Electrical properties of a new Ag+ ion conducting glassy system: x[0.75AgI:0.25AgCl] : (1−x)[Ag2O : P2O5] |
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| Authors: | R C Agrawal R K Gupta A Bhatt M L Verma Angesh Chandra |
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| Institution: | (1) Solid State Ionics Research Laboratory, School of Studies in Physics, Pt. Ravishankar Shukla University, 4920010, CG Raipur, India;(2) Department of Physics, M.P. Christian Engineering College, 490026, CG Bhilai, India;(3) Department of Physics, Govt. D.B. Girls P.G. College, 492001, CG Raipur, India |
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| Abstract: | A new fast Ag+ ion conducting glassy system: x0.75AgI:0.25AgCl]: (1−x)Ag2O: P2O5], where 0.1 ≤ x ≤ 1 in molar weight fraction, has been synthesized by melt-quench technique using a high-speed twin roller-quencher.
An alternate host salt: ‘quenched 0.75AgI: 0.25AgCl] mixed system/ solid solution’, has been used in place of the traditional
host AgI. The compositional dependence conductivity studies on the glassy systems: x0.75AgI:0.25AgCl]: (1−x)Ag2O: P2O5] as well as xAgI: (1−x)Ag2O: P2O5] prepared identically, indicated that the composition at x=0.75 exhibited the highest room temperature conductivity. The
composition: 0.750.75AgI: 0.25AgCl]: 0.25Ag2O: P2O5] has been referred to as optimum conducting composition (OCC). The study also revealed that the new/ alternate host yielded
better electrolyte system. The activation energy (Ea), involved in the thermally activated conductivity process has been computed from ‘log σ − 1/T’ Arrhenius plot.
Paper presented at the 2nd International Conference on Ionic Devices, Anna University, Chennai, India, Nov. 28–30, 2003. |
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