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Author(s):
Rottgen, Martin A.; Judai, Ken; Antonietti, Jean-Marie; Heiz, Ueli; Rauschenbach, Stephan; Kern, Klaus 
Title:
Conical octopole ion guide: Design, focusing, and its application to the deposition of low energetic clusters 
Abstract:
A design of a radiofrequency (rf) octopole ion guide with truncated conical rods arranged in a conical geometry is presented. The performance is tested in a cluster deposition app. used for the soft-landing of size-selected clusters on well-characterized substrates used as a model system in heterogeneous catalysis in ultrahigh vacuum. This device allows the authors to focus 500 pA of a mass-selected Ni20+ cluster ion beam from 9 mm down to a spot size of 2 mm in diam. The transmittance is 70 
Keywords:
Cluster ions Instrumentation Ion beams Simulation and Modeling (conical octopole ion guide: design, focusing, and its application to the deposition of low energetic clusters) Ions (guides conical octopole ion guide: design, focusing, and its application to the deposition of low energetic clusters) Lenses (octopole conical octopole ion guide: design, focusing, and its application to the deposition of low energetic clusters) conical octopole guide design focusing deposition energetic cluster 
Congress title:
CAN 144:378597 73-11 Optical, Electron, and Mass Spectroscopy and Other Related Properties Lehrstuhl fur Physikalische Chemie 1, Technical University of Munich, Garching, Germany. Journal 0034-6748 862272-60-4 Role: PRP (Properties) (conical octopole ion guide: design, focusing, and its application to the deposition of low energetic clusters) 
Journal title:
Rev. Sci. Instrum. 
Year:
2006 
Journal volume:
77 
Journal issue:
Pages contribution:
013302/1-013302/6