Solid States
Packaging Efficiency
Volum of no. of particles =
$z*\frac{4}{3}\pi r_{3}$
Packaging factor (PF) =
$\frac{Vol.~of~no~of~particles}{Vol.~of~unit~cell}$
Packaging efficiency (PF) =
$PF*100$
Relation between a & r
$SC=~a=2r$
$BC=~a=\frac{4\pi}{\sqrt{3}}$
$FC=~a=\sqrt{8r}$
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