Journal
SURFACE AND INTERFACE ANALYSIS
Volume 45, Issue 1, Pages 171-174Publisher
WILEY
DOI: 10.1002/sia.5122
Keywords
TOF-SIMS; organic depth profiling; dual beam mode; Ar clusters; C-60; Bi-n; polymers; total sputter yield
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Dual beam depth profiling was applied in order to investigate the possibilities and limitations of C-60 and Ar cluster ion sputtering for depth profiling of polymer materials. Stability and intensity of characteristic high mass molecular ion signals as well as sputter yields will be compared. For this purpose, different beam energies resulting in 2-10 eV/atom for Ar-n and 167-667 eV/atom for C-60 sputtering were applied to various polymer samples. From our experiments, we can conclude that most of the limitations C-60 sputtering suffers from could be successfully overcome and that the Ar gas cluster ion beam seems to be a more universal tool for sputtering of organic materials. Copyright (C) 2012 John Wiley & Sons, Ltd.
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