Figure 4

Observation of the superlattice of PdCu NWs.
(a), The TEM image of a PdCu NWs. (b), The SAED pattern taken from the dashed circle in (a). (c), A HR-TEM image taken from the dashed rectangle in (a), the enlarged HR-TEM images in (d), (e) and (f) are from the corresponding dashed box (d), (e) and (f). (g), The scheme of the superlattice.