Controlled Synthesis of the Poly(N-methylaniline)/Zn0.6Mn0.2Ni0.2Fe2O4 Composites and Its Electrical-Magnetic Property

Controlled Synthesis of the Poly(N-methylaniline)/Zn0.6Mn0.2Ni0.2Fe2O4 Composites and Its Electrical-Magnetic Property

Poly(N-methylaniline)/Zn0.6Mn0.2Ni0.2Fe2O4 (PNMAn/ZMNFO) composites were prepared by in situ polymerization. The structure, morphology, and electromagnetic properties of the samples were characterized by X-ray diffractometer, thermal analyzer, infrared spectrometer, scanning electron microscopy and...

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Veröffentlicht in:Journal of physical chemistry. C 2010-04, Vol.114 (14), p.6712-6717
Hauptverfasser: Li, Liangchao, Qiu, Haizhen, Qian, Haisheng, Hao, Bin, Liang, Xiaoxi
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C: Electron Transport, Optical and Electronic Devices, Hard Matter
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container_issue 14
container_start_page 6712
container_title Journal of physical chemistry. C
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creator Li, Liangchao
Qiu, Haizhen
Qian, Haisheng
Hao, Bin
Liang, Xiaoxi
description Poly(N-methylaniline)/Zn0.6Mn0.2Ni0.2Fe2O4 (PNMAn/ZMNFO) composites were prepared by in situ polymerization. The structure, morphology, and electromagnetic properties of the samples were characterized by X-ray diffractometer, thermal analyzer, infrared spectrometer, scanning electron microscopy and transmission electron microscopy (TEM and SEM), vibrating sample magnetometer, four probes resistivity instrument, and impedance/material analyzer, respectively. The results showed that the PNMAn/ZMNFO composites had better thermal stability than PNMAn; the saturation magnetization of the composites decreased as the ZMNFO content decreased; and the conductivity increased as the PNMAn content increased; the tanδm and tanδe value of the PNMAn/ZMNFO composites decreased quickly in the range of low−middle frequency (1−15 MHz) and slowly in the range of high frequency (15 MHz−1 GHz). The composites with certain composition have better performance of electromagnetic loss than a single component due to the synergistic effect between their components. The electromagnetic parameters (M S, tanδm, tanδe) of the composites can be modified by controling of its components (PNMAn or ZMNFO) concentration.
doi_str_mv 10.1021/jp101116z
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The structure, morphology, and electromagnetic properties of the samples were characterized by X-ray diffractometer, thermal analyzer, infrared spectrometer, scanning electron microscopy and transmission electron microscopy (TEM and SEM), vibrating sample magnetometer, four probes resistivity instrument, and impedance/material analyzer, respectively. The results showed that the PNMAn/ZMNFO composites had better thermal stability than PNMAn; the saturation magnetization of the composites decreased as the ZMNFO content decreased; and the conductivity increased as the PNMAn content increased; the tanδm and tanδe value of the PNMAn/ZMNFO composites decreased quickly in the range of low−middle frequency (1−15 MHz) and slowly in the range of high frequency (15 MHz−1 GHz). The composites with certain composition have better performance of electromagnetic loss than a single component due to the synergistic effect between their components. 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title Controlled Synthesis of the Poly(N-methylaniline)/Zn0.6Mn0.2Ni0.2Fe2O4 Composites and Its Electrical-Magnetic Property
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