| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Hysteresis loss reduction in self-bias FeSi/SrFe12O19 soft magnetic composites |
| Shuangjiu Feng(冯双久)1,†, Jiangli Ni(倪江利)1, Feng Hu(胡锋)2, Xucai Kan(阚绪材)1, Qingrong Lv(吕庆荣)1, and Xiansong Liu(刘先松)1 |
1 Engineering Technology Research Center of Magnetic Materials of Anhui Province, School of Physics and Materials Science, Anhui University, Hefei 230601, China;
2 Engineering Technology Research Center of Preparation and Application of Industrial Ceramics of Anhui Province, School of Chemistry and Material Engineering, Chaohu University, Hefei 238000, China |
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Abstract The magnetic field provided by magnetized SrFe12O19 particles in FeSi/SrFe12O19 composites is used to replace the applied transverse magnetic field, which successfully reduces the magnetic loss of the composites with minor reduction of permeability. This magnetic loss reduction mainly comes from the decrease in hysteresis loss, while the eddy current loss is basically unaffected. The hysteresis loss reduction in magnetized composites is believed to be due to the decrease in domain wall displacement caused by the increase in the average magnetic domain size in a DC magnetic field. This is an effective method for reducing the magnetic loss of soft magnetic composites with wide application potential, and there is no problem of increasing the cost and the volume of the magnetic cores.
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Received: 27 June 2021
Revised: 30 September 2021
Accepted manuscript online: 06 October 2021
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PACS:
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75.50.Bb
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(Fe and its alloys)
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75.78.-n
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(Magnetization dynamics)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 51872004 and 51802002), the Key Program of the Education Department of Anhui Province, China (Grant No. KJ2019ZD03), and the Science Foundation of the National Key Laboratory of Science and Technology on Advanced Composites in Specials Environments (Grant No. 6142905202112). |
Corresponding Authors:
Shuangjiu Feng
E-mail: fengsj@ahu.edu.cn
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Cite this article:
Shuangjiu Feng(冯双久), Jiangli Ni(倪江利), Feng Hu(胡锋), Xucai Kan(阚绪材), Qingrong Lv(吕庆荣), and Xiansong Liu(刘先松) Hysteresis loss reduction in self-bias FeSi/SrFe12O19 soft magnetic composites 2022 Chin. Phys. B 31 027503
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