Electric dipole moments and polarizabilities of single excess electron sodium fluoride clusters: Experiment and theory

  • Rayane D
  • Compagnon I
  • Antoine R
 et al. 
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In this article we present the first measurement of the electric dipole
susceptibility of one excess electron NanFn-1 clusters. The static
electronic polarizability and the permanent electric dipole of these
clusters have been calculated with a one-electron model. Experimental
values for the susceptibility are clearly related to the calculated
values of the permanent dipole. The size evolution of the dipole moments
is interpreted in terms of the interplay between the lattice and
electron properties. This study outlines that the response of the
cluster to the electric field cannot be fully understood with only
equilibrium structure calculations and that the coupling between the
permanent dipole and the vibrational motion of the cluster has to be
taken into account. (C) 2002 American Institute of Physics.

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