Crystal Structures
Below are the unit cells for a number of crystals that we have studied using EXAFS. Some are given in stereo projection with an angle of -2 degrees. Cross your eyes slightly to view them in 3-D.
NSF support: DMR007186, DMR0301971
Cage Structures
| Skudderudite | ![]() |
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| Clathrate - structure showing cages as solid polyhedra | ![]() |
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| Clathrate - transparent to show "guest" atoms inside cages | ![]() |
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| Clathrate Cage Structure - 20 atoms in smaller cage; 24 atoms in larger | ![]() |
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Perovskites
| Perovskite Structure | ![]() |
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| CaMnO3 (Norby Structure) | ![]() |
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| Double Layer Perovskite Structure | ![]() |
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| Bilayer Within the Double Layer Perovskite | ![]() |
Copper Sulfides
| CuS | ![]() |
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| CuS double layer | ![]() |
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| Cu2S (Chalcocite) |
Pyrochlores
| Pyrochlore | ![]() |
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| Pyrochlore, A-site | ![]() |
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| A-site Details | ![]() |
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| Pyrochlore, B-site | ![]() |
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| B-site Details | ![]() |
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Miscellaneous
| YBCO | ![]() |
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| ZrW2O8 Structure - Corner-linked WO4 tetrahedra and ZrO6 octahedra | ![]() |
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