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Subject: search.filters.subject.Cobalt-doped ZnO

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    Item type:Publication,
    Cobalt-doped ZnO powders by a simple solid-state method
    (2016-01-01)
    Panyajirawut, Pongladda
    ;
    Srithep, Kitiya
    ;
    Namsa, Chanatda
    ;
    Kitcharoen, Rawiporn
    ;
    Pecharapa, Wisanu
    Cobalt-doped ZnO powders with various dopant concentrations were synthesized using a simple-solid method. ZnO and Co<inf>3</inf>O<inf>4</inf> powders were employed as the precursors. The powders were annealed at 500-900 °C in air. The crystal structural and magnetic properties were studied by means of XRD and VSM, respectively. The XRD patterns show the hexagonal wurtzite structure of the powders. The magnetic measurements by H-M loops reveal the combination of paramagnetism and ferromagnetism as well as the influence of Co dopant to magnetic properties of Zn<inf>1-x</inf>Co<inf>x</inf>O.