期刊
APPLIED PHYSICS LETTERS
卷 101, 期 18, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4764070
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- ONR-MINE program
Pronounced polarized light emission was observed from N-polar AlGaN/GaN multi quantum wells grown on (000 (1) over bar) GaN with a misorientation of 4 degrees toward the m-direction grown by metal organic chemical vapor deposition. The misoriented (Al,Ga,In)N layers exhibited a high density of surface steps parallel to the < 11 (2) over bar0 > direction with step heights between 1 and 2 nm. The corrugated surfaces led to the formation of self organized quantum wire arrays in samples with 2.5 and 3.5 nm thick wells, revealed by a degree of polarization of 0.19 and 0.14, respectively, for light emission at 10K. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4764070]
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