Madhusudana, N. V. (1998) Liquid crystals made of highly polar compounds Brazilian Journal of Physics, 28 (4). pp. 301-313. ISSN 0103-9733
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Official URL: http://www.scielo.br/scielo.php?pid=S0103-97331998...
Related URL: http://dx.doi.org/10.1590/S0103-97331998000400006
Abstract
Liquid crystals are states of matter with symmetries intermediate between those of isotropic liquids and crystalline solids. The role of permanent dipoles in determining the stability of the nematic phase was discussed soon after the discovery of liquid crystals. Thought it is now well known that polar interactions are not essential for the stability of the mesophases, strong longitudinal dipoles give rise to many unusual phenomena like reentrant phases, polymorphism of smectic A and nematic liquid crystals, etc. The article gives a summary of these phenomena and phenomenological as well as molecular theories which have been developed to describe them.
Item Type: | Article |
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Source: | Copyright of this article belongs to SciELO. |
ID Code: | 76060 |
Deposited On: | 29 Dec 2011 07:37 |
Last Modified: | 29 Dec 2011 07:37 |
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