Interaction of nitrogen and ammonia plasmas with polystyrene and polycarbonate studied by X-ray photoelectron spectroscopy, neutron activation analysis and static secondary ion mass spectrometry

Polymer ◽  
1989 ◽  
Vol 30 (1) ◽  
pp. 40-44 ◽  
Author(s):  
J. Lub ◽  
F.C.B.M. van Vroonhoven ◽  
E. Bruninx ◽  
A. Benninghoven



1994 ◽  
Vol 339 ◽  
Author(s):  
A. T. S. Wee ◽  
Z. C. Feng ◽  
H. H. Hng ◽  
K. L. Tan ◽  
C. C. Tin ◽  
...  

ABSTRACTA series of CVD-grown 3C-SiC/Si(100) films of different growth times, and hence film thicknesses, are studied by X-ray photoelectron spectroscopy (XPS) and secondary ion mass spectrometry (SIMS). XPS showed that the surfaces of the samples consist of Si oxides (SiO2 and SiOx where x < 2) and unreacted C.H. Unreacted elemental Si is also present and its amount decreases with increasing growth time. This surface overlayer is further investigated by changing the photoelectron take-off angle and from chemical etching studies. Compositional variations of the SiC films are also studied using SIMS.



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