Preparation of Nanocomposites Resin from Seed Pterodon emarginatus Doped Maghemite Nanoparticles
Electrical characterization and magnetic nanocomposite resin seeds Pterodon emarginatus (PE) doped with nanoparticles of maghemite and treated by different chemical processes is reported in this paper. The pure PE resin showed semiconducting characteristics probably the presence of natural iron oxide in its molecular structure. The analysis of Mössbauer spectra pure resin showed two magnetic sites presented on measurements made at temperature of 300 K. Six “LEDs” to have been doped maghemite nanoparticles forming concentrations of 2.6 × 1015 to 1.56 × 1016 particles/cm2 forming the LED-PEMN. In the presence of the applied current versus voltage (0 to 0.9 V) LEDPEMN shown semiconducting properties. In the presence of frequency versus voltage sample of pure resin and LED features small decrease. While samples of LED-PEMN suffers loss frequency linearly with concentration and voltage. The pure PE resin shows high resistance to the applied voltage while the LED-PEMN is observed linear increase with the strength and concentration of nanoparticles of maghemite.
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Document Type: Research Article
Publication date: 2012-06-01
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