Nanoscale Imaging of Individual AlN/GaN/AlN Quantum Disk embedded in GaN Nanowires - S. Petzold; S. Metzner; P. Veit; G. Schmidth; F. Bertram; et al.; FERNANDO SAAVEDRA, AMALIA LUISA; Sanchez Garcia, Miguel Angel; Calleja Pardo, Enrique (Proceedings, 2018)