PHZ3400 Crystals: Difference between revisions
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==Quasi-crysals== | ==Quasi-crysals== | ||
PC software to build your own Penrose tile can be downloaded from [http://condellpark.com/kd/quasig.htm this link]. | |||
===Brain twisters=== | ===Brain twisters=== | ||
An interesting link to examples of five-fold symmetry, and the relation to the "Golden Mean" can be found [http://www.goldenmuseum.com/ here]. | An interesting link to examples of five-fold symmetry, and the relation to the "Golden Mean" can be found [http://www.goldenmuseum.com/ here]. | ||
Revision as of 14:52, 8 February 2009
Crystal lettices
"Habit" of crystals
Lattice, basis, unit cell
Primitive cell, Wigner-Seitz cell
Examples of crystal lattices
Miller indices
Quasi-crysals
PC software to build your own Penrose tile can be downloaded from this link.
Brain twisters
An interesting link to examples of five-fold symmetry, and the relation to the "Golden Mean" can be found here.
The emergence of the Golden Mean in the route to chaos of the "circle map" can be found in detailed lectures on chaos by Mike Cross (Caltech).