Author: Marian Stingaciu

0000000000364613

AUTHOR

Marian Stingaciu

showing 1 related works from this author

Gas sensing properties of Zn-doped p-type nickel ferrite

2012

Abstract 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.

DiffractionMaterials scienceScanning electron microscopebusiness.industryMetals and AlloysAnalytical chemistryConductivityCondensed Matter PhysicsCombustionSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsCharacterization (materials science)NanomaterialsDielectric spectroscopySemiconductorMaterials ChemistryElectrical and Electronic EngineeringbusinessInstrumentationSensors and Actuators B: Chemical

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