Figure 4

(a,b)SEM and TEM images of NiFe-BFC core-shell nanowires with diameter 100 nm. (c,d) SEM and TEM images of NiFe-BFC core-shell nanowires with diameter 300 nm, respectively.
(a,b)SEM and TEM images of NiFe-BFC core-shell nanowires with diameter 100 nm. (c,d) SEM and TEM images of NiFe-BFC core-shell nanowires with diameter 300 nm, respectively.