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dc.contributor.authorWanichaya Mekprasarten_US
dc.contributor.authorThanit Tangcharoenen_US
dc.contributor.authorPuritat Nakhanivejen_US
dc.contributor.authorWisanu Pecharapaen_US
dc.date.accessioned2019-08-21T09:18:21Z-
dc.date.available2019-08-21T09:18:21Z-
dc.date.issued2016en_US
dc.identifier.citationChiang Mai Journal of Science 43, 2 (SPECIAL ISSUE 1, 2016), 345 - 350en_US
dc.identifier.issn0125-2526en_US
dc.identifier.urihttp://it.science.cmu.ac.th/ejournal/dl.php?journal_id=6730en_US
dc.identifier.urihttp://cmuir.cmu.ac.th/jspui/handle/6653943832/66094-
dc.description.abstractSpinel-type zinc stannate (Zn2SnO4) powders were synthesized by co-precipitation method using zinc chloride and tin chloride as the precursors for Zn and Sn sources, respectively. Co-precipitation process is one of effective techniques due to non-complex system, short process time, high yield, large scale production and cost-effectiveness comparing to other methods. The influence of calcination temperature in the range of 900 °C to 1100 °C on the structure, morphologies and cation distribution were studied using various characterization techniques. A single spinel structure phase formation after-calcined powders are confirmed by X-ray diffraction (XRD) results meanwhile scanning electron microscope (SEM) showed the appearance of cubic-like shape. The aggregation of particle and strong crystallinity was distinctly increased resulting to their greater size by the effect of high calcined temperature. Moreover, the non-equilibrium site occupancy of zinc (Zn2+) and tin (Sn4+) ions was investigated through Zn K-edge and Sn L3-edge investigated by X-ray absorption (XAS) spectra via the synchrotron radiation light source. Compared with the calcined temperature sample, XANES spectra revealed that the oxidation state of Zn was +2 and Sn valence was +4 in all spinel Zn2SnO4 samples which well corresponds to the theoretical values.en_US
dc.language.isoEngen_US
dc.publisherScience Faculty of Chiang Mai Universityen_US
dc.subjectCalcinationen_US
dc.subjectCo-precipitationen_US
dc.subjectCube-like structureen_US
dc.subjectZn2SnO4en_US
dc.titleSynthesis and characterization of cubic-like zinc stannate powders prepared by co-precipitation methoden_US
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