磁场对不同稳定机制磁性胶体电泳过程的影响

IF 2.6 4区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR
Yuri Dikansky, A. Drozdov, Inna V. Eskova, E. Beketova
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引用次数: 0

摘要

电泳纳米结构是创造功能表面和活性层的一种很有前途的方法。这种方法的效力可能会被其他各种性质的因素进一步增强,比如磁场。在本工作中,我们研究了水基和煤油基磁性液体的薄层电泳过程以及附加磁场对发生过程的影响。结果表明,不均匀磁场对电泳过程有显著影响。指出了利用非均匀磁场影响对电泳过程进行补偿的可能性。本文研究了电场作用下烃基磁性胶体的结构变化。考虑了在此过程中产生的电流体动力流的作用,并研究了磁场对形成的迷宫结构形态的影响。建立了结构出现所对应的电场强度阈值与温度和外加磁场的关系。所得结果有助于发展一种测定单个纳米粒子的电荷和磁矩的原始方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Influence of Magnetic Fields on Electrophoretic Processes in Magnetic Colloids with Different Stabilization Mechanisms
Electrophoretic nanostructuring is a promising approach for the creation of functional surfaces and active layers. The potency of this approach may be further enhanced by additional factors of various natures, such as magnetic fields. In this work, we have studied the process of electrophoresis in thin layers of water- and kerosene-based magnetic liquids and the effect of additional magnetic fields on the occurring processes. It was found that the electrophoresis process can be significantly affected by inhomogeneous magnetic fields. The possibility of compensating electrophoresis processes in such systems by means of inhomogeneous magnetic field influence was shown. Structural changes in magnetic colloids on hydrocarbon bases under the influence of an electric field have been studied. The role of electrohydrodynamic flows arising in this process is considered, and the influence of the magnetic field on the configuration of the formed labyrinth structure is studied. The dependence of the threshold value of the electric field strength corresponding to the emergence of the structure on the temperature and additionally applied magnetic field has been established. The obtained results could contribute to the development of an original method for determining the charge and magnetic moment of a single nanoparticle.
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来源期刊
Magnetochemistry
Magnetochemistry Chemistry-Chemistry (miscellaneous)
CiteScore
3.90
自引率
11.10%
发文量
145
审稿时长
11 weeks
期刊介绍: Magnetochemistry (ISSN 2312-7481) is a unique international, scientific open access journal on molecular magnetism, the relationship between chemical structure and magnetism and magnetic materials. Magnetochemistry publishes research articles, short communications and reviews. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced.
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