Theoretical analysis of two-dimensional buckling patterns of thin metal-polymer bilayer on the substrate

Authors
Kwon, SJLee, HH
Issue Date
2005-09-15
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v.98, no.6
Abstract
Theoretical analysis based on a nondegenerate perturbation method is presented for two-dimensional buckling patterns of a thin metal-capped polymer bilayer on a rigid substrate. The analysis reveals that isotropic one-dimensional buckling mode has the lowest free energy, which contrasts previous work on the buckling of a thin metal film on the semi-infinitely thick polymer layer studied by Chen and Hutchinson [J. Appl. Mech. 71, 597 (2004)]. In the low stress region, however, checkerboard buckling mode has the lowest energy. Herringbone buckling mode is shown to be represented by a linear combination of the checkerboard mode and the isotropic one-dimensional mode. Disorder parameter values are given for these various two-dimensional buckling modes on the basis of an envelope function. (c) 2005 American Institute of Physics.
Keywords
SURFACE; FILMS; SURFACE; FILMS; Buckling; metal-polymer bilayer; two-dimensional; patterns
ISSN
0021-8979
URI
https://pubs.kist.re.kr/handle/201004/136135
DOI
10.1063/1.2060944
Appears in Collections:
KIST Article > 2005
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