STM observation of restructured Cu(001) surfaces induced by Li deposition

Seigi Mizuno, Hiroshi Tochihara, Yuji Matsumoto, Ken Ichi Tanaka

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We have studied the (2 × 1), (3 × 3) and (4 × 4) structures formed on Cu(001) with increasing Li coverage at 300 K using scanning tunneling microscope (STM). The STM images of the three phases support the previously determined structures by low-energy electron diffraction analysis. Details of the STM images of the (4 × 4) structure are discussed on the basis of the determined structure. A cluster of four Li adatoms on a small island of nine Cu atoms is observed as a single protrusion and the protrusions form the (4 × 4) lattice. We found migration of vacancies and domain boundaries. On the whole, however, the (4 × 4) structure is stable at 300 K on terraces.

Original languageEnglish
JournalSurface Science
Volume393
Issue number1-3
DOIs
Publication statusPublished - Dec 10 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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