Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor
Abstract Electric control of magnetization dynamics in two-dimensional (2D) magnetic materials is an essential step for the development of novel spintronic nanodevices. Electrostatic gating has been shown to greatly affect the static magnetic properties of some van der Waals magnets, but the control...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2024-02-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-45623-2 |
| _version_ | 1797273929995255808 |
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| author | Freddie Hendriks Rafael R. Rojas-Lopez Bert Koopmans Marcos H. D. Guimarães |
| author_facet | Freddie Hendriks Rafael R. Rojas-Lopez Bert Koopmans Marcos H. D. Guimarães |
| author_sort | Freddie Hendriks |
| collection | DOAJ |
| description | Abstract Electric control of magnetization dynamics in two-dimensional (2D) magnetic materials is an essential step for the development of novel spintronic nanodevices. Electrostatic gating has been shown to greatly affect the static magnetic properties of some van der Waals magnets, but the control over their magnetization dynamics is still largely unexplored. Here we show that the optically-induced magnetization dynamics in the van der Waals ferromagnet Cr2Ge2Te6 can be effectively controlled by electrostatic gates, with a one order of magnitude change in the precession amplitude and over 10% change in the internal effective field. In contrast to the purely thermally-induced mechanisms previously reported for 2D magnets, we find that coherent opto-magnetic phenomena play a major role in the excitation of magnetization dynamics in Cr2Ge2Te6. Our work sets the first steps towards electric control over the magnetization dynamics in 2D ferromagnetic semiconductors, demonstrating their potential for applications in ultrafast opto-magnonic devices. |
| first_indexed | 2024-03-07T14:51:10Z |
| format | Article |
| id | doaj.art-0e56cfa541de4ee098d5050193a02a1a |
| institution | Directory Open Access Journal |
| issn | 2041-1723 |
| language | English |
| last_indexed | 2024-03-07T14:51:10Z |
| publishDate | 2024-02-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj.art-0e56cfa541de4ee098d5050193a02a1a2024-03-05T19:40:21ZengNature PortfolioNature Communications2041-17232024-02-011511910.1038/s41467-024-45623-2Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductorFreddie Hendriks0Rafael R. Rojas-Lopez1Bert Koopmans2Marcos H. D. Guimarães3Zernike Institute for Advanced Materials, University of GroningenZernike Institute for Advanced Materials, University of GroningenDepartment of Applied Physics, Eindhoven University of TechnologyZernike Institute for Advanced Materials, University of GroningenAbstract Electric control of magnetization dynamics in two-dimensional (2D) magnetic materials is an essential step for the development of novel spintronic nanodevices. Electrostatic gating has been shown to greatly affect the static magnetic properties of some van der Waals magnets, but the control over their magnetization dynamics is still largely unexplored. Here we show that the optically-induced magnetization dynamics in the van der Waals ferromagnet Cr2Ge2Te6 can be effectively controlled by electrostatic gates, with a one order of magnitude change in the precession amplitude and over 10% change in the internal effective field. In contrast to the purely thermally-induced mechanisms previously reported for 2D magnets, we find that coherent opto-magnetic phenomena play a major role in the excitation of magnetization dynamics in Cr2Ge2Te6. Our work sets the first steps towards electric control over the magnetization dynamics in 2D ferromagnetic semiconductors, demonstrating their potential for applications in ultrafast opto-magnonic devices.https://doi.org/10.1038/s41467-024-45623-2 |
| spellingShingle | Freddie Hendriks Rafael R. Rojas-Lopez Bert Koopmans Marcos H. D. Guimarães Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor Nature Communications |
| title | Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor |
| title_full | Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor |
| title_fullStr | Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor |
| title_full_unstemmed | Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor |
| title_short | Electric control of optically-induced magnetization dynamics in a van der Waals ferromagnetic semiconductor |
| title_sort | electric control of optically induced magnetization dynamics in a van der waals ferromagnetic semiconductor |
| url | https://doi.org/10.1038/s41467-024-45623-2 |
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