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GaN/AlN nanowires : nucleation, polarity and quantum heterostructures

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Academic year: 2021

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Figure 2.1: Kinetic Wulff plots for GaN grown by HVPE at 60 Torr, 850 ℃ and 760 Torr, 1080 ℃ – (a) mc plane, (b) ma plane and (c) ac plane – from [73]
Figure 2.8: Average enlarged NW di- di-ameter as function of (T substrate , Φ Φ Ga
Figure 2.11: NW top diame- diame-ter for samples grown with different (T substrate , Φ Φ Ga
Figure 2.19: In situ monitoring of the NW bending during AlN growth – N2133 increased tilt dispersion of the NWs.
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