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DOI 10.1103/PhysRevLett.64.3191
Title Heteroepitaxial growth of strained multilayer superconducting thin films of Nd sub 1. 83 Ce sub 0. 17 CuO sub x /YBa sub 2 Cu sub 3 O sub 7 minus. delta
Creator/Author Gupta, A. ; Gross, R. ; Olsson, E. ; Segmueller, A. ; Koren, G. ; Tsuei, C.C. (IBM Thomas J. Watson Research Center, Yorktown Heights, NY (USA))
Publication Date1990 Jun 25
OSTI IdentifierOSTI ID: 6522094
Other Number(s)Journal ID: ISSN 0031-9007; CODEN: PRLTA
Resource TypeJournal Article
Resource RelationJournal Name: Physical Review Letters; (USA); Journal Volume: 64:26
Subject36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; BARIUM OXIDES; EPITAXY; COPPER OXIDES; YTTRIUM OXIDES; CERIUM OXIDES; ELECTRIC CONDUCTIVITY; EXPERIMENTAL DATA; HETEROJUNCTIONS; HIGH-TC SUPERCONDUCTORS; LASER RADIATION; LAYERS; LOW TEMPERATURE; MEDIUM TEMPERATURE; MODIFICATIONS; NEODYMIUM OXIDES; PULSES; STRAINS; SUPERCONDUCTING FILMS; TRANSMISSION ELECTRON MICROSCOPY; ULTRALOW TEMPERATURE; VERY LOW TEMPERATURE; ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CERIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; DATA; ELECTRICAL PROPERTIES; ELECTROMAGNETIC RADIATION; ELECTRON MICROSCOPY; FILMS; INFORMATION; JUNCTIONS; MICROSCOPY; NEODYMIUM COMPOUNDS; NUMERICAL DATA; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIATIONS; RARE EARTH COMPOUNDS; SEMICONDUCTOR JUNCTIONS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS
Description/AbstractHeteroepitaxial growth of strained multilayer thin films of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}}/Nd{sub 1.83}Ce{sub 0.17}CuO{sub {ital x}} by pulsed-laser deposition is reported. The coherency strain results in biaxial compression of the tetragonal Nd{sub 1.83}Ce{sub 0.17}CuO{sub {ital x}} layers, whereas the biaxial tension in the YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} layers removes the orthorhombic distortion and makes the unit cell isotropic in the basal plane ({ital a}={ital b}). Depending on their oxygen content, either the YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} or the Nd{sub 1.83}Ce{sub 0.17}CuO{sub {ital x}} layers are superconducting in these multilayers. The strain-induced structural modification has a significant influence on the superconducting transition temperature of the YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} layers.
Country of PublicationUnited States
LanguageEnglish
FormatMedium: X; Size: Pages: 3191-3194
System Entry Date2008 Aug 18

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