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The first-principles with pseudopotentials method based on the density functional theory was applied to calculate the geometric structure, the formation energy of impurities and the electronic structure of ZnO doped with Ag. The calculated conclusions show that the O-rich condition is better for p-type doping than the Zn-rich condition. The Ag dopant prefers to occupy the substitutional Zn site, which...
This study reported the preparation of ZnO-coated SiO x nanowires and investigated changes in the structural and photoluminescence (PL) characteristics resulting from application of a thermal annealing process. While X-ray diffraction (XRD) analysis revealed the annealing-induced transformation of ZnO to Zn 2 SiO 4 , transmission electron microscopy (TEM) observation suggested...
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