Effect of transition metals (MO-TiO2, MnO2, Fe2O3, and ZnO) on crystallization and electrical conductivity of SiO2–CaO–Na2O–P2O5-based glass-ceramics

Various glasses are synthesized by melt quench technique. The addition of transition metal (TM) oxides into glasses paves the light on their crystallization and sinterability. The formation of different crystalline phases and their microstructures significantly influenced the conduction mechanism in...

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Bibliographic Details
Published in:Ionics 2020-06, Vol.26 (6), p.2959-2967
Main Authors: Danewalia, Satwinder Singh, Khan, Savidh, Dhillon, Sandeep, Bansal, Neetu, Sharma, Gaurav, Singh, K.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Conductors
Crystallization
Electrical resistivity
Electrochemistry
Energy Storage
Glass ceramics
Manganese dioxide
Optical and Electronic Materials
Original Paper
Phosphorus pentoxide
Renewable and Green Energy
Silicon dioxide
Sinterability
Titanium dioxide
Transition metals
Zinc oxide
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Summary:Various glasses are synthesized by melt quench technique. The addition of transition metal (TM) oxides into glasses paves the light on their crystallization and sinterability. The formation of different crystalline phases and their microstructures significantly influenced the conduction mechanism in these glass-ceramics. ZnO seemed to act as glass modifier, while TiO 2 appears to act as glass former in the present glasses. Other two TM oxides might have played a role as intermediate oxides. The present glass-ceramics are mixed conductors (ionic+electronic). MnO 2 -contained sample shows highest electrical conductivity while Fe 2 O 3 -contained sample show lowest conductivity. The observed results are interpreted on the basis of structural differences of the samples.
ISSN:0947-7047
1862-0760
DOI:10.1007/s11581-019-03311-y