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Issue Eur. Phys. J. D
Volume 16, Number 1-3, September 2001
ISSPIC 10
Page(s) 157 - 160
Section Ultrafast Dynamics and Spectroscopy of Clusters
DOI 10.1007/s100530170081



Eur. Phys. J. D 16, 157-160 (2001)

Fluorescence spectroscopy of silver clusters formed in rare gas droplets

D. Ievlev, I. Rabin, W. Schulze and G. Ertl

Fritz-Haber-Institute der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany

rabin@fhi-berlin.mpg.de

(Received 30 November 2000)

Abstract
The Pick Up technique allows continuous formation of high density metal cluster beams in the otherwise hardly accessible size range Me2 to about Me50. With an apparatus based on the use of cryo-condensation pumps, Ar as inert gas for production of the host clusters by adiabatic expansion and silver as metal we demonstrate how the various source parameters influence the composition and mean size of the resulting cluster distributions. The analysis in the gas phase by means fluorescence spectroscopy allows to conclude that an Ar shell encapsulates the metal clusters.

PACS
36.40.Vz - Optical properties of clusters.
39.10.+j - Atomic and molecular beam sources and techniques.


© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2001


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