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Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

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Wrinkle motifs in thin films.

Zoe Budrikis¹, Alessandro L Sellerio², Zsolt Bertalan¹

¹ISI Foundation, Via Alassio 11/c, 10126 Torino, Italy.

Scientific Reports

|March 12, 2015

Summary

This summary is machine-generated.

Researchers simulated wrinkle patterns in graphene films on patterned substrates. They discovered that wrinkle pairs form in an avoiding configuration, influenced by stress and friction, a phenomenon applicable across scales.

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Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Partial adhesion between thin films and substrates creates diverse patterns like wrinkles.
These patterns are common and industrially relevant but not fully understood.

Purpose of the Study:

To investigate a previously overlooked phenomenon of 'avoiding' wrinkle pairs.
To characterize wrinkle morphology in graphene on patterned substrates.

Main Methods:

Computational simulation studies.
Controlled nucleation and growth of wrinkles.
Analysis of stress fields and substrate friction.

Main Results:

Identified a generic behavior of avoiding wrinkle pairs.
Demonstrated that wrinkle morphology depends on stress and friction.
Graphene wrinkles exhibit unique 'avoiding pair' formation.

Conclusions:

The 'avoiding wrinkle pair' phenomenon is a fundamental behavior.
Findings are applicable to thin film patterns across various scales.
Provides insights into mechanics of wrinkled 2D materials.