The atomic structure of Fe(110)
- 10 July 1980
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 13 (19) , 3801-3808
- https://doi.org/10.1088/0022-3719/13/19/021
Abstract
A detailed low-energy electron diffraction analysis of a clean Fe(110) surface is described. The experimental data base consists of intensity-versus-energy curves (spectra) at 5 directions of incidence with a total of 34 spectra at energies up to 210 eV. A statistical analysis carried out with the reliability factor (r-factor) of Zanazzi and Jona (1977) gave a first interlayer spacing d12=2.04+or-0.04 AA (95% confidence interval, the bulk value is 2.03 AA), and an (energy-independent) inner potential, V0=11.5+or-0.4 eV, with an overall r-factor of 0.10. The effects of using an approximate procedure to vary V0, a rigid translation along the energy axis, are compared with exact calculations.Keywords
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