期刊
SURFACE SCIENCE
卷 487, 期 1-3, 页码 L534-L540出版社
ELSEVIER
DOI: 10.1016/S0039-6028(01)01156-6
关键词
molecular beam epitaxy; scanning tunneling microscopy; diffusion and migration; growth; self-assembly; graphite; aromatics
Monolayers of zinc-phthalocyanine deposited on highly oriented pyrolytic graphite (HOPG) substrate have been investigated by scanning tunneling microscopy. At the coverage of 1 ML, ZnPc layers show stripes with twined domains along threefold symmetry. The separations between the stripe lines are 6 nm and the heights of the monolayers are 1.2 nm. This structure can be explained by a corresponding superstructure for monolayered beta -form ZnPc crystals with the Ir-stacking in parallel to the HOPG surface. (C) 2001 Elsevier Science B.V. All rights reserved.
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