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 | ||
Clathrate - structure showing cages as solid polyhedra | ||
Clathrate - transparent to show "guest" atoms inside cages | ||
Clathrate Cage Structure - 20 atoms in smaller cage; 24 atoms in larger |
Perovskites
Perovskite Structure | ||
CaMnO3 (Norby Structure) | ||
Double Layer Perovskite Structure | ||
Bilayer Within the Double Layer Perovskite |
Copper Sulfides
CuS | ||
CuS double layer | ||
Cu2S (Chalcocite) |
Pyrochlores
Pyrochlore | ||
Pyrochlore, A-site | ||
A-site Details | ||
Pyrochlore, B-site | ||
B-site Details |
Miscellaneous
YBCO | ||
ZrW2O8 Structure - Corner-linked WO4 tetrahedra and ZrO6 octahedra |