Research on Dielectric Spectrum Characteristics of Nano Fe₃O₄ Modified LDPE

Abstract:

Fe₃O₄ ferrite nanoparticles used for preparation of PE composite have been prepared by chemical co-precipitation method and modified by different methods. And the nanoFe₃O₄/LDPE composite materials with different mass percentage concentration of 0.25 to 1 percent were prepared by melt blending. The relationship of permittivity and dissipation factors dependence of frequency were investigated by Broadband Dielectric Spectrometer made by novo-control company. Through these measurements we got the conclusion that both the doping of Fe₃O₄ and magnetization have effect on permittivity and dissipation factors, and the effect relates to the doping methods and quality percentage content.

• Periodical: Advanced Materials Research (Volumes 430-432)
• Pages: 623-626
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.430-432.623
• Online since: January 2012
• Authors: Dong Zhang, Wei Song, Zhi Sun, Bai Han, Qing Quan Lei
• Keywords: Complex, Dielectric Spectrum, LDPE, Magnetization, Nano-Fe₃O₄

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