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Adhesive Energy of Zinc Oxide and Graphite, Molecular Dynamics and Atomic Force Microscopy Study

Published online by Cambridge University Press:  14 December 2012

Ulises Galan  and
Henry A. Sodano
Ulises Galan*
Affiliation:
School for Engineering of Matter, Transport and Energy, Arizona State University, USA
Henry A. Sodano
Affiliation:
Department of Mechanical and Aerospace Engineering, University of Florida, USA Department of Materials Science and Engineering, University of Florida, USA
*
*Corresponding author. mgalanve@asu.edu
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Abstract

Molecular Dynamics (MD) simulations are performed to calculate the interfacial energy between zinc oxide (ZnO) and graphitic carbon for the study of solid–solid adhesion. The MD model consists of a ZnO slab and a single layer of graphitic carbon. The calculation was validated experimentally by atomic force microscopy (AFM) liftoff. A polishing process was applied to create a tip with a flat surface that was subsequently coated with a ZnO film allowing force displacement measurement on Highly Oriented Pyrolitic Graphite to validate the simulations. The MD simulation and AFM lift-off show good agreement with adhesive energies of 0.303 J/m2 and 0.261 ± 0.054 J/m2, respectively.

Keywords

ZnOalloystrengthadhesiveelastic properties
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1479: Symposium S – Nanostructured Materials and Nanotechnology—2012 , 2012 , pp. 89 - 94
Copyright
Copyright © Materials Research Society 2012

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