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Publication
JES
Paper
Grazing Incidence X-Ray and Electrochemical Study of Thin Film Copper(111) on Mica
Abstract
The preparation of evaporated thin films of largely single-crystalline copper on mica substrates is reported. Most of the exposed copper surface has (111) orientation, as established by grazing incidence x-ray scattering and electrochemical studies. The (111) surface domains are on the order of 300 A in diameter and have a mosaic spread of ca. 0.1°. Underpotential deposition (UPD) shifts for Pb and T1 on these Cu(lll) films are approximately 150 and 300 mV, respectively. T1 is shown to form a UPD bilayer on this substrate. These epitaxial Cu films can be utilized in electrochemical surface/ interface studies. © 1991, The Electrochemical Society, Inc. All rights reserved.