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The structures formed by sulfur adsorbed on the Rh(111) surface have been studied with Auger electron spectroscopy (AES), low-energy electron diffraction (LEED) and scanning tunneling microscopy (STM). Five differently ordered overlayer structures were observed to form as a function of coverage. These are: ([radic ]3 [times ] [radic ]3)R30[deg ], c([radic ]3 [times ] 7)rect, c(4 [times ] 2), (4...
Detailed surface structures have been determined for three ordered sulfur overlayers and one ordered carbon overlayer on Mo(100), by automated tenser low-energy electron diffraction (LEED). The three ordered sulfur structures occur at 0.5, 0.67 and 0.75 monolayers (ML) and have c(2 x 2), c(3 √2 x √2)R45° and c(4 x 2) periodicities with one, two and three atoms per unit cell, respectively, while the...
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