Complex orientational ordering of C(60) molecules on Au(111).

Lin Tang, Yang Xie, Quanmin Guo

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The orientation and adsorption site for C(60) molecules on Au(111) has been studied using low temperature scanning tunneling microscopy. A complex orientational ordering has been observed for molecules inside the "in-phase" (R0°) domain. A 7-molecule cluster consisting a central molecule sitting atop of a gold atom and 6 tilted surrounding molecules is identified as the structural motif. The 2√3 × 2√3-R30° phase consists of molecules bonding to a gold atomic vacancies with a preferred azimuthal orientation. The quasi-periodic R14° phase is composed of groups of similarly oriented molecules with the groups organized into a 4√3 × 4√3-R30° like super-lattice unit cell.
Original languageEnglish
Pages (from-to)114702
Number of pages1
JournalJournal of Chemical Physics
Volume135
Issue number11
DOIs
Publication statusPublished - 21 Sep 2011

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