Effect of Ce Doping on Microwave Absorption Properties of Pr2Fe17 Alloy
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- 作者：Lichun Cheng ; Jilei Xiong ; Huaiying Zhou ; Shunkang Pan…
- 关键词：Ce x Pr2−x Fe17 alloys ; high energy ball milling ; magnetic properties ; electromagnetic parameters ; microwave absorption properties
- 刊名：Journal of Electronic Materials
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：45
- 期：2
- 页码：1023-1027
- 全文大小：1,323 KB
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Jilei Xiong (2) (3)
Huaiying Zhou (1) (2) (3)
Shunkang Pan (2) (3)
Hehua Huang (3)
1. School of Materials and Engineering, Central South University, Changsha, 410083, People’s Republic of China
2. School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China
3. Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Optical and Electronic Materials
Characterization and Evaluation Materials
Electronics, Microelectronics and Instrumentation
Solid State Physics and Spectroscopy - 出版者：Springer Boston
- ISSN：1543-186X
文摘
Ce x Pr2−x Fe17 (x = 0.0, 0.1, 0.2, 0.3, 0.4) alloy powders were successfully synthesized by arc smelting and a high energy ball milling method. The structure, morphology, magnetic properties and electromagnetic parameters of the powders were studied by x-ray diffraction (XRD), scanning electron microscopy (SEM), a vibrating sample magnetometer (VSM) and a vector network analyzer (VNA), respectively. The results show that the saturation magnetization decreases with an increase of Ce concentration. The minimum absorption peak frequency shifts towards a higher frequency region firstly and then towards a lower frequency region based upon the Ce concentration. The Ce x Pr2−x Fe17 alloys exhibit good microwave absorbing properties. The minimum reflection loss of Ce0.1Pr1.9Fe17 powder is about −13.67 dB at 6.40 GHz, and the frequency bandwidth of RL < −8 dB reaches about 2.24 GHz with a thickness of 1.8 mm. Keywords Ce x Pr2−x Fe17 alloys high energy ball milling magnetic properties electromagnetic parameters microwave absorption properties