Figure 3

SEM images of (a) Nd-RE-Fe-oxide (b) Nd-RE-Fe-Al-Cu-oxide (c–l) TEM and TEM-EDS images of Nd-RE-Fe-Al-Cu-oxide (m) XRD patterns of Nd-RE-Fe-oxide and Nd-RE-Fe-Al-Cu-oxide.

SEM images of (a) Nd-RE-Fe-oxide (b) Nd-RE-Fe-Al-Cu-oxide (c–l) TEM and TEM-EDS images of Nd-RE-Fe-Al-Cu-oxide (m) XRD patterns of Nd-RE-Fe-oxide and Nd-RE-Fe-Al-Cu-oxide.