Abstract
High-resolution electron energy loss spectroscopy was used to investigate the electronic properties of (111)-oriented Au ultrathin films grown on Cu(111). The loss spectrum showed several features which were ascribed to both single and collective excitations. In particular we distinguished features assignable to dispersionless single-particle transitions and the dispersing electron-hole continuum as well as the ordinary and s-like surface plasmon, and the multipole surface plasmon.
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Antonio Politano has obtained the PhD in Physics at the University of Calabria (Italy) in 2008. Now he is a postdoc at Instituto Madrileño de Estudios Avanzados (IMDEA) en Nanociencia in Madrid, currently studying gas-surface interaction with helium atom scattering.
Gennaro Chiarello (Associate Professor) is a member of the staff of the SPES group (Electronic Spectroscopies of Surfaces) at the Physics Department-the University of Calabria. Their investigation includes the electronic properties of ultrathin alkali and noble-metal films, the chemical reactivity of bimetallic surfaces and alkali coadsorption systems.
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Politano, A., Chiarello, G. Electronic properties of gold thin films studied by electron energy loss spectroscopy. Gold Bull 42, 195–200 (2009). https://doi.org/10.1007/BF03214934
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DOI: https://doi.org/10.1007/BF03214934