Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 6, Issue 3, Pages 395-400Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz5026118
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Funding
- Agence Nationale de la Recherche [ANR-13-BS10-0016]
- Spanish MINECO [MAT2012-38318- C03-02]
- FEDER Funds from the European Union
- CONICET
- Severo Ochoa Program (MINECO) [SEV-2013-0295]
- Agence Nationale de la Recherche (ANR) [ANR-13-BS10-0016] Funding Source: Agence Nationale de la Recherche (ANR)
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Metallocene (MCp2) wires have recently attracted considerable interest in relation to molecular spintronics due to predictions concerning their half-metallic nature. This exciting prospect is however hampered by the little and often-contradictory knowledge we have concerning the metallocene self-assembly and interaction with a metal. Here, we elucidate these aspects by focusing on the adsorption of ferrocene on Cu(111) and Cu(100). Combining low-temperature scanning tunneling microscopy and density functional theory calculations, we demonstrate that the two-dimensional molecular arrangement consists of vertical- and horizontal-lying molecules. The noncovalent T-shaped interactions between Cp rings of vertical and horizontal molecules are essential for the stability of the physisorbed molecular layer. These results provide a fresh insight into ferrocene adsorption on surfaces and may serve as an archetypal reference for future work with this important variety of organometallic molecules.
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