PMID: 19113668Dec 31, 2008Paper

Magnetic-field induced isotropic to nematic liquid crystal phase transition

Physical Review Letters
T OstapenkoJ T Gleeson

Abstract

We report on measurements of magnetic-field induced nematic order in the bent-core liquid crystal 4-chlororesorcinol bis[4-(4-n-dodecyloxybenzoyloxy) benzoate]. Using the 31 T solenoid at the National High Magnetic Field Laboratory, we have observed, at temperatures less than 1 degrees above the clearing point, a first-order transition to the nematic phase. The critical magnetic field at which this occurs increases with temperature. We discuss these results within the context of both Maier-Saupe and Landau-de Gennes mean-field models for the nematic-isotropic transition. The implications of possible tetrahedratic order are also discussed. To our knowledge, this is the first observation of such a magnetic-field induced transition in a thermotropic liquid crystal; the reasons for which this behavior is now attainable are discussed.

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Citations

May 16, 2018·Journal of Oleo Science·Rauzah HashimAkihiko Sugimura
Feb 26, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Khoa V LeFumito Araoka
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May 17, 2017·Physical Review. E·M A AlievE A Ugolkova
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Feb 4, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·T B T ToG R Luckhurst
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