Investigation of the electronic structure of the charge-ordered phase in epitaxial and polycrystalline La_(1-x)Ca_(x)MnO_(3) (x = 0.55, 0.67) perovskite manganites
| dc.contributor.author | Schmidt, Rainer | |
| dc.date.accessioned | 2023-06-20T10:59:11Z | |
| dc.date.available | 2023-06-20T10:59:11Z | |
| dc.date.issued | 2008-05-05 | |
| dc.description | © 2008 The American Physical Society. This work was supported by the Leverhulme Trust. The author wishes to thank Ulrich Weiss, Ortwin Hess, and Paul Midgley for useful discussions. Thanks to Gavin Burnell, Diana Sanchez, and James Loudon for the help provided. Thanks to Derek Sinclair for his help. | |
| dc.description.abstract | In this work, the charge transport properties of charge ordered (CO) La_(1−x)Ca_(x)MnO_(3) (x=0.55,0.67) epitaxial thin films and polycrystals are discussed following the recent controversy of localized electron states versus weakly or delocalized charge-density wave states in CO manganites. The transport properties were investigated by current versus voltage, direct current resistivity versus temperature, local activation energy versus temperature, magnetoresistance, and alternating current admittance spectroscopy measurements, which all indicated a localized electronic structure in the single CO phase. Delocalized charge anomalies previously observed may be restricted to phase separated materials. | |
| 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.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/33102 | |
| dc.identifier.doi | 10.1103/PhysRevB.77.205101 | |
| dc.identifier.issn | 1098-0121 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevB.77.205101 | |
| dc.identifier.relatedurl | http://journals.aps.org/ | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/51557 | |
| dc.issue.number | 20 | |
| 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 | Density-wave | |
| dc.subject.keyword | Magnetoresistance | |
| dc.subject.keyword | Transition | |
| dc.subject.keyword | Physics | |
| dc.subject.keyword | Oxides. | |
| dc.subject.ucm | Electricidad | |
| dc.subject.ucm | Electrónica (Física) | |
| dc.subject.unesco | 2202.03 Electricidad | |
| dc.title | Investigation of the electronic structure of the charge-ordered phase in epitaxial and polycrystalline La_(1-x)Ca_(x)MnO_(3) (x = 0.55, 0.67) perovskite manganites | |
| dc.type | journal article | |
| dc.volume.number | 77 | |
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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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