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dc.contributor.authorVentura Altozano, Jofrees_ES
dc.contributor.authorPolo, Mª. del Carmenes_ES
dc.contributor.authorFerrater Martorell, Césares_ES
dc.contributor.authorHernández, S.es_ES
dc.contributor.authorSancho Parramon, Jordies_ES
dc.contributor.authorCoy, L.E.es_ES
dc.contributor.authorRodríguez, L.es_ES
dc.contributor.authorCanillas, A.es_ES
dc.contributor.authorFàbrega, Lourdeses_ES
dc.contributor.authorVarela Fernández, Manueles_ES
dc.date.accessioned2017-04-10T11:34:32Z-
dc.date.available2017-04-10T11:34:32Z-
dc.date.issued2016-09-15-
dc.identifier.citationApplied Surface Science 381: 12–16 (2016)es_ES
dc.identifier.issn0169-4332-
dc.identifier.urihttp://hdl.handle.net/10261/148222-
dc.description.abstractThe isovalent susbstitution of Ti4+ by Zr4+ in BaZrxTi1−xO3 modifies the dielectric character of ferroelectric BaTiO3 yielding different behaviours such as relaxor, polar cluster, etc. The dynamic coupling between BaTiO3 polar nanoregions and BaZrO3 nonpolar ones as well as microstrain between them are thought to be behind such a rich phase diagram. However, these short-range compositonal variations are elusive to detect and this topic is thus rarely addressed. We have grown epitaxial thin films of BaZrxTi1−xO3 on (0 0 1)-oriented SrTiO3 substrates by pulsed laser deposition sweeping the entire composition range between BaTiO3 and BaZrO3 in increments of 0.1 in x. Several characterization techniques (AFM, TEM, XRD, Raman spectroscopy) were used for this research in order to understand the morphological and structural properties of the deposited films. Ellipsometric measurements allowed the calculation of the band gap energy of the films. This work demonstrates the existence of a heterogeneous distribution in the substitution of titanium by zirconium yielding relaxor and polar cluster nanoregions.es_ES
dc.description.sponsorshipThe authors acknowledge financial support from the Spanish Ministerio de Ciencia e Innovación (MICINN) under Grant Nos. MAT2011-29269-C03, MAT2011-27470-C02, IMAGINE CSD2009-00013, CONSOLIDER INGENIO CSD2009-00013 and MAT2014-56063-C2-2-R.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMINECO/ICTI2013-2016/MAT2014-56063-C2-2-Res_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectFerroelectrices_ES
dc.subjectFilmses_ES
dc.subjectPulsed laser depositiones_ES
dc.subjectBand gapes_ES
dc.titleHeterogeneous distribution of B-site cations in BaZrxTi1−xO3 epitaxial thin films grown on (0 0 1) SrTiO3 by pulsed laser depositiones_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.apsusc.2015.12.224-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.apsusc.2015.12.224es_ES
dc.embargo.terms2018-09-15es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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