Epitaxial Electrodeposition of Ag(AgO)NO onto Highly Oriented Conducting Metal Oxides in the Pb-Tl-O System

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Chemistry of Materials, ISSN: 1520-5002, Vol: 4, Issue: 6, Page: 1356-1360

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Breyfogle, Bryan E.; Phillips, Richard J.; Switzer, Jay A.
American Chemical Society (ACS)
Chemistry; Chemical Engineering; Materials Science
article description
The conducting oxy salt Ag(AgO)NO has been electrodeposited onto highly oriented conducting oxides of Tl0 and PbTl(,O. T1O was grown in a [100] texture while the mixed oxide PbTlO was grown with two different thickness-dependent textures of [110] and [210]. The orientation of the Ag(AgO)NOcrystals with respect to the substrate surface was determined by X-ray diffraction. The face-centered-cubic Ag(AgO)NO crystals deposited on body-centered-cubic T10 and face-centered-cubic Pb„TlO followed the orientation of these prelayers. However, Ag(AgO)NO electrodeposited onto polycrystalline 430 stainless steel had a nearly random orientation. The lattice mismatch is 6.6% between T1O and Ag(AgO)N0, and it is 7.8% between Ag(AgO)N0 and the doubled unit cell edge length of PbTlO. It was also found that PbTl(,O undergoes a transition from a body-centered-cubic to a face-centered-cubic Bravais lattice at a lead content (determined on a metals-only basis) of greater than 40 atom %. © 1992, American Chemical Society. All rights reserved.