Journal
APPLIED SURFACE SCIENCE
Volume 243, Issue 1-4, Pages 1-6Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2004.09.100
Keywords
noble metals; grain boundary energy; MAEAM; calculation
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With modified analytical embedded atom method (MAEAM), the energies of twist grain boundaries (GBs) have been calculated for three noble metals, Cu, Ag and An with the same FCC structure. The results are similar for all the three metals: (1) the unrelaxed energies keep almost constant with twist angles theta; (2) after expansion perpendicular to the boundary, GB energies drop significantly to less than one-third of their surface energies respectively; (3) in-boundary translation results in periodic energy variation with the period of L-Sigma/Sigma, but the energy variation is slight. (c) 2004 Elsevier B.V. All rights reserved.
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