The number of octahedral voids in a BCC struc | vedclass

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(A) In a $BCC$ (Body-Centered Cubic) unit cell,the octahedral voids are located at the centers of the faces and the centers of the edges.There are $6$

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$6$

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(A) In a $BCC$ (Body-Centered Cubic) unit cell,the octahedral voids are located at the centers of the faces and the centers of the edges.There are $6$ face centers,each shared by $2$ unit cells,contributing $6 	imes \frac{1}{2} = 3$ voids.There are $12$ edge centers,each shared by $4$ unit cells,contributing $12 	imes \frac{1}{4} = 3$ voids.Total number of octahedral voids $= 3 + 3 = 6$.

The number of octahedral voids in a $BCC$ structure is:

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