Volume 90, Number 1, June 2010
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||05 May 2010|
Effect of persistence of compact surface clusters during pulsed-laser deposition on submonolayer growth
Institute of Physics, Academy of Sciences of the Czech Republic - Na Slovance 2, 182 21, Praha 8, Czech Republic, EU
Corresponding author: firstname.lastname@example.org
Accepted: 6 April 2010
We study the usual temperature dependence of the island density in the submonolayer pulsed-laser deposition. We observe that the island density is enhanced in a certain interval of the temperatures due to the interplay between the cluster decay time and the interval between pulses. We find that the anomalous behaviour is caused by the temperature limited stability of the closed-compact clusters which is affected by the strength of the adatom-adatom binding. We suppose that this anomalous behaviour will be generic for systems in which adatom-adatom interaction is stronger than binding to a substrate. Such unusual feature is not observed for molecular-beam epitaxy with the same material parameters due to low concentration of small islands.
PACS: 81.15.Aa – Theory and models of film growth / 81.16.Mk – Laser–assisted deposition / 87.10.Rt – Monte Carlo simulations
© EPLA, 2010
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