Thickness Dependent Magnetic Anisotropy of Ultrathin LCMO Epitaxial Thin Films
| dc.contributor.author | Nemes, Norbert Marcel | |
| dc.contributor.author | García Hernández, Mar | |
| dc.contributor.author | Szatmári, Zsolt | |
| dc.contributor.author | Fehér, Titusz | |
| dc.contributor.author | Simon, Ferenc | |
| dc.contributor.author | Visani, Cristina | |
| dc.contributor.author | Peña, Vanessa | |
| dc.contributor.author | Miller, Christian | |
| dc.contributor.author | Garcia Barriocanal, Javier | |
| dc.contributor.author | Bruno, Flavio Yair | |
| dc.contributor.author | Sefrioui, Zouhair | |
| dc.contributor.author | León Yebra, Carlos | |
| dc.contributor.author | Santamaría Sánchez-Barriga, Jacobo | |
| dc.date.accessioned | 2023-06-20T03:58:59Z | |
| dc.date.available | 2023-06-20T03:58:59Z | |
| dc.date.issued | 2009-11 | |
| dc.description | ©2009 IEEE-Institute of Electrical and Electronics Engineers. N. N. M. acknowledges the “Ramon y Cajal” fellowship of the Spanish Ministry of Science and Education. This work was supported in part by SPIN-MAT06024 C01 and C02 and by Marie-Curie-IRG grant No. 024861, and by OTKA PF63954, K68807 and NK60984. | |
| dc.description.abstract | The magnetic properties of La_0.7Ca_0.3Mn_O3 (LCMO) manganite thin films were studied with magnetometry and ferromagnetic resonance as a function of film thickness. They maintain the colossal magnetoresistance behavior with a pronounced metal-insulator transition around 150-200 K, except for the very thinnest films studied (3 nm). Nevertheless, LCMO films as thin as 3 nm remain ferromagnetic, without a decrease in saturation magnetization, indicating an absence of dead-layers, although below approximately 6 nm the films remain insulating at low temperature. Magnetization hysteresis loops reveal that the magnetic easy axes lie in the plane of the film for thicknesses in the range of 4-15 nm. Ferromagnetic resonance studies confirm that the easy axes are in-plane, and find a biaxial symmetry in-plane with two, perpendicular easy axes. The directions of the easy axes with respect to the crystallographic directions of the cubic SrTiO_3 substrate differ by 45 deg in 4- and 15-nm-thick LCMO films. | |
| dc.description.department | Depto. de Física de Materiales | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | Unión Europea. FP7 | |
| dc.description.sponsorship | Ministerio de Educación y Ciencia (MEC), España | |
| dc.description.sponsorship | Programa Ramón y Cajal | |
| dc.description.sponsorship | Acciones Marie Skłodowska-Curie (UE) | |
| dc.description.sponsorship | Hungarian Scientific Research Fund (OTKA), Hungría | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/33516 | |
| dc.identifier.doi | 10.1109/TMAG.2008.2001523 | |
| dc.identifier.issn | 0018-9464 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1109/TMAG.2008.2001523 | |
| dc.identifier.relatedurl | http://arxiv.org/abs/0805.2336 | |
| dc.identifier.relatedurl | http://ieeexplore.ieee.org/ | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/44762 | |
| dc.issue.number | 11 | |
| dc.journal.title | IEEE transactions on magnetics | |
| dc.language.iso | eng | |
| dc.page.final | 2929 | |
| dc.page.initial | 2926 | |
| dc.publisher | IEEE-Institute of Electrical and Electronics Engineers | |
| dc.relation.projectID | Marie-Curie-IRG (024861) | |
| dc.relation.projectID | SPIN-MAT06024 C01 | |
| dc.relation.projectID | SPIN-MAT06024 C02 | |
| dc.relation.projectID | PF63954 | |
| dc.relation.projectID | K68807 | |
| dc.relation.projectID | NK60984 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 537 | |
| dc.subject.keyword | Epitaxial layers | |
| dc.subject.keyword | Magnetic anisotropy | |
| dc.subject.keyword | Magnetic resonance | |
| dc.subject.keyword | Manganites | |
| dc.subject.keyword | Thin films | |
| dc.subject.ucm | Electricidad | |
| dc.subject.ucm | Electrónica (Física) | |
| dc.subject.unesco | 2202.03 Electricidad | |
| dc.title | Thickness Dependent Magnetic Anisotropy of Ultrathin LCMO Epitaxial Thin Films | |
| dc.type | journal article | |
| dc.volume.number | 44 | |
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