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Characterization of electroless nickel by esca
Date Issued
01-01-1991
Author(s)
Rajam, K. S.
Rajagopalan, S. R.
Hegde, M. S.
Viswanathan, B.
Abstract
Eiectroless nickel (EN) deposits obtained from alkaline EN baths employing citrate or glycine as complexing agents and triethanoiamine as an additive are characterized by ESCA. This study reveals that Ni and P in EN are present as Niδ+ and Pδ- species. Besides these, NiO and NiPO4 are present as surface species. They confer passivity on EN and thereby contribute to its corrosion resistance. © 1991.
Volume
27