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:Ga2O3作载流子阻挡层的n-ZnO/p-GaN异质结发光二极管

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Date of Publication:2011-11-04

Page Number:34-34

Abstract:  我们采用低压MOCVD制作了n-ZnO/p-GaN和n-ZnO/Ga2O3/p-GaN异质结发光二极管。相对于n-ZnO/p-GaN来说,采用Ga2O3做载流子阻挡层的器件表现出良好的紫外发光,且深能级发光受到明显抑制。我们采用了Anderson模型从能级角度解释了这一现象,发现Ga2O3能有效地把电子阻挡在ZnO层,同时p-GaN中的空穴则不受到阻挡,能够穿过该层进入ZnO并在其中发生辐射复合。

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