Theory for correlation between plasma fluctuation and fluctuation of nanoparticle growth in reactive plasmas

We propose a simple theoretical model that describes the correlation between plasma fluctuation and fluctuation of nanoparticle growth in reactive plasmas. The model predicts that the high density of nanoparticles brings about small mean size, narrow size dispersion, and sharp size slope on the larg...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 2014-01, Vol.53 (1), p.10201-1-010201-4
Main Authors: Shiratani, Masaharu, Koga, Kazunori, Kamataki, Kunihiro, Iwashita, Shinya, Uchida, Giichiro, Seo, Hyunwoong, Itagaki, Naho
Format: Article
Language:English
Subjects:
Correlation
Dispersions
Fluctuation
Mathematical models
Nanoparticles
Nanostructure
Plasma (physics)
Retarding
Tuning
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Summary:We propose a simple theoretical model that describes the correlation between plasma fluctuation and fluctuation of nanoparticle growth in reactive plasmas. The model predicts that the high density of nanoparticles brings about small mean size, narrow size dispersion, and sharp size slope on the large side of the size distribution. The model suggests some methods of tuning the size dispersion, and it also suggests that a self-limiting process is the key to markedly suppressing fluctuations in nanostructure fabrication. All predictions coincide with the experimental results reported previously. Moreover, the model suggests that plasma fluctuation induces both the linear and nonlinear responses of nanoparticle growth.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.53.010201