Abstract
A photoemission study at both room temperature and at 80 K of the valence bands of the disordered alloys PdFe, PdNi, PdCo, and PtFe is presented. The Cooper-minimum effect is used to study the impurity contribution to the photoemission signal, and hence the local density of states at the impurity site. The observed differences in the photoemission signal are discussed in terms of the local exchange splitting and an attempt is presented to quantify the change in the local exchange splitting by comparison to spectra calculated with an impurity model.
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