Chen, D.; Hu, W.; Gao, F.; Deng, H.; Sun, L. - In: The European Physical Journal B - Condensed Matter and … 80 (2011) 1, pp. 31-40
Saddle point searches have been employed to investigate the migration mechanisms of W clusters on W nanoparticles, and to determine the corresponding migration energies for the possible migration paths of these clusters. The tungsten clusters containing up to four adatoms are found to prefer...