TY - JOUR AU - Robins, Lawrence AU - Bertness, Kristine AU - Barker, John AU - Sanford, Norman AU - Schlager, John C2 - Journal of Applied Physics DA - 2007-06-01 DO - https://doi.org/10.1063/1.2736266 LA - en M1 - 101 PB - Journal of Applied Physics PY - 2007 TI - Optical and Structural Study of GaN Nanowires Grown by Catalyst-Free MBE: (II) Defect-Related Luminescence and Electron-Beam Irradiation Effects ER -