Analysis of the Magnetic Characteristics of Single-Domain Ferromagnetic and Superparamagnetic Nanoparticles in a Ni@C Nanocomposite

被引：0
|
作者：
Gyulasaryan, H. T. [1 ]
机构：
[1] NAS Armenia, Inst Phys Res, Ashtarak, Armenia
来源：
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES | 2023年 / 58卷 / 03期
关键词：
nickel phthalocyanines; solid-phase pyrolysis; singl-domain nanoparticles; magnetic moment;
D O I：
10.1134/S1068337223030118
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The magnetic size effects of single-domain nickel nanoparticles encapsulated in a graphite-like carbon shell (Ni@C nanocomposites) have been studied. Along with ferro- and superparamagnetic characteristics, the samples exhibit paramagnetism due to surface nickel ions formed through charge transfer from the carbon matrix. A detailed analysis of the total curves of magnetization M(H) and coercivity at 10 K was carried out and the corresponding magnetic parameters were determined.
引用
收藏
页码：282 / 286
页数：5
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