Effect of a magnetic field on the transmission spectra of magnetic fluids with different sizes of nanoparticles

被引：2

作者：

Yerin, Constantine V. ^{[1
]}

Vivchar, Victoria I. ^{[1
]}

机构：

[1] North Caucasus Fed Univ, Dept Expt Phys, 1 Pushkin St, Stavropol 355017, Russia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2024年 / 595卷

关键词：

Magnetic fluids; Light extinction; Transmission spectra; Particle orientation; COMPLEX REFRACTIVE-INDEX; BIREFRINGENCE; FERROFLUIDS;

D O I：

10.1016/j.jmmm.2023.171437

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of a magnetic field on the transmission spectra of magnetic fluids with magnetite nanoparticles in kerosene is studied depending on the particle size. It was found that in a colloid with an average particle size of less than 10 nm, the effect of changing transmittance does not exceed 10-15 %. In a sample with larger particles (12-25 nm), the effect is much greater (up to 50 % or more). A qualitative explanation of the effect is carried out on the basis of the orientational theory of optical effects.

引用

页数：4

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