X-ray photoelectron spectroscopy of chromium layers electroplated from oxalate-sulfate solutions

The chemical composition of chromium deposits obtained from acidic (pH 1.5 to 1.7) chromium (III) oxalate-sulfate solutions was studied with the use of x-ray photoelectron spectroscopy. From the solutions containing more than 100 g/l Cr2(SO4)3·6H2O, an amorphous carbide close to Cr23C6 with inclusio...

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Veröffentlicht in:	Protection of metals 2000-07, Vol.36 (4), p.301-305
Hauptverfasser:	Lubnin, E N, Edigaryan, A A, Polukarov, Yu M
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbides Chemical composition Chromium Chromium carbide Clusters Deposition Inclusions Photoelectron spectroscopy Photoelectrons Spectrum analysis X ray photoelectron spectroscopy X-rays
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Beschreibung
Zusammenfassung:	The chemical composition of chromium deposits obtained from acidic (pH 1.5 to 1.7) chromium (III) oxalate-sulfate solutions was studied with the use of x-ray photoelectron spectroscopy. From the solutions containing more than 100 g/l Cr2(SO4)3·6H2O, an amorphous carbide close to Cr23C6 with inclusions of metallic chromium clusters is deposited on the cathode. From less acidic solutions poorer in chromium, metallic chromium is deposited.
ISSN:	0033-1732 2070-2051 1608-327X 2070-206X
DOI:	10.1007/BF02758498