Abstract
In this paper, the ground-state geometries and energies of AℓN(N⩽170) clusters have been investigated using the Gupta potential combined with the molecular dynamics simulation quenching method. The Gupta parameters have been fixed according to the experimental values of the cohesive energy and lattice parameters. For each minimum, the energy and point group (PG) have been obtained. Our optimized structures are in agreement with previous ones obtained using Murrell-Mottram potential as well as those obtained using the Glue potential. A simple relation between the ground state energy and the number of atoms has been proposed which can permit one to predict the ground state for any Aluminum cluster with a known number of atoms.
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