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In silicon crystal,silicon atoms constitute fcc where 4 out of 8 T-holes are also occupied by Si atoms.calculate effective atoms in unit cell

In silicon crystal,silicon atoms constitute fcc where 4 out of 8 T-holes are also occupied by Si atoms.calculate effective atoms in unit cell

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
For FCC = > no. of atoms => (1/8)*8 + 6*(1/2) => 4
plus the tetrahedral voids => 4
Hence total no. of atoms => 4 + 4 = 8

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