| 摘要 |
PURPOSE:To increase critical current density and provide an oxide superconductor which has acceleratedy been put to practical use. CONSTITUTION:An added typical element is substd. for part of copper as a constituent of an oxide superconductor and a nonsuperconducting phase or an insulating phase is deposited and formed in a cluster or spot shape, or an added typical element and an added halogen element are substd. for part of copper and part of oxygen as constituents of an oxide superconductor, respectively, and a nonsuperconducting phase or an insulating phase is deposited and formed in a cluster or spot shape. The objective oxide superconductor is obtd. |
