Eur. Phys. J. AP
Volume 17, Number 3, March 2002
|Page(s)||173 - 178|
|Section||Organic Materials and Devices|
|Published online||15 March 2002|
Stability of wrinkling patterns: from straight-sided to worm-like structures
Laboratoire de Métallurgie Physique (UMR 6630) , SP2MI,
Bd. P. & M. Curie, 86962 Futuroscope Cedex, France
Corresponding author: firstname.lastname@example.org
Revised: 16 July 2001
Accepted: 7 December 2001
Published online: 15 March 2002
The stability of compressed thin films on substrates is discussed in the frame of the Föppl-Von Karman theory of thin plate buckling. The destabilization from pre-existing straight-sided to worm-like patterns is investigated and a critical stress is determined, above which the morphological change of the film occurs. Experimental investigations by atomic force microscopy have been also conducted and the different stages of this evolution have been characterized.
PACS: 62.20.Dc – Elasticity, elastic constants / 68.60.Bs – Mechanical and acoustical properties / 68.37.Ps – Atomic force microscopy (AFM)
© EDP Sciences, 2002
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