High Tc Superconductor YBa2Cu3Oy–Oxygen Content vs Tc Relation–
- 1 July 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (7A), L1156
- https://doi.org/10.1143/jjap.26.l1156
Abstract
High T c superconductor YBa2Cu3O y , having various oxygen contents have been examined by a.c. susceptibility, d.c. conductivity and Raman spectrum measurements. The T c is greatly affected by the oxygen content, being lowered by decreasing oxygen content. Particularly, the T c drops markedly when the compound takes a tetragonal form. To confirm the y vs temperature relation, the compound was reexamined by thermogravimetry. The new results cast doubt on our previous y value (6.5>y>5.8).Keywords
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