L4 Structures I actual

L4 Structures I - Crystalline and Non-Crystalline Structures Lecture 4 October 6 2009 Crystal = Lattice Motif Lattice = mathematical framework of

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Crystalline and Non-Crystalline Structures Lecture 4 October 6, 2009
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Crystal = Lattice + Motif Lattice = mathematical framework of identical points, defined by the lattice parameters Motif (or Basis) = the pattern that is associated with each lattice point. Will be one or more atoms, or ions, in a crystal
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a b
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Will these same lattice vectors work? a b
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All lattice points are equivalent a b
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All lattice points are equivalent a b
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All lattice points are equivalent a b
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All M.C. Escher works (c) 2006 The M.C. Escher Company - the Netherlands. All rights reserved.
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All M.C. Escher works (c) 2006 The M.C. Escher Company - the Netherlands. All rights reserved.
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Atoms touch, don’t overlap Atoms have a size, defined by their radius Bonds are non-directional bonding: what does it mean to form a bond? What types of materials can we easily think about with this model? 1) metals
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This note was uploaded on 11/28/2010 for the course MTE 209 taught by Professor Tanyafalten during the Fall '09 term at Cal Poly Pomona.

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L4 Structures I - Crystalline and Non-Crystalline Structures Lecture 4 October 6 2009 Crystal = Lattice Motif Lattice = mathematical framework of

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