The broadband excitation comprised singlet–singlet transitions of Pb2+ ions and energy transfer from orbitals involving those of organic ligands. Simultaneous analysis of the luminescent bandwidth and Stokes shift gives for Pb2+ ions in S4Cl2 octahedra the value of the Huang–Rhys parameter S = 4.25 and the energy of phonon involved in the formation of the luminescence spectrum of the order of 90 meV. Quantum yield as high as 91% is detected for excitation at 365 nm. This high quantum yield indicates the absence of noticeable concentration quenching at an average distance of 9.4 Å between the Pb2+ ions within the structure of trans-[Pb(DMTU)4Cl2]. The weak spin–orbit intersystem crossing is deduced from a high photoluminescence quantum yield (PLQY) value. Time dependent-density functional theory (TD-DFT) calculations of the nanocluster indicate the red shift of absorption bands in Pb(DMTU)4Cl2 with respect to parent DMTU. The high-performance photoluminescence and stability demonstrated promising applications in photonics.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russian Federation
The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Technology, South China University of Technology, Guangzhou, 510641, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center, KSC, SB, RAS, Krasnoyarsk, 660036, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo 650000, Russian Federation

Доп.точки доступа:
Golovnev, N. N.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Gerasimova, M. A.; Tomilin, F. N.; Томилин, Феликс Николаевич; Mironov, V. A.; Demina, A. V.; Xia, Z.; Molokeev, M. S.; Молокеев, Максим Сергеевич
}
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10.

Effect of mechanical activation on the thermoelectric properties of Sr1-xSmxTiO3 ceramics / Y. S. Orlov, S. N. Vereshchagin, S. V. Novikov [et al.] // Ceram. Int. - 2021. - Vol. 47, Is. 20. - P. 28992-28999, DOI 10.1016/j.ceramint.2021.07.060. - Cited References: 31. - This study was supported by the Russian Science Foundation, project no. 19-72-00097 . - ISSN 0272-8842. - ISSN 1873-3956

РУБ Materials Science, Ceramics
Рубрики:
SRTIO3
   LA
   MICROSTRUCTURE
   CONDUCTIVITY
   PERFORMANCE
   FIGURE
   MERIT
Кл.слова (ненормированные):
Strontium titanate solid solutions -- Thermoelectric oxide materials -- Mechanochemical activation
Аннотация: The Sr1-xSmxTiO3 (х = 0.025, 0.05, 0.075, 0.1, 0.2) strontium titanate solid solutions were prepared from oxides and carbonates using a conventional ceramic technology based on the mechanochemical activation. The electrical conductivity and Seebeck coefficient of the synthesized compounds were measured in the temperature range from 300 to 800 K. We found that the properties of the samples significantly depend on the preliminary mechanochemical activation. The thermoelectric power factor attains maximum value in the hydrogen reduced samples with concentration of х = 0.05 and 0.075 obtained from nanoparticles: 5.5 μW/(cm · K2) for Sr0.95Sm0.05TiO3 (580 K) and 4.10 μW/(cm · K2) for Sr0.925Sm0.075TiO3 (650 K). An increase in the annealing temperature of mechanically activated samples leads to an even greater increase in electrical conductivity and power factor: 9.2 μW/(cm · K2) for Sr0.925Sm0.075TiO3 (650 K).

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.
Ioffe Inst, St Petersburg 194021, Russia.

Доп.точки доступа:
Orlov, Yu. S.; Орлов, Юрий Сергеевич; Vereshchagin, S. N.; Novikov, S., V; Burkov, A. T.; Borus, A. A.; Борус, Андрей Андреевич; Sitnikov, M., V; Solovyov, L. A.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Dudnikov, V. A.; Дудников, Вячеслав Анатольевич; Russian Science FoundationRussian Science Foundation (RSF) [19-72-00097]
}
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