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What is the total number of atoms per unit cell in a face-centred cubic (fcc) structure?

What is the total number of atoms per unit cell in a face-centred cubic (fcc) structure?

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1 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student
In FCC, there are two 6 atoms present at face centres which are shared by two unit cells each.
While 8 are present at the corners of unit cell whih are shared by 8 unit cells each.
Total umber of atoms per unit shell = 1/2(6)+1/8(8) = 4

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