Journal
PHYSICS OF THE SOLID STATE
Volume 52, Issue 4, Pages 838-843Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S106378341004027X
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The binding energies and vibration frequencies of free small cobalt clusters containing up to twenty atoms inclusive have been calculated using the interatomic interaction potential obtained in the tight-binding approximation. The minimum frequency of the cluster vibrations has been shown to play the determining role in the evaluation of its dynamic stability. The analysis of the energy parameters and vibrations of clusters has demonstrated that the cobalt clusters in which the number of atoms is n = 4, 6, 13, and 19 are stable.
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