How liquid crystal are different from normal crystals?
Answers
The most important experimental differences between solid crystals and liquid crystals with three-dimensional order are suggested to be that liquid crystals with optically active molecules form twisted structures, whereas solid crystals do not, and that similar liquid crystal phases of different compounds mix in all proportions whereas solid crystal phases generally do not.
Some current models are discussed and found inadequate. A new model is proposed in which the main difference between solid crystals and liquid crystals with three-dimensional order is that in the solid crystals the alkyl chains at the ends of the molecule have very little disorder or-no disorder at all, whereas in the liquid crystals the alkyl chains are slightly different
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