First principles study on d0 half-metallic properties of full-Heusler compounds RbCa X2 ( X = C, N, and O)*
Gao Yong-Chuna)†, Wang Xiao-Tianb)‡, Habib Rozalec)
       
(a) and (b) Possible prototype structures of crystallization for the full-Heusler compounds: the Cu2MnAl-type and Hg2CuTi-type. (c) and (d) Top and side views of eleven layer surfaces of RbCa X 2: (c) X -terminated surface, and (d) Rb–Ca terminated surface.