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AFM (top) and SEM (bottom) images of the vanadium oxide nanowire networks.
dc conductivity as a function of . The solid line is the best fit to Mott’s model [Eq. (1)].
Low-temperature conductivity vs . The solid line is the best fit to Eq. (5).
Decay curves at some selective temperatures right after switching off the light. The solid lines are the best fits to Eq. (7).
The effective decay constant at some selected temperatures.
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