Elsevier

Surface Science

Volume 210, Issues 1–2, 2 March 1989, Pages 129-137
Surface Science

Low energy ion scattering from the Ir(110) surface: A quest for the (1 × 2) structure

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Abstract

pA study of an Ir(110) surface by ion scattering spectrometry (ISS) and low energy electron diffraction (LEED) gives evidence for a (1 × 3) reconstruction of this surface. Two modes of ISS have been used, i.e. (i) variation of the azimuthal angle with fixed primary energy (2 keV Na+), fixed angle of incidence (5°) and fixed scattering angle (40°), and (ii) variation of the angle of incidence with fixed primary energy (2 keV Na+), fixed scattering angle (115°) at different crystallographic directions. Technique (i) allows the definition of the periodicity of the surface, technique (ii) leads to the estimate of surface lattice constants.

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    ∗

    Present address: Fysisk Institute, Odense Universitet, Denmark.

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