Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/17616
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Título : Current–voltage characteristic behaviour of dense Zn2SnO4-ZnO ceramics
Autor : Iglesias Vega, Yolanda, Peiteado, M., Frutos, J. de, Caballero Cuesta, Amador
Palabras clave : ZnO
Zn2SnO4
Electrical conductivity
Fecha de publicación : 2007
Editor: Elsevier
Resumen: The present work deals with the electrical characterization of undoped Zn2SnO4 (ZTO) and SnO2-doped ZnO bulk ceramics in order to clarify the role played by the ZTO spinel type phase in the electrical response of these materials. For this purpose, SnO2-doped ZnO materials with SnO2 concentrations of 0.1, 1 and 10 mol% have been prepared by co-precipitation and undoped ZTO powders have been prepared by a classical mixing oxide procedure. ZTO materials with 90–92% of the theoretical density have been obtained and non-linear behaviour is observed for ZTO- and SnO2-doped ZnO materials. For SnO2-doped ZnO the appearance of non-linear I–V behaviour is mainly dominated by the formation of the ZTO phase and the interfaces associated to its presence. ZTO shows a NTC behaviour that is in disagreement with the PTC behaviour previously reported in the literature.
Versión del editor: http://dx.doi.org/10.1016/j.jeurceramsoc.2007.02.065
URI : http://hdl.handle.net/10261/17616
DOI: 10.1016/j.jeurceramsoc.2007.02.065
Citación : Journal of the European Ceramic Society 27 (2007) 3931–3933
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