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Phase transformation behavior of zinc metastannates obtained by aqueous precipitation at different temperatures
Water Research Center, Sultan Qaboos University, 123 Al Khoud, Oman.ORCID iD: 0000-0002-0074-3504
2014 (English)In: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 49, no 20, 7282-7289 p.Article in journal (Refereed) Published
Abstract [en]

Phase transformation studies in ZnO-SnO2 system from zinc metastannate (ZnSnO3) to zinc orthostannate (Zn2SnO4) with annealing temperature are reported. Non-centrosymmetric oxides show unique symmetry dependent and spontaneous polarization properties, which are technologically important. ZnSnO3 particles were synthesized by a simple aqueous synthesis at low temperatures designed with the assistance of potential-pH diagrams. ZnSnO3 particles synthesized at 4 A degrees C are more porous losing the ilmenite structure upon annealing at 200 A degrees C, while the other samples prepared at higher temperatures (25-65 A degrees C) becomes amorphous at 300 A degrees C. The phase transformation into the inverse spinel orthostannate phase occurs around 750 A degrees C in all the samples.

Place, publisher, year, edition, pages
Springer-Verlag New York, 2014. Vol. 49, no 20, 7282-7289 p.
National Category
Nano Technology
URN: urn:nbn:se:kth:diva-175185DOI: 10.1007/s10853-014-8437-3ISI: 000339963800046ScopusID: 2-s2.0-84905595232OAI: diva2:914267

QC 20160330

Available from: 2016-03-23 Created: 2015-10-10 Last updated: 2016-03-30Bibliographically approved

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Dutta, Joydeep
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