Magnetic and microwave properties of polycrystalline U-type hexaferrite Ba4Zn2-xCoxFe36O60

被引：10
|
作者：
Chen, Jianfeng [1 ]
Liu, Yingli [1 ]
Wang, Yu [1 ]
Yin, Qisheng [1 ]
Liu, Qian [1 ]
Wu, Chongsheng [1 ]
Zhang, Huaiwu [1 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Sichuan, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 496卷 / 496期
基金：
中国国家自然科学基金;
关键词：
U-type ferrite; XRD; Structure; Ferromagnetic resonance linewidth; Magnetic performance; COMPLEX PERMITTIVITY; FERROMAGNETIC-RESONANCE; ABSORBING PROPERTIES; PERMEABILITY; CO; FERRITES; NI;
D O I：
10.1016/j.jmmm.2019.165948
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polycrystalline U-type hexaferrite with compositions of Ba4Zn2-xCoxFe36O60 (x = 0.4, 0.6, 0.8, 1.2) were synthesized via a conventional ceramic method. The phase and structure were systemically studied by XRD. The magnetic property was characterized by VSM. The single domain critical size has been experimentally determined. The relationships between ferromagnetic resonance and applied external field of samples with different magneto-crystalline anisotropy fields are confirmed. The result tells a smaller external field is needed to reach resonance with higher magneto-crystalline anisotropy in our sample. We also confirm the relation between magneto-crystalline anisotropy and ferromagnetic resonance linewidth.
引用
收藏
页数：8
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