Figure 4.

Electroluminescence measurements. Electroluminescence spectra of a single InGaN/GaN core-shell wire LED structure measured at 300 K with a metallic tip (> 20 V) for 2, 10, 25, 40 and 60 μA. The inset shows a schematic view of the contact.

Salomon et al. Nanoscale Research Letters 2013 8:61   doi:10.1186/1556-276X-8-61
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