Liquid crystal | Physics, Chemistry & Applications | Britannica
WEBAug 26, 2024 · Liquid crystal, substance that blends the structures and properties of the normally disparate liquid and crystalline solid states. Liquids can flow, for example, while solids cannot, and crystalline solids possess special symmetry properties that …
WEBThe liquid crystal state is a distinct phase of matter observed between the crystalline (solid) and isotropic (liquid) states. There are many types of liquid crystal states, depending upon the amount of order in the material. This section will explain the phase behavior of liquid crystal materials. Nematic Phases
Liquid Crystals - Chemistry LibreTexts
WEBJan 30, 2023 · A liquid crystal phase has many of the physical attributes of a liquid, but its molecular units are sufficiently ordered to give rise to some anisotropy, most notably in their optical properties. As with so many scientific discoveries, it all started with an unexpected observation.
Chapter 11.8: Liquid Crystals - Chemistry LibreTexts
WEBAug 25, 2021 · Liquid crystals are typically long, rigid molecules that can interact strongly with one another; they do not have isotropic structures, which are completely disordered, but rather have anisotropic structures, which exhibit different properties when viewed from different directions.
Introduction to liquid crystals - ScienceDirect
WEBOct 1, 2018 · Liquid crystals, which are obtained by melting a crystalline solid, are called thermotropic. Liquid crystalline behavior is also found in certain colloidal solutions, such as aqueous solutions of tobacco mosaic virus and certain polymers.
What Are Liquid Crystals? - Kent State University
WEBLiquid crystal is the fourth state of matter that occurs between solid and liquid. While studying the function of cholesterol in plants, Friedrich Reinitzer, an Austrian botanist, found an unusual melting that was always accompanied by the presence of cloudy liquid state before the clear liquid appears.
Liquid Crystal - an overview | ScienceDirect Topics
WEBLiquid crystal (LC) is a state of matter intermediate between crystalline solid that is characterized with a regular periodic arrangement of atoms or molecules, and isotropic liquid lacking any type of order.
2.9: Liquid crystals - Engineering LibreTexts
WEBAug 24, 2023 · 2.9: Liquid crystals. When most solids melt, they form an isotropic fluid, whose optical, electrical and magnetic properties do not depend on direction. However, when some materials melt, over a limited temperature range they form a fluid that exhibits anisotropic properties.
Liquid Crystals - IUPAC - IUPAC | International Union of Pure and ...
WEBLiquid crystal (LC) is an intermediate state between crystal and liquid showing the properties of both. For example, liquid crystal may flow like a liquid but its molecules may have a specific crystal-like orientation.
Introduction to Liquid Crystals - Wiley Online Library
WEBJan 14, 2022 · Since liquid crystal constituent molecules are quite large, their energy level structures are rather complex. There are several distinct types of liquid crystals: lyotropic, polymeric, thermotropic, and discotic.
- Some results have been removedSome results have been hidden because they may be inaccessible to you.Show inaccessible results