Large dielectric response to the paramagnetic-ferromagnetic transition (T_(C) ~ 100 K) in multiferroic BiMnO_(3) epitaxial thin films
| dc.contributor.author | Schmidt, Rainer | |
| dc.contributor.author | Eerenstein, Wilma | |
| dc.contributor.author | Midgley, Paul A. | |
| dc.date.accessioned | 2023-06-20T03:56:55Z | |
| dc.date.available | 2023-06-20T03:56:55Z | |
| dc.date.issued | 2009-06-11 | |
| dc.description | © 2009 The American Physical Society. The authors wish to thank Finlay Morrison, Ian Reaney, and Jan Pokorny for useful discussions. R.S. wishes to acknowledge financial support from the Leverhulme Trust. W.E. is grateful to the EU. | |
| dc.description.abstract | The dielectric properties of multiferroic BiMnO_(3) 50 nm epitaxial thin films grown on Nb-doped SrTiO_(3)(001) substrates were analyzed by impedance spectroscopy between 55 and 155 K. One single intrinsic thin film dielectric relaxation process was deconvoluted from an extrinsic electrode interface contribution by the use of an equivalent circuit. The paramagnetic-ferromagnetic transition (T_(C) ~ 100 K was reflected by a large peak in the thin film relative dielectric permittivity. The weak dielectric response at T_(C) observed previously in BiMnO_(3) polycrystals is largely enhanced in thin films. Intrinsic noninsulating thin film resistivity below T_(C) was detected. | |
| dc.description.department | Depto. de Estructura de la Materia, Física Térmica y Electrónica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | Leverhulme Trust | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/32653 | |
| dc.identifier.doi | 10.1103/PhysRevB.79.214107 | |
| dc.identifier.issn | 1098-0121 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevB.79.214107 | |
| dc.identifier.relatedurl | http://journals.aps.org/ | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/44711 | |
| dc.issue.number | 21 | |
| dc.journal.title | Physical review B | |
| dc.language.iso | eng | |
| dc.publisher | American Physical Society | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 537 | |
| dc.subject.keyword | Polarization | |
| dc.subject.keyword | Perovskite. | |
| dc.subject.ucm | Electricidad | |
| dc.subject.ucm | Electrónica (Física) | |
| dc.subject.unesco | 2202.03 Electricidad | |
| dc.title | Large dielectric response to the paramagnetic-ferromagnetic transition (T_(C) ~ 100 K) in multiferroic BiMnO_(3) epitaxial thin films | |
| dc.type | journal article | |
| dc.volume.number | 79 | |
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| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | 4d468566-fa66-4e1c-8463-382517edca6e | |
| relation.isAuthorOfPublication.latestForDiscovery | 4d468566-fa66-4e1c-8463-382517edca6e |
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