Abstract
Ab-initio calculations of local magnetic moments in ordered and disordered intermetallic compounds based on the local spin density approximation and the tight-binding LMTO method in the atomic sphere approximation are presented. Special emphasis is put on the question whether the local moments in disordered systems develop continuously with alloy composition or discontinuously depending on the nearest-neighbour configuration, as suggested by Jaccarino and Walker. Results for the ordered compound Y 2Fe 17 and for disordered alloys (Nd 1− x Mo x ) with Fe as well as Fe x Rh 1− x are discussed.
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