Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4872254
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Funding
- Royal Society International Exchange Scheme [IE120884]
- Leverhulme International Network [IN-2012-136]
- EPSRC [EP/K022237/1]
- University of Ulster
- CSIRO
- Australian Research Council
- EPSRC [EP/K022237/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K022237/1] Funding Source: researchfish
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Nucleation and growth of highly crystalline silicon nanoparticles in atmospheric-pressure low-temperature microplasmas at gas temperatures well below the Si crystallization threshold and within a short (100 mu s) period of time are demonstrated and explained. The modeling reveals that collision-enhanced ion fluxes can effectively increase the heat flux on the nanoparticle surface and this heating is controlled by the ion density. It is shown that nanoparticles can be heated to temperatures above the crystallization threshold. These combined experimental and theoretical results confirm the effective heating and structure control of Si nanoparticles at atmospheric pressure and low gas temperatures. (C) 2014 AIP Publishing LLC.
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