Magnetic materials for mobile communication antennas substrate application

2017 International Conference on Material Engineering and Manufacturing

Chen, Hui^1 ; Liang, Difei^1,2 ; Li, Weijia^1 ; Pang, Chao^1

National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, China^1

State Key Laboratory of Electronic Thin Films and Integrated Devices, China^2

关键词: Crystallographic structure;    Electromagnetic properties;    Lower temperatures;    Mobile communications;    Mobile-phone antennas;    Optimized parameter;    Radiation efficiency;    Sintering temperatures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/265/1/012005/pdf
DOI  :  10.1088/1757-899X/265/1/012005

来源: IOP

【 摘 要 】

In this work, 3Ba0.7Sr0.3O•2CoO•10.8Fe2O3 and Ba2Co2Fe12O22 had been fabricated successfully by conventional ceramic process. Crystallographic structure and electromagnetic properties of two kind of hexagonal ferrite with different sintering temperature were investigated. X-ray Diffraction (XRD), Agilent-N5230A Network Analyzer were used to measure ferrite samples. The mobile phone antenna performance was analysed by HFSS. The results revealed that the main phase of two ferrite samples generated at lower temperature due to additive. The optimized parameters of ferrite are sintering temperature at 1000°C. And to emulate antenna model by HFSS find that Z-type and Y-type ferrite substrate can contribute to antenna frequency shifting, radiation efficiency were affected a little.