L6 Structures III Bb

L6 Structures III Bb - Amorphous Materials X-Ray...

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Amorphous Materials X-Ray Diffraction Ceramic Structures Lecture 6 October 13, 2009
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Learning Objectives Calculate likely CNs of cations and anions, using r/R Calculate whether a compound is likely to form a glass, using Zachariasen’s rules Determine the likely unit cell of a material, given its x-ray powder diffraction pattern Determine stoichiometry, density, APFs, CNs of all ions, given a unit cell
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Callister What is the Bravais Lattice? A. Simple Cubic B. HCP C. BCC D. FCC E. Orthorhombic iClicker Pop Quiz
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Callister How many atoms per unit cell? A. 2 B. 4 C. 8 D. 16 E. 18 iClicker Pop Quiz
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Callister What is the minimum number of atoms in the motif? A. 1 B. 2 C. 4 D. 8 E. 16 iClicker Pop Quiz
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Callister What is the Bravais Lattice? A. Simple Cubic B. HCP C. BCC D. FCC E. Orthorhombic iClicker Pop Quiz
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Callister How many atoms per unit cell? A. 2 B. 4 C. 8 D. 16 E. 18 iClicker Pop Quiz
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Callister What is the minimum number of atoms in the motif? A. 1 B. 2 C. 4 D. 8 E. 16 iClicker Pop Quiz
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Example: SiO 2 Assuming that this is an ionic structure, what is the coordination number of Si 4+ in SiO 2 ?
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Callister
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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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L6 Structures III Bb - Amorphous Materials X-Ray...

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