Influence of Surface Treatment of Ferromagnetic Nanoparticles on Properties of Thermotropic Nematic Liquid Crystals
Influence of Surface Treatment of Ferromagnetic Nanoparticles on Properties of Thermotropic Nematic Liquid Crystals
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DOI：
10.1080/15421406.2012.663195
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发表时间：
2012-01-01
影响因子：
0.7
通讯作者：
Vashchenko, V.
中科院分区：
文献类型：
--
作者：
Buluy, O.;Burseva, D.;Vashchenko, V.
我们观察到一个强大的影响表面活性剂的结构上的铁磁纳米粒子的聚集在液晶（LC）主机，以及由此产生的液晶矩阵的胶体稳定性和秩序。我们发现，具有终端介晶基团的表面活性剂涂覆的铁磁纳米粒子诱导的纳米粒子的聚集最小，导致在一个1.5倍减少的值相比，与父LC主机的Frederikscz过渡场。
We observe a strong effect of surfactant structure on the aggregation of ferromagnetic nanoparticles in nematic liquid crystal (LC) hosts, and the colloidal stability and ordering of the resulting nematic matrix. We find that ferromagnetic nanoparticles coated with surfactants that possess terminal mesogenic groups induce minimal aggregation of the nanoparticles, resulting in a 1.5 times reduction in the value of the Frederikscz transition field in comparison with the parent LC host.