The Structure of Crystalline Solids - The Face-Centered Cubic Crystal Structure

5 important questions on The Structure of Crystalline Solids - The Face-Centered Cubic Crystal Structure

How many atoms are in a face-centered cubic crystal unit cell?

Within an FCC unit cell are 6 half atoms and 8 eighth atoms which makes a total of 4 atoms.

Waar staat FCC voor?

Face-centered cubic

What is the formula for number of atoms per unit cell?


Ni = the number of interior atoms
Nf = the number of face atoms
Nc = the number of corner atoms
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What is the coordination number of an FCC metal?

12

What is the APF for a FCC crystal?

0.74, this is the maximum packing factor, assuming an hard sphere model, when all atoms have the same diameter.

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