Superconducting thin films on potassium tantalate substrates

Feenstra, Roeland; Boatner, Lynn A

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Title: Superconducting thin films on potassium tantalate substrates

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Abstract

A superconductive system for the lossless transmission of electrical current comprising a thin film of superconducting material Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x epitaxially deposited upon a KTaO.sub.3 substrate. The KTaO.sub.3 is an improved substrate over those of the prior art since the it exhibits small lattice constant mismatch and does not chemically react with the superconducting film.

Inventors:

Feenstra, Roeland ^[1]; Boatner, Lynn A ^[1]

Oak Ridge, TN

Issue Date:: 1992-01-01

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 868278

Patent Number(s):: 5110790

Assignee:: Martin Marietta Energy Systems, Inc. (Oak Ridge, TN)

Patent Classifications (CPCs):: C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

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C - CHEMISTRY C30 - CRYSTAL GROWTH C30B - SINGLE-CRYSTAL-GROWTH
C30B23/02 - Epitaxial-layer growth
C30B29/22 - Complex oxides
C30B29/225 - {based on rare earth copper oxides, e.g. high T-superconductors}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S428/93 - Electric superconducting
Y10S505/701 - Coated or thin film device, i.e. active or passive
Y10S505/702 - Josephson junction present
Y10S505/703 - Microelectronic device with superconducting conduction line
Y10S505/704 - Wire, fiber, or cable

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: superconducting; films; potassium; tantalate; substrates; superconductive; lossless; transmission; electrical; current; comprising; film; material; cu; 7-x; epitaxially; deposited; ktao; substrate; improved; prior; exhibits; lattice; constant; mismatch; chemically; react; chemically react; lattice constant; superconducting film; conducting material; epitaxially deposited; electrical current; superconducting material; conducting film; lossless transmission; current comprising; /505/428/

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                    Feenstra, Roeland, and Boatner, Lynn A. Superconducting thin films on potassium tantalate substrates.  United States: N. p., 1992. 
        Web.

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                    Feenstra, Roeland, & Boatner, Lynn A. Superconducting thin films on potassium tantalate substrates.  United States.

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                    Feenstra, Roeland, and Boatner, Lynn A. Wed .  
        "Superconducting thin films on potassium tantalate substrates".  United States.  https://www.osti.gov/servlets/purl/868278.

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@article{osti_868278,

  title        = {Superconducting thin films on potassium tantalate substrates},

  author       = {Feenstra, Roeland and Boatner, Lynn A},

  abstractNote = {A superconductive system for the lossless transmission of electrical current comprising a thin film of superconducting material Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x epitaxially deposited upon a KTaO.sub.3 substrate. The KTaO.sub.3 is an improved substrate over those of the prior art since the it exhibits small lattice constant mismatch and does not chemically react with the superconducting film.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1992},

  month        = {1}

}

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