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With the help of a labelled diagram show that there are four octahedral voids per unit cell in a cubic close packed structure.
Answers (1)
In ccp, one octahedral void is present at the centre of body surrounded by six atoms at the centre of respective face.
Where Nc=Number of atoms at corner
Nf=Number of atoms at face centre
=Nc*contribution+Nf*contribution
Position of octahedral voids=Edge centre and body centre
Number of octahedral voids per unit cell in cubic close packing=
Number of octahedral voids=4
View full answer
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