Superconducting properties of the multiphase compounds of (Bi1.9-xPbxSb0.1) Sr2Ca2Cu3Oy have been investigated. Zero resistance at 132K has been observed with x=0.3 and 0.4. Two samples with 132K zero resistance were stable in low temperature circling (77K to 200K). Zero resistance were down to 112K(x=0.3) and 106K(x=0.4), but the a.c susceptibilities of the two samples still have large drop at 132K after several circles from 77K to room temperature.
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
- Materials Chemistry