MANUFACTURE OF THIN FILM OF SUPER- CONDUCTING MATERIAL

    公开(公告)号:JPH0697522A

    公开(公告)日:1994-04-08

    申请号:JP32832691

    申请日:1991-11-18

    Applicant: IBM

    Abstract: PURPOSE: To manufacture with good reproducibility without breaking a thin film of a high Tc superconducting material, having good superconducting characteristic. CONSTITUTION: A thin film 26 of a superconducting material is coated on a substantially crystalline substrate 2, partially coated with an epitaxial growth restricting material layer 4. In a region directly coated on the substrate 2 among the thin films 26 of this superconducting material, the crystal structure is substantially expitaxial, and in a portion coated on the epitaxial growth-restricting material layer 4, the crystal structure is substantially non-epitaxial. In the region of the thin films 26 of this superconducting material, in which the crystal structure is substantially expitaxial, there is a tendency that the region becomes superconducting at a critical temperature temperature or lower, but in the region of the thin films 26 of this superconducting material, in which the crystalline structure is substantially non-expitaxial, there is a tendency that the region does not become superconducting at a temperature of critical transfer temperature or lower.

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