First principles study on d0 half-metallic properties of full-Heusler compounds RbCa X2 ( X = C, N, and O) |
The calculated total energies as a function of the lattice constants for RbCaC2 (a), RbCaN2 (b), and RbCaO2 (c) with Hg2CuTi-type and Cu2MnAl-type structures. |