Strongly enhanced flux pinning in the YBa
2
Cu
3
O
7 −
x
films with the co-doping of BaTiO
3
nanorod and Y
2
O
3
nanoparticles at 65 K
*
Wang Hong-Yan
a),
b)
, Ding Fa-Zhu†
a)
, Gu Hong-Wei†
a)
, Zhang Teng
a)
The EDS mapping of the BTO/Y
2
O
3
-doped YBCO films with 30 mol% yttrium excess.