Band structure of face-centered and body-centered-cubic3dtransition metals

Abstract

Measurements of the soft-x-ray $M_{2,3}$ emission spectra of face-centered Fe and Co, and body-centered Fe, Cr, and V are reported and $M_3$ single-hole excitation profiles are estimated. $3d$ bandwidths inferred from these results and earlier data on Cu and Ni are compared with band-theory predictions. As has been seen previously with x-ray and ultraviolet photoemission, the experimental Ni bandwidth is markedly narrower than theory predicts; there is a suggestion that the bandwidth of Cu is somewhat broader; theory and the present results are in fair agreement for the other metals. Fine structure is seen in the spectra; correlations are noted in the weak structure of metals of common crystal structure; and structural correlations with x-ray and ultraviolet photoemission data are seen as well.