Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 6, Issue 1, Pages 31-33Publisher
WILEY-BLACKWELL
DOI: 10.1002/pssr.201105489
Keywords
ZnCdO; ZnO; multiple quantum well structures; luminescence
Funding
- Deutsche Forschungsgemeinschaft [SFB 762]
- Graduate School Leipzig School of Natural Sciences - Building with Molecules and Nano-objects (BuildMoNa) [GS185/1]
- European Social Fund
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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
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