https://doi.org/10.1007/s100530050290
Optical spectra and their moments for sodium clusters, Nan+, with 3 ≤ n ≤ 64
Fakultät für Physik, Universität Freiburg, H. Herderstr. 3,
D-79104 Freiburg, Germany
Received:
19
October
1998
Revised:
15
December
1998
Published online: 15 April 1999
Photoabsorption cross-sections for all sodium cluster ions,
, with 
, have been measured at a temperature of
about 105 K. The size dependence of the peak positions and widths
is discussed. Triaxial deformations are unequivocally observed. The
moments of the optical response are calculated from the data and
their size dependence discussed. The width of the plasmon peak is
not understood.
PACS: 36.40.Gk – Plasma and collective effects in clusters / 36.40.Mr – Spectroscopy and geometrical structure of clusters
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 1999
