期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.126801
关键词
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资金
- HKUST [RPC07/08.SC02]
- Hong Kong RGC [CityU 102408]
- CityU Centre for Applied Computing and Interactive Media
- French Consulate General in Hong Kong and Macau
We have fabricated atom-molecule contacts by attachment of single Cu atoms to terpyridine side groups of bis-terpyridine tetra-phenyl ethylene molecules on a Cu(111) surface. By means of scanning tunneling microscopy, spectroscopy, and density functional calculations, we have found that, due to the localization characteristics of molecular orbitals, the Cu-atom contact modifies the state localized at the terpyridine side group which is in contact with the Cu atom but does not affect the states localized at other parts of the molecule. These results illustrate the contact effects at individual orbitals and offer possibilities to manipulate orbital alignments within molecules.
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