Quantum well engineering in InGaN/GaN core-shell nanorod structures

被引:7
|
作者
Bryce, C. G. [1 ]
Le Boulbar, E. D. [2 ]
Coulon, P-M [2 ]
Edwards, P. R. [1 ]
Girgel, I. [2 ]
Allsopp, D. W. E. [2 ]
Shields, P. A. [2 ]
Martin, R. W. [1 ]
机构
[1] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland
[2] Univ Bath, Dept Elect & Elect Engn, Bath BA2 7AY, Avon, England
基金
英国工程与自然科学研究理事会;
关键词
nanostructure; InGaN; cathodoluminescence; LED; GaN; nanorod;
D O I
10.1088/1361-6463/aa8ae4
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report the ability to control relative InN incorporation in InGaN/GaN quantum wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.
引用
收藏
页数:7
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