uu.Crystal structure is the real arrangement of atom in crystals Crystal structure Crystal structure Space lattice+BasisSpace lattice+Basis or structure unit or structure unit2.3 Crystal Structure and Complex Lattice第1页/共27页+=第2页/共27页Fe:Al=1:1Fe:Al=1:1FeFeAl AlThe difference between space lattice and crystal structure 第3页/共27页23 atoms/cell第4页/共27页1.BCC 1.BCC Example:-Fe,V,Nb,Ta,Cr,Mo,W,alkali metals n=2 atoms/cell CN=8 The number of nearest neighbours around each atom is called Coordination Numb
