Title: Coarsening and pearling instabilities in silver nanofractal aggregates
Authors: Lando, AurĂ©lie ×
Kebaili, N
Cahuzac, Ph
Masson, A
Brechignac, C #
Issue Date: Sep-2006
Publisher: American physical soc
Series Title: Physical review letters vol:97 issue:13 pages:1-4
Article number: 133402
Abstract: We investigate the morphological changes of 3D supported fractal aggregates generated through the deposition of silver clusters on graphite. The fractal relaxation, activated after their formation by perturbing them either by thermal annealing or by using a surfactant, as oxide molecules, carried by silver clusters in a subsequent deposition, shows evidence of two distinct fragmentation patterns. The post coarsening, driven by thermal heating, gives a broad asymmetrical distribution of fragments in agreement with a random process, whereas the entire silver fractal pearling fragmentation is driven by chemical adjunction of the surfactant.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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