Figure 4

(a) HAADF STEM image of the (Bi,Sb)2Te3 nanoplate. The composition map of the Bi, Te and Sb of the same area are shown as separate images on part (b–d) respectively.
(a) HAADF STEM image of the (Bi,Sb)2Te3 nanoplate. The composition map of the Bi, Te and Sb of the same area are shown as separate images on part (b–d) respectively.