Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Auger depth profiling and preferential sputtering of platinum nickel silicide

Journal Article · · J. Vac. Sci. Technol., A; (United States)
DOI:https://doi.org/10.1116/1.571906· OSTI ID:5758576
Auger depth profiling measurements are presented of platinum nickel silicide films grown on n-Si and on n/sup +/-Si by annealing a sputter-deposited Pt/sub 0.4/Ni/sub 0.6/ alloy layer at 500 /sup 0/C for 20 min in N/sub 2/. Quantification of the profiles is achieved by calibration with standards. The silicide composition varies with depth and at the interface is Pt/sub x/Ni/sub 1-x/Si with x<<1. Also, total sputtering yields and preferential sputtering coefficients are given for 2 keV, 45/sup 0/, Ar/sup +/ bombardment of the elements and their binary and ternary silicides. The amount of preferential sputtering is practically independent of projectile energy (0.5--5 keV) and of substituting Xe/sup +/ for Ar/sup +/. However, its variation with composition complicates the quantitative analysis of nickel.
Research Organization:
Philips Research Laboratories, Sunnyvale, Signetics Corporation, Sunnyvale, California 94086
OSTI ID:
5758576
Journal Information:
J. Vac. Sci. Technol., A; (United States), Journal Name: J. Vac. Sci. Technol., A; (United States) Vol. 1:2; ISSN JVTAD
Country of Publication:
United States
Language:
English