Transport properties of lithium ions doped vanado-bismuth-tellurite glasses

The glasses of composition (65-x)V2O5-xLi2O-20TeO2-15Bi2O3 (x = 15 and 25 mol%) were prepared by conventional melt quenching method and their electrical conductivity and dielectric measurements have been carried out in the frequency range 40Hz to 6MHz over a temperature 373 to 473 K. The conductivit...

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Bibliographic Details
Main Authors: K., Keshavamurthy, Eraiah, B.
Format: Conference Proceeding
Language:English
Subjects:
Bismuth
BISMUTH OXIDES
CAPACITANCE
CONCENTRATION RATIO
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DIELECTRIC MATERIALS
DIELECTRIC PROPERTIES
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
Electrical resistivity
GLASS
Lithium
LITHIUM ADDITIONS
Lithium ions
LITHIUM OXIDES
METALLIC GLASSES
QUENCHING
Reactance
Tellurium dioxide
TELLURIUM OXIDES
VANADATES
VANADIUM OXIDES
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Summary:The glasses of composition (65-x)V2O5-xLi2O-20TeO2-15Bi2O3 (x = 15 and 25 mol%) were prepared by conventional melt quenching method and their electrical conductivity and dielectric measurements have been carried out in the frequency range 40Hz to 6MHz over a temperature 373 to 473 K. The conductivity values increased with both Li2O concentration and temperature. Interestingly, the dielectric response showed the existence of a negative capacitance effect in the present glass system and concluded that this effect arose from the presence of external inductive reactance.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4948023