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Lecture 3 - 8th Ed. Ch. 3

Lecture 3 - 8th Ed. Ch. 3 - Chapter 3 The Structure of...

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1 Chapter 3 The Structure of Crystalline Solids
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2 ISSUES TO ADDRESS... How do atoms assemble into solid structures? (for now, focus on metals) How does the density of a material depend on its structure? When do material properties vary with the orientation in a crystal? (Isotropic vs. anisotropic)? The Structure of Crystalline Solids
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3 Non dense, random packing Dense, ordered packing Dense, ordered packed structures tend to have lower energies, i.e. thermodynamically more stable Energy and Packing Energy r typical neighbor bond length typical neighbor bond energy Energy r typical neighbor bond length typical neighbor bond energy
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