Impedance spectroscopy study of the AC conductivity of sodium superoxide nanoparticles doped vanadate based glasses

被引：0

作者：

Barde R.V. ^{[1
]}

Nemade K.R. ^{[2
]}

Waghuley S.A. ^{[3
]}

机构：

[1] Department of Physics, Govt. Vidarbha Institute of Science and Humanities, Amravati

[2] Department of Physics, Indira Mahavidyalaya, Kalamb

[3] Department of Physics, Sant Gadge Baba Amravati University, Amravati

来源：

Materials Science for Energy Technologies | 2021年 / 4卷

关键词：

Electrical conductivity; Hopping distance; Impedance spectroscopy; Nyquist plots; Sodium superoxide;

D O I：

10.1016/j.mset.2021.06.004

中图分类号：

学科分类号：

摘要：

In the present work, we successfully prepared sodium superoxide (NaO2) doped vanadium phosphate borate glasses using normal melt quenching technique of composition 60V2O5–5P2O5–(35-x) B2O3–xNaO2, x = 0, 10, 15 and 20 mol %. The foremost objective of this work is to explore the transport properties of sodium superoxide doped vanadium phosphate borate glasses. The impedance spectroscopy was employed to investigate transport properties of all glass systems under study. The AC conductivity for all glass systems were investigated in temperature range 308–473 K. The Jonscher's power law found to be fit with conductivity data, which decrease with temperature and satisfies the criteria of the correlated hopping model. The activation energy (Ea) estimated from the Arrhenius plot and it is observed to be 0.12 eV. © 2021

引用

页码：202 / 207

页数：5

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