Reversible out-of-plane to in-plane magnetic transition by electrical and thermal cycling in Ni$_{90}$Fe$_{10}$/BaTiO$_3$(001)
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909264987029504 |
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| author | Begué, Adrián Khaliq, Muhammad Waqas Cotón, Noelia Cabrera, Alejandro Niño, Miguel Ángel Foerster, Michael Ranchal, Rocío |
| author_facet | Begué, Adrián Khaliq, Muhammad Waqas Cotón, Noelia Cabrera, Alejandro Niño, Miguel Ángel Foerster, Michael Ranchal, Rocío |
| contents | The study investigates the manipulation of the magnetic anisotropy in a thick (1 $μ$m) Ni$_{90}$Fe$_{10}$ layer electrodeposited on a ferroelectric BaTiO$_3$(001) substrate, using a combination of Magneto-optical Kerr Effect, Photoemission Electron Microscopy with X-ray circular magnetic dichroism and X-ray diffraction. In the as-grown state, the system shows weak perpendicular magnetic anisotropy and characteristic stripe domains. Upon out-of-plane electrical poling of the BaTiO$_3$ substrate, the magnetic anisotropy switches to in-plane with a strong uniaxial behavior. This change is ascribed to the magnetoelastic effect due to the switching of the BaTiO$_3$ ferroelectric [001] axis into the sample plane, as evidenced by XRD. The strong mechanical interaction with the thick Ni$_{90}$Fe$_{10}$ overlayer prevents the full inversion of the substrate. The perpendicular magnetic anisotropy can be recovered by a mild thermal annealing above the BaTiO$_3$ tetrahedral to cubic phase transition and can be cycled by repeated electrical poling/thermal annealing. This method opens the path to a reversible control of the magnetic anisotropy in Ni$_{90}$Fe$_{10}$/BaTiO$_3$ heterostructures from perpendicular to in-plane. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_13487 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Reversible out-of-plane to in-plane magnetic transition by electrical and thermal cycling in Ni$_{90}$Fe$_{10}$/BaTiO$_3$(001) Begué, Adrián Khaliq, Muhammad Waqas Cotón, Noelia Cabrera, Alejandro Niño, Miguel Ángel Foerster, Michael Ranchal, Rocío Materials Science The study investigates the manipulation of the magnetic anisotropy in a thick (1 $μ$m) Ni$_{90}$Fe$_{10}$ layer electrodeposited on a ferroelectric BaTiO$_3$(001) substrate, using a combination of Magneto-optical Kerr Effect, Photoemission Electron Microscopy with X-ray circular magnetic dichroism and X-ray diffraction. In the as-grown state, the system shows weak perpendicular magnetic anisotropy and characteristic stripe domains. Upon out-of-plane electrical poling of the BaTiO$_3$ substrate, the magnetic anisotropy switches to in-plane with a strong uniaxial behavior. This change is ascribed to the magnetoelastic effect due to the switching of the BaTiO$_3$ ferroelectric [001] axis into the sample plane, as evidenced by XRD. The strong mechanical interaction with the thick Ni$_{90}$Fe$_{10}$ overlayer prevents the full inversion of the substrate. The perpendicular magnetic anisotropy can be recovered by a mild thermal annealing above the BaTiO$_3$ tetrahedral to cubic phase transition and can be cycled by repeated electrical poling/thermal annealing. This method opens the path to a reversible control of the magnetic anisotropy in Ni$_{90}$Fe$_{10}$/BaTiO$_3$ heterostructures from perpendicular to in-plane. |
| title | Reversible out-of-plane to in-plane magnetic transition by electrical and thermal cycling in Ni$_{90}$Fe$_{10}$/BaTiO$_3$(001) |
| topic | Materials Science |
| url | https://arxiv.org/abs/2401.13487 |