Homework01 - diamond-structure crystals. 2. Show that in an...

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Homework # 1 (due Thursday, 20 January) 1. The packing ratio is defined as the fraction of the total volume of the cell that is filled by atoms. Determine the maximum values of this ratio for equal spheres located at the points of simple-cubic, body-centered cubic (bcc), face-centered cubic (fcc) and
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Unformatted text preview: diamond-structure crystals. 2. Show that in an ideal hexagonal-close-packed (hcp) structure, where the atomic spheres touch each other the ratio c/a is given by c/a ≈ 1.633. 3. Solve Problem 1, Chapter 1 in the text. 4. Solve Problem 2, Chapter 1 in the text....
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