CaMnFeO5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 7-coordinate geometry to eight
Cards made in accordance with the invention include a specially treated thin decorative layer attached to a thick core layer of metal or ceramic material， where the thin decorative layer is designed t
Na2SnSiCO7 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances
