An approach for electrical self-stabilization of high-temperature superconducting wires for power applications

T. Aytug, M. Paranthaman, H. Y. Zhai, A. A. Gapud, K. J. Leonard, P. M. Martin, A. Goyal, J. R. Thompson, D. K. Christen

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Abstract

The study of an approach for electrical self-stabilization of high-temperature superconducting wires for power applications was presented. A conductive buffer layer structure composed of bilayer La 0.7Sr 0.3MnO 3/Ir was developed on a textured Ni-W alloy metal tape to functionally shunt the high temperature superconductors (HTS) layer to the underlaying substrate. The electrical and microstructural property characterizations of YBa 2Cu 3O 7-δ films on short prototype conductors were also demonstrated. The current versus voltage (I-V) characteristics of YBCO/LSMO/Ir/Ni-W were measured to evaluate the stability provided by the conductive buffer interface.

Original languageEnglish
Pages (from-to)2887-2889
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number14
DOIs
StatePublished - Oct 4 2004

Funding

This work was supported by the U.S. Department of Energy, Office of Electric Transmission and Distribution. The research was performed at the Oak Ridge National Laboratory, managed by U.T.-Battelle, LLC for the USDOE under Contract No. DE-AC05-00OR22725.

FundersFunder number
Office of Electric Transmission and Distribution
U.S. Department of EnergyDE-AC05-00OR22725

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