Anisotropic
18
O tracer diffusion in epitaxial films of
GdBaCo
2
O
5+δ
cathode material with different orientations
!"# ! $ $ %!
&" ’ ( $ )* "+ $ & ( , # ,$-*
&, .&&/&,0* ’ # ,
1* + " &- ( ’#*
2* !+ $ & ( , # ,$-* &,
.&&/&,0* ’ # ,
3* $+ " &- ( # $- # #*
(
* + $ & ( , # ,$-* &,
.&&/&,0* ’ # ,
Journal of Materials Chemistry A