Videos 2.4 & 3.3
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Concept development
5 common Miller planes
Identify the Miller indicies for the planes shown.
When multiple planes are drawn, recall that each plane can be translated by a unit cell vector. If you get a divide by zero, consider an equivalent plane that doesn't cause that error.
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Surface chemistry and Miller indices
The image above shows a cross-section through a simple cubic crystal (looking down the third axis). The surface of the crystal has 3 distinct facets, denoted by a, b, and c.
If you were a gas molecule impinging on a, b or c, would you see a different arrangement of atoms at the surface? Why or why not?
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Define a 3D unit cell and then provide the Miller indices of a, b, and c.
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Reciprocal space and G
Recall G is a reflection of the periodicity of the sample. If I rotate the sample, what happens to reciprocal space?
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Reciprocal space and G
What's so special about the condition delta k = G? (where G is a reciprocal lattice vector)
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