Magnetization patterns in $\text{GaAs}$-$\text{Fe}_{\text{33}}\text{Co}_{\text{67}}$ core-shell nanorods
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arXiv
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| Format: | Preprint |
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2024
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| author | Korniienko, Anastasiia Wartelle, Alexis Kronseder, Matthias Zeller, Viola Foerster, Michael Niño, Miguel Ángel Ruiz-Gomes, Sandra Khaliq, Muhammad Waqas Weigand, Markus Wintz, Sebastian Back, Christian H. |
| author_facet | Korniienko, Anastasiia Wartelle, Alexis Kronseder, Matthias Zeller, Viola Foerster, Michael Niño, Miguel Ángel Ruiz-Gomes, Sandra Khaliq, Muhammad Waqas Weigand, Markus Wintz, Sebastian Back, Christian H. |
| contents | We present a study on the static magnetic properties of individual $\text{GaAs}$-$\text{Fe}_{\text{33}}\text{Co}_{\text{67}}$ core-shell nanorods. X-ray Magnetic Circular Dichroism combined with Photoemission Electron Microscopy (XMCD-PEEM) and Scanning Transmission X-ray Microscopy (STXM) were used to investigate the magnetic nanostructures. The magnetic layer is purposely designed to establish a magnetic easy axis neither along a high symmetry nor mirror axes to promote 3D magnetic helical order on the curved surface. In practice, two types of magnetic textures with in-plane magnetization were found inside the nanostructures' facets: magnetic domains with almost longitudinal or almost perpendicular magnetization with respect to the axis of the tube. We observe that a magnetic field applied perpendicular to the long axis of the nanostructure can add an azimuthal component of the magnetization to the previously almost longitudinal magnetization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_15036 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Magnetization patterns in $\text{GaAs}$-$\text{Fe}_{\text{33}}\text{Co}_{\text{67}}$ core-shell nanorods Korniienko, Anastasiia Wartelle, Alexis Kronseder, Matthias Zeller, Viola Foerster, Michael Niño, Miguel Ángel Ruiz-Gomes, Sandra Khaliq, Muhammad Waqas Weigand, Markus Wintz, Sebastian Back, Christian H. Mesoscale and Nanoscale Physics We present a study on the static magnetic properties of individual $\text{GaAs}$-$\text{Fe}_{\text{33}}\text{Co}_{\text{67}}$ core-shell nanorods. X-ray Magnetic Circular Dichroism combined with Photoemission Electron Microscopy (XMCD-PEEM) and Scanning Transmission X-ray Microscopy (STXM) were used to investigate the magnetic nanostructures. The magnetic layer is purposely designed to establish a magnetic easy axis neither along a high symmetry nor mirror axes to promote 3D magnetic helical order on the curved surface. In practice, two types of magnetic textures with in-plane magnetization were found inside the nanostructures' facets: magnetic domains with almost longitudinal or almost perpendicular magnetization with respect to the axis of the tube. We observe that a magnetic field applied perpendicular to the long axis of the nanostructure can add an azimuthal component of the magnetization to the previously almost longitudinal magnetization. |
| title | Magnetization patterns in $\text{GaAs}$-$\text{Fe}_{\text{33}}\text{Co}_{\text{67}}$ core-shell nanorods |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2408.15036 |