The Physics of Liquid Crystals
Pierre-Gilles de GennesThe first edition of this book has been an acknowledged classic since its publication en 1974. Its success, and the great advances that have taken place in the ensuing years, have made this new edition, now available in paper back, both welcome and necessary.
Liquid crystals, like all other kinds of matter, are subject to thermal expansion. As the temperature rises, the average spacing between the aligned molecules of a nematic phase (see below) increases, thus causing the e-ray to be increasingly retarded with respect to the o-ray. If a suitable liquid crystal mixture is painted onto the surface of a patient's body, it can often reveal the sites
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Introduction to Liquid Crystals: Chemistry and Physics ...
This is made of the same substance as mood rings. From the text on back of the sheet: "The liquid crystals on this sheet exhibit brilliant changes in color when exposed to slight differences in temperature between 77 F and 90 F. Called cholesteric liquid crystalsthey exhibit both the flow properties of a liquid and the optical properties of a crystal in that they scatter light selectively." Liquid crystals: a new topic in physics for undergraduates ...
Liquid Crystal Group - Liquid Crystal Physics Physics of Liquid Crystals. This section provides an overview of the physics of liquid crystals, and descriptions of some of their principal phases and textures. Liquid Crystal Phases - What are the main LC Phases? Liquid Crystal Textures - How do LCs appear in the Microscope?
Crystals | Free Full-Text | Ferroelectric Liquid …
To those who know that substances can exist in three states, solid, liquid, and gas, the term “liquid crystal” may be puzzling. How can a liquid be crystalline? 8 Aug 2018 ... A team led by scientists at Berkeley Lab found a way to make a liquid-like state behave more like a solid, and then to reverse the process.