Y. Lang, Zhipeng Wei, Y. Zou, Mei Li, Y. Hao, Z. Li, Guojun Liu, Xiao-hui Ma, Jinhua Li, X. Fang, F. Fang, Shanshan Tian
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The optical characterization of GaSb treatment by sodium sulfide solution
In this paper, the oxide layer of surface of GaSb could be removed by passivation solution. Moreover, different passivation solution have different passivation effect. After passivation treatment, the PL intensity was enlarged. Then the influence of prove passivation time on the intensity of PL was also discussed. When passivation time was 270s, the sample's intensity of PL was the strongest. Additionally, this passivation treatment could improve the whole substrate's PL intensity.
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