Synthesis, crystal structure and thermoelectric properties of the ternary skutterudite Fe2Pd2Sb12

The Fe2Pd2Sb12 compound was synthesized and structurally characterized by powder X-ray diffraction. Fe2Pd2Sb12 has the skutterudite structure, Im3¯ symmetry, unit cell parameter a = 9.2048(2) Å, Z = 8. The transport properties of the title compound were investigated. From the temperature dependencies of electrical conductivity, the Hall coefficient and the Seebeck coefficient the existence of mixed conductivity mechanism by means of electrons and holes was proposed.