| Issue |
EPL
Volume 105, Number 5, March 2014
|
|
|---|---|---|
| Article Number | 56002 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
| DOI | https://doi.org/10.1209/0295-5075/105/56002 | |
| Published online | 14 March 2014 | |
Violation of the universal behavior of membranes inside cylindrical tubes at nanoscale
1 Applied Physics Department, State University of Campinas - Campinas-SP, Sao Paulo, Brazil
2 Laboratory of Bio-inspired & Graphene Nanomechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento - via Mesiano, 77, 38123 Trento, Italy
3 Center for Materials and Microsystems, Fondazione Bruno Kessler - via Sommarive 18, 38123 Povo (Trento), Italy
4 School of Engineering & Materials Science, Queen Mary University of London - Mile End Road, London E1 4NS, UK
Received: 10 December 2013
Accepted: 22 February 2014
Recently, it was proposed based on classical elasticity theory and experiments at macroscale, that the conformations of sheets inside cylindrical tubes present a universal behavior. A natural question is whether this behavior still holds at nanoscale. Based on molecular-dynamics simulations and analytical modeling for graphene and boron nitride membranes confined inside carbon nanotubes, we show that the class of universality observed at macroscale is violated at nanoscale. The precise origin of these discrepancies is addressed and proven to be related to both surface and atomistic effects.
PACS: 62.25.-g – Mechanical properties of nanoscale systems / 62.23.Kn – Nanosheets / 46.25.-y – Static elasticity
© EPLA, 2014
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