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What evidence is available for considering liquid crystal state as a separate phase of matter?

What evidence is available for considering liquid crystal state as a separate phase of matter?

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Liquid crystals (LCs) are matter in a state which has properties between those of conventional liquids and those of solid crystals.For instance, a liquid crystal may flow like a liquid, but its molecules may be oriented in a crystal-like way. There are many different types of liquid-crystal phases, which can be distinguished by their different optical properties (such as birefringence). When viewed under a microscope using a polarized light source, different liquid crystal phases will appear to have distinct textures. The contrasting areas in the textures correspond to domains where the liquid-crystal molecules are oriented in different directions. Within a domain, however, the molecules are well ordered. LC materials may not always be in a liquid-crystal phase (just as water may turn into ice or steam).

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