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Title | Formation of silicon-based nanostructures by compression plasma flows |
Authors |
Petukhou, Yu.A.
Uglov, V.V. Kvasov, N.T. Punko, A.V. Doroshevich, I.L. Astashynski, V.M. Kuzmitski, A.M. |
ORCID | |
Keywords |
nanoclusters нанокластеры нанокластери silicides силіциди силициды dendrites дендриты дендрити |
Type | Conference Papers |
Date of Issue | 2011 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/20860 |
Publisher | Видавництво СумДУ |
License | |
Citation | Formation of silicon-based nanostructures by compression plasma flows [Текст] / Yu.A. Petukhou, V.V. Uglov, N.T. Kvasov et al. // Nanomaterials: applications & properties. Proceedings : 1-st International conference, Alushta, Crimea, 27-30 Semptember 2011 / Edited by: A. Pogrebnjak, T. Lyutyy, S. Protsenko. — Sumy : Sumy State University, 2011. — V.1, P.ІІ. — C. 440-447. |
Abstract |
The use of compression flows (CPF) for the formation of metal and silicide nanostructures for data storage devices, thermoelectric materials and solar cells is presented.
The action of CPF with injected metallic powder results in the formation of coatings composed of spherical clusters with complex structure: each submicron cluster (0,1-0,2 μm radius) is formed from a number of nanosized ones (10-25 nm radius). The
action of CPF on binary “metal-silicon” systems provides formation of branched silicon dendrites (tip radius ~ 200 nm, primary spacing ~ 1,2 μm); interdendritic space is filled
with nanostructured (50-100 nm) “silicide-silicon” and “monosilicide-disilicide” composite due to melting of the surface layer, rapid solidification (~ 10-3 m/s) and constitutional overcooling. Mechanisms of formation of nanostructured composites on silicon surface and in thick surface layers is discussed in terms of order parameter evolution and non-equilibrium solidification models.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/20860 |
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