分散在液晶中的多壁碳纳米管的电学性质及其对弗雷德里克兹转变的影响。
Electric Properties of Multiwalled Carbon Nanotubes Dispersed in Liquid Crystals and Their Influence on Freedericksz Transitions.
作者信息
Petrescu Emil, Cirtoaje Cristina
机构信息
Department of Physics, Faculty of Applied Science, University Politehnica of Bucharest, RO-060042 Bucharest, Romania.
出版信息
Nanomaterials (Basel). 2022 Mar 28;12(7):1119. doi: 10.3390/nano12071119.
Liquid crystal composites with multiwalled carbon nanotubes present dielectric properties considerably different from those of pure liquid crystal (LC). Using a proper dispersion of nanotubes in the LC-sample and a theoretical model in agreement with the experimental configuration, the dielectric permittivities of multiwalled carbon nanotubes are calculated. The influence of dielectric properties on the Freedericksz transition threshold is discussed. Theoretical values for dielectric permittivities of multiwalled carbon nanotubes are calculated for different temperatures.
含有多壁碳纳米管的液晶复合材料呈现出与纯液晶（LC）截然不同的介电特性。通过在LC样品中适当分散纳米管，并采用与实验配置相符的理论模型，计算了多壁碳纳米管的介电常数。讨论了介电特性对弗雷德里克斯转变阈值的影响。针对不同温度计算了多壁碳纳米管介电常数的理论值。
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