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http://hdl.handle.net/2080/3161
Title: | High-temperature Impedance and Dielectric Studies of Ni0.5Zn0.5WO4 Micro Stone Prepared Via Solid-state Route |
Authors: | Karmakar, Subrata Behera, Dhrubananda |
Keywords: | Nickel-zinc tungstate Impedance spectra Dielectric constant and loss AC conductivity DC activation energy |
Issue Date: | Dec-2018 |
Citation: | 1st International Conference on Processing and Characterization of Materials (ICPCM 2018), NIT Rourkela, India, 6-8 December 2018 |
Abstract: | The Ni0.5Zn0.5WO4 microtone was prepared via conventional solid-state synthesis techniques and its phase formation with monoclinic structure (space group- P2/c) was investigated with a view to understand its structural, morphological and dielectric properties. The phase formation and average particle size (31.38 μm) were ascertained by X-ray Diffractometry (XRD) and Field emission Scanning Electron Microscope (FESEM) techniques respectively. The real and imaginary impedance Z', Z^'', dielectric constant (𝟄r), loss (δ) and ac conductivity (σac) was measured in the frequency range 100Hz-1MHz with high-temperature evolution (200° c-460° c).The dominancy of electrode ceramic effect and Non-Debye type dipolar relaxation was observed with high temperature evolution above 2000c.The dielectric constant and loses was enhances with increase of temperature and ac conductivity was fitted with well-known Jonscher power law with dc activation energy 0.834 eV. |
Description: | Copyright of this document belongs to proceedings publisher. |
URI: | http://hdl.handle.net/2080/3161 |
Appears in Collections: | Conference Papers |
Files in This Item:
File | Description | Size | Format | |
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2018_ICPCM _SKarmakar_High Tempeture.pdf | Paper | 1.15 MB | Adobe PDF | View/Open |
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