Dominant factors for lattice constant of C15 or C14 type structure with binary Laves phase and difference of its contribution.

The kind and extent of the contributions of dominant factors for a lattice constant were studied concerning AB2 Laves phase intermetallic compounds with a cubic-C15 and a hexagonal-C14 type structure containing IV or V groups as A atom. It was found that the dominant factors were atomic radii, electronegativities, and valence electron numbers of A and B atoms. It was possible to replace these domi…