Material
Tc, K
g, Equation (32), this work prediction
g,
BCS prediction
Hf
0.13
0.044
3.9
3~6
3.53
Cd
0.52
0.14
3.2
3~6
3.53
Zn
0.85
0.23
3.2
3~6
3.53
Al
1.2
0.35
3.4
3~6
3.53
In
3.4
1.05
3.6
3~6
3.53
Hg
4.2
1.7
4.6
3~6
3.53
Pb
7.2
2.7
4.3
3~6
3.53
Nb
9.3
3.0
3.8
3~6
3.53
V3Ge
11.2
3.1
3.2
3~6
3.53
V3Si
17.1
5.4
3.7
3~6
3.53
Nb3Sn
18.1
4.7
3.0
3~6
3.53
K3C60
19
5.9
3.6
3~6
3.53
Rb3C60
29
7.5
3.0
3~6
3.53
Ba0.6K0.4BiO3
18.5
5.9
3.7
3~6
3.53
(Nd0.925Ce0.075)2CuO4
21
7.4
4.4
3~6
3.53
(La0.925Sr0.075)2CuO4
36
13
4.3
3~6
3.53
YBa2Cu3O7-d
87
30
4.0
3~6
3.53
Bi2Sr2Ca2Cu3O10
108
53
5.7
3~6
3.53
Tl2Ba2Ca2Cu2O8
112
44
4.5
3~6
3.53
Tl2Ba2Ca2Cu3O10
105
28
3.1
3~6
3.53
Hg2Ba2Ca2Cu3O8
131
48
4.3
3~6
3.53