NDLI: Structure and microwave absorption properties of Nd–Co

Content Provider	Springer Nature Link
Author	Qiao, Ziqiang Pan, Shunkang Xiong, Jilei Cheng, Lichun Yao, Qingrong
Copyright Year	2016
Abstract	To study the effect of Ni content on microwave absorption of Nd$_{2}$Co$_{17}$ alloy. The Nd$_{2}$Co$_{17−x }$Ni$_{ x }$ (X = 0.0, 0.2, 0.6, 1.0, 1.4) powders were prepared by arc smelting and high energy ball milling method. The structure and morphology of the powder were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The electromagnetic parameters of the powder were measured by vector network analyzer (VNA) at room temperature. The XRD results indicate that the prepared powder maintain the Nd$_{2}$Co$_{17}$ phase. The minimum reflectivity value frequency shifts towards the lower frequency with the increase of Ni content. The minimum reflectivity value of Nd$_{2}$Co$_{15.6}$Ni$_{1.4}$ alloy reaches about −26.6 dB at 2.9 GHz with the matching thickness of 2.2 mm. And the milled powder was tempered ranging of 50–200 °C for 1 h. The minimum reflectivity frequency shifts to higher frequency region compared to the powder without heat treatment. The absorbing frequency bandwidth increases with the tempering treatment increase.
Starting Page	7487
Ending Page	7493
Page Count	7
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	27
Issue Number	7
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2016-03-31
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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