梁红伟   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Main positions: 集成电路学院院长

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Language:English

Paper Publications

Title of Paper:p-ZnMgO/n-GaN异质结器件的紫外电致发光

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Date of Publication:2011-11-04

Page Number:79-79

Abstract:紫外半导体发光器件在照明和通讯等领域有着广泛的应用,直接宽带隙的ZnO材料被认为在制备高效率紫外发光器件方面极具应用潜力。当Mg的组分不太大时,ZnMgO材料的基本性质与ZnO材料类似,但禁带宽度大于后者,因此利用其可制备出波长更短的紫外发光器件。同ZnO材料一样,ZnMgO材料的p型掺杂问题并没有获得很好的解决。我们采用夹层掺杂方法,在n-GaN/Al2O3衬底上采用MOCVD方法生长p-ZnMgO:As薄膜,接着在n-GaN和p-ZnMgO上分别制作In和Au电极,这样就制备出p-ZnMgO/n-GaN异质结器件。

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