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Publication
Physical Review B
Paper
Comment on "superstructures of Pb monolayers electrochemically deposited on Ag(111)"
Abstract
Using scanning tunneling microscopy, a long-wavelength pattern was observed by Müller et al. [Phys. Rev. B 46, 12 899 (1992)] in Pb monolayers on Ag(111) formed by underpotential electrochemical deposition. We point out that the monolayer is incommensurate and so it should be described as having substrate-induced spatial modulations, and we also demonstrate that one can accurately calculate the long-wavelength spacing and rotation angle, which are shown to depend on electrode potential. © 1994 The American Physical Society.