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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Visotin M. A., Tarasov I. A., Fedorov A. S., Ovchinnikov S. G.
Заглавие : Iron disilicide lattice thermal expansion coefficients from first principle calculations
Коллективы : Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации : The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.III.31.04o. - P.83. - ISBN 978-5-8044-1698-1
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tarasov I. A., Bondarev I. A., Romanenko A. I.
Заглавие : α-FeSi2 as a buffer layer for β-FeSi2 growth: analysis of orientation relationships in silicide/Silicon, silicide/silicide heterointerfaces
Коллективы : Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science [18-42-243013]; Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation; Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [II.8.70]
Место публикации : J. Surf. Ingestig. - 2020. - Vol. 14, Is. 4. - P.851-861. - ISSN 1027-4510, DOI 10.1134/S1027451020040357. - ISSN 1819-7094(eISSN)
Примечания : Cited References: 74. - The work was supported by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project no. 18-42-243013. The work was partially supported by the Ministry of Education and Science of the Russian Federation and by Siberian Branch of the Russian Academy of Sciences (Project II.8.70)
Предметные рубрики: β-FeSi2 thin-films
Thermal-expansion
Phase-transformation
Аннотация: In this manuscript, we attempt to clarify the capability of utilisation of α-FeSi2 nanocrystals as a buffer layer for growth of monocrystalline/high-quality β-FeSi2 direct-gap semiconductor from the point of view of the crystal lattice misfits and near coincidence site (NCS) lattices. Iron silicides-based nanostructures have a wide spectrum of possible industrial applications in different fields. Mainly, interest in these functional materials is caused by their ecological safety and Earth’s core abundance that give us the opportunity for greener future with highly effective electronic devices. β-FeSi2 phase due to its allowed direct transition with energy close to 0.87 eV can be used as active material in light emission diodes (LED). Utilisation of buffer layers between silicon substrate and give one more tool to engineer the band structure of semiconducting β‑FeSi2 phase. We attempt to clarify the capability of the utilisation of the α-FeSi2 phase as a buffer layer for the growth of β-FeSi2 direct-gap semiconductor from the point of view of the crystal lattice misfits and near coincidence site (NCS) lattices. Possible β-FeSi2/α-,γ-,s-FeSi2/Si orientation relationships (ORs) and habit planes were examined with crystallogeometrical approaches and compared with β-FeSi2/Si ones. The lowest interplanar and interatomic spacing misfits between silicon lattice and a silicide one are observed for the pair of s-FeSi2{011}[200]/Si{022}[100] at room temperature and equal to –0.57%. The least interplanar and interatomic spacing misfit of 1.7 and 1.88%, respectively, for β-FeSi2/Si, can be decreased as low as –0.67 (interplanar) and 0.87 (interatomic) % by placing an α-FeSi2 layer between silicon and β-FeSi2 phase. It is stated that the growth of metastable γ-FeSi2 is also favourable on silicon due to low interplanar and interatomic spacing misfit (–0.77%) and a higher density of NCS in comparison with s-FeSi2. Design and technological procedure for the synthesis of possible β-FeSi2/α-FeSi2/Si heterostructure have been proposed based on the results obtained.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov A. S., Bondarev I. A., Rautskii M. V., Lukyanenko A. V., Smolyakov D. A., Smolyarova T. E., Tarasov I. A., Yakovlev I. A., Volochaev M. N., Varnakov S. N., Ovchinnikov S. G., Volkov N. V.
Заглавие : Magnetic and transport properties of trilayered Fe3Si/Ge/Fe3Si hybrid structures synthesized on Si(111)
Коллективы : Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации : The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.IV.03.07o. - P.107. - ISBN 978-5-8044-1698-1
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov I. A., Yakovlev I. A., Volochaev M. N., Nazarova Z.I., Nazarov A., Fedorov A. S., Varnakov S. N., Ovchinnikov S. G.
Заглавие : Growth and thermoelectric properties of composite thin films based on higher iron and manganese silicides
Коллективы : Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации : The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.III.30.04p. - P.90. - ISBN 978-5-8044-1698-1
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Yakovlev I. A., Tarasov I. A., Velikanov D. A., Volochaev M. N., Ovchinnikov S. G., Lyashchenko S. A.
Заглавие : Synthesis and properties of Fe–Si magnetic nanoparticles for biomedical applications
Коллективы : Российская академия наук, Уральское отделение РАН, Институт физики металлов им. М. Н. Михеева Уральского отделения РАН, Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Российский фонд фундаментальных исследований, Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium
Место публикации : Euro-asian symposium "Trends in magnetism" (EASTMAG-2019): Book of abstracts/ чл. конс. ком.: S. G. Ovchinnikov, N. V. Volkov [et al.] ; чл. прогр. ком. D. M. Dzebisashvili [et al.]. - 2019. - Vol. 2. - Ст.M.O1. - P.478. - ISBN 978-5-9500855-7-4 (Шифр В33/E12-125657784)
Примечания : Cited References: 2. - The work was funded by Krasnoyarsk Regional Fund of Science
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov I. A., Smolyarova T. E., Yakovlev I. A., Nemtsev I. V.
Заглавие : Magneto-optical activity of Fe3Si-Au based magnetoplasmonic nanostructures
Коллективы : Российская академия наук, Уральское отделение РАН, Институт физики металлов им. М. Н. Михеева Уральского отделения РАН, Уральский федеральный университет им. первого Президента России Б.Н. Ельцина, Российский фонд фундаментальных исследований, Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium
Место публикации : Euro-asian symposium "Trends in magnetism" (EASTMAG-2019): Book of abstracts/ чл. конс. ком.: S. G. Ovchinnikov, N. V. Volkov [et al.] ; чл. прогр. ком. D. M. Dzebisashvili [et al.]. - 2019. - Vol. 1. - Ст.E.P12. - P.441. - ISBN 978-5-9500855-7-4 (Шифр В33/E12-125657784)
Примечания : Cited References: 3. - The reported study was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research project No. 18-42-243013
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tarasov I. A., Smolyarova T. E., Nemtsev I. V., Yakovlev I. A., Volochaev M. N., Solovyov L. A., Varnakov S. N., Ovchinnikov S. G.
Заглавие : Tailoring the preferable orientation relationship and shape of α-FeSi2nanocrystals on Si(001): The impact of gold and the Si/Fe flux ratio, and the origin of α/Si boundaries
Место публикации : CrystEngComm. - 2020. - Vol. 22, Is. 23. - P.3943-3955. - ISSN 14668033 (ISSN), DOI 10.1039/d0ce00399a
Примечания : Cited References: 52. - The experimental part of the reported study was funded by the Russian Science Foundation, project no. 16-13-00060-Π. Theoretical analysis of the ORs of the α-FeSi2 nanocrystals grown was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science via research project No. 18-42-243013. We also acknowledge the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS” for support with carrying out the microscopic investigations. I. A. Tarasov personally thanks M. A. Visotin for continuous fruitful discussion about the energetics of the formation of the α-FeSi2 nanocrystals
Аннотация: The growth of α-FeSi2 nanocrystal ensembles on gold-activated and gold-free Si(001) surfaces at different Si/Fe flux ratios via molecular beam epitaxy is reported. The study reveals that the utilisation of gold as a catalyst regulates the preferable orientation relationship (OR) of the nanocrystals to silicon and their morphology at a given Si/Fe flux ratio. α-FeSi2 free-standing crystals with continuously tuned sizes from 30 nm up to several micrometres can be grown with an α(001)//Si(001) basic OR under gold-assisted conditions and an α(111)//Si(001) OR under gold-free growth conditions on a Si(001) surface. The preferred morphology of nanocrystals with a particular OR can be altered through changes to the Si/Fe flux ratio. Herein, the microstructure and basic OR between the silicide nanocrystals and the silicon substrate, and the formation of nanocrystal facets were analysed in detail with the help of microscopic techniques and simulation methods based on the analysis of near coincidence site (NCS) distributions at silicide/silicon interfaces. On the basis of the simulations used, we managed to reveal the nature of the interfaces observed for the main types of α-FeSi2 nanocrystals grown. Three types of interfaces typical for nanoplates with an α(001)//Si(001) basic OR, which are (i) stepped, (ii) stressed, and (iii) flat, are explained based on the tendency for the NCS density to increase at the interface. The results presented reveal the potential for the bottom-up fabrication of α-FeSi2 nanocrystals with tuned physical properties as potentially important contact materials and as building blocks for future nanoelectronic devices.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Visotin M. A., Tarasov I. A., Fedorov A. S., Varnakov S. N., Ovchinnikov S. G.
Заглавие : Prediction of orientation relationships and interface structures between α-, β-, γ-FeSi2 and Si phases
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [16-13-00060-Pi]
Место публикации : Acta Crystallogr. B. - 2020. - Vol. 76. - P.469-482. - ISSN 2052-5206(eISSN), DOI 10.1107/S2052520620005727
Примечания : Cited References: 85. - The following funding is acknowledged: Russian Science Foundation (grant No. 16-13-00060-Pi).
Предметные рубрики: THERMAL-EXPANSION
BETA-FESI2 FILMS
GROWTH
SILICON
DIFFRACTION
Аннотация: A pure crystallogeometrical approach is proposed for predicting orientation relationships, habit planes and atomic structures of the interfaces between phases, which is applicable to systems of low-symmetry phases and epitaxial thin film growth. The suggested models are verified with the example of epitaxial growth of α-, γ- and β-FeSi2 silicide thin films on silicon substrates. The density of near-coincidence sites is shown to have a decisive role in the determination of epitaxial thin film orientation and explains the superior quality of β-FeSi2 thin grown on Si(111) over Si(001) substrates despite larger lattice misfits. Ideal conjunctions for interfaces between the silicide phases are predicted and this allows for utilization of a thin buffer α-FeSi2 layer for oriented growth of β-FeSi2 nanostructures on Si(001). The thermal expansion coefficients are obtained within quasi-harmonic approximation from the DFT calculations to study the influence of temperature on the lattice strains in the derived interfaces. Faster decrease of misfits at the α-FeSi2(001)||Si(001) interface compared to γ-FeSi2(001)||Si(001) elucidates the origins of temperature-driven change of the phase growing on silicon substrates. The proposed approach guides from bulk phase unit cells to the construction of the interface atomic structures and appears to be a powerful tool for the prediction of interfaces between arbitrary phases for subsequent theoretical investigation and epitaxial film synthesis.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov I. A., Visotin M. A., Varnakov S. N., Ovchinnikov S. G., Farle M.
Заглавие : Growth of α-FeSi2 nanocrystals on silicon surface: the impact of gold and the Si/Fe flux ratio, the origin and the prediction of α/Si orientation relationships and interface structures
Коллективы : International workshop on functional MAX-materials, Kirensky Institute of Physics
Место публикации : International workshop on functional MAX-materials (1st FunMax). - 2020. - P.11
Примечания : Cited references: 2. - The study was carried out with the financial support of the Government of the Russian Federation within the framework of a grant for the creation of world-class laboratories (Agreement No. 075-15-2019-1886)
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10.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Visotin M. A., Tarasov I. A.
Заглавие : Approach for prediction of orientation relationships and interface structures and its application to α-, β-, γ-FeSi2 and Si
Коллективы : Nanostructures: Physics and Technology, International Symposium, Институт физики им. Б. И. Степанова НАН Беларуси, Санкт-Петербургский национальный исследовательский Академический университет Российской академии наук, Физико-технический институт им. А.Ф. Иоффе РАН, Научно-технологический центр микроэлектроники и субмикронных гетероструктур Российской академии наук
Место публикации : Nanostructures: Physics and Technology, International Symposium (28 ; 2020 ; 28 Sept.-2 Oct. ; Minsk, Belarus). Nanostructures: physics and technology: proc. 28th Int. symp. - 2020. - Ст.NC.13. - P.152-153. - ISBN 978-5-93634-066-6
Примечания : Cited References: 13
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