Acta Phys. -Chim. Sin. ›› 2003, Vol. 19 ›› Issue (03): 275-277.doi: 10.3866/PKU.WHXB20030320

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Synthesis and Microwave Absorbing Properties of Nanocrystalline Barium Ferrite Composite Material

Ruan Sheng-Ping;Wu Feng-Qing;Wang Yong-Wei;Zhang Li;Wu Ri-Na;Xuan Li   

  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
  • Received:2002-07-12 Revised:2002-10-07 Published:2003-03-15
  • Contact: Ruan Sheng-Ping E-mail:xbk@mail.jlu.edu.cn

Abstract: 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 good absorbing property. The absorptive mechanism of nanocrystalline material has also been discussed.

Key words: Microwave absorption, Composite material, Barium ferrite, Nanocrystal