A LEED study of surface relaxation in Fe(110) epitaxial film on W(110)

•Quantitative LEED analysis of epitaxial Fe(110) film on W(110).•Surface relaxation in 20-ML Fe/W(110) markedly different from those at the bulk Fe(110) surface.•A strong anisotropic character of the surface vibrations for epitaxial Fe(110) films has been point out. The near-surface structural prope...

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Veröffentlicht in:	Applied surface science 2013-12, Vol.286, p.66-70
Hauptverfasser:	Rybicki, M., Zasada, I., Freindl, K., Spiridis, N., Korecki, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Epitaxial films Epitaxy Exact sciences and technology Iron Low energy electron diffraction Physics Quantitative LEED Tungsten
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Zusammenfassung:	•Quantitative LEED analysis of epitaxial Fe(110) film on W(110).•Surface relaxation in 20-ML Fe/W(110) markedly different from those at the bulk Fe(110) surface.•A strong anisotropic character of the surface vibrations for epitaxial Fe(110) films has been point out. The near-surface structural properties of epitaxial Fe(110) films on W(110) were studied using quantitative low-energy electron diffraction analysis. A discernible, up to 1%, relaxation of the outermost atomic layers was found, in contrast to the bulk Fe(110) surface, which shows almost no relaxation.
ISSN:	0169-4332 1873-5584
DOI:	10.1016/j.apsusc.2013.09.015