Patterns of Reacted Adatoms in Adsorption of Acetonitrile on Si{111}-(7 × 7)
Hironori Mizutani,
Hyeong-Kyu Choi,
Jinwoo Park
et al.
Abstract:We report on the covalent binding of acetonitrile (CH 3 CN) on Si{111}-(7 × 7) at ∼300 K studied by scanning tunneling microscopy, thermal desorption spectroscopy, and firstprinciples theoretical calculations. The site-specific study makes it possible to unravel the site-by-site and step-by-step kinetics. A polarized CH 3 CN prefers to adsorb on the faulted half more frequently compared to on the unfaulted half. Moreover, a molecular CH 3 CN adsorbs four-times more preferably on the center adatomrest atom (CEA… Show more
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