Growth of 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) on Cu(110) studied by STM

被引：13

作者：

Gabriel, M ^{[1
]}

Stöhr, M ^{[1
]}

Möller, R ^{[1
]}

机构：

[1] Univ Essen Gesamthsch, Fachbereich Phys, D-45117 Essen, Germany

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2002年 / 74卷 / 02期

关键词：

D O I：

10.1007/s003390101039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structure of thin 3,4,9,10-perylenetetracarboxylic-dianhydride (PTCDA) films on Cu(110) was studied by scanning tunnelling microscopy (STM) from submonolayer to monolayer coverage. While no long-range ordering was found after deposition at room temperature, the formation of a well-defined superstructure is observed after thermal annealing. It appears that the formation of the superstructure is driven by the interaction between the oxygen atoms of the PTCDA and the copper atoms of the substrate. While the distance between the molecules fits well to the atomic lattice of the Cu(110) surface along the [110] direction, the mismatch along the [001] direction leads to a periodic buckling normal to the surface accompanied by a restructuring of the substrate.

引用

页码：303 / 305

页数：3

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