| Issue |
Eur. Phys. J. AP
Volume 19, Number 2, August 2002
|
|
|---|---|---|
| Page(s) | 83 - 87 | |
| Section | Organic Materials and Devices | |
| DOI | https://doi.org/10.1051/epjap:2002052 | |
| Published online | 24 July 2002 | |
https://doi.org/10.1051/epjap:2002052
Tuning growth from clusters to continuous ultrathin films: Experiments and molecular dynamics simulations of Pd plasma sputter deposition
1
Groupe de Recherches sur l'Énergétique des Milieux Ionisés,
(UMR 6606 CNRS) Université d'Orléans, BP 6744, 45067 Orléans Cedex 2, France
2
Centre de Recherche sur la Matière Divisée, (UMR 6619
CNRS) Université d'Orléans, 45071 Orléans Cedex 2, France
Corresponding author: Pascal.Brault@univ-orleans.fr
Received:
18
December
2001
Revised:
13
June
2002
Accepted:
13
June
2002
Published online:
24
July
2002
Plasma sputter deposition experiments and simple molecular dynamics calculations are performed for highlighting the effects of plasma ions and kinetic energy of palladium atoms on the morphology of thin films. A transition between cluster and continuous film growth is observed. It is attributed to the kinetic energy of the depositing sputtered palladium atoms and to high binding energy trapping sites resulting from the effects of ions incident on the surface during deposition. These high binding energy trapping sites act as additional nucleation centres that are allowed to be visited by the diffusing Pd atoms.
PACS: 81.15.Cd – Deposition by sputtering / 68.55.Ac – Nucleation and growth: microscopic aspects / 31.15.Qg – Molecular dynamics and other numerical methods
© EDP Sciences, 2002
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