Abstract
The electronic band structure for the tetragonal ferromagnetic compound UAuSb 2 was calculated by the full potential LMTO method. The XPS was measured on single crystals freshly cleaved under high vacuum. The calculated spectrum for the valence band compares well with the measured one. The calculated magnetic moment is significantly smaller than estimated from measurements of magnetization. The cylindrical shape of the Fermi surface is an indication of quasi-two dimensionality of the properties of UAuSb 2 related to its crystal structure having the unit cell elongated along the tetrahedral direction.
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