Question

Among the cubic lattices in the (001) plane, the BCC lattice has the minimal areat density a. True b. False

Answer 1

Answer:

The BCC unit cell consists of a net total of two atoms, the one in the center and eight eighths from the corners. In the FCC arrangement, again there are eight atoms at corners of the unit cell and one atom centered in each of the faces. The atom in the face is shared with the adjacent cell.