X-ray band spectra and electronic structure of carbides and nitrides of zirconium,niobium and molybdenium

The L- and M-emission spectra of Zr, Mb and Mo carbides and nitrides have been studied. The spectra were excited by primary techniques, it is concluded that the valence bands of these carbides and nitrides consist of two sub-bands: a sub-band of states which participate in covalent bonds and a sub-band of states which share in the formation of metallic bonding and account for the metallic properties of these phases.