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    Synthesis and Structural Characterization of Y-doped Pyramidal ZnO Powders
    (2020) Kebiroğlu, Hanifi; Kaygılı, Ömer; Bulut, Niyazi; Okur, Havva Esma; Ercan, Ismail; Ercan, Ismail; Yahıa, I.S.; Ateş, Tankut; Köytepe, Süleyman; Seçkin, Turgay; İnce, Turan
    Abstract: The present study focuses on the structural changes in ZnO powder induced by doping of a rare earth metal of Y. For this aim, we synthesized four ZnO samples with different Y-content using the combustion reaction method. X-ray powder diffraction (XRPD) technique and scanning electron microscopy (SEM) results confirm that the asinvestigated structural parameters and morphology of the ZnO structure were affected directly by the concentration of Y dopant. For each Y-doped sample, randomly-oriented pyramidal morphology and the formation of a minority phase of Y2O3 were observed. A gradual increase in both lattice parameters and unit cell volume was detected with increasing Y content. All samples were found to be thermally stable in the temperature interval of 25-950 °C.