Abstract
Magnetic field penetration into (Tl0.6Pb0.5)(Ba0.1Sr0.9)2Ca2Cu3Ox and (Tl0.8Bi0.3)(Ba0.1Sr0.9)2Ca2Cu3Oy bulk pellet samples was investigated by two methods: (i) by the volume magnetization and (ii) by the local scanning Hall method. Pb-doping resulted in stronger inter-grain links and improved the intra-grain critical current densities. Bi-doping instead of Pb-doping increased the critical temperature from 113 K to 116 K. Considering that bulk pinning of the doped Tl-1223 samples is low and that the magnetic field penetration is predominantly determined by geometrical barrier effects, the characteristic magnetic penetration fields obtained by the two methods are in excellent agreement.
| Original language | English |
|---|---|
| Pages (from-to) | 37 - 40 |
| Number of pages | 4 |
| Journal | Measurement Science Review |
| Volume | 1 |
| Issue number | 1 |
| Publication status | Published - 2001 |
Fields of science
- 104005 Electrochemistry
- 104006 Solid state chemistry
- 104014 Surface chemistry
- 104017 Physical chemistry
- 105113 Crystallography
- 105116 Mineralogy
- 503013 Subject didactics of natural sciences
- 204 Chemical Process Engineering
- 204001 Inorganic chemical technology
- 205016 Materials testing
- 210006 Nanotechnology
- 211104 Metallurgy