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Growth of α-FeSi2 nanocrystals on si(100) with Au catalyst / I. A. Tarasov [et al.] // Mater. Lett. - 2016. - Vol. 168. - P. 90-94, DOI 10.1016/j.matlet.2016.01.033. - Cited References: 25. - The work was supported by the Program of the President of the Russian Federation for the support of leading scientific schools (Scientific School 2886.2014.2), The Russian Foundation for Basic Research (RFBR) (Grants no. 13-02-01265), State Contract no. 02.G25.31.0043 and State Task no. 16.663.2014К). . - ISSN 0167-577X

РУБ Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
EPITAXIAL-GROWTH
   LOW-TEMPERATURE
   FeSi2
   NANOWIRES
   Si(111)
   FILMS
   Si
Кл.слова (ненормированные):
Nanomaterials -- Molecular beam epitaxy -- α-FeSi2 -- Electrode
Аннотация: Self-organized α-FeSi2 nanocrystals on (100) silicon substrate were synthesized by molecular beam epitaxy with Au catalyst. The microstructure and basic orientation relationship between the silicide nanocrystals and silicon substrate were analyzed in detail. α-FeSi2 nanocrystals appeared to be inclined trapezoid and rectangular nanoplates, polyhedral nanobars and pyramid-like ones, aligned along 011 directions on (100) silicon substrate with the length up to 1.5 μm, width ranging between 80 and 500 nm and thickness from 30 to 170 nm. As has been proposed metallic iron silicide may be used for manufacturing electric contacts on silicon. A current-voltage characteristic of the structure was measured at room temperature and showed good linearity.

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Держатели документа:
Siberian State Aerospace University, 31 Krasnoyarsky Rabochiy Av., Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Russian Academy of Sciences, Akademgorodok 50, bld. 38, Krasnoyarsk, Russian Federation
Far Eastern State Transport University, Serysheva str. 47, Khabarovsk, Russian Federation
Krasnoyarsk Scientific Centre, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tarasov, I. A.; Тарасов, Иван Анатольевич; Yakovlev, I. A.; Яковлев, Иван Александрович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Nemtsev, I. V.; Немцев, Иван Васильевич; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
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Effect of epitaxial alignment on electron transport from quasi-two-dimensional iron silicide α-FeSi2 nanocrystals into p-Si(001) / I. A. Tarasov [et al.] // Semiconductors. - 2018. - Vol. 52: 25th International Symposium on Nanostructures - Physics and Technology (Jun 26-30, 2017, Saint Petersburg, Russia), Is. 5. - P. 654-659, DOI 10.1134/S1063782618050330. - Cited References:31. - The work was supported by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research projects no. 16-42-243060 and 16-42-243035 and Russian Foundation for Basic Research, Government of the Republic of Khakassia, research project no. 17-42-190308. We also thank L.A. Solovyov for his assistance in XRD analysis. . - ISSN 1063-7826. - ISSN 1090-6479

РУБ Physics, Condensed Matter
Рубрики:
BETA-FESI2 THIN-FILMS
   LOW-TEMPERATURE
   GROWTH
   FESI2
   SI(100)
   SI(111)
Аннотация: Self-assembled growth of α-FeSi2 nanocrystal ensembles on gold-activated and gold-free Si(001) surface by molecular beam epitaxy is reported. The microstructure and basic orientation relationship (OR) between the silicide nanocrystals and silicon substrate were analysed. The study reveals that utilisation of the gold as catalyst regulates the preferable OR of the nanocrystals with silicon and their habitus. It is shown that electron transport from α-FeSi2 phase into p-Si(001) can be tuned by the formation of (001)-or (111)-textured α-FeSi2 nanocrystals ensembles. A current-voltage characteristic of the structures with different preferable epitaxial alignment (α-FeSi2(001)/Si(100) and α-FeSi2(111)/Si(100)) shows good linearity at room temperature. However, it becomes non-linear at different temperatures for different ORs due to different Schottky barrier height governed by a particular epitaxial alignment of the α-FeSi2/p-Si interfaces.

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Публикация на "русском языке" Effect of epitaxial alignment on electron transport from quasi-two-dimensional iron silicide α-FeSi2 nanocrystals into p-Si(001) [Текст] / I. A. Tarasov [et al.] // Физ. и техника полупроводников. - 2018. - Т. 52 : 25th International Symposium on Nanostructures - Physics and Technology (Jun 26-30, 2017, Saint Petersburg, Russia) Вып. 5.- с.523

Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Tarasov, I. A.; Тарасов, Иван Анатольевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Yakovlev, I. A.; Яковлев, Иван Александрович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund [16-42-243060, 16-42-243035]; Russian Foundation for Basic Research, Government of the Republic of Khakassia [17-42-190308]; International Symposium on Nanostructures - Physics and Technology(25th ; Jun 26-30, 2017 ; Saint Petersburg, Russia)
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Inducing magnetism in non-magnetic α-FeSi2 by distortions and/or intercalations / V. Zhandun [et al.] // Phys. Chem. Chem. Phys. - 2019. - Vol. 21, Is. 25. - P. 13835-13846, DOI 10.1039/c9cp02361e. - Cited References: 27. - The reported study was funded by the Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science to the research projects No 17-42-240212: "Quantum-mechanical simulation of the physical properties of correlated electron materials to improve their functional characteristics" and No 18-42-243019: "First-principles studies of the polarization, magnetic, electronic, and magnetoelectric properties of functional compounds with a spinel structure containing 3d and 4f ions". . - ISSN 1463-9076. - ISSN 1463-9084

РУБ Chemistry, Physical + Physics, Atomic, Molecular & Chemical
Рубрики:
TOTAL-ENERGY CALCULATIONS
WAVE
FeSi2
Аннотация: By means of hybrid ab initio + model approach we show that the lattice distortions in non-magnetic α-FeSi2 can induce a magnetic state. However, we find that the distortions required for the appearance of magnetism in non-magnetic α-FeSi2 are too large to be achieved by experimental fabrication of thin films. For this reason we suggest a novel way to introduce magnetism in α-FeSi2 using “chemical pressure” that is, intercalating the α-FeSi2 films by light elements. Theoretical study of the distortions resulting from intercalation reveals that the most efficient intercalants for formation of magnetism and a high spin polarization are lithium, phosphorus and oxygen. Investigation of the dependency of the magnetic moments and spin polarisation on the intercalation atoms concentration shows that the spin polarization remains high even at small concentrations of intercalated atoms, which is extremely important for modern silicate technology.

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Держатели документа:
Russian Acad Sci, Krasnoyarsk Sci Ctr, Fed Res Ctr, Kirensky Inst Phys,Siberian Branch, Krasnoyarsk 660036, Russia.
Kungliga Tekn Hogskolan, SE-10044 Stockholm, Sweden.

Доп.точки доступа:
Zhandun, V. S.; Жандун, Вячеслав Сергеевич; Zamkova, N. G.; Замкова, Наталья Геннадьевна; Korzhavyi, Pavel; Sandalov, I. S.; Сандалов, Игорь Семёнович; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science [17-42-240212, 18-42-243019]
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