Abstract
Sintering of a ZnO–SnO2 mixture under argon flow leads to the growth of microrods on the sample surface, which areformed by oriented stacks of nanoplates. Energy dispersive spectroscopy andcathodoluminescence (CL) in the scanning electron microscope show that thestacks of nanoplates consist of Sn doped ZnO. The stacks of nanoplates have welldefined orientations relative to the growth axis of the rod. The formation of thenanoplates, which is not observed when undoped ZnO is used in the same process, isattributed to the stresses generated by the presence of Sn atoms in the rods.
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