Rinaldi, C. (2013) Growth and characterization of epitaxial ultrathin-Fe on BaTiO3 films. Il nuovo cimento C, 36 (4). pp. 71-79. ISSN 1826-9885
|
Text
ncc10515.pdf - Published Version Download (442kB) | Preview |
Abstract
Interfacial multiferroics have recently emerged as a promising way to circumvent the lingering scarcity of room-temperature multiferroics. First-principles calculations have predicted such interfacial multiferroics to exhibit magnetoelectric coupling and interface-induced multiferroicity, both at room temperature, if robust ferroics such as Fe and BaTiO3 are combined together. In order to understand the physics of magnetoelectric coupling effects at the Fe/BaTiO3 interface, a precise knowledge of the atomic-scale structural, magnetic and chemical properties is fundamental. In this paper, the growth of fully epitaxial ultrathin Fe layers on BaTiO3 films is presented. By means of I-V measurements we demonstrate the ferroelectricity of 150nm thick BaTiO3 films grown by pulsed-laser deposition on La2/3Sr1/3MnO3//SrTiO3(001). Furthermore, X-ray absorption spectroscopy and X-ray magnetic circular dichroism measurements have been acquired on epitaxial Co/Fe(2-3MLs)/BaTiO3 structures at the Fe L2,3 edges, giving a direct evidence for the presence of a non-magnetic iron oxide monolayer between BaTiO3 and the remaining layers of the ultrathin Fe, which are magnetic.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | BaTiO3-based films ; Multiferroic/magnetoelectric films ; Fe and its alloys ; Magnetic properties of monolayers and thin films |
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 06 May 2020 15:18 |
| Last Modified: | 06 May 2020 15:18 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/18286 |
Actions (login required)
 |
View Item |
