VIDEO-STM, LEED AND X-RAY-DIFFRACTION INVESTIGATIONS OF PTCDA ON GRAPHITE

被引：159

作者：

LUDWIG, C ^{[1
]}

GOMPF, B ^{[1
]}

GLATZ, W ^{[1
]}

PETERSEN, J ^{[1
]}

EISENMENGER, W ^{[1
]}

MOBUS, M ^{[1
]}

ZIMMERMANN, U ^{[1
]}

KARL, N ^{[1
]}

机构：

[1] UNIV STUTTGART, INST PHYS 3, W-7000 STUTTGART 80, GERMANY

来源：

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1992年 / 86卷 / 03期

关键词：

D O I：

10.1007/BF01323733

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Thin films of the organic molecule perylene-3,4,9, 10-tetracarboxylic-dianhydride ("PTCDA") on graphite (0001) have been investigated from the mono- to the multilayer regime with low energy electron diffraction (LEED), X-ray-diffraction in Bragg-Brentano geometry, and high resolution scanning tunneling microscopy (STM). These different methods proved epitaxial growth in a coincident superstructure and yielded congruent results concerning details of the crystallographic structure of the epilayer. In addition it was possible to resolve submolecular structures in high resolution STM images; a comparison of the 10 resolved maxima of the tunneling current with the molecular structure leads us to question the conventional model description of tunneling.

引用

页码：397 / 404

页数：8

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