Figure 6.

Calculated threshold characteristics at u = 0.1 (a) for l = 60 and (b) l = 25, and (c) l = 3. The dashed straight lines in blue are guides to the eye exhibiting a slope corresponding to thermal activation.

Wulf et al. Nanoscale Research Letters 2011 6:365   doi:10.1186/1556-276X-6-365
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