Synthesis and evaluation of the structural, microstructural, optical and magnetic properties of Zn1−xCoxO thin films grown onto glass substrate by ultrasonic spray pyrolysis

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dc.contributor.authorSabrina Roguai
dc.date.accessioned2024-02-15T18:40:05Z
dc.date.available2024-02-15T18:40:05Z
dc.date.issued2019-10-29
dc.description.abstractUltrasound pyrolysis spray technique is used to prepare single-phase thin films of Zn1−xCoxO (x=0–22 at.%). The hexagonal wurtzite structure of the films is confirmed by X-ray diffraction with an average crystallite size estimated in the range of 18–30 nm. The compound structure and stoichiometry of the films are further characterized by energy-dispersive spectroscopy (EDAX). The spectrum analysis agreement great chords between the expected and measured Co atomic content in the films indicating an effective doping. The results also reveal a high solubility of Co into ZnO solid solution at about 14 at.%. For the optical proprieties, the bandgap energy decreases due to the presence of high concentrations of localized states in the thin films. The photoluminescence spectra of all the samples exhibited a broad emission in the visible range. In addition, the magnetic properties of Zn1−xCoxO thin films are found to be strongly influenced by Co doping
dc.identifier.urihttp://dspace.univ-khenchela.dz:4000/handle/123456789/1254
dc.language.isoen
dc.titleSynthesis and evaluation of the structural, microstructural, optical and magnetic properties of Zn1−xCoxO thin films grown onto glass substrate by ultrasonic spray pyrolysis
dc.title.alternativeSynthesis and evaluation of the structural, microstructural, optical and magnetic properties of Zn1−xCoxO thin films grown onto glass substrate by ultrasonic spray pyrolysis
dc.typeArticle
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