NDLI: Effect of the crystal face orientation and alloying with gold on the properties of thin anodic films of Ag(I) oxide: I. Photocurrent

Content Provider	Springer Nature Link
Author	Grushevskaya, S. N. Ganzha, S. V. Kudryashov, D. A. Vvedenskii, A. V.
Copyright Year	2009
Abstract	The anodic formation of nano-size anodic films of Ag(I) oxide on polycrystalline silver and Ag-Au alloys, as well as on low-index monocrystalline silver faces in 0.1 M KOH, is studied. Based on the data of photocurrent measurements, the n-kind of the oxide film conductivity is determined. Replacing the polycrystalline silver with monocrystals, as well as adding a small amount of gold atoms to its lattice (X $_{[Au]}$ <= 4 at. %), results in substantial structure ordering of the oxide due to the decrease in the deviation from the stoichiometric composition. The structure-dependent parameters of Ag(I) oxide (the optical absorption coefficient α, the concentration of donor defects N $_{D}$, the width of the spatial charge region W, and the Debye screening length L $_{D}$) are determined by the silver crystal face orientation, the gold content, and the film formation potential. At E = 0.52 V, the series of changes in these characteristics correlate with the series of reticular density. An increase in E breaks the series and increases the deviation of the composition from the stoichiometric Ag$_{2}$O composition.
Ending Page	511
Page Count	11
Starting Page	501
File Format	PDF
ISSN	20702051
e-ISSN	1608327X
Journal	Protection of Metals
Issue Number	5
Volume Number	45
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2009-09-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Tribology, Corrosion and Coatings Characterization and Evaluation of Materials Inorganic Chemistry Metallic Materials Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Surfaces, Coatings and Films Materials Chemistry Metals and Alloys

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