Figure 3.

Field emission properties and FN plot. Properties of (a) the current density versus applied field and (b) the corresponding FN plot for a single P-SiNT nanodiode (red circle), P-SiNT array nanodiode (hollow circle), and P-SiNT array microdiode (hollow square).

Cheng et al. Nanoscale Research Letters 2012 7:125   doi:10.1186/1556-276X-7-125
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