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types of liquid crystals
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∙ 9y ago
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What has the author G W Gray written?
G. W. Gray has written: ''The great ravelled knot'' 'Liquid Crystals' 'Smectic liquid crystals' -- subject(s): Liquid crystals 'Liquid crystals & plastic crystals' -- subject(s): Liquid crystals, Plastic crystals
What is the difference between solid crystals and liquid crystals?
liquid crystals are long chain molecules that spontaneously line up into crystal like arrangements. normal liquids don't.
What has the author Iam-Choon Khoo written?
Iam-Choon Khoo has written: 'Liquid crystals XI' -- subject(s): Congresses, Liquid crystals 'Liquid Crystals IX' 'Liquid Crystals' -- subject(s): Liquid crystals 'Liquid crystals XII' -- subject(s): Congresses, Liquid crystals
What unusual property do liquid crystals have when they melt?
Liquid crystals start to flow during the melting phase similar to a liquid, but they do not lose their ordered arrangement completely, as most substances do. Liquid crystals will retain their geometric order in specific directions.
What has the author Dietrich Demus written?
Dietrich Demus has written: 'Textures of liquid crystals' -- subject(s): Liquid crystals, Texture (Crystallography) 'Flu ssige Kristalle in Tabellen' -- subject(s): Liquid crystals, Tables
What are nematic substances?
relating to or denoting a state of a liquid crystal in which the molecules are oriented in parallel but not arranged in well-defined planes. Compare with smectic . noun a nematic substance. ORIGIN early 20th cent.: from Greek nēma, nēmat- ‘thread’ + -ic .
What do liquid crystals look like?
In bulk, they look a lot like liquid soap; many liquid crystals are made of materials that chemically are a lot like soap.
What has the author Francesco Simoni written?
Francesco Simoni has written: 'Ottica e tecnologia ottica' -- subject(s): Physiological optics, Geometrical optics, Lenses 'Nonlinear optical properties of liquid crystals and polymer dispersed liquid crystals' -- subject(s): Optical properties, Polymer liquid crystals, Nonlinear theories, Liquid crystals
Can crystals be formed from minerals dissolved in liquid when the liquid evaporates?
On evaporation the crystals so formed are in the form of solid(in criss cross manner) and on crushing those crystals they become change into powder.
What are LCD TV's made from?
Liquid Crystals...(LCD) liquid crystal display
How do liquids and liquid crystals differ?
Liquid crystals are certain long chain organic chemicals that, although liquid they have a strong tendency to align in "crystal like" arrays. Normal liquids have no (or very little) order, liquid crystals have order approaching that of solid crystals. Liquid crystals are useful in electronics (displays), temperature sensing (indicators), and other technologies because application of various stresses (e.g. electric field, heat) cause them to change their "crystal" properties in ways that solid crystals can't. These changes can then usually be made visible.
What is the chemical formula of the liquid crystals used in LCD?
Part of the chemical formula for an LCD is C6 H13 O (MESOGEN). This is the unit in the liquid chrystal that is responsible for the structural order of the liquid crystals.
