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Direct evidence for block-by-block growth in high-temperature superconductor ultrathin films

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dc.contributor.authorVarela Del Arco, María
dc.contributor.authorGrogger, W.
dc.contributor.authorArias Serna, Diego
dc.contributor.authorSefrioui, Zouhair
dc.contributor.authorLeón Yebra, Carlos
dc.contributor.authorBallesteros, C.
dc.contributor.authorFrishnan, K.M.
dc.contributor.authorSantamaría Sánchez-Barriga, Jacobo
dc.date.accessioned2023-06-20T20:07:58Z
dc.date.available2023-06-20T20:07:58Z
dc.date.issued2001-05-28
dc.description© 2001 The American Physical Society. M. V. was partially supported by a research grant of the Fundación Universidad Carlos III de Madrid. Financial support from CICYT Grant No. MAT99-1706E is also acknowledged. M. V. is thankful for the hospitality received during her stay at the LBNL/NCEM. W. G. acknowledges support from the Max Kade Foundation for his stay at Berkeley. Work at LBNL/NCEM was supported by the Director, Office of Energy Research, Office of Basic Energy Sciences, Materials Sciences Division of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098.
dc.description.abstractCharge neutrality and stoichiometry impose severe restrictions on the mechanisms of epitaxial growth of complex oxides. The fundamental question arises of what is the minimum growth unit when sample thickness is reduced beyond the size of the unit cell. We have investigated the growth mechanism of YBa_(2)Cu_(3)O_(7) cuprate superconductor, using a consistent approach based on the growth of noninteger numbers of YBa_(2)Cu_(3)O_(7) layers in YBa_(2)Cu_(3)O_(7)/PrBa_(2)Cu_(3)O_(7) superlattices. Ex situ chemical and structural analysis evidence a 2D block-by-block mechanism in which the minimum growth units are complete unit cell blocks, growing coherently over large lateral distances.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipFundación Universidad Carlos III de Madrid
dc.description.sponsorshipCICYT
dc.description.sponsorshipMax Kade Foundation
dc.description.sponsorshipDirector, Office of Energy Research, Office of Basic Energy Sciences, Materials Sciences Division of the U.S. Department of Energy
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/31132
dc.identifier.doi10.1103/PhysRevLett.86.5156
dc.identifier.issn0031-9007
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevLett.86.5156
dc.identifier.relatedurlhttp://journals.aps.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/59638
dc.issue.number22
dc.journal.titlePhysical review letters
dc.language.isoeng
dc.page.final5159
dc.page.initial5156
dc.publisherAmerican Physical Society
dc.relation.projectIDMAT99-1706E
dc.relation.projectIDDE-AC03-76SF00098
dc.rights.accessRightsopen access
dc.subject.cdu537
dc.subject.keywordThin-films
dc.subject.keywordSuperlattices
dc.subject.keywordResolution
dc.subject.keywordDiffraction
dc.subject.keywordTransition
dc.subject.keywordMicroscopy
dc.subject.keywordOxides
dc.subject.keywordImages.
dc.subject.ucmElectricidad
dc.subject.ucmElectrónica (Física)
dc.subject.unesco2202.03 Electricidad
dc.titleDirect evidence for block-by-block growth in high-temperature superconductor ultrathin films
dc.typejournal article
dc.volume.number86
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