Optical, structural, and numerical investigations of GaAs/AlGaAs core-multishell nanowire quantum well tubes
Fickenscher, M A; Shi, Teng; Jackson, Howard E; Smith, Leigh M; Yarrison-Rice, Jan M; Zheng, Changlin; Miller, Peter; Etheridge, Joanne; Gao, Qiang; Wong, Bryan M; Deshpande, Shriniwas; Jagadish, Chennupati; Tan, Hark Hoe
The electronic properties of thin, nanometer scale GaAs quantum well tubes embedded inside the AlGaAs shell of a GaAs core-multishell nanowire are investigated using optical spectroscopies. Using numerical simulations to model cylindrically and hexagonally symmetric systems, we correlate these electronic properties with structural characterization by aberration-corrected scanning transmission electron microscopy of nanowire cross sections. These tubular quantum wells exhibit extremely high...[Show more]
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