3. Draw direction vectors in an FCC unit cell for the following cubic directions and list the position coordinates of the atoms whose centers are intersected by the direction vector. Determine the repeat distance in terms of the lattice constant in each direction. a. [111] b. [101] c. [211] d. [131] e. Find the angle between directions in (b) and (d).

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3. Draw direction vectors in an FCC unit cell for the following cubic directions and list the
position coordinates of the atoms whose centers are intersected by the direction vector.
Determine the repeat distance in terms of the lattice constant in each direction.
a. [111]
b. [101]
c. [211]
d. [131]
e. Find the angle between directions in (b) and (d).
Transcribed Image Text:3. Draw direction vectors in an FCC unit cell for the following cubic directions and list the position coordinates of the atoms whose centers are intersected by the direction vector. Determine the repeat distance in terms of the lattice constant in each direction. a. [111] b. [101] c. [211] d. [131] e. Find the angle between directions in (b) and (d).
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