237439.fig.002a
(a)
237439.fig.002b
(b)
237439.fig.002c
(c)
237439.fig.002d
(d)
Figure 2: HR-TEM images of iron NWs: (a) low-magnification image; (b) high-magnification image at square area of (a); (c) HR-TEM images of iron NWs, 1.1, 2.1, 3.1, 4.1, and 5.1 are atomic resolution related to 1, 2, 3, 4, and 5 positions in (c), respectively; and (d) electron diffraction pattern at circle area of (a).