Solid-state dewetting of silver-thin films: self-assembled nano-geometries

The study presents the dynamics of solid-state dewetting of silver (Ag)-film annealed in N 2 ambient, analyzed by atomic force microscopy and scanning electron microscopy. Varying the annealing parameters (i.e. temperature and time) and Ag-film thicknesses were taken into account, to determine their...

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Bibliographic Details
Published in:IOP SciNotes 2020-12, Vol.1 (3), p.35203
Main Authors: Sultan, M T, Manolescu, A, Svavarsson, H G, Valfells, A
Format: Article
Language:English
Subjects:
AFM
nanostructures
SEM
silver
solid-state dewetting
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Summary:The study presents the dynamics of solid-state dewetting of silver (Ag)-film annealed in N 2 ambient, analyzed by atomic force microscopy and scanning electron microscopy. Varying the annealing parameters (i.e. temperature and time) and Ag-film thicknesses were taken into account, to determine their effect over the solid-state dewetting of Ag-films. Several morphological evolutions from nanohole to the presence of metastable nanorings were observed. It was determined that structures annealed at high temperature (≥900 °C) and/or time (≥2 h) results in formation of metastable nanorings and whose geometrical aspects and population grew with increasing film thickness. Possible applications of the structures for fabrication of silicon nanowire arrays and photo-emitters are briefly described.
ISSN:2633-1357
2633-1357
DOI:10.1088/2633-1357/abcea2