Deformation of octahedra at LaB6(100) surface studied by HREELS

T. Nagao*, T. Kitamura, T. Iizuka, M. Umeuchi, C. Oshima, S. Otani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


The surface phonons of LaB6(100) surface have been investigated by means of high resolution electron energy spectroscopy. On the clean surface we have observed 8 loss peaks in the off-specular spectra, of which the higher energy losses are related to the vibrations of the three-dimensional network of boron. Theoretical analysis based on a force constant model strongly suggests the deformation of the three-dimensional network of boron; the topmost octahedra are expanded by ∼ 0.004 nm parallel to the surface.

Original languageEnglish
Pages (from-to)391-395
Number of pages5
JournalSurface Science
Issue numberPART 1
Publication statusPublished - 1993 May 10

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces


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