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the packing fraction of hcp in two dimension is?

the packing fraction of hcp in two dimension is?

Grade:

1 Answers

G Narayana Raju
51 Points
9 years ago

the total no of atoms in hcp is 6.

the volume of the unit cell=6x(1.723/4)(2r)2x4r(1.414/1.723).

volume covered by the 6 atoms =6(4/3)xpixr3.

packing fraction=(volume covered by the atoms)/(volume of the unit cell)

                      =0.74(approx).

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