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Gas sensing properties of Zn-doped p-type nickel ferrite
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.
2012 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, Vol. 171, 354-360 p.Article in journal (Refereed) Published
Abstract [en]

The influence of zinc ion to the NiFe2O4 p-type semiconductor gas response characteristics is demonstrated. For characterization of gas sensor material, synthesized by sol-gel auto combustion method. X-ray diffraction (XRD), scanning electron microscopy (SEM), DC resistance and impedance spectroscopy (IS) measurements were employed. The response change of Zn doped nickel ferrite is related to the interruption of hole hopping between nickel ions. This was improved by change of conductivity type with temperature and gas exposure.

Place, publisher, year, edition, pages
2012. Vol. 171, 354-360 p.
Keyword [en]
Spinel ferrite, Sol-gel combustion synthesis, Gas sensor, Nanomaterial, Impedance spectroscopy
National Category
Analytical Chemistry Chemical Engineering
URN: urn:nbn:se:su:diva-81815DOI: 10.1016/j.snb.2012.04.059ISI: 000308572700043OAI: diva2:566834


Available from: 2012-11-09 Created: 2012-11-01 Last updated: 2012-11-09Bibliographically approved

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Stingaciu, M.
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Inorganic and Structural Chemistry
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