Page 154 - MATERIAL SCIENCE AND ENGINEERING PART 1

Crystal structure 1 2 3 4
4

Hexagonal Number of atoms per unit cell

close-packed = lattice points/ unit cell

= 12 atoms in corners  (1/6)

+ 2 faces  (1/2) + 3 body centre (1)

= 6

138
Source: Jr., W. D. C. & Rethwisch, D. G. 2015

Politeknik Ibrahim Sultan