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We demonstrated the formation of GaN-based nanorod (NR) structure by using self-assemble Ni nanoislands as the etching mask. It was found that crystal quality of the GaN epilayer prepared on an NR GaN template was significantly better than that prepared with a conventional low-temperature GaN nucleation layer. With the NR GaN template, it was found that 20-mA light-emitting diode (LED) output power...
Beams of neutral atoms or molecules at thermal energies are already known as a powerful probe for structural and dynamical analysis of solid surface properties, and in particular characteristics on the nanometer scale. By the implementation of suitable optical elements, based on nanometric features obtained by lithographic methods, the neutral beams can be focused. This opens up the possibility on...
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