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Adsorption structures of RuCp2 and CoCp2 precursors on the H-terminated Si(100) surface in the more favorable horizontal mode [(a) RuCp2 and (b) CoCp2] and on the NHx-terminated Si(100) surface [(c) RuCp2 and (d) CoCp2]. Si, C, and H are represented by dark yellow, black, and white spheres, respectively. Ru and Co are represented by green and orange spheres, respectively.
