High-Pressure Synthesis of a Bi-Pb-Sr-Ca-Cu-O Superconductor
Abstract
Nearly perfect high-Tc single-phase powder of Bi-Pb-Sr-Ca-Cu-O was prepared by a modified solid-phase reaction method. This powder was then synthesized under 5.4 GPa to form a high-density block. While the pressed sample exhibited semiconducting behaviour, the post annealed sample showed a superconducting transition with Tc,onset{=}113 K, Tc,end{=}105 K and Jc (at 77 K)=508 A/cm2.
- Publication:
-
Japanese Journal of Applied Physics
- Pub Date:
- March 1989
- DOI:
- Bibcode:
- 1989JaJAP..28L.377E
- Keywords:
-
- Annealing;
- Bismuth Oxides;
- High Pressure;
- High Temperature Superconductors;
- Mixed Oxides;
- Sintering;
- Calcium Oxides;
- Copper Oxides;
- Electrical Properties;
- Lead Oxides;
- Strontium Compounds;
- Transition Temperature;
- Solid-State Physics