Plume propagation through a buffer gas and cluster size prediction

A mixed-propagation picture for the expansion of an ablation plume through a buffer gas at different pressures is proposed after a brief discussion of the available analytical expansion models. Using parameter values deduced by the model the size of carbon clusters formed during plume propagation in...

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Bibliographic Details
Published in:Applied surface science 2007-07, Vol.253 (19), p.7682-7685
Main Authors: Bailini, A., Ossi, P.M., Rivolta, A.
Format: Article
Language:English
Subjects:
Carbon
Cluster synthesis
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Physics
Plume expansion
Pulsed laser deposition
Silver
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Summary:A mixed-propagation picture for the expansion of an ablation plume through a buffer gas at different pressures is proposed after a brief discussion of the available analytical expansion models. Using parameter values deduced by the model the size of carbon clusters formed during plume propagation in helium is evaluated and compared with experimental data. Starting from experiments on silver plume propagation through molecular oxygen the size of silver clusters is predicted.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2007.02.038