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Citation: Ruan Sheng-Ping, Wu Feng-Qing, Wang Yong-Wei, Zhang Li, Wu Ri-Na, Xuan Li. Synthesis and Microwave Absorbing Properties of Nanocrystalline Barium Ferrite Composite Material[J]. Acta Physico-Chimica Sinica, ;2003, 19(03): 275-277. doi: 10.3866/PKU.WHXB20030320 shu

Synthesis and Microwave Absorbing Properties of Nanocrystalline Barium Ferrite Composite Material

1.
College of Electronic Sciences ＆ Engineering, Jilin University, Changchun　130023;Changchun Institute of Optics, Fine Mechanics ＆ Physics, Chinese Academy of Sciences, Changchun　130021;College of Chemistry, Jilin University, Changchun　130023

Corresponding author: Xuan Li,
Received Date: 12 July 2002
Available Online: 15 March 2003

Nanocrystalline oxide compound Ba(Zn1－xCox)2Fe16O27 has been synthesized using PEG gel method. The products are characterized by means of X-ray powder diffraction analysis. Based on a two-layer structure, the Ba(Zn1－xCox)2Fe16O27 powder is integrated with the traditional microwave absorbing material, iron particle, to form the absorbing coatings. The experimental result indicates that the composite materials have a od absorbing property. The absorptive mechanism of nanocrystalline material has also been discussed.
- Microwave absorption;Composite material;Barium ferrite;Nanocrystal
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