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Vliyanie razmernykh effektov na fazovye perekhody v sistemakh s nanoobjektami
- 1.0380575 - ÚCHP 2013 RIV BY rus C - Conference Paper (international conference)
Levdansky, V.V. - Smolík, Jiří - Ždímal, Vladimír - Moravec, Pavel
Vliyanie razmernykh effektov na fazovye perekhody v sistemakh s nanoobjektami.
[Influence of Size Effects on Phase Transitions in System with Nanoobjects.]
Tezisy dokladov i soobschenii. Minsk: Institut teplo- i massoobmena A.V.Lykova NAN Belarusi, 2012, s. 637-638. ISBN 978-985-6456-82-7.
[Minskii mezhunarodnyi forum po teplo- i massoobmenu /14./. Minsk (BY), 10.09.2012-13.09.2012]
R&D Projects: GA ČR GA101/09/1633; GA AV ČR IAA200760905
Institutional support: RVO:67985858
Keywords : nanoobjects * evaporation * liquid droplet-catalyst
Subject RIV: BJ - Thermodynamics
Teoreticheski issleduetsya vliyanie razmernykh effektov na fazovye perekhody kak na poverkhnosti, tak i b objeme nanoobjektov. Sovmestnoe vlyanie ukazzanykh effektov rassmatrivaetsya na primere prizvodstva kremnievnykh nanoviskerov. Pokazano, chto razmernye effekty, vliyayuschie na protsessy ispareniya-kondensatcii atomov kremniya na poverkhnosti nanorazmernoi kapli-katalizatora (rastvor zoloto-kremnii), i razmernye effekty, proyavlyayuschiesya pri nukleatsiyu kremniya v kaple-katalizatore, deistvuyut na skorosť rosta nanoviskera v protivopolozhnykh napravleniyakh.
The influence of size effects on phase stransitions on the surface and in the volume of nanoobjects is investigated theoretically. The joint influence of mentioned effects on physicochemical processes in nanoobjects is illustrated by the example of the production of silicon nanowhiskers. It is shown that size effects affecting evaporation and condensation of silicon atoms on the surface of the nanoscale liquid droplet-catalyst (gold-silicon solution) and size effects that are manifested in silicon nucleation inside the droplet-catalyst act on the nanowhisker growth rate in opposite directions.
Permanent Link: http://hdl.handle.net/11104/0211244
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