Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7996872 | Journal of Alloys and Compounds | 2016 | 21 Pages |
Abstract
Carbon-encapsulated nickel nanoparticles (Ni@C) with soft magnetic nickel nanoparticle core and dielectric carbon shell were synthesized by a modified arc-discharge method. The calculated reflection loss (RL) of Ni@C/paraffin composites and the measured RL of Ni@C/silicone coatings were studied at thicknesses of 1-3Â mm and Ni@C contents of 40-60Â wt%. Ni@C nanoparticles show good microwave absorption properties in 2-18Â GHz. The minimum calculated RL is â39.82Â dB with 60Â wt% Ni@C at 3Â mm, and the calculated RL <â10Â dB can be obtained in the frequency of 5-13.41Â GHz. Meanwhile, the minimum measured RL reaches â20.54Â dB with 60Â wt% Ni@C loading at 2.5Â mm and the widest bandwidth of measured RL <â10Â dB is 3.64Â GHz with 60Â wt% Ni@C loading at 1.5Â mm.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Yingxin Huang, Haiyan Zhang, Guoxun Zeng, Zhenghui Li, Danfeng Zhang, Haiping Zhu, Runfeng Xie, Liming Zheng, Jionghang Zhu,