DIFFRACTION AND VIBRATIONAL DYNAMICS OF LARGE CLUSTERS FROM HE ATOM SCATTERING

Authors
BUCK U KROHNE R SIEBERS J
Citation
U. Buck et al., DIFFRACTION AND VIBRATIONAL DYNAMICS OF LARGE CLUSTERS FROM HE ATOM SCATTERING, Zeitschrift fur Physik. D, Atoms, molecules and clusters, 26(1-4), 1993, pp. 169-171
Citations number
21
Categorie Soggetti
Physics, Atomic, Molecular & Chemical
Journal title
Zeitschrift fur Physik. D, Atoms, molecules and clusters → ACNP
ISSN journal
01787683
Volume
26
Issue
1-4
Year of publication
1993
Pages
169 - 171
Database
ISI
SICI code
0178-7683(1993)26:1-4<169:DAVDOL>2.0.ZU;2-M
Abstract
The vibrational dynamics of large Ar(n) clusters from n=30 to n=4500 i s investigated by measuring the energy loss of He atoms in a high reso lution scattering experiment. The clusters are generated by adiabatic expansion through conical nozzles and contain a distribution of cluste r sizes. The He supersonic nozzle beam provides a resolution of better than 1 meV. The results are compared with calculated spectral density functions for single cluster sizes and bulk phonon spectra.