Tailoring magnetic properties of Al-substituted M-type strontium hexaferrites

被引：11
|
作者：
Dai, Yue [1 ]
Lan, Zhongwen [1 ]
Wu, Chuanjian [1 ]
Yang, Changlong [2 ]
Yu, Zhong [1 ]
Guo, Rongdi [1 ]
Wang, Wei [2 ]
Chen, Chuan [3 ]
Liu, Xin [3 ]
Jiang, Xiaona [1 ]
Sun, Ke [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu 610054, Sichuan, Peoples R China
[2] State Grid Shenyang Elect Power Supply Co, Shenyang 110811, Liaoning, Peoples R China
[3] Global Energy Interconnect Res Inst Co Ltd, Beijing 102211, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2018年 / 124卷 / 12期
基金：
中国国家自然科学基金;
关键词：
CRYSTAL-STRUCTURE;
D O I：
10.1007/s00339-018-2224-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ferrites which have relatively high remanence ratio, large coercivity and strong anisotropy are needed to meet the increasing demand for devices used in millimeter-wave frequency. Herein, we demonstrate a composition of Sr0.7La0.3Fe12-x Al (x) O-19 hexaferrites prepared by the conventional ceramic method. We investigate the phase, morphology and magnetic properties of Al-substituted strontium hexaferrites. This study illustrates that aluminum substitution has a significant effect to improve the coercivity and anisotropic field. Finally, we propose an empirical relationship between the functional properties of Al-substituted ferrites and the amount of aluminum.
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收藏
页数：6
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