AFM investigation of polymer LB films on the alignment of ferroelectric liquid crystal |
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| Institution: | 1. Atlanta Center for Reproductive Medicine, Atlanta GA 30328, USA;2. Colorado Center for Reproductive Medicine;3. CCRM Fertility Network, Lone Tree CO 80124, USA;1. LPICM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, 91128 Palaiseau, France;2. UMR CNRS 8180, UVSQ, Institut Lavoisier de Versailles, Université Paris-Saclay, 45 avenue des Etats-Unis, 78035 Versailles Cedex, France |
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| Abstract: | A kind of newly synthesized polyimide (PI) LB films were fabricated to align ferroelectric liquid crystal (FLC). The topologies of PI LB films treated by different imidization processes were investigated by atomic force microscopy (AFM). It is found that the imidization temperature influences the crystalline structure of the LB films and high-temperature imidized LB films can provide the energy barrier for the realization of excellent bistability, while the ultra-thinness of LB films is helpful for the quick response of the FLC cell. |
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