Abstract
Superconducting YBa2Cu408 ceramics were synthesized by the sol-gel method using corresponding metal acetates as starting materials, water as solvent, and tartaric acid under 1 atm oxygen pressure. YBa2Cu408 powder was obtained as a single phase by heating the gel at 780 °C for 30 h in flowing oxygen. Tc was 80 K from magnetic susceptibility measurements. Pelletizing and sintering this powder revealed Tc (onset) of 87 K and Tc (end) of 78 K from resistance measurements. YBa2Cu408 pellets sintered at 780 °C for 30 h in O2 also consist of a single phase with Tc (onset) of 85 K and Tc (end) of 75 K.
| Original language | English |
|---|---|
| Pages (from-to) | 2355-2359 |
| Number of pages | 5 |
| Journal | Journal of Materials Research |
| Volume | 7 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1992 Sep |
| Externally published | Yes |
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering