Influence of particle size on electromagnetic behavior and microwave absorption properties of Z-type Ba-ferrite/polymer composites |
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| Institution: | 1. School of Material Engineering, Xi’an Aeronautical University, Xi’an, Shaanxi 710077, China;2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China;3. School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an, Shaanxi 710021, China;1. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, PR China;2. Zhengzhou Aeronautical Institute of Industry Management, Zhengzhou, Henan, 450046, PR China;1. Department of Electronics Technology, Guru Nanak Dev University, Amritsar 143005, India;2. Advanced Analytical Laboratory, Andhra University, Visakhapatnam 530003, India;1. Center for Microwave Magnetic Materials and Integrated Circuits, and Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA;2. State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China;3. Innovation Center, Rogers Corporation, Burlington, MA 01803, USA;4. College of Optoelectronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China |
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| Abstract: | The electromagnetic and microwave absorption properties of the Z-type Ba-ferrite/polymer composites were investigated. The results showed that particle size of the Ba-ferrite fillers has a significant influence on the effective properties of the two-phase composites. The relative dielectric constant and initial permeability of such composites are about 95 and 5.2 at high frequency under certain combination of ferrite fillers with different particle size, respectively. Microwave absorption properties of the composites are simultaneously influenced due to the strong correlation between reflection loss and electromagnetic parameters of the ferrite/polymer composites. |
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