Zinc oxide (ZnO) is an attractive material for many applications in electronics, photonics, sensing, among others [1]. There are a number of techniques for preparing ZnO powders including thermal decomposition, precipitation, spay pyrolysis, hydrothermal synthesis, and mechanochemical processes [2-3]. However, nanocrystalline ZnO is difficult and inconvenient to obtain due to its high degree of agglomeration. Mechanical milling has proved to be an effective and simple technique to produce nanocrystalline powders and the possibility to obtain large quantities of materials. Some studies have shown the effect of highenergy ball milling on the structural and microstructural changes in monoclinic zirconia. [4] The aim of this investigation is to show the transition from the initial laminates of Zn mesh 20 through different milling times into ZnO. The milled powders were analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The initial materials was Zn mesh 20, the mechanical milling parameters was 500 rpm, 0.5 ml of methanol as a control agent and a weight ratio for ball to powder of 5:1.
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