Photoemission study of Ag nanofilm grown on pseudomorphic fee Fe(1 0 0)

A. Tanaka, H. Sasaki, K. Takahashi, W. Gondo, S. Suzuki, S. Sato

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5 Citations (Scopus)

Abstract

An angle-resolved photoemission study for Ag nanofilm grown on pseudomorphic metastable-fcc-phase Fe(1 0 0) has been done in order to investigate in detail the quantized electronic structures. From the low-energy electron-diffraction and angle-resolved photoemission spectra, it is found that the present Ag nanofilms were grown in the direction of [1 1 1] on pseudomorphic fee Fe(1 0 0) substrates. The angle-resolved photoemission spectra of Ag nanofilms grown on pseudomorphic fee Fe(1 0 0) exhibit the features derived from Shockley-type surface state and additional fine-structures derived from the quantized state of Ag sp valence electron. The experimental nanofilm-thickness dependence of binding energies of these quantized states is compared with the theoretical calculation based on the phase accumulation model, taking into account the phase shifts of electron reflection at both interfaces of the Ag nanofilm. From these results, we discuss the quantized electronic structure in Ag nanofilm grown on pseudomorphic fee Fe(1 0 0).

Original languageEnglish
Pages (from-to)1995-1999
Number of pages5
JournalJournal of Physics and Chemistry of Solids
Volume60
Issue number12
DOIs
Publication statusPublished - 1999 Dec

Keywords

  • A. Metals
  • A. Nanostructures
  • B. Epitaxial growth
  • C. Photoelectron spectroscopy
  • D. Electronic structure

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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