Click on one of the links below to view a sample animation. You can also view an entire listing of the animations provided on the CD by viewing the composite listing. Note you must have Apple's Quicktime installed to view the Zinc Blende Structure and NaCl1 animations.

• Point Defects [237 KB]
This animation illustrates a series of point defects. The first four images show a vacancy, an
 interstitial, and under and over sized substitutional atoms in a metal or covalent crystal.
 
• 111 planes [156 KB]
Each of the eight members or the {111} family of planes intersects three corners of the cubic unit cell. Planes illustrated with the same color have the form (hkl) and -(hkl) and are parallel to one another.
 
• Zinc Blende Structure [2 MB]
The zinc blende structure has one type of atom/ion at the FCC positions and a second type of atom/ion at an alternating set of four of the eight tetrahedral (1/4, 1/4, 1/4 - type) positions. Note that there are four atoms / ions of each type in the unit cell so that a compound with the zinc blende structure must be of the form MX.
 
• Mixed Dislocation [168 KB]
This is an example of a mixed dislocation moving through a crystal.  A pure screw component can be seen moving from left to right on the right-front face and a pure edge component can be seen moving from right to left on the left-front face.  At all other points the dislocation has a mixed (part edge and part screw) nature.
 
• NaCl 1 [1.6 MB]
This animation shows that the NaCl structure is an FCC lattice with two atoms per lattice point.