CAO Jian-ming, QIN Jie-ming, ZHANG Zhen-zhong, WANG Li-kun, ZHENG Jian, HAN Shun, ZHAO Yan-min, ZHANG Bing-ye, ZHANG Ji-ying, SHEN De-zhen. Annealing Effect on Smoothness and Composition of Cubic-phase Mg<sub>0.57</sub>Zn<sub>0.43</sub>O Thin Film[J]. Chinese Journal of Luminescence, 2011,32(10): 973-976
CAO Jian-ming, QIN Jie-ming, ZHANG Zhen-zhong, WANG Li-kun, ZHENG Jian, HAN Shun, ZHAO Yan-min, ZHANG Bing-ye, ZHANG Ji-ying, SHEN De-zhen. Annealing Effect on Smoothness and Composition of Cubic-phase Mg<sub>0.57</sub>Zn<sub>0.43</sub>O Thin Film[J]. Chinese Journal of Luminescence, 2011,32(10): 973-976DOI:
Annealing Effect on Smoothness and Composition of Cubic-phase Mg0.57Zn0.43O Thin Film
O thin films grown at 450 ℃ by metal-organic chemical vapor deposition were studied. After annealed at 550
650
750 and 850 ℃ in oxygen atmospheres
the crystal quality and surface smoothness of the thin films were improved significantly. Their bandgap shifts continuously to the higher energy the increasing annealing temperature. Confirmed by energy dispersive X-ray spectra
the enlarged bandgap was caused by the decrease of Zn content during annealing. Phase separation of the Mg
0.57
Zn
0.43
O films with significant surface roughening can also be observed during annealing at 950 ℃.
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references
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