Title of article
Synthesis and electromagnetic properties of Al/AlOx-coated Ni nanocapsules
Author/Authors
Liu، نويسنده , , Xianguo and Feng، نويسنده , , Chao and Or، نويسنده , , Siu Wing and Jin، نويسنده , , Chuangui and Xiao، نويسنده , , Feng and Xia، نويسنده , , Ailin and Li، نويسنده , , Weihuo and Sun، نويسنده , , Yuping and Zhao، نويسنده , , Shengsheng، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
5
From page
3887
To page
3891
Abstract
Ni nanocapsules with a core of Ni nanoparticle and a shell of amorphous Al/AlOx have been prepared by the arc discharge method. The natural resonance in the Al/AlOx-coated Ni nanocapsules shifts to 6.4 GHz, due to the surface anisotropy of Ni nanoparticles. An optimal RL value of −40.96 dB was observed at 9.2 GHz on a specimen with a matching thickness of 2.40 mm. Theoretical simulation for the microwave absorption using the transmission line theory agrees reasonably well with the experimental results. The frequency of microwave absorption complies with the quarter-wavelength matching model.
Keywords
A. Nanostructures , A. Composites , D. Dielectric properties , C. X-ray diffraction
Journal title
Materials Research Bulletin
Serial Year
2013
Journal title
Materials Research Bulletin
Record number
2104172
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