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Intracell changes in epitaxially strained YBa_(2)Cu_(3)O_(7-x) ultrathin layers in YBa_(2)Cu_(3)O_(7-x)/PrBa_(2)Cu_(3)O_(7) superlattices

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dc.contributor.authorVarela Del Arco, María
dc.contributor.authorSefrioui, Zouhair
dc.contributor.authorArias Serna, Diego
dc.contributor.authorNavacerrada, M. A.
dc.contributor.authorLucía Mulas, María Luisa
dc.contributor.authorLópez de la Torre, M. A.
dc.contributor.authorLeón Yebra, Carlos
dc.contributor.authorLoos, G. D.
dc.contributor.authorSánchez Quesada, Francisco
dc.contributor.authorSantamaría Sánchez-Barriga, Jacobo
dc.date.accessioned2023-06-20T20:08:21Z
dc.date.available2023-06-20T20:08:21Z
dc.date.issued1999-11-08
dc.description© 1999 The American Physical Society. J. S. and his group thank I. K. Schuller for instruction in physics and other things in the last ten years. G. Loos thanks the sabbaticals SA 106/95 SAB1995–0685 to Universidad Complutense and Ministerio de Educación y Cultura. Financial support from CICYT Grant No. MAT94-0604 is also acknowledged.
dc.description.abstractThe structure of high quality [YBCO_(N)/PBCO_(M)]_(1000 Å) superlattices, with N ranging between 1 and 12 unit cells and M = 5 unit cells, grown by high oxygen pressure sputtering, is analyzed. Intracell atomic structure of the layers along the c axis and disorder at interfaces is investigated using an x-ray refinement technique. Negligible roughness, step disorder, and interdiffusion are found at the interfaces. Epitaxial mismatch strain results in a surprising reorganization of interatomic distances for the thinnest YBCO layers, which seems to correlated with the decrease in the critical temperature. Intracell structure is invoked as an additional source of T_(c) changes in very thin YBCO layers.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipUniversidad Complutense
dc.description.sponsorshipMinisterio de Educación y Cultura
dc.description.sponsorshipCICYT
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/31224
dc.identifier.doi10.1103/PhysRevLett.83.3936
dc.identifier.issn0031-9007
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevLett.83.3936
dc.identifier.relatedurlhttp://journals.aps.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/59654
dc.issue.number19
dc.journal.titlePhysical review letters
dc.language.isoeng
dc.page.final3939
dc.page.initial3936
dc.publisherAmerican Physical Society
dc.relation.projectIDSA 106/95
dc.relation.projectIDSAB1995–0685
dc.relation.projectIDMAT94-0604
dc.rights.accessRightsopen access
dc.subject.cdu537
dc.subject.keywordX-ray-diffraction
dc.subject.keywordCritical-temperature
dc.subject.keywordT-c
dc.subject.keywordCharge-transfer
dc.subject.keywordOxide superconductors
dc.subject.keywordDependence
dc.subject.keywordPressure
dc.subject.keywordOxygen.
dc.subject.ucmElectricidad
dc.subject.ucmElectrónica (Física)
dc.subject.unesco2202.03 Electricidad
dc.titleIntracell changes in epitaxially strained YBa_(2)Cu_(3)O_(7-x) ultrathin layers in YBa_(2)Cu_(3)O_(7-x)/PrBa_(2)Cu_(3)O_(7) superlattices
dc.typejournal article
dc.volume.number83
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