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AISI 4140 steel was selected as the material and plasma post-oxidation by plain air in the same nitriding system just after plasma nitriding was investigated primarily. The results show that a thin oxide layer composed of Fe3O4 and Fe2O3 is formed, and the ratio of Fe3O4 to Fe2O3 is closely related to the plasma post-oxidizing temperature and time. The highest ratio of Fe3O4 to Fe2O3 is obtained while...
ZnO thin films were prepared on Si (111) substrates at various temperatures from 250 to 700°C using pulsed laser deposition (PLD) technique in order to investigate the structural and optical properties of the films. The structural and morphological properties of the films were investigated by XRD and SEM measurements, respectively. The quality of the films was improved with the increase of the temperature...
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