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  • Need clarity, kindly explain! In BCC structure , if atoms along a face diagonal are missing then how many atoms are remaining in one unit cell

In BCC structure , if atoms along a face diagonal are missing then how many atoms are remaining in one unit cell

  • Option 1)

    1.25

  • Option 2)

    1.50

  • Option 3)

    1.75

  • Option 4)

    1

 

Answers (1)

Number of atoms in BCC unit cell = 2

Number of atoms are missing = 2\times \frac{1}{8}=\frac{1}{4}=0.25

Number of atoms remaining = 2-0.25=1.75

 

z for body centered unit cell -

Lattice points: at corners and body center of unit cell.

For body centered cubic (BCC), z=2

- wherein

 

 


Option 1)

1.25

This is incorrect

Option 2)

1.50

This is incorrect

Option 3)

1.75

This is correct

Option 4)

1

This is incorrect

Posted by

subam

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