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Nanoscale element behavior in a continuum SCIE SCOPUS

Title
Nanoscale element behavior in a continuum
Authors
Ahn, SungsookLee, Sang Joon
Date Issued
2020-07
Publisher
INT UNION CRYSTALLOGRAPHY
Abstract
Patterns in materials are not just decoration but also important for function. In view of this, the dynamics of patterning procedures in materials has been investigated as an important developmental procedure. In this study, nanoscale components in a continuum are traced in terms of natural patterning procedures. Externally applied compressive or extensive forces to an elastic thin sheet commonly induce an orientated lateral line pattern. From a nanoscale element point of view, the dynamics of natural arrangements, forming anisotropic patterns in preference to isotropy, still remains unclear. In this study, new developmental procedures for line patterns are suggested by stimuli-responsive viscoelastic nanocomposite network model systems. Forces originating from an internal source without directional orientation generate lines in preference to isotropic patterns. With repeated, non-oriented (or isotropic) and self-modulated strain variations, stress is accumulated to drive anisotropic orientations and further lines. The anisotropic elemental arrangement is justified by the equilibrium between the short-range attraction and long-range repulsion from a bottom-up viewpoint. This study suggests a new material design methodology that is useful for electrical devices, biomedical devices and other patterned soft condensed matter in conjunction with line patterns typically generated in a broad range of viscoelastic materials.
URI
https://oasis.postech.ac.kr/handle/2014.oak/107870
DOI
10.1107/S1600577520006682
ISSN
0909-0495
Article Type
Article
Citation
JOURNAL OF SYNCHROTRON RADIATION, vol. 27, page. 1033 - 1041, 2020-07
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이상준LEE, SANG JOON
Dept of Mechanical Enginrg
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