Local spectroscopy of two-dimensional states in Na films on Cu(111)

J. Kliewer, R. Berndt

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Alkali overlayers on noble metal surfaces exhibit two-dimensional electronic states. We investigated the electronic structure of Na on Cu(111) at T = 5 K with scanning tunneling spectroscopy. In agreement with photoelectron spectroscopy we found two electronic bands close to the Fermi energy which correspond to quantum well states (QWS). In second monolayer islands, confinement of the QWS was observed.

Original languageEnglish (US)
Pages (from-to)S155-S157
JournalApplied Physics A: Materials Science and Processing
Volume72
Issue number8
DOIs
StatePublished - 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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