Quasi-one-dimensional quantized states in an epitaxial Ag film on a one-dimensional surface superstructure

Naoka Nagamura, Iwao Matsuda, Nobuhiro Miyata, Toru Hirahara, Shuji Hasegawa, Takashi Uchihashi

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

The in-plane energy dispersion of quantized states in an ultrathin Ag film formed on the one-dimensional (1D) surface superstructure Si(111)-(4 1)-In shows clear 1D anisotropy instead of the isotropic two-dimensional free-electron-like behavior expected for an isolated metal film. The present photoemission results demonstrate that an atomic layer at the film-substrate interface can regulate the dimensionality of electron motion in quantum films.

Original languageEnglish
Article number256801
JournalPhysical review letters
Volume96
Issue number25
DOIs
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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