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Thermal and Electrical Properties of Na2ti3o7/Na2ti6o13/Poma Composites
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We carried out a study of the temperature dependence of the electrical properties of Na 2 Ti 3 O 7 /Na 2 Ti 6 O 13 /POMA composites. The samples for this study were composites formed by a biphasic sodium titanate, admixed with poly-o-methoxyaniline (POMA) in different concentrations. The structural details were studied by means of x-ray diffraction (XRD). The thermal properties investigated by means of differential thermal analysis (DTA) and thermogravimetry (TGA). The analysis of the complex impedance spectroscopy measurements shows that the electrical resistivity can increase as much as 2 orders of magnitude for some compositions in the temperature range from 25 to 80 °C. This effect (PTCR) was less visible in the composite with highest POMA mass content (50%). The rapid increase in resistivity caused an increase in the relaxation time calculated from the time domain.
Title: Thermal and Electrical Properties of Na2ti3o7/Na2ti6o13/Poma Composites
Description:
We carried out a study of the temperature dependence of the electrical properties of Na 2 Ti 3 O 7 /Na 2 Ti 6 O 13 /POMA composites.
The samples for this study were composites formed by a biphasic sodium titanate, admixed with poly-o-methoxyaniline (POMA) in different concentrations.
The structural details were studied by means of x-ray diffraction (XRD).
The thermal properties investigated by means of differential thermal analysis (DTA) and thermogravimetry (TGA).
The analysis of the complex impedance spectroscopy measurements shows that the electrical resistivity can increase as much as 2 orders of magnitude for some compositions in the temperature range from 25 to 80 °C.
This effect (PTCR) was less visible in the composite with highest POMA mass content (50%).
The rapid increase in resistivity caused an increase in the relaxation time calculated from the time domain.
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