Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling
Abstract The electric field control of magnetization is of significant interest in materials science due to potential applications in many devices such as sensors, actuators, and magnetic memories. Here, we report magnetization changes generated by an electric field in ferromagnetic Ga1−x Mn x N gro...
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Nature Portfolio
2025-01-01
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| Series: | Communications Materials |
| Online Access: | https://doi.org/10.1038/s43246-024-00711-0 |
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| author | Dariusz Sztenkiel Katarzyna Gas Nevill Gonzalez Szwacki Marek Foltyn Cezary Śliwa Tomasz Wojciechowski Jarosław Z. Domagala Detlef Hommel Maciej Sawicki Tomasz Dietl |
| author_facet | Dariusz Sztenkiel Katarzyna Gas Nevill Gonzalez Szwacki Marek Foltyn Cezary Śliwa Tomasz Wojciechowski Jarosław Z. Domagala Detlef Hommel Maciej Sawicki Tomasz Dietl |
| author_sort | Dariusz Sztenkiel |
| collection | DOAJ |
| description | Abstract The electric field control of magnetization is of significant interest in materials science due to potential applications in many devices such as sensors, actuators, and magnetic memories. Here, we report magnetization changes generated by an electric field in ferromagnetic Ga1−x Mn x N grown by molecular beam epitaxy. Two classes of phenomena have been revealed. First, over a wide range of magnetic fields, the magnetoelectric signal is odd in the electric field and reversible. Employing a macroscopic spin model and atomistic Landau-Lifshitz-Gilbert theory with Langevin dynamics, we demonstrate that the magnetoelectric response results from the inverse piezoelectric effect that changes the trigonal single-ion magnetocrystalline anisotropy. Second, in the metastable regime of ferromagnetic hystereses, the magnetoelectric effect becomes non-linear and irreversible in response to a time-dependent electric field, which can reorient the magnetization direction. Interestingly, our observations are similar to those reported for another dilute ferromagnetic semiconductor Cr x (Bi1−y Sb y )1−x Te3, in which magnetization was monitored as a function of the gate electric field. Those results constitute experimental support for theories describing the effects of time-dependent perturbation upon glasses far from thermal equilibrium in terms of an enhanced effective temperature. |
| format | Article |
| id | doaj-art-d02e4bb11e9e416ea63149730f0bb743 |
| institution | Kabale University |
| issn | 2662-4443 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
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| series | Communications Materials |
| spelling | doaj-art-d02e4bb11e9e416ea63149730f0bb7432025-01-26T12:43:37ZengNature PortfolioCommunications Materials2662-44432025-01-016111310.1038/s43246-024-00711-0Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic couplingDariusz Sztenkiel0Katarzyna Gas1Nevill Gonzalez Szwacki2Marek Foltyn3Cezary Śliwa4Tomasz Wojciechowski5Jarosław Z. Domagala6Detlef Hommel7Maciej Sawicki8Tomasz Dietl9Institute of Physics, Polish Academy of SciencesInstitute of Physics, Polish Academy of SciencesFaculty of Physics, University of WarsawInstitute of Physics, Polish Academy of SciencesInternational Research Centre MagTop, Institute of Physics, Polish Academy of SciencesInternational Research Centre MagTop, Institute of Physics, Polish Academy of SciencesInstitute of Physics, Polish Academy of SciencesPolish Center of Technology DevelopmentInstitute of Physics, Polish Academy of SciencesInternational Research Centre MagTop, Institute of Physics, Polish Academy of SciencesAbstract The electric field control of magnetization is of significant interest in materials science due to potential applications in many devices such as sensors, actuators, and magnetic memories. Here, we report magnetization changes generated by an electric field in ferromagnetic Ga1−x Mn x N grown by molecular beam epitaxy. Two classes of phenomena have been revealed. First, over a wide range of magnetic fields, the magnetoelectric signal is odd in the electric field and reversible. Employing a macroscopic spin model and atomistic Landau-Lifshitz-Gilbert theory with Langevin dynamics, we demonstrate that the magnetoelectric response results from the inverse piezoelectric effect that changes the trigonal single-ion magnetocrystalline anisotropy. Second, in the metastable regime of ferromagnetic hystereses, the magnetoelectric effect becomes non-linear and irreversible in response to a time-dependent electric field, which can reorient the magnetization direction. Interestingly, our observations are similar to those reported for another dilute ferromagnetic semiconductor Cr x (Bi1−y Sb y )1−x Te3, in which magnetization was monitored as a function of the gate electric field. Those results constitute experimental support for theories describing the effects of time-dependent perturbation upon glasses far from thermal equilibrium in terms of an enhanced effective temperature.https://doi.org/10.1038/s43246-024-00711-0 |
| spellingShingle | Dariusz Sztenkiel Katarzyna Gas Nevill Gonzalez Szwacki Marek Foltyn Cezary Śliwa Tomasz Wojciechowski Jarosław Z. Domagala Detlef Hommel Maciej Sawicki Tomasz Dietl Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling Communications Materials |
| title | Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| title_full | Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| title_fullStr | Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| title_full_unstemmed | Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| title_short | Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| title_sort | electric field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling |
| url | https://doi.org/10.1038/s43246-024-00711-0 |
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