Structural and photoemission studies of some transition metal intercalates of NbS₂

Abstract

Photoemission studies using incident photon energies of 21.2 eV and 40.8 eV have been performed on the first row transition metal intercalates, Mn0.26NbS2, Fe0.33NbS2, Co0.32NbS2 and Ni0.34NbS2. The valence band densities of states show a systematic broadening of the d conduction band due to charge transfer and suggest that a rigid band model approach to intercalation is a valid first approximation. Structural data, derived from electron and X-ray diffraction studies are also included.