High temperature superconducting thick films
AssigneeThe Regents of the University of California
InventorsPaul N. Arendt, Xin Di Wu, Steve R. Foltyn
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Abstract
A superconducting article including a flexible polycrystalline metal substrate, a layer of an adhesion layer material upon the surface of the flexible polycrystalline metal substrate, a layer of a cubic oxide material upon the adhesion layer material, the first layer of cubic oxide material deposited by ion beam assisted deposition, a layer of a buffer material upon the ion beam assisted deposited cubic oxide material layer, and, a layer of YBCO upon the buffer material layer is provided and has demonstrated J.sub.c 's of 1.3.times.10.sup.6 A/cm.sup.2, and I.sub.c 's of 120 Amperes across a sample 1 cm wide.
Claims25
A superconducting article comprising:
- a flexible polycrystalline metal substrate;
- a layer of an adhesion layer material upon the substrate;
- a layer of a cubic oxide material upon the adhesion layer material, the layer of cubic oxide material deposited by ion beam assisted deposition using a percentage of light ions in said ion beam assisted deposition whereby said layer of cubic oxide material is characterized as having a full-width-half maxima in an x-ray phi scan of less than a layer of said cubic oxide material deposited by ion beam assisted deposition in the absence of light ions, said light ions selected from the group consisting of helium and neon;
- a layer of buffer material upon the ion beam assisted deposited cubic oxide material layer;
- and,
- a layer of YBCO upon the buffer material layer.
A superconducting article comprising:
- a flexible polycrystalline metal substrate;
- a layer of a cubic oxide material upon the flexible polycrystalline metal substrate, the layer of cubic oxide material deposited by ion beam assisted deposition using a percentage of light ions in said ion beam assisted deposition whereby said layer of cubic oxide material is characterized as having a full-width-half maxima in an x-ray phi scan of less than a layer of said cubic oxide material deposited by ion beam assisted deposition in the absence of light ions, said light ions selected from the group consisting of helium and neon;
- and,
- a layer of YBCO upon the buffer material layer.
A superconducting article comprising:
- a flexible polycrystalline metal substrate;
- a layer of an adhesion layer material upon the flexible polycrystalline metal substrate;
- a layer of a cubic oxide material upon the adhesion layer material, the layer of cubic oxide material deposited by ion beam assisted deposition using a percentage of light ions in said ion beam assisted deposition whereby said layer of cubic oxide material is characterized as having a full-width-half maxima in an x-ray phi scan of less than a layer of said cubic oxide material deposited by ion beam assisted deposition in the absence of light ions, said light ions selected from the group consisting of helium and neon;
- and,
- a layer of YBCO upon the buffer material layer.
A superconducting article comprising:
- a flexible polycrystalline metal substrate;
- a layer of a cubic oxide material upon the flexible polycrystalline metal substrate, the layer of cubic oxide material deposited by ion beam assisted deposition using a percentage of light ions in said ion beam assisted deposition whereby said layer of cubic oxide material is characterized as having a full-width-half maxima in an x-ray phi scan of less than a layer of said cubic oxide material deposited by ion beam assisted deposition in the absence of light ions, said light ions selected from the group consisting of helium and neon;
- a layer of buffer material upon the ion beam assisted deposited cubic oxide material layer;
- and,
- a layer of YBCO upon the buffer material layer.
Dependencies are inferred from the claim text.