Band structure and binding energy in scandium gallides

Results of calculation of band structure in scandium gallide ScGa3 (Cu3Au type) carried out by the method of linearized attached plane waves (LAPW) are presented. A simple model for calculation of scandium gallide electron binding energy based on approximation of state density of pure components and disordered alloys (with fcc-structure) by homogeneous distribution of valent electrons in rectangular s-, p- and d-bands is suggested