Questions and Answers
How are particular points within a unit cell, crystallographic directions, or crystallographic planes of atoms specified?
Using three numbers or indices to designate point locations, directions, and planes
What is the basis for determining index values for point locations, directions, and planes?
The unit cell with a right-handed coordinate system
How can the position of any point located within a unit cell be specified?
In terms of its coordinates as fractional multiples of the unit cell edge lengths (i.e., in terms of a, b, and c)
What does the right-handed coordinate system used for determining index values consist of?
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In what terms can the position of a point within a unit cell be specified?
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