B.N.J. Persson, A. Baratoff
Physical Review Letters
Annealed organic monolayers of dodecanethiol (CH3(CH2)11SH) self-assembled on Au(111) have been investigated by scanning tunnelling microscopy. By using very high tunnelling resistances (TO) we find evidence of well-ordered molecular domains at room temperature and observe two different types of c(4 × 2) superlattice structures with the same rectangular unit cell. In contrast to theoretical calculations each unit cell contains four inequivalent molecules. Possible reasons for this discrepancy are discussed. © 1994 IOP Publishing Ltd.
B.N.J. Persson, A. Baratoff
Physical Review Letters
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