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@article{167839, author = {Shivaprasad Chalawadi and Satyappa Kalliguddi and Malatesh S. Pujar and Mallikarjunagouda B Patil and Rajashekhar F. Bhajantri}, title = {Fabrication and Characterization of TiO2 doped Na-Tungstate (Heteropolyacid):Evaluation of Hall voltage across electrical conductor}, journal = {International Journal of Innovative Research in Technology}, year = {2024}, volume = {11}, number = {4}, pages = {575-583}, issn = {2349-6002}, url = {https://ijirt.org/article?manuscript=167839}, abstract = {In this work, we report 0.1 to 3wt. % of the titanium oxide (TiO2) doped with Sodium-Tungstate using heteropolyacid new generation conducting material by sol-gel method. The prepared new samples were molded into circular discs and were assessed to measure the Hall current via Hall coefficient and electrical conductivity. Using the Hall effect method, the highest conductivity value is obtained as 1.531 to 2.654 S cm-1. Impedance spectroscopy is performed to know information about bulk and grain boundary resistance. The tailored material was further characterized by Powder X-ray diffraction (PXRD) to study the crystalline structure, Fourier transform infrared spectroscopy (FTIR) and Secondary electron microscopy (SEM) is performed to know about functional groups and material surface morphology respectively. The doped sample has an over stoichiometric range upon the undoped sample in terms of electronic transport properties. The contrastive analysis between doped and undoped samples allows some conclusions about the atomic and electronic transport properties, both at high and low temperatures.}, keywords = {Nanoparticles, Heteropolyacid, FTIR, Hall Effect and Hall coefficient.}, month = {September}, }
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