Figure 3.

The electron field emission properties of the N2-UNCD nanorods. Inset (a) shows the corresponding Fowler-Nordheim plot. Inset (b) shows the plasma illuminating current stability measurement of a microplasma cavity, which utilized the N2-UNCD nanorods as cathode and ITO glass as anode.

Sankaran et al. Nanoscale Research Letters 2012 7:522   doi:10.1186/1556-276X-7-522
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