Glossary

Liquid Crystal Transitions

Liquid crystals are substances that exhibit a phase of matter that has properties somewhere between those of a conventional liquid and those of a solid crystal. 

For instance, a liquid crystal (LC-Liquid crystal) may flow like a liquid, but have the molecules in the liquid arranged and/or oriented in a crystal-like way.

As an example of such Phase TransitionsThe term phase transition (or phase change) is most commonly used to describe transitions between the solid, liquid and gaseous states.phase transitions in liquid crystal samples, the measurement on para-Azoxyanisole is illustrated. Here, different phase changes are clearly pronounced, such as the crystalline to nematic phase change at 118°C peak temperature as well as the nematic to isotropic melt change at 134°C peak temperature.

Differential scanning calorimetry (DSC) is a useful tool which complements optical methods in the study of liquid crystal Phase TransitionsThe term phase transition (or phase change) is most commonly used to describe transitions between the solid, liquid and gaseous states.phase transitions. It is utilized in determining the heat supplied or extracted during a process such as Phase TransitionsThe term phase transition (or phase change) is most commonly used to describe transitions between the solid, liquid and gaseous states.phase transition.

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