Effect of a Low-Frequency Magnetic Field on the Release of Heat by Magnetic Nanoparticles of Different Shapes

被引：4
|
作者：
Khabibullin, V. R. [1 ]
Stepanov, G., V [1 ]
机构：
[1] State Res Inst Chem & Technol Organoelement Cpds, Moscow 105118, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2020年 / 94卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
cubic magnetite; needle-shaped maghemite; thermomagnetic effect; magnetic hyperthermia; magnetic powder; FE3O4; NANOPARTICLES; HYPERTHERMIA; COPRECIPITATION; GAMMA-FE2O3;
D O I：
10.1134/S0036024420020168
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cubic nanoparticles of magnetite are synthesized and a comparative analysis is performed of the release of heat by needle-shaped and spherical nanoparticles inside a low-frequency magnetic field. The sizes, shapes, and magnetic properties of the investigated samples are determined. The effect concentration, temperature, and the frequency and intensity of the magnetic field have on the release of heat is investigated. A suspension of magnetic particles is obtained and found to have a high coefficient of heat release (160 W/g) inside a low-frequency electromagnetic field with a frequency of 5.2 kHz.
引用
收藏
页码：439 / 444
页数：6
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