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|Title:||On the fragmentation of multiply charged sodium clusters|
Hidmi, H. I.
|Publisher:||EDP Sciences, Societa Italiana di Fisica and Springer-Verlag|
|Abstract:||The fragmentation of multiply charged atomic sodium clusters of mass 200 is investigated using
the Micro-canonical Metropolis Monte Carlo (MMMC) statistical technique for excitation energies
up to 200 eV and for cluster charges up to +9e. In this work we present caloric curves and charged
and uncharged fragment mass distributions for clusters with charges 0, 2, and 4. The caloric curves
show a dip at the critical point implying a negative specific heat, as expected for finite systems, while
the fragment mass distributions corroborate the picture of a phase transition from one dominant
liquid-like cluster to complete vaporization.|
Metal crystals - Sodium
|Appears in Collections:||Fulltext Publications|
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