Self-assembly of meta-aminobenzoate on Cu(110)

Caroline Rabot, Masafumi Hori, Satoshi Katano, Yousoo Kim, Maki Kawai

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A variety of structures of meta-aminobenzoate molecules adsorbed on the Cu(110) surface have been characterized by scanning tunneling microscopy (STM) at a wide range of surface coverages, from a single molecule to saturated phases. At the start of molecular domain formation, individual molecules thermally diffuse to form chain structures via intermolecular hydrogen bonding. At higher surface coverages, there coexist three well-ordered phases, namely (12/0 0/6) and chiral (6/±3 ±5/6) phases. The molecular orientation on the surface also varies with surface coverage. Flat-lying molecules are mainly observed at low surface coverage, while upright molecules start to appear as the surface becomes more highly covered. Our experimental findings and structural analysis are well supported by high-resolution STM images measured at 4.7 K and by molecular packing models with precise lattice parameters.

Original languageEnglish
Pages (from-to)5504-5508
Number of pages5
JournalLangmuir
Volume25
Issue number10
DOIs
Publication statusPublished - 2009 May 19
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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