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Issue 28, 2017
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Effect of physisorption of inert organic molecules on Au(111) surface electronic states

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Abstract

The modification of the Au(111) Shockley surface state (SS) by an n-alkane molecule (n-tetratetracontane) monolayer was observed by angle-resolved ultraviolet photoemission spectroscopy. Although there is little chance of chemical interaction in this ideal physisorption system, the volume of the Fermi surface of the SS was significantly reduced accompanied by the formation of large interface electric dipoles. Moreover, Rashba splitting of the SS by spin–orbit interactions was slightly increased upon n-tetratetracontane adsorption, which arose from the decrease in the symmetry of the wave function around the Au nuclei at the surface. The detailed information about the simple physisorption system presented in this paper provides basic knowledge for understanding the electronic structure at the interface between other organic molecules and metal substrates.

Graphical abstract: Effect of physisorption of inert organic molecules on Au(111) surface electronic states

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Publication details

The article was received on 16 May 2017, accepted on 27 Jun 2017 and first published on 27 Jun 2017


Article type: Paper
DOI: 10.1039/C7CP04232A
Citation: Phys. Chem. Chem. Phys., 2017,19, 18646-18651
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    Effect of physisorption of inert organic molecules on Au(111) surface electronic states

    H. Mizushima, H. Koike, K. Kuroda, Y. Ishida, M. Nakayama, K. Mase, T. Kondo, S. Shin and K. Kanai, Phys. Chem. Chem. Phys., 2017, 19, 18646
    DOI: 10.1039/C7CP04232A

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