| Volume fraction of phases (%) |
|
|
Sample (Nb content) | Nominal Composition | Bi-2223 (%) | Bi-2212 (%) |
A (x = 0.00) | Bi1.65Pb0.35Sr2Ca2Cu3O10+δ | 63.7 | 36.3 |
B (x = 0.05) | Bi1.65Pb0.3Nb0.05Sr2Ca2Cu3O10+δ | 64.8 | 35.2 |
C (x = 0.15) | Bi1.65Pb0.2Nb0.15Sr2Ca2Cu3O10+δ | 56.4 | 43.6 |
D (x = 0.25) | Bi1.65Pb0.1Nb0.25Sr2Ca2Cu3O10+δ | 46.2 | 53.8 |
E (x = 0.35) | Bi1.65Nb0.35Sr2Ca2Cu3O10+δ | 48.7 | 51.3 |