[1] Jing Hongyang, Tang Mengru, Han Yongdian, Xu Lianyong, et al. Magnetic and microwave absorbing properties of M-type bariumferrite/graphene oxide composite microwave absorber [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 511-515. [doi:10.3969/j.issn.1003-7985.2015.04.014]

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Magnetic and microwave absorbing properties of M-type bariumferrite/graphene oxide composite microwave absorber()

M型钡铁氧体/氧化石墨烯复合吸波材料的磁性能与吸波性能

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 4

Page:

511-515

Research Field:

Materials Sciences and Engineering

Publishing date:

2015-12-30

Info

Title:

Magnetic and microwave absorbing properties of M-type bariumferrite/graphene oxide composite microwave absorber

M型钡铁氧体/氧化石墨烯复合吸波材料的磁性能与吸波性能

Author(s):

Jing Hongyang;  Tang Mengru;  Han Yongdian;  Xu Lianyong;  Li Min

School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
Tianjin Key Laboratory of Advanced Joining Technology, Tianjin 300072, China

荆洪阳;  唐梦茹;  韩永典;  徐连勇;  李敏

天津大学材料科学与工程学院, 天津300072; 天津市现代连接技术重点实验室, 天津300072

Keywords:

M-type barium ferrite;  graphene oxide;  composite microwave absorber;  magnetic property;  microwave absorbing property

M型钡铁氧体;  氧化石墨烯;  复合吸波材料;  磁性能;  吸波性能

PACS:

TB34

DOI:

10.3969/j.issn.1003-7985.2015.04.014

Abstract:

In order to improve the absorbing properties of M-type barium ferrite absorbing materials, M-type barium ferrite/graphene oxide composites with different graphene oxide contents were synthesized by the sol-gel auto-combustion method. X-ray diffraction(XRD), a scanning electronic microscopy(SEM), a physical properties measurement system(PPMS-9), and a vector network analyzer were used to analyze their structure, surface morphology, magnetic and absorbing properties, respectively. The results show that the absorbing band of the composite absorbing material is widened and the absorbing strength is increased compared with the pure M-type barium ferrite. The sample with the content of doped graphene oxide of 3% has the minimum reflectivity at 10 to 18 GHz frequencies. Hence, the doped graphene oxide effectively improves the absorbing properties of M-type barium ferrite.

为了提高M型钡铁氧体吸波材料的吸波性能, 通过溶胶-凝胶和自蔓延高温合成法制备了不同氧化石墨烯含量的M型钡铁氧体/氧化石墨烯复合吸波材料.借助X射线衍射仪、扫描电子显微镜、物理性能测试仪和矢量网络分析仪对M型钡铁氧体/氧化石墨烯复合吸波材料的晶体结构、表面形貌、磁性能和吸波性能分别进行了研究.研究表明:M型钡铁氧体/氧化石墨烯复合吸波材料的吸收频段不仅比M型钡铁氧体材料宽, 而且吸收强度比M型钡铁氧体大, 其中掺杂氧化石墨烯含量为3%的样品, 在10~18 GHz的频率上, 反射率最小.因此, 加入氧化石墨烯有效地改善了M型钡铁氧体的吸波性能.

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Memo

Memo:

Biography: Jing Hongyang(1966—), male, doctor, professor, hjing@tju.edu.cn.
Foundation item: The National Natural Science Foundation of China(No.51205282).
Citation: Jing Hongyang, Tang Mengru, Han Yongdian, et al.Magnetic and microwave absorbing properties of M-type barium ferrite/graphene oxide composite microwave absorber[J].Journal of Southeast University(English Edition), 2015, 31(4):511-515.[doi:10.3969/j.issn.1003-7985.2015.04.014]

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