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Figure 1
(a) Dark-current–voltage measurements. (b) Superpositioned image of the XBIC signals (red) and XRF signals for In (green) and Au (blue) from a two-dimensional scan of the InGaP nanowire. (c) Schematic of the XBIC experiment. (d) One-dimensional scan (50 nm step size) along the center of the nanowire showing the XBIC (red) and XRF signals (blue) in a semilogarithmic plot. The black lines are fits using exponential decay functions. The vertical gray lines correspond to the nominal length of each nanowire segment with the nanowire–Au particle interface at x = 0. |
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