Calculation of Stability Ranges of Charged Alkali Halide Clusters
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Date
1996-06
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Addis Ababa Universty
Abstract
The critical Coulomb explosion number, i.e., the lower bounds of particle size
required to stabilize a multiply charged alkali halide cluster against Coulomb explosion
were calculated using a simple Coulomb potential. The magnitude of the charge ranges
from 2 to 10. The influence of sign and position of the charges were assessed . The critical
Coulomb explosion number increases with increasing number of charges on the clusters.
The critical coulomb explosion number and the charge of the clusters are linearly related
with a good correlation .
The binding energies of the most tightly bound neutral isomers of (NaCl) n, n=2- 12,
were calculated using a simple Coulomb potential. The stability order of the various
isomers of a given cluster size is predicted using binding energy as a criteria. These results
are compared with other works which employ refined but computationally expensive
potential models . The agreement is good
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Keywords
Alkali Halide Clusters