STM investigation and manipulation of C-60 molecules adsorbed on an Si(111) surface

AW Dunn, MD Upward, Alain Nogaret, PH Beton

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We have used an ultra-high-vacuum (UHV) scanning tunnelling microscope (STM) to image molecules adsorbed on a Si(111) surface. At low coverage ( monolayers) molecules are adsorbed at random sites. For coverages close to a monolayer they are partially ordered in a hexagonal arrangement. Second- and higher-layer islands, in which the molecules are clearly resolved, are observed at higher coverage. These islands may be desorbed by annealing in the range , leaving an Si surface terminated by a monolayer. This surface is stable to exposure to air and immersion in water. In addition, recent work on manipulation of molecules at various coverages is reviewed and results relating to tip alignment in UHV are discussed.
Original languageEnglish
Pages (from-to)1563-1568
Number of pages6
JournalSemiconductor Science and Technology
Volume11
Issue number11S
DOIs
Publication statusPublished - Nov 1996

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