{HEAD ~ The nanofilament} and the conductor are electrically connected by a circuit, and a tunneling current is configured to flow from the nanofilament to {TAIL ~ the surface} of the conductor substantially perpendicular to the longitudinal axis of the nanofilament 
{ HEAD ~ The nanofilament } and the conductor are electrically connected by a circuit , and a tunneling current is configured to flow from the nanofilament to { TAIL ~ the surface } of the conductor substantially perpendicular to the longitudinal axis of the nanofilament
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