GATE MT 2013 Q22. The atomic packing fraction of diamond cubic structure is __________
GATE MT 2013 Q22. The atomic packing fraction of diamond cubic structure is __________
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Correct answer is 0.34 The diamond lattice is face-centred cubic. The simplified packing fraction is 8 x (V atom) / V unit cell. After making substitutions for known volume of spheres (V = 4/3 × π × r3) and cubes( a3) and simplifying, the equation becomes √3 x π/16 with a solution of 0.3401.
Correct answer is 0.34
The diamond lattice is face-centred cubic. The simplified packing fraction is 8 x (V atom) / V unit cell. After making substitutions for known volume of spheres (V = 4/3 × π × r3) and cubes( a3) and simplifying, the equation becomes √3 x π/16 with a solution of 0.3401.
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