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Article: Preparation of continually graded barriers of YPrBaCuO for HTS Josephson junctions

TitlePreparation of continually graded barriers of YPrBaCuO for HTS Josephson junctions
Authors
Issue Date2001
PublisherIEEE.
Citation
IEEE Transactions on Applied Superconductivity, 2001, v. 11 n. 1, p. 497-500 How to Cite?
AbstractWe report preparation of a novel barrier structure for high Tc superconducting multilayer Josephson junctions using a simple composite target technique. Such a barrier consists of Yx Pr1-xBa2Cu3Oy with a continually varied concentration of yttrium. In this barrier no lattice mismatch and other incompatibility problems occur between adjacent layers. Thus the formation of interfacial defects and structural strain can be mostly prevented. The Josephson coupling takes place at the electrically formed interfaces rather than the structural interfaces. A particular feature of these junctions is that the effective thickness of the barrier strongly depends on the measuring temperature and the concentration gradient. The absence of the structural interface in the weak link region greatly enhances the reproducibility and the performance of these junctions.
Persistent Identifierhttp://hdl.handle.net/10722/43317
ISSN
2015 Impact Factor: 1.092
2015 SCImago Journal Rankings: 0.381
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGao, Jen_HK
dc.contributor.authorSun, JLen_HK
dc.contributor.authorTang, WHen_HK
dc.date.accessioned2007-03-23T04:43:27Z-
dc.date.available2007-03-23T04:43:27Z-
dc.date.issued2001en_HK
dc.identifier.citationIEEE Transactions on Applied Superconductivity, 2001, v. 11 n. 1, p. 497-500en_HK
dc.identifier.issn1051-8223en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43317-
dc.description.abstractWe report preparation of a novel barrier structure for high Tc superconducting multilayer Josephson junctions using a simple composite target technique. Such a barrier consists of Yx Pr1-xBa2Cu3Oy with a continually varied concentration of yttrium. In this barrier no lattice mismatch and other incompatibility problems occur between adjacent layers. Thus the formation of interfacial defects and structural strain can be mostly prevented. The Josephson coupling takes place at the electrically formed interfaces rather than the structural interfaces. A particular feature of these junctions is that the effective thickness of the barrier strongly depends on the measuring temperature and the concentration gradient. The absence of the structural interface in the weak link region greatly enhances the reproducibility and the performance of these junctions.en_HK
dc.format.extent436443 bytes-
dc.format.extent30720 bytes-
dc.format.extent514928 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.format.mimetypeimage/jpeg-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.titlePreparation of continually graded barriers of YPrBaCuO for HTS Josephson junctionsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1051-8223&volume=11&issue=1&spage=497&epage=500&date=2001&atitle=Preparation+of+continually+graded+barriers+of+YPrBaCuO+for+HTS+Josephson+junctionsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/77.919391en_HK
dc.identifier.scopuseid_2-s2.0-0035268139-
dc.identifier.hkuros57676-
dc.identifier.isiWOS:000168285400110-

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