Permittivity of magnetic fluids with multiwalled carbon nanotubes under magnetic field effect

IF 0.4 4区 物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY
A. A. Pavlova, V. I. Suslayev, E. Yu. Korovin, D. A. Mazilov
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引用次数: 0

Abstract

Materials with controlled electromagnetic characteristics are studied in the present work. The complex permittivity spectra of ferrofluids with the following composition: synthetic oil + iron oxide + multiwalled carbon nanotubes (MWCNTs) have been measured using impedance spectroscopy. The multiwalled carbon nanotubes (0.5 and 0.75 wt.%) were added to the composition. The effect of different orientations of the magnetic field relative to the electric field component of an electromagnetic wave on the complex permittivity values is considered. New research results indicate that thin layers of ferrofluid show promise for enhancing safety when using high-frequency radio-electronic devices.

Abstract Image

Abstract Image

磁场作用下多壁碳纳米管磁性流体的介电常数
本文主要研究具有可控电磁特性的材料。采用阻抗谱法测量了合成油 +氧化铁 +多壁碳纳米管(MWCNTs)的复合介电常数谱。多壁碳纳米管(0.5和0.75 wt。%)添加到合成物中。考虑了不同方向的磁场相对于电磁波的电场分量对复介电常数值的影响。新的研究结果表明,薄层铁磁流体有望在使用高频无线电电子设备时提高安全性。
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来源期刊
Russian Physics Journal
Russian Physics Journal PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.00
自引率
50.00%
发文量
208
审稿时长
3-6 weeks
期刊介绍: Russian Physics Journal covers the broad spectrum of specialized research in applied physics, with emphasis on work with practical applications in solid-state physics, optics, and magnetism. Particularly interesting results are reported in connection with: electroluminescence and crystal phospors; semiconductors; phase transformations in solids; superconductivity; properties of thin films; and magnetomechanical phenomena.
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