(Lab04)_Closest_Packing_F10

# (Lab04)_Closest_Packing_F10 - Around each sphere there are...

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1 Closest-Packing GLY 4200 Lab 4 – Fall, 2010

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2 Hexagonal Closest-Packing (HCP) Third layer is directly over the first layer Repeat is ABABAB…
3 Cubic Closest- Packing (CCP) Third layer is distinct from the first two layers Repeat is ABCABCABC….

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4 Intralayer Voids Space between the spheres, within the layer, is a trigonal planar void A void is a space which may be occupied by a small ion, usually a cation
5 Void:Sphere Ratio Ratio of voids/spheres

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Unformatted text preview: Around each sphere there are six voids • Around each void there are three spheres • The ratio of voids/spheres is therefore 2:1 6 Interlayer Voids • Both types of packing have empty places (voids) between layers • There are two types of voids • Each has a different CN 7 Assignment • Find our what types of voids are present • Find the ratio of voids/sphere for each type • Find the ratio of the voids to one another...
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## This note was uploaded on 12/13/2010 for the course GLY 4200c taught by Professor Warburton during the Spring '10 term at FAU.

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(Lab04)_Closest_Packing_F10 - Around each sphere there are...

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