Growth and transport properties of multilayer superconducting films of Nd1.83Ce0.17CuOx / YBa2Cu3O7-δ

A. Gupta, R. Gross, E. Olsson, A. Segmueller, G. Koren

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Strained multilayer thin films of YBa2Cu3O7-δ/Nd1.83Ce0.17CuOx have been prepared by laser ablation deposition. For individual layers below a critical layer thickness of about 250angstrom, coherency strain compresses orthorhombic distortion in the YBa2Cu3O7-δ layers is also removed. Depending on their oxygen content, either the YBa2Cu3O7-δ or the Nd1.83Ce0.17CuOx layers are superconducting in these multilayers. The strain-induced structural modification has a significant influence on the superconducting transition temperature and critical current density of the YBa2Cu3O7-δ layers. Zero field critical current densities as high as 1.1×107A/cm2 at 77K have been measured for the YBa2Cu3O7-δ layers.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsCheng-Chung Chi, Bruce R. van Dover
PublisherPubl by Int Soc for Optical Engineering
Pages37-47
Number of pages11
ISBN (Print)0819403385
StatePublished - 1990
Externally publishedYes
EventHigh Tc Superconductivity: Thin Films and Applications - San Diego, CA, USA
Duration: 20 Mar 199021 Mar 1990

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume1287
ISSN (Print)0277-786X

Conference

ConferenceHigh Tc Superconductivity: Thin Films and Applications
CitySan Diego, CA, USA
Period20/03/9021/03/90

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