Resonant tunneling in a quantum step: Inverse photoemission spectroscopy of Ag/Al(100)

J. F. Veyan, P. Häberle

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Abstract

Inverse photoemission spectroscopy has been used to study the electronic structure of thin Ag layers adsorbed on Al(100). The experimental thickness dependence of the emitted photon intensities is described in terms of quantum size effects in a one-dimensional system. The quantum confinement displayed by our data originates in the reflection from a barrier-less electronic potential, at the Ag/Al interface. One of the electronic features displays a resonant tunneling behavior associated with transmission through an energy gap of the metallic thin film. © 2005 The American Physical Society.
Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
DOIs
Publication statusPublished - 15 Aug 2005

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