Dispersion and localization of electronic states at a ferrocene/Cu(111) interface |
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Authors: | Heinrich B W Limot L Rastei M V Iacovita C Bucher J P Djimbi Duval Mbongo Massobrio Carlo Boero Mauro |
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Institution: | Institut de Physique et Chimie des Matériaux de Strasbourg, CNRS, Université de Strasbourg, France. |
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Abstract: | Low-temperature scanning tunneling microscopy and spectroscopy combined with first-principles simulations reveal a nondissociative physisorption of ferrocene molecules on a Cu(111) surface, giving rise to ordered molecular layers. At the interface, a 2D-like electronic band is found, which shows an identical dispersion as the Cu(111) Shockley surface-state band. Subsequent deposition of Cu atoms forms charged organometallic compounds that localize interface-state electrons. |
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