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Title: | Complex impedance spectroscopy properties of Fe3BO6 nanocrystallites prepared by combustion method |
Authors: | Kumari, K. Ramteke, R. Rahman, M.R. |
Issue Date: | 2019 |
Citation: | Materials Today: Proceedings, 2019, Vol.18, , pp.4330-4333 |
Abstract: | In this investigation, we report a part of our work on Impedance spectroscopy of Fe3BO6 nanoceramics prepared by a selfcombustion of a solid precursor mixture of 60Fe2O3-40B2O3 using camphor as a fuel in ambient air. A single phase compound Fe3BO6 of an orthorhombic crystal structure with Pnma space group and average crystallites size D = 42 nm is analyzed from the X-ray diffractogram. The Z?-value decreases with a shift in the peak frequency towards the higher side with rise in temperature arises possibly due to the presence of dipolar response in the material, which is in good agreement with the observation of complex impedance data. Temperature dependent impedance describes Fe3BO6 to be an ionic conductor; with activation energy (Ea) value0.73 eV. The Ea-values so obtained for the dielectric relaxation from the tp-values suggests a conduction mechanism involving the polaron hopping. � 2019 Elsevier Ltd. All rights reserved. |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/8011 |
Appears in Collections: | 2. Conference Papers |
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