Abstract
ZnO films were grown at low pressure in a vertical metal-organic vapor deposition ( MOCVD) reactor with a rotating disk. The structural and morphological properties of the ZnO films grown at different disk rotation rate ( DRR) were investigated. The growth rate increases with the increase of DRR. The ZnO film grown at the DRR of 450 revolutions per minute (rpm) has the lowest X-ray rocking curve full width at half maximum and shows the best crystalline quality and morphology. In addition, the crystalline quality and morphology are improved as the DRR increased but both are degraded when the DRR is higher than 450 rpm. These results can help improve in understanding the rotation effects on the ZnO films grown by MOCVD.
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