Visible emission from ZnCdO/ZnO multiple quantum wells

被引：16
|
作者：
Lange, Martin [1 ]
Dietrich, Christof P. [1 ]
Brachwitz, Kerstin [1 ]
Stoelzel, Marko [1 ]
Lorenz, Michael [1 ]
Grundmann, Marius [1 ]
机构：
[1] Univ Leipzig, Inst Expt Phys 2, D-04103 Leipzig, Germany
来源：
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2012年 / 6卷 / 01期
关键词：
ZnCdO; ZnO; multiple quantum well structures; luminescence;
D O I：
10.1002/pssr.201105489
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polar c-axis oriented Zn0.75Cd0.25O/ZnO multiple quantum wells (MQWs), grown by pulsed-laser deposition (PLD), emitting in the visible spectral range are reported. By applying a low growth temperature of approximate to 300 degrees C a large Cd content of 0.25 and abrupt interfaces could be achieved using PLD. The emission energy was tuned from the green to the violet spectral range (2.5 eV to 3.1 eV) by tuning the quantum well thickness. It is determined by the quantum confinement effect and the quantum-confined Stark effect. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：31 / 33
页数：3
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