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US 10,832,843 B2Granted
Superconductor compositions
AssigneeUniversity of Houston System
InventorVenkat Selvamanickam
Life of this patent
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Abstract
A superconductor tape may be fabricated via Metal Organic Chemical Vapor Deposition (MOCVD) to achieve peel strengths greater than approximately 4.5 N/cm. The superconductor tape may be fabricated via MOCVD with a REBCO composition that includes the elements Samarium (Sm)-Barium(Ba)-Copper(Cu)-Oxygen(O). Varying levels of Copper (Cu) content can achieve peel strengths ranging between approximately 4.5 N/cm to approximately 8.0 N/cm.
Claims15
A superconductor tape comprising:
- a substrate;
- a buffer layer overlying the substrate;
- and
- a superconductor layer overlying the buffer layer, wherein the superconductor tape exhibits a peel strength greater than 3 N/cm, and wherein the peel strength is determined by the superconductor layer or by an interface between the superconductor layer and a layer adjacent to the superconductor layer.
1 more element
A method of fabricating a superconductor tape, comprising:
- depositing on a substrate a buffer layer;
- growing epitaxially on the buffer layer a superconductor layer comprising elements selected to achieve a peel strength greater than approximately 3 N/cm, wherein the peel strength is determined by the superconductor layer or by an interface between the superconductor layer and a layer adjacent to the superconductor layer;
- depositing a silver overlayer on the superconductor layer;
- and
- electroplating a copper stabilizer substantially around the surfaces of the tape.
2 more elements
Dependencies are inferred from the claim text.