Journal of Shanghai University(Natural Science Edition)

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Multiferroic BiFeO3-CoFe2O4 Composite Films Prepared by Pulded Laser Deposition

CHENG Jin-rong,ZHU Yan-yan,CHEN Jian-guo,YU Sheng-wen,WU Wen-biao,JIN Deng-ren,MENG Zhong-yan   

  1. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
  • Received:2008-05-05 Revised:1900-01-01 Online:2008-10-23 Published:2008-10-23
  • Contact: CHENG Jin-rong

Abstract: Multiferroic 0.7BiFeO3-0.3CoFe2O4(BFO-CFO) composite films were prepared on the Pt(111)/Ti/SiO2/Si substrate by the pulsed laser deposition method. In the deposition process, the perovskite BiFeO3 and the spinel structured CoFe2O4 phases were formed and separated by selfassembling growth. The growth condition and mechanism of BFO-CFO composite films, and the effect of film thickness on the structure and properties of BFO-CFO films were investigated.

Key words: pillar structure, pulsed laser deposition, self-assembling growth, thickness, multiferroic composite films

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