(ZnFe₂O₄)_xGdBa₂Cu₃O_7−δ

(CoFe₂O₄)_xGdBa₂Cu₃O_7−δ

x (wt%)

Gd

Ba

Cu

Fe

Zn

O

Gd

Ba

Cu

Co

Fe

O

0.0

1.02

2.12

2.79

0.0000

0.000

6.614

1.02

2.12

2.79

0.0000

0.000

6.614

0.01

1.01

2.13

2.75

0.0054

0.003

6.585

1.02

2.10

2.89

---------

0.0057

6.610

0.02

1.04

2.11

2.75

0.0058

0.004

6.582

1.01

2.14

2.79

---------

0.0066

6.585

0.04

1.03

2.09

2.79

0.0081

0.0046

6.610

1.04

2.12

2.79

---------

0.0057

6.601

0.06

1.04

2.07

2.80

0.0112

0.0054

6.619

1.03

2.13

2.789

---------

0.00624

6.597

0.1

1.01

2.13

2.75

0.0125

0.0059

6.590

1.04

2.12

2.76

---------

0.01233

6.606

0.2

0.98

2.12

2.85

0.0146

0.00802

6.661

1.01

2.13

2.78

---------

0.01242

6.610

0.4

1.01

2.12

2.75

0.0228

0.0121

6.588

0.97

2.16

2.84

---------

0.01916

6.632