Pulsed laser deposition-type growth kinetics: control by moderate-sized mobile clusters

Details Pulsed laser deposition-type growth kinetics: control by moderate-sized mobile clusters Pulsed laser deposition-type growth kinetics: control by moderate-sized mobile clusters

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006njph....8..253v&link_type=abstract

New Journal of Physics, Volume 8, Issue 10, pp. 253 (2006).

Physics

6

Scientific paper

The nonequilibrium growth kinetics of pulsed laser deposition (PLD) is investigated using a realistic set of rate equations. Our results indicate that growth from a supersaturated pulsed flux of kinetically hyperthermal species is ruled by the kinetics of moderate-sized mobile clusters. On vicinal surfaces (e.g., oxide surfaces), whose high corrugations hinder large-scale diffusions at the moderate temperatures commonly used in PLD, direct impingement and transient mobility play a key role in the nucleation of such mobile clusters. Based on these insights, we propose a new description of the growth kinetics of PLD that should prove valuable in the development of oxide-based nanoscale devices.

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