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Self-assembled patterns and strain-induced instabilities for modulated systems.

Authors
  • Asciutto, Eliana
  • Roland, Christopher
  • Sagui, Celeste
Type
Published Article
Journal
Physical review. E, Statistical, nonlinear, and soft matter physics
Publication Date
Aug 01, 2005
Volume
72
Issue
2 Pt 1
Pages
21504–21504
Identifiers
PMID: 16196570
Source
Medline
License
Unknown

Abstract

The self-assembled domain patterns of modulated systems are characteristic of a wide variety of chemical and physical systems, and are the result of competing interactions. From a technological point of view, there is considerable interest in these domain patterns, as they form suitable templates for the fabrication of nanostructures. We have analyzed the domains and instabilities that form in modulated systems, and show that a large variety of patterns--based on long-lived metastable or glassy states--may be formed as a compromise between the required equilibrium modulation period and the strain present in the system. The strain results from topologically constrained trajectories in phase space, that effectively preclude the equilibrium configuration.

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