Abstract
The local densities of states of TLxZr1-x(x approximately 0.3) metallic glasses, where TL is Co, Ni, Rh or Pd, have been investigated by soft X-ray emission spectroscopy. Unlike the local Rh and Pd 4d states which overlap the part of the Zr 4d band with high binding energy, the Co and Ni 3d states are centred on the Zr 4d states. The contribution to the density of states at the Fermi level from the TL elements is more pronounced for the 3d than for the 4d elements. The results are discussed in relation to density of states calculations on disordered and ordered alloys. Particularly good agreement is obtained with density of states calculations performed for ordered structures, indicating the dominant effect of chemical short-range order.
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