From interfaces to surfaces: soft x-ray spectromicroscopy investigations of diindenoperylene thin films on gold

被引:3
作者
Casu, M. B. [1 ]
Schuster, B-E [1 ]
Biswas, I. [1 ]
Nagel, M. [1 ]
Nagel, P. [2 ]
Schuppler, S. [2 ]
Chasse, T. [1 ]
机构
[1] Univ Tubingen, Inst Phys & Theoret Chem, D-72076 Tubingen, Germany
[2] Forschungszentrum Karlsruhe, Inst Festkorperphys, D-76021 Karlsruhe, Germany
关键词
THERMAL-STABILITY; GROWTH; MORPHOLOGY; MOLECULES; AG(111); PTCDA;
D O I
10.1088/0953-8984/21/31/314017
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We present the results of photoemission electron microscopy investigations on diindenoperylene (DIP) thin films deposited on polycrystalline gold, prepared in order to have a roughness much larger than the molecular size. Our investigations revealed the ability of the DIP molecule to form well-organized films, exhibiting a different molecular orientation with respect to the already known lambda and sigma phases. In locally thicker film regions, the energy of the films is minimized by a molecular arrangement that has an asymptotic tendency to the sigma phase.
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页数:5
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