Crystal, electric transport properties and electronic structures of the Ti5Me1−xSb2+x series of compounds (MeCr, Mn, Fe, Co, Ni, Cu)

The Ti5Me1−xSb2+x compounds where MeCr, Mn, Fe, Co, Ni, Cu, were synthesized and their crystal structure was determined (W5Si3 structure type, space group I4/mcm). The transport properties were investigated by means of electrical resistivity and Seebeck coefficient measurements in the temperature range 80-380 K. All the investigated compounds exhibit metallic-like type of conductivity confirmed by electronic structure calculations based on Density Functional Theory.