Abstract
The (001) surface electronic structure of chromium is investigated within the tight-binding approximation in the non-magnetic and in the antiferromagnetic states. The paramagnetic local surface density of states shows a large peak near the middle of the d band just below the Fermi level. This peak induces a large increase of the surface magnetic moment in the antiferromagnetic state. Comparison is made with experimental results. Discussion is made of possible influences of this magnetic moment on photoemission or on LEED experiments for (001) and (110) chromium surfaces.
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