期刊
PHYSICAL REVIEW LETTERS
卷 106, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.026802
关键词
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资金
- ERC
- TUM Institute of Advanced Studies
- Deutsche Forschungsgemeinschaft [BA 3395/2-1]
- Spanish MICINN [MAT2007-66050, FIS2010-19609-C02-01]
- EU [NMP4-SL-2008-213660-ENSEMBLE]
- Basque Departamento de Educacion, UPV/EHU [IT-366-07]
The confinement of Ag(111) surface-state electrons by self-assembled, nanoporous metal-organic networks is studied using low-temperature scanning tunneling microscopy and spectroscopy as well as electronic structure calculations. The honeycomb networks of Co metal centers and dicarbonitrile-oligophenyl linkers induce surface resonance states confined in the cavities with a tunable energy level alignment. We find that electron scattering is repulsive on the molecules and weakly attractive on Co. The tailored networks represent periodic arrays of uniform and coupled quantum dots.
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