期刊
NANO LETTERS
卷 10, 期 7, 页码 2475-2479出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl100834v
关键词
Scanning tunneling microscopy (STM); scanning tunneling spectroscopy (STS); ultrathin insulating films; metal-ligand complexes; spin-split delocalized orbitals
类别
资金
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO) [700 56 423, 680 50 0907]
- Academy of Finland
- Volkswagen Foundation
We present scanning tunneling microscopy (STM)-based single-molecule synthesis of linear metal-ligand complexes starting from individual metal atoms (iron or nickel) and organic molecules (9,10-dicyanoanthracene) deposited on an ultrathin insulating film We directly visualize the frontier molecular orbitals by STM orbital imaging, from which, in conjunction with detailed density functional theory calculations, the electronic structure of the complexes is inferred Our studies show how the order of the molecular orbitals and the spin-state of the complex can be engineered through the choice of the metal atom The high-spin iron complex has a singly occupied delocalized orbital with a large spin-splitting that points to the use of these engineered complexes as modular building blocks in molecular spintronics
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