We report the nanoscale optical investigation of a single GaN p-n junction nanorod by cathodoluminescence (CL) in a scanning transmission electron microscope. CL emission characteristic of dopant-related transitions was correlated to doping and structural defect in the nanorod, and used to determi ... [Appl. Phys. Lett. 102, 253104 (2013)] published Wed Jun 26, 2013.
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