Theoretical study of optical properties of non-polar BAlGaN/AlN quantum wells lattice-matched to A1N

被引：2

作者：

Park, Seoung-Hwan ^{[1
]}

Ahn, Doyeol ^{[2
]}

机构：

[1] Daegu Catholic Univ, Dept Elect Engn, Hayang 38430, Kyeongbuk, South Korea

[2] Univ Seoul, Dept Elect & Comp Engn, 90 Jeonnong, Seoul 02504, South Korea

来源：

SOLID STATE COMMUNICATIONS | 2019年 / 290卷

基金：

新加坡国家研究基金会;

关键词：

SUBSTRATE; PLANE; MOVPE;

D O I：

10.1016/j.ssc.2019.01.006

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Light emission characteristics of non-polar ultraviolet (UV) BxAlyGa1-x-yN/AlN quantum well (QW) structures lattice-matched to AlN substrate were theoretically investigated using the multiband effective-mass theory. The peak intensity of the non-polar BAlGaN/AlN QW structure lattice-matched to AlN is found to be much larger than that of the c-plane BAlGaN/BAlGaN QW structure lattice-matched to AlN. Also, the lattice-matched BAlGaN/AlN QW structure shows a large polarization ratio and its value changes from 0.7 to 0.9 in an investigated range of carrier density. We expect that non-polar BAlGaN/BAlGaN QW structures lattice-matched to AlN could be used as a UV light source with a higher crystal quality.

引用

页码：67 / 69

页数：3

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