Superconductivity of Ba2Y(Cu, Ti)3Oy Oxide
- 1 April 1988
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 27 (4A) , L655
- https://doi.org/10.1143/jjap.27.l655
Abstract
Samples of Ba2Y(Cu, Ti)3O y oxide were synthesized and the effect of substituting Cu with Ti was studied. In the Ba2Y(Cu3-x Ti x )O y (0≦x≦0.9), specimens were obtained which indicated a T c of over 80 K. In the composition BaαYCuβTi0.6O y (1.9≦α≦2.3, 2.3≦β≦3.5), some (Cu Ti)-rich samples indicated a T c of over 95 K which was as high as that of the existing Ba2YCu3O y . Diamagnetic signals measured by AC susceptibility at room temperature were detected in some specimens. Zero electric resistance was observed (-4 Ωcm at our experimental resolution) up to 300 K in the composition Ba2YCu2.4Ti0.6O y sintered at 940°C.Keywords
This publication has 4 references indexed in Scilit:
- Superconductivity at 95 K in the New Yb-Ba-Cu Oxide SystemJapanese Journal of Applied Physics, 1987
- High-Tc Superconductivity in New Oxide Systems IIJapanese Journal of Applied Physics, 1987
- Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressurePhysical Review Letters, 1987
- High-pressure study of the new Y-Ba-Cu-O superconducting compound systemPhysical Review Letters, 1987