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Unformatted text preview: for hard spheres in FCC and HCP metals. • Know coordinates, directions and planes for cubic materials. • For a given structure, know how to determine the number of lattice points per unit cell, the number of atoms per unit cell and the number of nearest neighbors in FCC and BCC metals and in systems with more than one atom per lattice point such as the cesium chloride, sodium chloride, diamond cubic, zinc blend, and fluorite structures. • What is Bragg’s Law and how is it used? • How is d-spacing measured? How is it related to the lattice parameter of a cubic material? • Know the key terms on page 104 for Chapter 3....
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- Fall '08
- Crystallography, Crystal, Crystal system, Study Guide- Chapter