Copper-phthalocyanine induced reconstruction of Au(110)

被引：45

作者：

Cossaro, A

Cvetko, D

Bavdek, G

Floreano, L

Gotter, R

Morgante, A

Evangelista, F

Ruocco, A

机构：

[1] Ist Nazl Fis Mat, Lab TASC, I-34012 Trieste, Italy

[2] Univ Ljubljana, Dept Phys, Ljubljana, Slovenia

[3] Jozef Stefan Inst, Ljubljana, Slovenia

[4] Univ Trieste, Dept Phys, Trieste, Italy

[5] Univ Roma Tre, Dept Phys, I-00146 Rome, Italy

[6] INFM, Unit Roma Tre, I-00146 Rome, Italy

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2004年 / 108卷 / 38期

关键词：

D O I：

10.1021/jp049108h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The structure of ultrathin Cu-phthalocyanine (Cu-Pc) film on Au(110) has been studied by means of several diffraction tecniques: helium atom scattering (HAS), low energy electron diffraction (LEED) and grazing incidence X-ray diffraction (GIXD). HAS has been used to measure the long range order of the organic overlayer, whereas LEED at 200 eV has been used to probe the corresponding substrate reconstruction. At the monolayer coverage, the Au(110) substrate displays a reconstruction with a 3-fold periodicity along the [001] direction, whose structure has been studied by out of plane GIXD and variable polarization X-ray absorption near edge spectroscopy (XANES). We found the structure of the substrate unit cell to be an asymmetric shallow (1 x 3) reconstruction with the Cu-Pc molecules tilted by an angle of similar to32degrees from the (110) surface plane.

引用

页码：14671 / 14676

页数：6

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