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Energies for low number Miller index surfaces of β-Sn (b.c.t. structure) were computed and the (100) plane was found to have the lowest un-relaxed energy of 0.0497eV/Å 2 . We then used the Dimer method to find mechanisms and corresponding activation energies, E A , for a Sn adatom moving on a β-Sn (100) surface. After extensive dimer searches and comparison to long molecular dynamics...
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