XPS studies of the ageing of plasma-trea
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Paynter, R. W.
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Article
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2000
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John Wiley and Sons
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English
β 149 KB
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Polystyrene and polyethyleneterephthalate (PET) coupons were exposed to r.f. plasmas containing helium, oxygen and nitrogen. The modified surfaces were characterized by x-ray photoelectron spectroscopy shortly following plasma treatment and after storage in air for about 360 days. The oxygen concent