Magnetic Properties and Phase Composition of Metamaterials Based on an Opal Matrix with 3d-Transition Metal Particles

被引：0
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作者：
A. B. Rinkevich
A. V. Korolev
M. I. Samoilovich
D. V. Perov
O. V. Nemytova
机构：
[1] Ural Branch,Mikheev Institute of Metal Physics
[2] Russian Academy of Sciences,undefined
[3] JSC Central Research Technological Institute Tekhnomash,undefined
来源：
Physics of Metals and Metallography | 2018年 / 119卷
关键词：
metamaterials; opal matrix; metallic nanoparticles; magnetization;
D O I：
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摘要：
The magnetic properties of metamaterials based on an opal matrix with transition-metal (iron, nickel, cobalt) particles have been studied. Magnetization curves and magnetic hysteresis loops have been measured and the dependences of real and imaginary parts of magnetization have been determined using the dynamic ac susceptibility measuring procedure. Structural studies of metamaterials have been performed. The saturation magnetization and coercive force of the studied metamaterials have been found to depend weakly on the temperature. The temperature dependence of magnetic susceptibility at a temperature above 30 K can be described adequately by Curie–Weiss law and, at lower temperature, deviates from the law.
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页码：109 / 120
页数：11
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